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qemu / qemu / 8cc28cb16e696580ffa29cd5fee0d371303c805b / . / target / arm / tcg / translate-sve.c
blob: 92ab2901062c1a5d50ca2ec22739f2921ecf1dfa [file] [log] [blame]
/*
* AArch64 SVE translation
*
* Copyright (c) 2018 Linaro, Ltd
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#include "qemu/osdep.h"
#include "cpu.h"
#include "exec/exec-all.h"
#include "tcg/tcg-op.h"
#include "tcg/tcg-op-gvec.h"
#include "tcg/tcg-gvec-desc.h"
#include "qemu/log.h"
#include "arm_ldst.h"
#include "translate.h"
#include "internals.h"
#include "exec/helper-proto.h"
#include "exec/helper-gen.h"
#include "exec/log.h"
#include "translate-a64.h"
#include "fpu/softfloat.h"
typedef void GVecGen2sFn(unsigned, uint32_t, uint32_t,
TCGv_i64, uint32_t, uint32_t);
typedef void gen_helper_gvec_flags_3(TCGv_i32, TCGv_ptr, TCGv_ptr,
TCGv_ptr, TCGv_i32);
typedef void gen_helper_gvec_flags_4(TCGv_i32, TCGv_ptr, TCGv_ptr,
TCGv_ptr, TCGv_ptr, TCGv_i32);
typedef void gen_helper_gvec_mem(TCGv_env, TCGv_ptr, TCGv_i64, TCGv_i32);
typedef void gen_helper_gvec_mem_scatter(TCGv_env, TCGv_ptr, TCGv_ptr,
TCGv_ptr, TCGv_i64, TCGv_i32);
/*
* Helpers for extracting complex instruction fields.
*/
/* See e.g. ASR (immediate, predicated).
* Returns -1 for unallocated encoding; diagnose later.
*/
static int tszimm_esz(DisasContext *s, int x)
{
x >>= 3; /* discard imm3 */
return 31 - clz32(x);
}
static int tszimm_shr(DisasContext *s, int x)
{
return (16 << tszimm_esz(s, x)) - x;
}
/* See e.g. LSL (immediate, predicated). */
static int tszimm_shl(DisasContext *s, int x)
{
return x - (8 << tszimm_esz(s, x));
}
/* The SH bit is in bit 8. Extract the low 8 and shift. */
static inline int expand_imm_sh8s(DisasContext *s, int x)
{
return (int8_t)x << (x & 0x100 ? 8 : 0);
}
static inline int expand_imm_sh8u(DisasContext *s, int x)
{
return (uint8_t)x << (x & 0x100 ? 8 : 0);
}
/* Convert a 2-bit memory size (msz) to a 4-bit data type (dtype)
* with unsigned data. C.f. SVE Memory Contiguous Load Group.
*/
static inline int msz_dtype(DisasContext *s, int msz)
{
static const uint8_t dtype[4] = { 0, 5, 10, 15 };
return dtype[msz];
}
/*
* Include the generated decoder.
*/
#include "decode-sve.c.inc"
/*
* Implement all of the translator functions referenced by the decoder.
*/
/* Invoke an out-of-line helper on 2 Zregs. */
static bool gen_gvec_ool_zz(DisasContext *s, gen_helper_gvec_2 *fn,
int rd, int rn, int data)
{
if (fn == NULL) {
return false;
}
if (sve_access_check(s)) {
unsigned vsz = vec_full_reg_size(s);
tcg_gen_gvec_2_ool(vec_full_reg_offset(s, rd),
vec_full_reg_offset(s, rn),
vsz, vsz, data, fn);
}
return true;
}
static bool gen_gvec_fpst_zz(DisasContext *s, gen_helper_gvec_2_ptr *fn,
int rd, int rn, int data,
ARMFPStatusFlavour flavour)
{
if (fn == NULL) {
return false;
}
if (sve_access_check(s)) {
unsigned vsz = vec_full_reg_size(s);
TCGv_ptr status = fpstatus_ptr(flavour);
tcg_gen_gvec_2_ptr(vec_full_reg_offset(s, rd),
vec_full_reg_offset(s, rn),
status, vsz, vsz, data, fn);
}
return true;
}
static bool gen_gvec_fpst_arg_zz(DisasContext *s, gen_helper_gvec_2_ptr *fn,
arg_rr_esz *a, int data)
{
return gen_gvec_fpst_zz(s, fn, a->rd, a->rn, data,
a->esz == MO_16 ? FPST_FPCR_F16 : FPST_FPCR);
}
/* Invoke an out-of-line helper on 3 Zregs. */
static bool gen_gvec_ool_zzz(DisasContext *s, gen_helper_gvec_3 *fn,
int rd, int rn, int rm, int data)
{
if (fn == NULL) {
return false;
}
if (sve_access_check(s)) {
unsigned vsz = vec_full_reg_size(s);
tcg_gen_gvec_3_ool(vec_full_reg_offset(s, rd),
vec_full_reg_offset(s, rn),
vec_full_reg_offset(s, rm),
vsz, vsz, data, fn);
}
return true;
}
static bool gen_gvec_ool_arg_zzz(DisasContext *s, gen_helper_gvec_3 *fn,
arg_rrr_esz *a, int data)
{
return gen_gvec_ool_zzz(s, fn, a->rd, a->rn, a->rm, data);
}
/* Invoke an out-of-line helper on 3 Zregs, plus float_status. */
static bool gen_gvec_fpst_zzz(DisasContext *s, gen_helper_gvec_3_ptr *fn,
int rd, int rn, int rm,
int data, ARMFPStatusFlavour flavour)
{
if (fn == NULL) {
return false;
}
if (sve_access_check(s)) {
unsigned vsz = vec_full_reg_size(s);
TCGv_ptr status = fpstatus_ptr(flavour);
tcg_gen_gvec_3_ptr(vec_full_reg_offset(s, rd),
vec_full_reg_offset(s, rn),
vec_full_reg_offset(s, rm),
status, vsz, vsz, data, fn);
}
return true;
}
static bool gen_gvec_fpst_arg_zzz(DisasContext *s, gen_helper_gvec_3_ptr *fn,
arg_rrr_esz *a, int data)
{
return gen_gvec_fpst_zzz(s, fn, a->rd, a->rn, a->rm, data,
a->esz == MO_16 ? FPST_FPCR_F16 : FPST_FPCR);
}
/* Invoke an out-of-line helper on 4 Zregs. */
static bool gen_gvec_ool_zzzz(DisasContext *s, gen_helper_gvec_4 *fn,
int rd, int rn, int rm, int ra, int data)
{
if (fn == NULL) {
return false;
}
if (sve_access_check(s)) {
unsigned vsz = vec_full_reg_size(s);
tcg_gen_gvec_4_ool(vec_full_reg_offset(s, rd),
vec_full_reg_offset(s, rn),
vec_full_reg_offset(s, rm),
vec_full_reg_offset(s, ra),
vsz, vsz, data, fn);
}
return true;
}
static bool gen_gvec_ool_arg_zzzz(DisasContext *s, gen_helper_gvec_4 *fn,
arg_rrrr_esz *a, int data)
{
return gen_gvec_ool_zzzz(s, fn, a->rd, a->rn, a->rm, a->ra, data);
}
static bool gen_gvec_ool_arg_zzxz(DisasContext *s, gen_helper_gvec_4 *fn,
arg_rrxr_esz *a)
{
return gen_gvec_ool_zzzz(s, fn, a->rd, a->rn, a->rm, a->ra, a->index);
}
/* Invoke an out-of-line helper on 4 Zregs, plus a pointer. */
static bool gen_gvec_ptr_zzzz(DisasContext *s, gen_helper_gvec_4_ptr *fn,
int rd, int rn, int rm, int ra,
int data, TCGv_ptr ptr)
{
if (fn == NULL) {
return false;
}
if (sve_access_check(s)) {
unsigned vsz = vec_full_reg_size(s);
tcg_gen_gvec_4_ptr(vec_full_reg_offset(s, rd),
vec_full_reg_offset(s, rn),
vec_full_reg_offset(s, rm),
vec_full_reg_offset(s, ra),
ptr, vsz, vsz, data, fn);
}
return true;
}
static bool gen_gvec_fpst_zzzz(DisasContext *s, gen_helper_gvec_4_ptr *fn,
int rd, int rn, int rm, int ra,
int data, ARMFPStatusFlavour flavour)
{
TCGv_ptr status = fpstatus_ptr(flavour);
bool ret = gen_gvec_ptr_zzzz(s, fn, rd, rn, rm, ra, data, status);
return ret;
}
/* Invoke an out-of-line helper on 4 Zregs, 1 Preg, plus fpst. */
static bool gen_gvec_fpst_zzzzp(DisasContext *s, gen_helper_gvec_5_ptr *fn,
int rd, int rn, int rm, int ra, int pg,
int data, ARMFPStatusFlavour flavour)
{
if (fn == NULL) {
return false;
}
if (sve_access_check(s)) {
unsigned vsz = vec_full_reg_size(s);
TCGv_ptr status = fpstatus_ptr(flavour);
tcg_gen_gvec_5_ptr(vec_full_reg_offset(s, rd),
vec_full_reg_offset(s, rn),
vec_full_reg_offset(s, rm),
vec_full_reg_offset(s, ra),
pred_full_reg_offset(s, pg),
status, vsz, vsz, data, fn);
}
return true;
}
/* Invoke an out-of-line helper on 2 Zregs and a predicate. */
static bool gen_gvec_ool_zzp(DisasContext *s, gen_helper_gvec_3 *fn,
int rd, int rn, int pg, int data)
{
if (fn == NULL) {
return false;
}
if (sve_access_check(s)) {
unsigned vsz = vec_full_reg_size(s);
tcg_gen_gvec_3_ool(vec_full_reg_offset(s, rd),
vec_full_reg_offset(s, rn),
pred_full_reg_offset(s, pg),
vsz, vsz, data, fn);
}
return true;
}
static bool gen_gvec_ool_arg_zpz(DisasContext *s, gen_helper_gvec_3 *fn,
arg_rpr_esz *a, int data)
{
return gen_gvec_ool_zzp(s, fn, a->rd, a->rn, a->pg, data);
}
static bool gen_gvec_ool_arg_zpzi(DisasContext *s, gen_helper_gvec_3 *fn,
arg_rpri_esz *a)
{
return gen_gvec_ool_zzp(s, fn, a->rd, a->rn, a->pg, a->imm);
}
static bool gen_gvec_fpst_zzp(DisasContext *s, gen_helper_gvec_3_ptr *fn,
int rd, int rn, int pg, int data,
ARMFPStatusFlavour flavour)
{
if (fn == NULL) {
return false;
}
if (sve_access_check(s)) {
unsigned vsz = vec_full_reg_size(s);
TCGv_ptr status = fpstatus_ptr(flavour);
tcg_gen_gvec_3_ptr(vec_full_reg_offset(s, rd),
vec_full_reg_offset(s, rn),
pred_full_reg_offset(s, pg),
status, vsz, vsz, data, fn);
}
return true;
}
static bool gen_gvec_fpst_arg_zpz(DisasContext *s, gen_helper_gvec_3_ptr *fn,
arg_rpr_esz *a, int data,
ARMFPStatusFlavour flavour)
{
return gen_gvec_fpst_zzp(s, fn, a->rd, a->rn, a->pg, data, flavour);
}
/* Invoke an out-of-line helper on 3 Zregs and a predicate. */
static bool gen_gvec_ool_zzzp(DisasContext *s, gen_helper_gvec_4 *fn,
int rd, int rn, int rm, int pg, int data)
{
if (fn == NULL) {
return false;
}
if (sve_access_check(s)) {
unsigned vsz = vec_full_reg_size(s);
tcg_gen_gvec_4_ool(vec_full_reg_offset(s, rd),
vec_full_reg_offset(s, rn),
vec_full_reg_offset(s, rm),
pred_full_reg_offset(s, pg),
vsz, vsz, data, fn);
}
return true;
}
static bool gen_gvec_ool_arg_zpzz(DisasContext *s, gen_helper_gvec_4 *fn,
arg_rprr_esz *a, int data)
{
return gen_gvec_ool_zzzp(s, fn, a->rd, a->rn, a->rm, a->pg, data);
}
/* Invoke an out-of-line helper on 3 Zregs and a predicate. */
static bool gen_gvec_fpst_zzzp(DisasContext *s, gen_helper_gvec_4_ptr *fn,
int rd, int rn, int rm, int pg, int data,
ARMFPStatusFlavour flavour)
{
if (fn == NULL) {
return false;
}
if (sve_access_check(s)) {
unsigned vsz = vec_full_reg_size(s);
TCGv_ptr status = fpstatus_ptr(flavour);
tcg_gen_gvec_4_ptr(vec_full_reg_offset(s, rd),
vec_full_reg_offset(s, rn),
vec_full_reg_offset(s, rm),
pred_full_reg_offset(s, pg),
status, vsz, vsz, data, fn);
}
return true;
}
static bool gen_gvec_fpst_arg_zpzz(DisasContext *s, gen_helper_gvec_4_ptr *fn,
arg_rprr_esz *a)
{
return gen_gvec_fpst_zzzp(s, fn, a->rd, a->rn, a->rm, a->pg, 0,
a->esz == MO_16 ? FPST_FPCR_F16 : FPST_FPCR);
}
/* Invoke a vector expander on two Zregs and an immediate. */
static bool gen_gvec_fn_zzi(DisasContext *s, GVecGen2iFn *gvec_fn,
int esz, int rd, int rn, uint64_t imm)
{
if (gvec_fn == NULL) {
return false;
}
if (sve_access_check(s)) {
unsigned vsz = vec_full_reg_size(s);
gvec_fn(esz, vec_full_reg_offset(s, rd),
vec_full_reg_offset(s, rn), imm, vsz, vsz);
}
return true;
}
static bool gen_gvec_fn_arg_zzi(DisasContext *s, GVecGen2iFn *gvec_fn,
arg_rri_esz *a)
{
if (a->esz < 0) {
/* Invalid tsz encoding -- see tszimm_esz. */
return false;
}
return gen_gvec_fn_zzi(s, gvec_fn, a->esz, a->rd, a->rn, a->imm);
}
/* Invoke a vector expander on three Zregs. */
static bool gen_gvec_fn_zzz(DisasContext *s, GVecGen3Fn *gvec_fn,
int esz, int rd, int rn, int rm)
{
if (gvec_fn == NULL) {
return false;
}
if (sve_access_check(s)) {
unsigned vsz = vec_full_reg_size(s);
gvec_fn(esz, vec_full_reg_offset(s, rd),
vec_full_reg_offset(s, rn),
vec_full_reg_offset(s, rm), vsz, vsz);
}
return true;
}
static bool gen_gvec_fn_arg_zzz(DisasContext *s, GVecGen3Fn *fn,
arg_rrr_esz *a)
{
return gen_gvec_fn_zzz(s, fn, a->esz, a->rd, a->rn, a->rm);
}
/* Invoke a vector expander on four Zregs. */
static bool gen_gvec_fn_arg_zzzz(DisasContext *s, GVecGen4Fn *gvec_fn,
arg_rrrr_esz *a)
{
if (gvec_fn == NULL) {
return false;
}
if (sve_access_check(s)) {
unsigned vsz = vec_full_reg_size(s);
gvec_fn(a->esz, vec_full_reg_offset(s, a->rd),
vec_full_reg_offset(s, a->rn),
vec_full_reg_offset(s, a->rm),
vec_full_reg_offset(s, a->ra), vsz, vsz);
}
return true;
}
/* Invoke a vector move on two Zregs. */
static bool do_mov_z(DisasContext *s, int rd, int rn)
{
if (sve_access_check(s)) {
unsigned vsz = vec_full_reg_size(s);
tcg_gen_gvec_mov(MO_8, vec_full_reg_offset(s, rd),
vec_full_reg_offset(s, rn), vsz, vsz);
}
return true;
}
/* Initialize a Zreg with replications of a 64-bit immediate. */
static void do_dupi_z(DisasContext *s, int rd, uint64_t word)
{
unsigned vsz = vec_full_reg_size(s);
tcg_gen_gvec_dup_imm(MO_64, vec_full_reg_offset(s, rd), vsz, vsz, word);
}
/* Invoke a vector expander on three Pregs. */
static bool gen_gvec_fn_ppp(DisasContext *s, GVecGen3Fn *gvec_fn,
int rd, int rn, int rm)
{
if (sve_access_check(s)) {
unsigned psz = pred_gvec_reg_size(s);
gvec_fn(MO_64, pred_full_reg_offset(s, rd),
pred_full_reg_offset(s, rn),
pred_full_reg_offset(s, rm), psz, psz);
}
return true;
}
/* Invoke a vector move on two Pregs. */
static bool do_mov_p(DisasContext *s, int rd, int rn)
{
if (sve_access_check(s)) {
unsigned psz = pred_gvec_reg_size(s);
tcg_gen_gvec_mov(MO_8, pred_full_reg_offset(s, rd),
pred_full_reg_offset(s, rn), psz, psz);
}
return true;
}
/* Set the cpu flags as per a return from an SVE helper. */
static void do_pred_flags(TCGv_i32 t)
{
tcg_gen_mov_i32(cpu_NF, t);
tcg_gen_andi_i32(cpu_ZF, t, 2);
tcg_gen_andi_i32(cpu_CF, t, 1);
tcg_gen_movi_i32(cpu_VF, 0);
}
/* Subroutines computing the ARM PredTest psuedofunction. */
static void do_predtest1(TCGv_i64 d, TCGv_i64 g)
{
TCGv_i32 t = tcg_temp_new_i32();
gen_helper_sve_predtest1(t, d, g);
do_pred_flags(t);
}
static void do_predtest(DisasContext *s, int dofs, int gofs, int words)
{
TCGv_ptr dptr = tcg_temp_new_ptr();
TCGv_ptr gptr = tcg_temp_new_ptr();
TCGv_i32 t = tcg_temp_new_i32();
tcg_gen_addi_ptr(dptr, cpu_env, dofs);
tcg_gen_addi_ptr(gptr, cpu_env, gofs);
gen_helper_sve_predtest(t, dptr, gptr, tcg_constant_i32(words));
do_pred_flags(t);
}
/* For each element size, the bits within a predicate word that are active. */
const uint64_t pred_esz_masks[5] = {
0xffffffffffffffffull, 0x5555555555555555ull,
0x1111111111111111ull, 0x0101010101010101ull,
0x0001000100010001ull,
};
static bool trans_INVALID(DisasContext *s, arg_INVALID *a)
{
unallocated_encoding(s);
return true;
}
/*
*** SVE Logical - Unpredicated Group
*/
TRANS_FEAT(AND_zzz, aa64_sve, gen_gvec_fn_arg_zzz, tcg_gen_gvec_and, a)
TRANS_FEAT(ORR_zzz, aa64_sve, gen_gvec_fn_arg_zzz, tcg_gen_gvec_or, a)
TRANS_FEAT(EOR_zzz, aa64_sve, gen_gvec_fn_arg_zzz, tcg_gen_gvec_xor, a)
TRANS_FEAT(BIC_zzz, aa64_sve, gen_gvec_fn_arg_zzz, tcg_gen_gvec_andc, a)
static void gen_xar8_i64(TCGv_i64 d, TCGv_i64 n, TCGv_i64 m, int64_t sh)
{
TCGv_i64 t = tcg_temp_new_i64();
uint64_t mask = dup_const(MO_8, 0xff >> sh);
tcg_gen_xor_i64(t, n, m);
tcg_gen_shri_i64(d, t, sh);
tcg_gen_shli_i64(t, t, 8 - sh);
tcg_gen_andi_i64(d, d, mask);
tcg_gen_andi_i64(t, t, ~mask);
tcg_gen_or_i64(d, d, t);
}
static void gen_xar16_i64(TCGv_i64 d, TCGv_i64 n, TCGv_i64 m, int64_t sh)
{
TCGv_i64 t = tcg_temp_new_i64();
uint64_t mask = dup_const(MO_16, 0xffff >> sh);
tcg_gen_xor_i64(t, n, m);
tcg_gen_shri_i64(d, t, sh);
tcg_gen_shli_i64(t, t, 16 - sh);
tcg_gen_andi_i64(d, d, mask);
tcg_gen_andi_i64(t, t, ~mask);
tcg_gen_or_i64(d, d, t);
}
static void gen_xar_i32(TCGv_i32 d, TCGv_i32 n, TCGv_i32 m, int32_t sh)
{
tcg_gen_xor_i32(d, n, m);
tcg_gen_rotri_i32(d, d, sh);
}
static void gen_xar_i64(TCGv_i64 d, TCGv_i64 n, TCGv_i64 m, int64_t sh)
{
tcg_gen_xor_i64(d, n, m);
tcg_gen_rotri_i64(d, d, sh);
}
static void gen_xar_vec(unsigned vece, TCGv_vec d, TCGv_vec n,
TCGv_vec m, int64_t sh)
{
tcg_gen_xor_vec(vece, d, n, m);
tcg_gen_rotri_vec(vece, d, d, sh);
}
void gen_gvec_xar(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
uint32_t rm_ofs, int64_t shift,
uint32_t opr_sz, uint32_t max_sz)
{
static const TCGOpcode vecop[] = { INDEX_op_rotli_vec, 0 };
static const GVecGen3i ops[4] = {
{ .fni8 = gen_xar8_i64,
.fniv = gen_xar_vec,
.fno = gen_helper_sve2_xar_b,
.opt_opc = vecop,
.vece = MO_8 },
{ .fni8 = gen_xar16_i64,
.fniv = gen_xar_vec,
.fno = gen_helper_sve2_xar_h,
.opt_opc = vecop,
.vece = MO_16 },
{ .fni4 = gen_xar_i32,
.fniv = gen_xar_vec,
.fno = gen_helper_sve2_xar_s,
.opt_opc = vecop,
.vece = MO_32 },
{ .fni8 = gen_xar_i64,
.fniv = gen_xar_vec,
.fno = gen_helper_gvec_xar_d,
.opt_opc = vecop,
.vece = MO_64 }
};
int esize = 8 << vece;
/* The SVE2 range is 1 .. esize; the AdvSIMD range is 0 .. esize-1. */
tcg_debug_assert(shift >= 0);
tcg_debug_assert(shift <= esize);
shift &= esize - 1;
if (shift == 0) {
/* xar with no rotate devolves to xor. */
tcg_gen_gvec_xor(vece, rd_ofs, rn_ofs, rm_ofs, opr_sz, max_sz);
} else {
tcg_gen_gvec_3i(rd_ofs, rn_ofs, rm_ofs, opr_sz, max_sz,
shift, &ops[vece]);
}
}
static bool trans_XAR(DisasContext *s, arg_rrri_esz *a)
{
if (a->esz < 0 || !dc_isar_feature(aa64_sve2, s)) {
return false;
}
if (sve_access_check(s)) {
unsigned vsz = vec_full_reg_size(s);
gen_gvec_xar(a->esz, vec_full_reg_offset(s, a->rd),
vec_full_reg_offset(s, a->rn),
vec_full_reg_offset(s, a->rm), a->imm, vsz, vsz);
}
return true;
}
static void gen_eor3_i64(TCGv_i64 d, TCGv_i64 n, TCGv_i64 m, TCGv_i64 k)
{
tcg_gen_xor_i64(d, n, m);
tcg_gen_xor_i64(d, d, k);
}
static void gen_eor3_vec(unsigned vece, TCGv_vec d, TCGv_vec n,
TCGv_vec m, TCGv_vec k)
{
tcg_gen_xor_vec(vece, d, n, m);
tcg_gen_xor_vec(vece, d, d, k);
}
static void gen_eor3(unsigned vece, uint32_t d, uint32_t n, uint32_t m,
uint32_t a, uint32_t oprsz, uint32_t maxsz)
{
static const GVecGen4 op = {
.fni8 = gen_eor3_i64,
.fniv = gen_eor3_vec,
.fno = gen_helper_sve2_eor3,
.vece = MO_64,
.prefer_i64 = TCG_TARGET_REG_BITS == 64,
};
tcg_gen_gvec_4(d, n, m, a, oprsz, maxsz, &op);
}
TRANS_FEAT(EOR3, aa64_sve2, gen_gvec_fn_arg_zzzz, gen_eor3, a)
static void gen_bcax_i64(TCGv_i64 d, TCGv_i64 n, TCGv_i64 m, TCGv_i64 k)
{
tcg_gen_andc_i64(d, m, k);
tcg_gen_xor_i64(d, d, n);
}
static void gen_bcax_vec(unsigned vece, TCGv_vec d, TCGv_vec n,
TCGv_vec m, TCGv_vec k)
{
tcg_gen_andc_vec(vece, d, m, k);
tcg_gen_xor_vec(vece, d, d, n);
}
static void gen_bcax(unsigned vece, uint32_t d, uint32_t n, uint32_t m,
uint32_t a, uint32_t oprsz, uint32_t maxsz)
{
static const GVecGen4 op = {
.fni8 = gen_bcax_i64,
.fniv = gen_bcax_vec,
.fno = gen_helper_sve2_bcax,
.vece = MO_64,
.prefer_i64 = TCG_TARGET_REG_BITS == 64,
};
tcg_gen_gvec_4(d, n, m, a, oprsz, maxsz, &op);
}
TRANS_FEAT(BCAX, aa64_sve2, gen_gvec_fn_arg_zzzz, gen_bcax, a)
static void gen_bsl(unsigned vece, uint32_t d, uint32_t n, uint32_t m,
uint32_t a, uint32_t oprsz, uint32_t maxsz)
{
/* BSL differs from the generic bitsel in argument ordering. */
tcg_gen_gvec_bitsel(vece, d, a, n, m, oprsz, maxsz);
}
TRANS_FEAT(BSL, aa64_sve2, gen_gvec_fn_arg_zzzz, gen_bsl, a)
static void gen_bsl1n_i64(TCGv_i64 d, TCGv_i64 n, TCGv_i64 m, TCGv_i64 k)
{
tcg_gen_andc_i64(n, k, n);
tcg_gen_andc_i64(m, m, k);
tcg_gen_or_i64(d, n, m);
}
static void gen_bsl1n_vec(unsigned vece, TCGv_vec d, TCGv_vec n,
TCGv_vec m, TCGv_vec k)
{
if (TCG_TARGET_HAS_bitsel_vec) {
tcg_gen_not_vec(vece, n, n);
tcg_gen_bitsel_vec(vece, d, k, n, m);
} else {
tcg_gen_andc_vec(vece, n, k, n);
tcg_gen_andc_vec(vece, m, m, k);
tcg_gen_or_vec(vece, d, n, m);
}
}
static void gen_bsl1n(unsigned vece, uint32_t d, uint32_t n, uint32_t m,
uint32_t a, uint32_t oprsz, uint32_t maxsz)
{
static const GVecGen4 op = {
.fni8 = gen_bsl1n_i64,
.fniv = gen_bsl1n_vec,
.fno = gen_helper_sve2_bsl1n,
.vece = MO_64,
.prefer_i64 = TCG_TARGET_REG_BITS == 64,
};
tcg_gen_gvec_4(d, n, m, a, oprsz, maxsz, &op);
}
TRANS_FEAT(BSL1N, aa64_sve2, gen_gvec_fn_arg_zzzz, gen_bsl1n, a)
static void gen_bsl2n_i64(TCGv_i64 d, TCGv_i64 n, TCGv_i64 m, TCGv_i64 k)
{
/*
* Z[dn] = (n & k) | (~m & ~k)
* = | ~(m | k)
*/
tcg_gen_and_i64(n, n, k);
if (TCG_TARGET_HAS_orc_i64) {
tcg_gen_or_i64(m, m, k);
tcg_gen_orc_i64(d, n, m);
} else {
tcg_gen_nor_i64(m, m, k);
tcg_gen_or_i64(d, n, m);
}
}
static void gen_bsl2n_vec(unsigned vece, TCGv_vec d, TCGv_vec n,
TCGv_vec m, TCGv_vec k)
{
if (TCG_TARGET_HAS_bitsel_vec) {
tcg_gen_not_vec(vece, m, m);
tcg_gen_bitsel_vec(vece, d, k, n, m);
} else {
tcg_gen_and_vec(vece, n, n, k);
tcg_gen_or_vec(vece, m, m, k);
tcg_gen_orc_vec(vece, d, n, m);
}
}
static void gen_bsl2n(unsigned vece, uint32_t d, uint32_t n, uint32_t m,
uint32_t a, uint32_t oprsz, uint32_t maxsz)
{
static const GVecGen4 op = {
.fni8 = gen_bsl2n_i64,
.fniv = gen_bsl2n_vec,
.fno = gen_helper_sve2_bsl2n,
.vece = MO_64,
.prefer_i64 = TCG_TARGET_REG_BITS == 64,
};
tcg_gen_gvec_4(d, n, m, a, oprsz, maxsz, &op);
}
TRANS_FEAT(BSL2N, aa64_sve2, gen_gvec_fn_arg_zzzz, gen_bsl2n, a)
static void gen_nbsl_i64(TCGv_i64 d, TCGv_i64 n, TCGv_i64 m, TCGv_i64 k)
{
tcg_gen_and_i64(n, n, k);
tcg_gen_andc_i64(m, m, k);
tcg_gen_nor_i64(d, n, m);
}
static void gen_nbsl_vec(unsigned vece, TCGv_vec d, TCGv_vec n,
TCGv_vec m, TCGv_vec k)
{
tcg_gen_bitsel_vec(vece, d, k, n, m);
tcg_gen_not_vec(vece, d, d);
}
static void gen_nbsl(unsigned vece, uint32_t d, uint32_t n, uint32_t m,
uint32_t a, uint32_t oprsz, uint32_t maxsz)
{
static const GVecGen4 op = {
.fni8 = gen_nbsl_i64,
.fniv = gen_nbsl_vec,
.fno = gen_helper_sve2_nbsl,
.vece = MO_64,
.prefer_i64 = TCG_TARGET_REG_BITS == 64,
};
tcg_gen_gvec_4(d, n, m, a, oprsz, maxsz, &op);
}
TRANS_FEAT(NBSL, aa64_sve2, gen_gvec_fn_arg_zzzz, gen_nbsl, a)
/*
*** SVE Integer Arithmetic - Unpredicated Group
*/
TRANS_FEAT(ADD_zzz, aa64_sve, gen_gvec_fn_arg_zzz, tcg_gen_gvec_add, a)
TRANS_FEAT(SUB_zzz, aa64_sve, gen_gvec_fn_arg_zzz, tcg_gen_gvec_sub, a)
TRANS_FEAT(SQADD_zzz, aa64_sve, gen_gvec_fn_arg_zzz, tcg_gen_gvec_ssadd, a)
TRANS_FEAT(SQSUB_zzz, aa64_sve, gen_gvec_fn_arg_zzz, tcg_gen_gvec_sssub, a)
TRANS_FEAT(UQADD_zzz, aa64_sve, gen_gvec_fn_arg_zzz, tcg_gen_gvec_usadd, a)
TRANS_FEAT(UQSUB_zzz, aa64_sve, gen_gvec_fn_arg_zzz, tcg_gen_gvec_ussub, a)
/*
*** SVE Integer Arithmetic - Binary Predicated Group
*/
/* Select active elememnts from Zn and inactive elements from Zm,
* storing the result in Zd.
*/
static bool do_sel_z(DisasContext *s, int rd, int rn, int rm, int pg, int esz)
{
static gen_helper_gvec_4 * const fns[4] = {
gen_helper_sve_sel_zpzz_b, gen_helper_sve_sel_zpzz_h,
gen_helper_sve_sel_zpzz_s, gen_helper_sve_sel_zpzz_d
};
return gen_gvec_ool_zzzp(s, fns[esz], rd, rn, rm, pg, 0);
}
#define DO_ZPZZ(NAME, FEAT, name) \
static gen_helper_gvec_4 * const name##_zpzz_fns[4] = { \
gen_helper_##name##_zpzz_b, gen_helper_##name##_zpzz_h, \
gen_helper_##name##_zpzz_s, gen_helper_##name##_zpzz_d, \
}; \
TRANS_FEAT(NAME, FEAT, gen_gvec_ool_arg_zpzz, \
name##_zpzz_fns[a->esz], a, 0)
DO_ZPZZ(AND_zpzz, aa64_sve, sve_and)
DO_ZPZZ(EOR_zpzz, aa64_sve, sve_eor)
DO_ZPZZ(ORR_zpzz, aa64_sve, sve_orr)
DO_ZPZZ(BIC_zpzz, aa64_sve, sve_bic)
DO_ZPZZ(ADD_zpzz, aa64_sve, sve_add)
DO_ZPZZ(SUB_zpzz, aa64_sve, sve_sub)
DO_ZPZZ(SMAX_zpzz, aa64_sve, sve_smax)
DO_ZPZZ(UMAX_zpzz, aa64_sve, sve_umax)
DO_ZPZZ(SMIN_zpzz, aa64_sve, sve_smin)
DO_ZPZZ(UMIN_zpzz, aa64_sve, sve_umin)
DO_ZPZZ(SABD_zpzz, aa64_sve, sve_sabd)
DO_ZPZZ(UABD_zpzz, aa64_sve, sve_uabd)
DO_ZPZZ(MUL_zpzz, aa64_sve, sve_mul)
DO_ZPZZ(SMULH_zpzz, aa64_sve, sve_smulh)
DO_ZPZZ(UMULH_zpzz, aa64_sve, sve_umulh)
DO_ZPZZ(ASR_zpzz, aa64_sve, sve_asr)
DO_ZPZZ(LSR_zpzz, aa64_sve, sve_lsr)
DO_ZPZZ(LSL_zpzz, aa64_sve, sve_lsl)
static gen_helper_gvec_4 * const sdiv_fns[4] = {
NULL, NULL, gen_helper_sve_sdiv_zpzz_s, gen_helper_sve_sdiv_zpzz_d
};
TRANS_FEAT(SDIV_zpzz, aa64_sve, gen_gvec_ool_arg_zpzz, sdiv_fns[a->esz], a, 0)
static gen_helper_gvec_4 * const udiv_fns[4] = {
NULL, NULL, gen_helper_sve_udiv_zpzz_s, gen_helper_sve_udiv_zpzz_d
};
TRANS_FEAT(UDIV_zpzz, aa64_sve, gen_gvec_ool_arg_zpzz, udiv_fns[a->esz], a, 0)
TRANS_FEAT(SEL_zpzz, aa64_sve, do_sel_z, a->rd, a->rn, a->rm, a->pg, a->esz)
/*
*** SVE Integer Arithmetic - Unary Predicated Group
*/
#define DO_ZPZ(NAME, FEAT, name) \
static gen_helper_gvec_3 * const name##_fns[4] = { \
gen_helper_##name##_b, gen_helper_##name##_h, \
gen_helper_##name##_s, gen_helper_##name##_d, \
}; \
TRANS_FEAT(NAME, FEAT, gen_gvec_ool_arg_zpz, name##_fns[a->esz], a, 0)
DO_ZPZ(CLS, aa64_sve, sve_cls)
DO_ZPZ(CLZ, aa64_sve, sve_clz)
DO_ZPZ(CNT_zpz, aa64_sve, sve_cnt_zpz)
DO_ZPZ(CNOT, aa64_sve, sve_cnot)
DO_ZPZ(NOT_zpz, aa64_sve, sve_not_zpz)
DO_ZPZ(ABS, aa64_sve, sve_abs)
DO_ZPZ(NEG, aa64_sve, sve_neg)
DO_ZPZ(RBIT, aa64_sve, sve_rbit)
static gen_helper_gvec_3 * const fabs_fns[4] = {
NULL, gen_helper_sve_fabs_h,
gen_helper_sve_fabs_s, gen_helper_sve_fabs_d,
};
TRANS_FEAT(FABS, aa64_sve, gen_gvec_ool_arg_zpz, fabs_fns[a->esz], a, 0)
static gen_helper_gvec_3 * const fneg_fns[4] = {
NULL, gen_helper_sve_fneg_h,
gen_helper_sve_fneg_s, gen_helper_sve_fneg_d,
};
TRANS_FEAT(FNEG, aa64_sve, gen_gvec_ool_arg_zpz, fneg_fns[a->esz], a, 0)
static gen_helper_gvec_3 * const sxtb_fns[4] = {
NULL, gen_helper_sve_sxtb_h,
gen_helper_sve_sxtb_s, gen_helper_sve_sxtb_d,
};
TRANS_FEAT(SXTB, aa64_sve, gen_gvec_ool_arg_zpz, sxtb_fns[a->esz], a, 0)
static gen_helper_gvec_3 * const uxtb_fns[4] = {
NULL, gen_helper_sve_uxtb_h,
gen_helper_sve_uxtb_s, gen_helper_sve_uxtb_d,
};
TRANS_FEAT(UXTB, aa64_sve, gen_gvec_ool_arg_zpz, uxtb_fns[a->esz], a, 0)
static gen_helper_gvec_3 * const sxth_fns[4] = {
NULL, NULL, gen_helper_sve_sxth_s, gen_helper_sve_sxth_d
};
TRANS_FEAT(SXTH, aa64_sve, gen_gvec_ool_arg_zpz, sxth_fns[a->esz], a, 0)
static gen_helper_gvec_3 * const uxth_fns[4] = {
NULL, NULL, gen_helper_sve_uxth_s, gen_helper_sve_uxth_d
};
TRANS_FEAT(UXTH, aa64_sve, gen_gvec_ool_arg_zpz, uxth_fns[a->esz], a, 0)
TRANS_FEAT(SXTW, aa64_sve, gen_gvec_ool_arg_zpz,
a->esz == 3 ? gen_helper_sve_sxtw_d : NULL, a, 0)
TRANS_FEAT(UXTW, aa64_sve, gen_gvec_ool_arg_zpz,
a->esz == 3 ? gen_helper_sve_uxtw_d : NULL, a, 0)
/*
*** SVE Integer Reduction Group
*/
typedef void gen_helper_gvec_reduc(TCGv_i64, TCGv_ptr, TCGv_ptr, TCGv_i32);
static bool do_vpz_ool(DisasContext *s, arg_rpr_esz *a,
gen_helper_gvec_reduc *fn)
{
unsigned vsz = vec_full_reg_size(s);
TCGv_ptr t_zn, t_pg;
TCGv_i32 desc;
TCGv_i64 temp;
if (fn == NULL) {
return false;
}
if (!sve_access_check(s)) {
return true;
}
desc = tcg_constant_i32(simd_desc(vsz, vsz, 0));
temp = tcg_temp_new_i64();
t_zn = tcg_temp_new_ptr();
t_pg = tcg_temp_new_ptr();
tcg_gen_addi_ptr(t_zn, cpu_env, vec_full_reg_offset(s, a->rn));
tcg_gen_addi_ptr(t_pg, cpu_env, pred_full_reg_offset(s, a->pg));
fn(temp, t_zn, t_pg, desc);
write_fp_dreg(s, a->rd, temp);
return true;
}
#define DO_VPZ(NAME, name) \
static gen_helper_gvec_reduc * const name##_fns[4] = { \
gen_helper_sve_##name##_b, gen_helper_sve_##name##_h, \
gen_helper_sve_##name##_s, gen_helper_sve_##name##_d, \
}; \
TRANS_FEAT(NAME, aa64_sve, do_vpz_ool, a, name##_fns[a->esz])
DO_VPZ(ORV, orv)
DO_VPZ(ANDV, andv)
DO_VPZ(EORV, eorv)
DO_VPZ(UADDV, uaddv)
DO_VPZ(SMAXV, smaxv)
DO_VPZ(UMAXV, umaxv)
DO_VPZ(SMINV, sminv)
DO_VPZ(UMINV, uminv)
static gen_helper_gvec_reduc * const saddv_fns[4] = {
gen_helper_sve_saddv_b, gen_helper_sve_saddv_h,
gen_helper_sve_saddv_s, NULL
};
TRANS_FEAT(SADDV, aa64_sve, do_vpz_ool, a, saddv_fns[a->esz])
#undef DO_VPZ
/*
*** SVE Shift by Immediate - Predicated Group
*/
/*
* Copy Zn into Zd, storing zeros into inactive elements.
* If invert, store zeros into the active elements.
*/
static bool do_movz_zpz(DisasContext *s, int rd, int rn, int pg,
int esz, bool invert)
{
static gen_helper_gvec_3 * const fns[4] = {
gen_helper_sve_movz_b, gen_helper_sve_movz_h,
gen_helper_sve_movz_s, gen_helper_sve_movz_d,
};
return gen_gvec_ool_zzp(s, fns[esz], rd, rn, pg, invert);
}
static bool do_shift_zpzi(DisasContext *s, arg_rpri_esz *a, bool asr,
gen_helper_gvec_3 * const fns[4])
{
int max;
if (a->esz < 0) {
/* Invalid tsz encoding -- see tszimm_esz. */
return false;
}
/*
* Shift by element size is architecturally valid.
* For arithmetic right-shift, it's the same as by one less.
* For logical shifts and ASRD, it is a zeroing operation.
*/
max = 8 << a->esz;
if (a->imm >= max) {
if (asr) {
a->imm = max - 1;
} else {
return do_movz_zpz(s, a->rd, a->rd, a->pg, a->esz, true);
}
}
return gen_gvec_ool_arg_zpzi(s, fns[a->esz], a);
}
static gen_helper_gvec_3 * const asr_zpzi_fns[4] = {
gen_helper_sve_asr_zpzi_b, gen_helper_sve_asr_zpzi_h,
gen_helper_sve_asr_zpzi_s, gen_helper_sve_asr_zpzi_d,
};
TRANS_FEAT(ASR_zpzi, aa64_sve, do_shift_zpzi, a, true, asr_zpzi_fns)
static gen_helper_gvec_3 * const lsr_zpzi_fns[4] = {
gen_helper_sve_lsr_zpzi_b, gen_helper_sve_lsr_zpzi_h,
gen_helper_sve_lsr_zpzi_s, gen_helper_sve_lsr_zpzi_d,
};
TRANS_FEAT(LSR_zpzi, aa64_sve, do_shift_zpzi, a, false, lsr_zpzi_fns)
static gen_helper_gvec_3 * const lsl_zpzi_fns[4] = {
gen_helper_sve_lsl_zpzi_b, gen_helper_sve_lsl_zpzi_h,
gen_helper_sve_lsl_zpzi_s, gen_helper_sve_lsl_zpzi_d,
};
TRANS_FEAT(LSL_zpzi, aa64_sve, do_shift_zpzi, a, false, lsl_zpzi_fns)
static gen_helper_gvec_3 * const asrd_fns[4] = {
gen_helper_sve_asrd_b, gen_helper_sve_asrd_h,
gen_helper_sve_asrd_s, gen_helper_sve_asrd_d,
};
TRANS_FEAT(ASRD, aa64_sve, do_shift_zpzi, a, false, asrd_fns)
static gen_helper_gvec_3 * const sqshl_zpzi_fns[4] = {
gen_helper_sve2_sqshl_zpzi_b, gen_helper_sve2_sqshl_zpzi_h,
gen_helper_sve2_sqshl_zpzi_s, gen_helper_sve2_sqshl_zpzi_d,
};
TRANS_FEAT(SQSHL_zpzi, aa64_sve2, gen_gvec_ool_arg_zpzi,
a->esz < 0 ? NULL : sqshl_zpzi_fns[a->esz], a)
static gen_helper_gvec_3 * const uqshl_zpzi_fns[4] = {
gen_helper_sve2_uqshl_zpzi_b, gen_helper_sve2_uqshl_zpzi_h,
gen_helper_sve2_uqshl_zpzi_s, gen_helper_sve2_uqshl_zpzi_d,
};
TRANS_FEAT(UQSHL_zpzi, aa64_sve2, gen_gvec_ool_arg_zpzi,
a->esz < 0 ? NULL : uqshl_zpzi_fns[a->esz], a)
static gen_helper_gvec_3 * const srshr_fns[4] = {
gen_helper_sve2_srshr_b, gen_helper_sve2_srshr_h,
gen_helper_sve2_srshr_s, gen_helper_sve2_srshr_d,
};
TRANS_FEAT(SRSHR, aa64_sve2, gen_gvec_ool_arg_zpzi,
a->esz < 0 ? NULL : srshr_fns[a->esz], a)
static gen_helper_gvec_3 * const urshr_fns[4] = {
gen_helper_sve2_urshr_b, gen_helper_sve2_urshr_h,
gen_helper_sve2_urshr_s, gen_helper_sve2_urshr_d,
};
TRANS_FEAT(URSHR, aa64_sve2, gen_gvec_ool_arg_zpzi,
a->esz < 0 ? NULL : urshr_fns[a->esz], a)
static gen_helper_gvec_3 * const sqshlu_fns[4] = {
gen_helper_sve2_sqshlu_b, gen_helper_sve2_sqshlu_h,
gen_helper_sve2_sqshlu_s, gen_helper_sve2_sqshlu_d,
};
TRANS_FEAT(SQSHLU, aa64_sve2, gen_gvec_ool_arg_zpzi,
a->esz < 0 ? NULL : sqshlu_fns[a->esz], a)
/*
*** SVE Bitwise Shift - Predicated Group
*/
#define DO_ZPZW(NAME, name) \
static gen_helper_gvec_4 * const name##_zpzw_fns[4] = { \
gen_helper_sve_##name##_zpzw_b, gen_helper_sve_##name##_zpzw_h, \
gen_helper_sve_##name##_zpzw_s, NULL \
}; \
TRANS_FEAT(NAME##_zpzw, aa64_sve, gen_gvec_ool_arg_zpzz, \
a->esz < 0 ? NULL : name##_zpzw_fns[a->esz], a, 0)
DO_ZPZW(ASR, asr)
DO_ZPZW(LSR, lsr)
DO_ZPZW(LSL, lsl)
#undef DO_ZPZW
/*
*** SVE Bitwise Shift - Unpredicated Group
*/
static bool do_shift_imm(DisasContext *s, arg_rri_esz *a, bool asr,
void (*gvec_fn)(unsigned, uint32_t, uint32_t,
int64_t, uint32_t, uint32_t))
{
if (a->esz < 0) {
/* Invalid tsz encoding -- see tszimm_esz. */
return false;
}
if (sve_access_check(s)) {
unsigned vsz = vec_full_reg_size(s);
/* Shift by element size is architecturally valid. For
arithmetic right-shift, it's the same as by one less.
Otherwise it is a zeroing operation. */
if (a->imm >= 8 << a->esz) {
if (asr) {
a->imm = (8 << a->esz) - 1;
} else {
do_dupi_z(s, a->rd, 0);
return true;
}
}
gvec_fn(a->esz, vec_full_reg_offset(s, a->rd),
vec_full_reg_offset(s, a->rn), a->imm, vsz, vsz);
}
return true;
}
TRANS_FEAT(ASR_zzi, aa64_sve, do_shift_imm, a, true, tcg_gen_gvec_sari)
TRANS_FEAT(LSR_zzi, aa64_sve, do_shift_imm, a, false, tcg_gen_gvec_shri)
TRANS_FEAT(LSL_zzi, aa64_sve, do_shift_imm, a, false, tcg_gen_gvec_shli)
#define DO_ZZW(NAME, name) \
static gen_helper_gvec_3 * const name##_zzw_fns[4] = { \
gen_helper_sve_##name##_zzw_b, gen_helper_sve_##name##_zzw_h, \
gen_helper_sve_##name##_zzw_s, NULL \
}; \
TRANS_FEAT(NAME, aa64_sve, gen_gvec_ool_arg_zzz, \
name##_zzw_fns[a->esz], a, 0)
DO_ZZW(ASR_zzw, asr)
DO_ZZW(LSR_zzw, lsr)
DO_ZZW(LSL_zzw, lsl)
#undef DO_ZZW
/*
*** SVE Integer Multiply-Add Group
*/
static bool do_zpzzz_ool(DisasContext *s, arg_rprrr_esz *a,
gen_helper_gvec_5 *fn)
{
if (sve_access_check(s)) {
unsigned vsz = vec_full_reg_size(s);
tcg_gen_gvec_5_ool(vec_full_reg_offset(s, a->rd),
vec_full_reg_offset(s, a->ra),
vec_full_reg_offset(s, a->rn),
vec_full_reg_offset(s, a->rm),
pred_full_reg_offset(s, a->pg),
vsz, vsz, 0, fn);
}
return true;
}
static gen_helper_gvec_5 * const mla_fns[4] = {
gen_helper_sve_mla_b, gen_helper_sve_mla_h,
gen_helper_sve_mla_s, gen_helper_sve_mla_d,
};
TRANS_FEAT(MLA, aa64_sve, do_zpzzz_ool, a, mla_fns[a->esz])
static gen_helper_gvec_5 * const mls_fns[4] = {
gen_helper_sve_mls_b, gen_helper_sve_mls_h,
gen_helper_sve_mls_s, gen_helper_sve_mls_d,
};
TRANS_FEAT(MLS, aa64_sve, do_zpzzz_ool, a, mls_fns[a->esz])
/*
*** SVE Index Generation Group
*/
static bool do_index(DisasContext *s, int esz, int rd,
TCGv_i64 start, TCGv_i64 incr)
{
unsigned vsz;
TCGv_i32 desc;
TCGv_ptr t_zd;
if (!sve_access_check(s)) {
return true;
}
vsz = vec_full_reg_size(s);
desc = tcg_constant_i32(simd_desc(vsz, vsz, 0));
t_zd = tcg_temp_new_ptr();
tcg_gen_addi_ptr(t_zd, cpu_env, vec_full_reg_offset(s, rd));
if (esz == 3) {
gen_helper_sve_index_d(t_zd, start, incr, desc);
} else {
typedef void index_fn(TCGv_ptr, TCGv_i32, TCGv_i32, TCGv_i32);
static index_fn * const fns[3] = {
gen_helper_sve_index_b,
gen_helper_sve_index_h,
gen_helper_sve_index_s,
};
TCGv_i32 s32 = tcg_temp_new_i32();
TCGv_i32 i32 = tcg_temp_new_i32();
tcg_gen_extrl_i64_i32(s32, start);
tcg_gen_extrl_i64_i32(i32, incr);
fns[esz](t_zd, s32, i32, desc);
}
return true;
}
TRANS_FEAT(INDEX_ii, aa64_sve, do_index, a->esz, a->rd,
tcg_constant_i64(a->imm1), tcg_constant_i64(a->imm2))
TRANS_FEAT(INDEX_ir, aa64_sve, do_index, a->esz, a->rd,
tcg_constant_i64(a->imm), cpu_reg(s, a->rm))
TRANS_FEAT(INDEX_ri, aa64_sve, do_index, a->esz, a->rd,
cpu_reg(s, a->rn), tcg_constant_i64(a->imm))
TRANS_FEAT(INDEX_rr, aa64_sve, do_index, a->esz, a->rd,
cpu_reg(s, a->rn), cpu_reg(s, a->rm))
/*
*** SVE Stack Allocation Group
*/
static bool trans_ADDVL(DisasContext *s, arg_ADDVL *a)
{
if (!dc_isar_feature(aa64_sve, s)) {
return false;
}
if (sve_access_check(s)) {
TCGv_i64 rd = cpu_reg_sp(s, a->rd);
TCGv_i64 rn = cpu_reg_sp(s, a->rn);
tcg_gen_addi_i64(rd, rn, a->imm * vec_full_reg_size(s));
}
return true;
}
static bool trans_ADDSVL(DisasContext *s, arg_ADDSVL *a)
{
if (!dc_isar_feature(aa64_sme, s)) {
return false;
}
if (sme_enabled_check(s)) {
TCGv_i64 rd = cpu_reg_sp(s, a->rd);
TCGv_i64 rn = cpu_reg_sp(s, a->rn);
tcg_gen_addi_i64(rd, rn, a->imm * streaming_vec_reg_size(s));
}
return true;
}
static bool trans_ADDPL(DisasContext *s, arg_ADDPL *a)
{
if (!dc_isar_feature(aa64_sve, s)) {
return false;
}
if (sve_access_check(s)) {
TCGv_i64 rd = cpu_reg_sp(s, a->rd);
TCGv_i64 rn = cpu_reg_sp(s, a->rn);
tcg_gen_addi_i64(rd, rn, a->imm * pred_full_reg_size(s));
}
return true;
}
static bool trans_ADDSPL(DisasContext *s, arg_ADDSPL *a)
{
if (!dc_isar_feature(aa64_sme, s)) {
return false;
}
if (sme_enabled_check(s)) {
TCGv_i64 rd = cpu_reg_sp(s, a->rd);
TCGv_i64 rn = cpu_reg_sp(s, a->rn);
tcg_gen_addi_i64(rd, rn, a->imm * streaming_pred_reg_size(s));
}
return true;
}
static bool trans_RDVL(DisasContext *s, arg_RDVL *a)
{
if (!dc_isar_feature(aa64_sve, s)) {
return false;
}
if (sve_access_check(s)) {
TCGv_i64 reg = cpu_reg(s, a->rd);
tcg_gen_movi_i64(reg, a->imm * vec_full_reg_size(s));
}
return true;
}
static bool trans_RDSVL(DisasContext *s, arg_RDSVL *a)
{
if (!dc_isar_feature(aa64_sme, s)) {
return false;
}
if (sme_enabled_check(s)) {
TCGv_i64 reg = cpu_reg(s, a->rd);
tcg_gen_movi_i64(reg, a->imm * streaming_vec_reg_size(s));
}
return true;
}
/*
*** SVE Compute Vector Address Group
*/
static bool do_adr(DisasContext *s, arg_rrri *a, gen_helper_gvec_3 *fn)
{
return gen_gvec_ool_zzz(s, fn, a->rd, a->rn, a->rm, a->imm);
}
TRANS_FEAT_NONSTREAMING(ADR_p32, aa64_sve, do_adr, a, gen_helper_sve_adr_p32)
TRANS_FEAT_NONSTREAMING(ADR_p64, aa64_sve, do_adr, a, gen_helper_sve_adr_p64)
TRANS_FEAT_NONSTREAMING(ADR_s32, aa64_sve, do_adr, a, gen_helper_sve_adr_s32)
TRANS_FEAT_NONSTREAMING(ADR_u32, aa64_sve, do_adr, a, gen_helper_sve_adr_u32)
/*
*** SVE Integer Misc - Unpredicated Group
*/
static gen_helper_gvec_2 * const fexpa_fns[4] = {
NULL, gen_helper_sve_fexpa_h,
gen_helper_sve_fexpa_s, gen_helper_sve_fexpa_d,
};
TRANS_FEAT_NONSTREAMING(FEXPA, aa64_sve, gen_gvec_ool_zz,
fexpa_fns[a->esz], a->rd, a->rn, 0)
static gen_helper_gvec_3 * const ftssel_fns[4] = {
NULL, gen_helper_sve_ftssel_h,
gen_helper_sve_ftssel_s, gen_helper_sve_ftssel_d,
};
TRANS_FEAT_NONSTREAMING(FTSSEL, aa64_sve, gen_gvec_ool_arg_zzz,
ftssel_fns[a->esz], a, 0)
/*
*** SVE Predicate Logical Operations Group
*/
static bool do_pppp_flags(DisasContext *s, arg_rprr_s *a,
const GVecGen4 *gvec_op)
{
if (!sve_access_check(s)) {
return true;
}
unsigned psz = pred_gvec_reg_size(s);
int dofs = pred_full_reg_offset(s, a->rd);
int nofs = pred_full_reg_offset(s, a->rn);
int mofs = pred_full_reg_offset(s, a->rm);
int gofs = pred_full_reg_offset(s, a->pg);
if (!a->s) {
tcg_gen_gvec_4(dofs, nofs, mofs, gofs, psz, psz, gvec_op);
return true;
}
if (psz == 8) {
/* Do the operation and the flags generation in temps. */
TCGv_i64 pd = tcg_temp_new_i64();
TCGv_i64 pn = tcg_temp_new_i64();
TCGv_i64 pm = tcg_temp_new_i64();
TCGv_i64 pg = tcg_temp_new_i64();
tcg_gen_ld_i64(pn, cpu_env, nofs);
tcg_gen_ld_i64(pm, cpu_env, mofs);
tcg_gen_ld_i64(pg, cpu_env, gofs);
gvec_op->fni8(pd, pn, pm, pg);
tcg_gen_st_i64(pd, cpu_env, dofs);
do_predtest1(pd, pg);
} else {
/* The operation and flags generation is large. The computation
* of the flags depends on the original contents of the guarding
* predicate. If the destination overwrites the guarding predicate,
* then the easiest way to get this right is to save a copy.
*/
int tofs = gofs;
if (a->rd == a->pg) {
tofs = offsetof(CPUARMState, vfp.preg_tmp);
tcg_gen_gvec_mov(0, tofs, gofs, psz, psz);
}
tcg_gen_gvec_4(dofs, nofs, mofs, gofs, psz, psz, gvec_op);
do_predtest(s, dofs, tofs, psz / 8);
}
return true;
}
static void gen_and_pg_i64(TCGv_i64 pd, TCGv_i64 pn, TCGv_i64 pm, TCGv_i64 pg)
{
tcg_gen_and_i64(pd, pn, pm);
tcg_gen_and_i64(pd, pd, pg);
}
static void gen_and_pg_vec(unsigned vece, TCGv_vec pd, TCGv_vec pn,
TCGv_vec pm, TCGv_vec pg)
{
tcg_gen_and_vec(vece, pd, pn, pm);
tcg_gen_and_vec(vece, pd, pd, pg);
}
static bool trans_AND_pppp(DisasContext *s, arg_rprr_s *a)
{
static const GVecGen4 op = {
.fni8 = gen_and_pg_i64,
.fniv = gen_and_pg_vec,
.fno = gen_helper_sve_and_pppp,
.prefer_i64 = TCG_TARGET_REG_BITS == 64,
};
if (!dc_isar_feature(aa64_sve, s)) {
return false;
}
if (!a->s) {
if (a->rn == a->rm) {
if (a->pg == a->rn) {
return do_mov_p(s, a->rd, a->rn);
}
return gen_gvec_fn_ppp(s, tcg_gen_gvec_and, a->rd, a->rn, a->pg);
} else if (a->pg == a->rn || a->pg == a->rm) {
return gen_gvec_fn_ppp(s, tcg_gen_gvec_and, a->rd, a->rn, a->rm);
}
}
return do_pppp_flags(s, a, &op);
}
static void gen_bic_pg_i64(TCGv_i64 pd, TCGv_i64 pn, TCGv_i64 pm, TCGv_i64 pg)
{
tcg_gen_andc_i64(pd, pn, pm);
tcg_gen_and_i64(pd, pd, pg);
}
static void gen_bic_pg_vec(unsigned vece, TCGv_vec pd, TCGv_vec pn,
TCGv_vec pm, TCGv_vec pg)
{
tcg_gen_andc_vec(vece, pd, pn, pm);
tcg_gen_and_vec(vece, pd, pd, pg);
}
static bool trans_BIC_pppp(DisasContext *s, arg_rprr_s *a)
{
static const GVecGen4 op = {
.fni8 = gen_bic_pg_i64,
.fniv = gen_bic_pg_vec,
.fno = gen_helper_sve_bic_pppp,
.prefer_i64 = TCG_TARGET_REG_BITS == 64,
};
if (!dc_isar_feature(aa64_sve, s)) {
return false;
}
if (!a->s && a->pg == a->rn) {
return gen_gvec_fn_ppp(s, tcg_gen_gvec_andc, a->rd, a->rn, a->rm);
}
return do_pppp_flags(s, a, &op);
}
static void gen_eor_pg_i64(TCGv_i64 pd, TCGv_i64 pn, TCGv_i64 pm, TCGv_i64 pg)
{
tcg_gen_xor_i64(pd, pn, pm);
tcg_gen_and_i64(pd, pd, pg);
}
static void gen_eor_pg_vec(unsigned vece, TCGv_vec pd, TCGv_vec pn,
TCGv_vec pm, TCGv_vec pg)
{
tcg_gen_xor_vec(vece, pd, pn, pm);
tcg_gen_and_vec(vece, pd, pd, pg);
}
static bool trans_EOR_pppp(DisasContext *s, arg_rprr_s *a)
{
static const GVecGen4 op = {
.fni8 = gen_eor_pg_i64,
.fniv = gen_eor_pg_vec,
.fno = gen_helper_sve_eor_pppp,
.prefer_i64 = TCG_TARGET_REG_BITS == 64,
};
if (!dc_isar_feature(aa64_sve, s)) {
return false;
}
/* Alias NOT (predicate) is EOR Pd.B, Pg/Z, Pn.B, Pg.B */
if (!a->s && a->pg == a->rm) {
return gen_gvec_fn_ppp(s, tcg_gen_gvec_andc, a->rd, a->pg, a->rn);
}
return do_pppp_flags(s, a, &op);
}
static bool trans_SEL_pppp(DisasContext *s, arg_rprr_s *a)
{
if (a->s || !dc_isar_feature(aa64_sve, s)) {
return false;
}
if (sve_access_check(s)) {
unsigned psz = pred_gvec_reg_size(s);
tcg_gen_gvec_bitsel(MO_8, pred_full_reg_offset(s, a->rd),
pred_full_reg_offset(s, a->pg),
pred_full_reg_offset(s, a->rn),
pred_full_reg_offset(s, a->rm), psz, psz);
}
return true;
}
static void gen_orr_pg_i64(TCGv_i64 pd, TCGv_i64 pn, TCGv_i64 pm, TCGv_i64 pg)
{
tcg_gen_or_i64(pd, pn, pm);
tcg_gen_and_i64(pd, pd, pg);
}
static void gen_orr_pg_vec(unsigned vece, TCGv_vec pd, TCGv_vec pn,
TCGv_vec pm, TCGv_vec pg)
{
tcg_gen_or_vec(vece, pd, pn, pm);
tcg_gen_and_vec(vece, pd, pd, pg);
}
static bool trans_ORR_pppp(DisasContext *s, arg_rprr_s *a)
{
static const GVecGen4 op = {
.fni8 = gen_orr_pg_i64,
.fniv = gen_orr_pg_vec,
.fno = gen_helper_sve_orr_pppp,
.prefer_i64 = TCG_TARGET_REG_BITS == 64,
};
if (!dc_isar_feature(aa64_sve, s)) {
return false;
}
if (!a->s && a->pg == a->rn && a->rn == a->rm) {
return do_mov_p(s, a->rd, a->rn);
}
return do_pppp_flags(s, a, &op);
}
static void gen_orn_pg_i64(TCGv_i64 pd, TCGv_i64 pn, TCGv_i64 pm, TCGv_i64 pg)
{
tcg_gen_orc_i64(pd, pn, pm);
tcg_gen_and_i64(pd, pd, pg);
}
static void gen_orn_pg_vec(unsigned vece, TCGv_vec pd, TCGv_vec pn,
TCGv_vec pm, TCGv_vec pg)
{
tcg_gen_orc_vec(vece, pd, pn, pm);
tcg_gen_and_vec(vece, pd, pd, pg);
}
static bool trans_ORN_pppp(DisasContext *s, arg_rprr_s *a)
{
static const GVecGen4 op = {
.fni8 = gen_orn_pg_i64,
.fniv = gen_orn_pg_vec,
.fno = gen_helper_sve_orn_pppp,
.prefer_i64 = TCG_TARGET_REG_BITS == 64,
};
if (!dc_isar_feature(aa64_sve, s)) {
return false;
}
return do_pppp_flags(s, a, &op);
}
static void gen_nor_pg_i64(TCGv_i64 pd, TCGv_i64 pn, TCGv_i64 pm, TCGv_i64 pg)
{
tcg_gen_or_i64(pd, pn, pm);
tcg_gen_andc_i64(pd, pg, pd);
}
static void gen_nor_pg_vec(unsigned vece, TCGv_vec pd, TCGv_vec pn,
TCGv_vec pm, TCGv_vec pg)
{
tcg_gen_or_vec(vece, pd, pn, pm);
tcg_gen_andc_vec(vece, pd, pg, pd);
}
static bool trans_NOR_pppp(DisasContext *s, arg_rprr_s *a)
{
static const GVecGen4 op = {
.fni8 = gen_nor_pg_i64,
.fniv = gen_nor_pg_vec,
.fno = gen_helper_sve_nor_pppp,
.prefer_i64 = TCG_TARGET_REG_BITS == 64,
};
if (!dc_isar_feature(aa64_sve, s)) {
return false;
}
return do_pppp_flags(s, a, &op);
}
static void gen_nand_pg_i64(TCGv_i64 pd, TCGv_i64 pn, TCGv_i64 pm, TCGv_i64 pg)
{
tcg_gen_and_i64(pd, pn, pm);
tcg_gen_andc_i64(pd, pg, pd);
}
static void gen_nand_pg_vec(unsigned vece, TCGv_vec pd, TCGv_vec pn,
TCGv_vec pm, TCGv_vec pg)
{
tcg_gen_and_vec(vece, pd, pn, pm);
tcg_gen_andc_vec(vece, pd, pg, pd);
}
static bool trans_NAND_pppp(DisasContext *s, arg_rprr_s *a)
{
static const GVecGen4 op = {
.fni8 = gen_nand_pg_i64,
.fniv = gen_nand_pg_vec,
.fno = gen_helper_sve_nand_pppp,
.prefer_i64 = TCG_TARGET_REG_BITS == 64,
};
if (!dc_isar_feature(aa64_sve, s)) {
return false;
}
return do_pppp_flags(s, a, &op);
}
/*
*** SVE Predicate Misc Group
*/
static bool trans_PTEST(DisasContext *s, arg_PTEST *a)
{
if (!dc_isar_feature(aa64_sve, s)) {
return false;
}
if (sve_access_check(s)) {
int nofs = pred_full_reg_offset(s, a->rn);
int gofs = pred_full_reg_offset(s, a->pg);
int words = DIV_ROUND_UP(pred_full_reg_size(s), 8);
if (words == 1) {
TCGv_i64 pn = tcg_temp_new_i64();
TCGv_i64 pg = tcg_temp_new_i64();
tcg_gen_ld_i64(pn, cpu_env, nofs);
tcg_gen_ld_i64(pg, cpu_env, gofs);
do_predtest1(pn, pg);
} else {
do_predtest(s, nofs, gofs, words);
}
}
return true;
}
/* See the ARM pseudocode DecodePredCount. */
static unsigned decode_pred_count(unsigned fullsz, int pattern, int esz)
{
unsigned elements = fullsz >> esz;
unsigned bound;
switch (pattern) {
case 0x0: /* POW2 */
return pow2floor(elements);
case 0x1: /* VL1 */
case 0x2: /* VL2 */
case 0x3: /* VL3 */
case 0x4: /* VL4 */
case 0x5: /* VL5 */
case 0x6: /* VL6 */
case 0x7: /* VL7 */
case 0x8: /* VL8 */
bound = pattern;
break;
case 0x9: /* VL16 */
case 0xa: /* VL32 */
case 0xb: /* VL64 */
case 0xc: /* VL128 */
case 0xd: /* VL256 */
bound = 16 << (pattern - 9);
break;
case 0x1d: /* MUL4 */
return elements - elements % 4;
case 0x1e: /* MUL3 */
return elements - elements % 3;
case 0x1f: /* ALL */
return elements;
default: /* #uimm5 */
return 0;
}
return elements >= bound ? bound : 0;
}
/* This handles all of the predicate initialization instructions,
* PTRUE, PFALSE, SETFFR. For PFALSE, we will have set PAT == 32
* so that decode_pred_count returns 0. For SETFFR, we will have
* set RD == 16 == FFR.
*/
static bool do_predset(DisasContext *s, int esz, int rd, int pat, bool setflag)
{
if (!sve_access_check(s)) {
return true;
}
unsigned fullsz = vec_full_reg_size(s);
unsigned ofs = pred_full_reg_offset(s, rd);
unsigned numelem, setsz, i;
uint64_t word, lastword;
TCGv_i64 t;
numelem = decode_pred_count(fullsz, pat, esz);
/* Determine what we must store into each bit, and how many. */
if (numelem == 0) {
lastword = word = 0;
setsz = fullsz;
} else {
setsz = numelem << esz;
lastword = word = pred_esz_masks[esz];
if (setsz % 64) {
lastword &= MAKE_64BIT_MASK(0, setsz % 64);
}
}
t = tcg_temp_new_i64();
if (fullsz <= 64) {
tcg_gen_movi_i64(t, lastword);
tcg_gen_st_i64(t, cpu_env, ofs);
goto done;
}
if (word == lastword) {
unsigned maxsz = size_for_gvec(fullsz / 8);
unsigned oprsz = size_for_gvec(setsz / 8);
if (oprsz * 8 == setsz) {
tcg_gen_gvec_dup_imm(MO_64, ofs, oprsz, maxsz, word);
goto done;
}
}
setsz /= 8;
fullsz /= 8;
tcg_gen_movi_i64(t, word);
for (i = 0; i < QEMU_ALIGN_DOWN(setsz, 8); i += 8) {
tcg_gen_st_i64(t, cpu_env, ofs + i);
}
if (lastword != word) {
tcg_gen_movi_i64(t, lastword);
tcg_gen_st_i64(t, cpu_env, ofs + i);
i += 8;
}
if (i < fullsz) {
tcg_gen_movi_i64(t, 0);
for (; i < fullsz; i += 8) {
tcg_gen_st_i64(t, cpu_env, ofs + i);
}
}
done:
/* PTRUES */
if (setflag) {
tcg_gen_movi_i32(cpu_NF, -(word != 0));
tcg_gen_movi_i32(cpu_CF, word == 0);
tcg_gen_movi_i32(cpu_VF, 0);
tcg_gen_mov_i32(cpu_ZF, cpu_NF);
}
return true;
}
TRANS_FEAT(PTRUE, aa64_sve, do_predset, a->esz, a->rd, a->pat, a->s)
/* Note pat == 31 is #all, to set all elements. */
TRANS_FEAT_NONSTREAMING(SETFFR, aa64_sve,
do_predset, 0, FFR_PRED_NUM, 31, false)
/* Note pat == 32 is #unimp, to set no elements. */
TRANS_FEAT(PFALSE, aa64_sve, do_predset, 0, a->rd, 32, false)
static bool trans_RDFFR_p(DisasContext *s, arg_RDFFR_p *a)
{
/* The path through do_pppp_flags is complicated enough to want to avoid
* duplication. Frob the arguments into the form of a predicated AND.
*/
arg_rprr_s alt_a = {
.rd = a->rd, .pg = a->pg, .s = a->s,
.rn = FFR_PRED_NUM, .rm = FFR_PRED_NUM,
};
s->is_nonstreaming = true;
return trans_AND_pppp(s, &alt_a);
}
TRANS_FEAT_NONSTREAMING(RDFFR, aa64_sve, do_mov_p, a->rd, FFR_PRED_NUM)
TRANS_FEAT_NONSTREAMING(WRFFR, aa64_sve, do_mov_p, FFR_PRED_NUM, a->rn)
static bool do_pfirst_pnext(DisasContext *s, arg_rr_esz *a,
void (*gen_fn)(TCGv_i32, TCGv_ptr,
TCGv_ptr, TCGv_i32))
{
if (!sve_access_check(s)) {
return true;
}
TCGv_ptr t_pd = tcg_temp_new_ptr();
TCGv_ptr t_pg = tcg_temp_new_ptr();
TCGv_i32 t;
unsigned desc = 0;
desc = FIELD_DP32(desc, PREDDESC, OPRSZ, pred_full_reg_size(s));
desc = FIELD_DP32(desc, PREDDESC, ESZ, a->esz);
tcg_gen_addi_ptr(t_pd, cpu_env, pred_full_reg_offset(s, a->rd));
tcg_gen_addi_ptr(t_pg, cpu_env, pred_full_reg_offset(s, a->rn));
t = tcg_temp_new_i32();
gen_fn(t, t_pd, t_pg, tcg_constant_i32(desc));
do_pred_flags(t);
return true;
}
TRANS_FEAT(PFIRST, aa64_sve, do_pfirst_pnext, a, gen_helper_sve_pfirst)
TRANS_FEAT(PNEXT, aa64_sve, do_pfirst_pnext, a, gen_helper_sve_pnext)
/*
*** SVE Element Count Group
*/
/* Perform an inline saturating addition of a 32-bit value within
* a 64-bit register. The second operand is known to be positive,
* which halves the comparisions we must perform to bound the result.
*/
static void do_sat_addsub_32(TCGv_i64 reg, TCGv_i64 val, bool u, bool d)
{
int64_t ibound;
/* Use normal 64-bit arithmetic to detect 32-bit overflow. */
if (u) {
tcg_gen_ext32u_i64(reg, reg);
} else {
tcg_gen_ext32s_i64(reg, reg);
}
if (d) {
tcg_gen_sub_i64(reg, reg, val);
ibound = (u ? 0 : INT32_MIN);
tcg_gen_smax_i64(reg, reg, tcg_constant_i64(ibound));
} else {
tcg_gen_add_i64(reg, reg, val);
ibound = (u ? UINT32_MAX : INT32_MAX);
tcg_gen_smin_i64(reg, reg, tcg_constant_i64(ibound));
}
}
/* Similarly with 64-bit values. */
static void do_sat_addsub_64(TCGv_i64 reg, TCGv_i64 val, bool u, bool d)
{
TCGv_i64 t0 = tcg_temp_new_i64();
TCGv_i64 t2;
if (u) {
if (d) {
tcg_gen_sub_i64(t0, reg, val);
t2 = tcg_constant_i64(0);
tcg_gen_movcond_i64(TCG_COND_LTU, reg, reg, val, t2, t0);
} else {
tcg_gen_add_i64(t0, reg, val);
t2 = tcg_constant_i64(-1);
tcg_gen_movcond_i64(TCG_COND_LTU, reg, t0, reg, t2, t0);
}
} else {
TCGv_i64 t1 = tcg_temp_new_i64();
if (d) {
/* Detect signed overflow for subtraction. */
tcg_gen_xor_i64(t0, reg, val);
tcg_gen_sub_i64(t1, reg, val);
tcg_gen_xor_i64(reg, reg, t1);
tcg_gen_and_i64(t0, t0, reg);
/* Bound the result. */
tcg_gen_movi_i64(reg, INT64_MIN);
t2 = tcg_constant_i64(0);
tcg_gen_movcond_i64(TCG_COND_LT, reg, t0, t2, reg, t1);
} else {
/* Detect signed overflow for addition. */
tcg_gen_xor_i64(t0, reg, val);
tcg_gen_add_i64(reg, reg, val);
tcg_gen_xor_i64(t1, reg, val);
tcg_gen_andc_i64(t0, t1, t0);
/* Bound the result. */
tcg_gen_movi_i64(t1, INT64_MAX);
t2 = tcg_constant_i64(0);
tcg_gen_movcond_i64(TCG_COND_LT, reg, t0, t2, t1, reg);
}
}
}
/* Similarly with a vector and a scalar operand. */
static void do_sat_addsub_vec(DisasContext *s, int esz, int rd, int rn,
TCGv_i64 val, bool u, bool d)
{
unsigned vsz = vec_full_reg_size(s);
TCGv_ptr dptr, nptr;
TCGv_i32 t32, desc;
TCGv_i64 t64;
dptr = tcg_temp_new_ptr();
nptr = tcg_temp_new_ptr();
tcg_gen_addi_ptr(dptr, cpu_env, vec_full_reg_offset(s, rd));
tcg_gen_addi_ptr(nptr, cpu_env, vec_full_reg_offset(s, rn));
desc = tcg_constant_i32(simd_desc(vsz, vsz, 0));
switch (esz) {
case MO_8:
t32 = tcg_temp_new_i32();
tcg_gen_extrl_i64_i32(t32, val);
if (d) {
tcg_gen_neg_i32(t32, t32);
}
if (u) {
gen_helper_sve_uqaddi_b(dptr, nptr, t32, desc);
} else {
gen_helper_sve_sqaddi_b(dptr, nptr, t32, desc);
}
break;
case MO_16:
t32 = tcg_temp_new_i32();
tcg_gen_extrl_i64_i32(t32, val);
if (d) {
tcg_gen_neg_i32(t32, t32);
}
if (u) {
gen_helper_sve_uqaddi_h(dptr, nptr, t32, desc);
} else {
gen_helper_sve_sqaddi_h(dptr, nptr, t32, desc);
}
break;
case MO_32:
t64 = tcg_temp_new_i64();
if (d) {
tcg_gen_neg_i64(t64, val);
} else {
tcg_gen_mov_i64(t64, val);
}
if (u) {
gen_helper_sve_uqaddi_s(dptr, nptr, t64, desc);
} else {
gen_helper_sve_sqaddi_s(dptr, nptr, t64, desc);
}
break;
case MO_64:
if (u) {
if (d) {
gen_helper_sve_uqsubi_d(dptr, nptr, val, desc);
} else {
gen_helper_sve_uqaddi_d(dptr, nptr, val, desc);
}
} else if (d) {
t64 = tcg_temp_new_i64();
tcg_gen_neg_i64(t64, val);
gen_helper_sve_sqaddi_d(dptr, nptr, t64, desc);
} else {
gen_helper_sve_sqaddi_d(dptr, nptr, val, desc);
}
break;
default:
g_assert_not_reached();
}
}
static bool trans_CNT_r(DisasContext *s, arg_CNT_r *a)
{
if (!dc_isar_feature(aa64_sve, s)) {
return false;
}
if (sve_access_check(s)) {
unsigned fullsz = vec_full_reg_size(s);
unsigned numelem = decode_pred_count(fullsz, a->pat, a->esz);
tcg_gen_movi_i64(cpu_reg(s, a->rd), numelem * a->imm);
}
return true;
}
static bool trans_INCDEC_r(DisasContext *s, arg_incdec_cnt *a)
{
if (!dc_isar_feature(aa64_sve, s)) {
return false;
}
if (sve_access_check(s)) {
unsigned fullsz = vec_full_reg_size(s);
unsigned numelem = decode_pred_count(fullsz, a->pat, a->esz);
int inc = numelem * a->imm * (a->d ? -1 : 1);
TCGv_i64 reg = cpu_reg(s, a->rd);
tcg_gen_addi_i64(reg, reg, inc);
}
return true;
}
static bool trans_SINCDEC_r_32(DisasContext *s, arg_incdec_cnt *a)
{
if (!dc_isar_feature(aa64_sve, s)) {
return false;
}
if (!sve_access_check(s)) {
return true;
}
unsigned fullsz = vec_full_reg_size(s);
unsigned numelem = decode_pred_count(fullsz, a->pat, a->esz);
int inc = numelem * a->imm;
TCGv_i64 reg = cpu_reg(s, a->rd);
/* Use normal 64-bit arithmetic to detect 32-bit overflow. */
if (inc == 0) {
if (a->u) {
tcg_gen_ext32u_i64(reg, reg);
} else {
tcg_gen_ext32s_i64(reg, reg);
}
} else {
do_sat_addsub_32(reg, tcg_constant_i64(inc), a->u, a->d);
}
return true;
}
static bool trans_SINCDEC_r_64(DisasContext *s, arg_incdec_cnt *a)
{
if (!dc_isar_feature(aa64_sve, s)) {
return false;
}
if (!sve_access_check(s)) {
return true;
}
unsigned fullsz = vec_full_reg_size(s);
unsigned numelem = decode_pred_count(fullsz, a->pat, a->esz);
int inc = numelem * a->imm;
TCGv_i64 reg = cpu_reg(s, a->rd);
if (inc != 0) {
do_sat_addsub_64(reg, tcg_constant_i64(inc), a->u, a->d);
}
return true;
}
static bool trans_INCDEC_v(DisasContext *s, arg_incdec2_cnt *a)
{
if (a->esz == 0 || !dc_isar_feature(aa64_sve, s)) {
return false;
}
unsigned fullsz = vec_full_reg_size(s);
unsigned numelem = decode_pred_count(fullsz, a->pat, a->esz);
int inc = numelem * a->imm;
if (inc != 0) {
if (sve_access_check(s)) {
tcg_gen_gvec_adds(a->esz, vec_full_reg_offset(s, a->rd),
vec_full_reg_offset(s, a->rn),
tcg_constant_i64(a->d ? -inc : inc),
fullsz, fullsz);
}
} else {
do_mov_z(s, a->rd, a->rn);
}
return true;
}
static bool trans_SINCDEC_v(DisasContext *s, arg_incdec2_cnt *a)
{
if (a->esz == 0 || !dc_isar_feature(aa64_sve, s)) {
return false;
}
unsigned fullsz = vec_full_reg_size(s);
unsigned numelem = decode_pred_count(fullsz, a->pat, a->esz);
int inc = numelem * a->imm;
if (inc != 0) {
if (sve_access_check(s)) {
do_sat_addsub_vec(s, a->esz, a->rd, a->rn,
tcg_constant_i64(inc), a->u, a->d);
}
} else {
do_mov_z(s, a->rd, a->rn);
}
return true;
}
/*
*** SVE Bitwise Immediate Group
*/
static bool do_zz_dbm(DisasContext *s, arg_rr_dbm *a, GVecGen2iFn *gvec_fn)
{
uint64_t imm;
if (!logic_imm_decode_wmask(&imm, extract32(a->dbm, 12, 1),
extract32(a->dbm, 0, 6),
extract32(a->dbm, 6, 6))) {
return false;
}
return gen_gvec_fn_zzi(s, gvec_fn, MO_64, a->rd, a->rn, imm);
}
TRANS_FEAT(AND_zzi, aa64_sve, do_zz_dbm, a, tcg_gen_gvec_andi)
TRANS_FEAT(ORR_zzi, aa64_sve, do_zz_dbm, a, tcg_gen_gvec_ori)
TRANS_FEAT(EOR_zzi, aa64_sve, do_zz_dbm, a, tcg_gen_gvec_xori)
static bool trans_DUPM(DisasContext *s, arg_DUPM *a)
{
uint64_t imm;
if (!dc_isar_feature(aa64_sve, s)) {
return false;
}
if (!logic_imm_decode_wmask(&imm, extract32(a->dbm, 12, 1),
extract32(a->dbm, 0, 6),
extract32(a->dbm, 6, 6))) {
return false;
}
if (sve_access_check(s)) {
do_dupi_z(s, a->rd, imm);
}
return true;
}
/*
*** SVE Integer Wide Immediate - Predicated Group
*/
/* Implement all merging copies. This is used for CPY (immediate),
* FCPY, CPY (scalar), CPY (SIMD&FP scalar).
*/
static void do_cpy_m(DisasContext *s, int esz, int rd, int rn, int pg,
TCGv_i64 val)
{
typedef void gen_cpy(TCGv_ptr, TCGv_ptr, TCGv_ptr, TCGv_i64, TCGv_i32);
static gen_cpy * const fns[4] = {
gen_helper_sve_cpy_m_b, gen_helper_sve_cpy_m_h,
gen_helper_sve_cpy_m_s, gen_helper_sve_cpy_m_d,
};
unsigned vsz = vec_full_reg_size(s);
TCGv_i32 desc = tcg_constant_i32(simd_desc(vsz, vsz, 0));
TCGv_ptr t_zd = tcg_temp_new_ptr();
TCGv_ptr t_zn = tcg_temp_new_ptr();
TCGv_ptr t_pg = tcg_temp_new_ptr();
tcg_gen_addi_ptr(t_zd, cpu_env, vec_full_reg_offset(s, rd));
tcg_gen_addi_ptr(t_zn, cpu_env, vec_full_reg_offset(s, rn));
tcg_gen_addi_ptr(t_pg, cpu_env, pred_full_reg_offset(s, pg));
fns[esz](t_zd, t_zn, t_pg, val, desc);
}
static bool trans_FCPY(DisasContext *s, arg_FCPY *a)
{
if (a->esz == 0 || !dc_isar_feature(aa64_sve, s)) {
return false;
}
if (sve_access_check(s)) {
/* Decode the VFP immediate. */
uint64_t imm = vfp_expand_imm(a->esz, a->imm);
do_cpy_m(s, a->esz, a->rd, a->rn, a->pg, tcg_constant_i64(imm));
}
return true;
}
static bool trans_CPY_m_i(DisasContext *s, arg_rpri_esz *a)
{
if (!dc_isar_feature(aa64_sve, s)) {
return false;
}
if (sve_access_check(s)) {
do_cpy_m(s, a->esz, a->rd, a->rn, a->pg, tcg_constant_i64(a->imm));
}
return true;
}
static bool trans_CPY_z_i(DisasContext *s, arg_CPY_z_i *a)
{
static gen_helper_gvec_2i * const fns[4] = {
gen_helper_sve_cpy_z_b, gen_helper_sve_cpy_z_h,
gen_helper_sve_cpy_z_s, gen_helper_sve_cpy_z_d,
};
if (!dc_isar_feature(aa64_sve, s)) {
return false;
}
if (sve_access_check(s)) {
unsigned vsz = vec_full_reg_size(s);
tcg_gen_gvec_2i_ool(vec_full_reg_offset(s, a->rd),
pred_full_reg_offset(s, a->pg),
tcg_constant_i64(a->imm),
vsz, vsz, 0, fns[a->esz]);
}
return true;
}
/*
*** SVE Permute Extract Group
*/
static bool do_EXT(DisasContext *s, int rd, int rn, int rm, int imm)
{
if (!sve_access_check(s)) {
return true;
}
unsigned vsz = vec_full_reg_size(s);
unsigned n_ofs = imm >= vsz ? 0 : imm;
unsigned n_siz = vsz - n_ofs;
unsigned d = vec_full_reg_offset(s, rd);
unsigned n = vec_full_reg_offset(s, rn);
unsigned m = vec_full_reg_offset(s, rm);
/* Use host vector move insns if we have appropriate sizes
* and no unfortunate overlap.
*/
if (m != d
&& n_ofs == size_for_gvec(n_ofs)
&& n_siz == size_for_gvec(n_siz)
&& (d != n || n_siz <= n_ofs)) {
tcg_gen_gvec_mov(0, d, n + n_ofs, n_siz, n_siz);
if (n_ofs != 0) {
tcg_gen_gvec_mov(0, d + n_siz, m, n_ofs, n_ofs);
}
} else {
tcg_gen_gvec_3_ool(d, n, m, vsz, vsz, n_ofs, gen_helper_sve_ext);
}
return true;
}
TRANS_FEAT(EXT, aa64_sve, do_EXT, a->rd, a->rn, a->rm, a->imm)
TRANS_FEAT(EXT_sve2, aa64_sve2, do_EXT, a->rd, a->rn, (a->rn + 1) % 32, a->imm)
/*
*** SVE Permute - Unpredicated Group
*/
static bool trans_DUP_s(DisasContext *s, arg_DUP_s *a)
{
if (!dc_isar_feature(aa64_sve, s)) {
return false;
}
if (sve_access_check(s)) {
unsigned vsz = vec_full_reg_size(s);
tcg_gen_gvec_dup_i64(a->esz, vec_full_reg_offset(s, a->rd),
vsz, vsz, cpu_reg_sp(s, a->rn));
}
return true;
}
static bool trans_DUP_x(DisasContext *s, arg_DUP_x *a)
{
if (!dc_isar_feature(aa64_sve, s)) {
return false;
}
if ((a->imm & 0x1f) == 0) {
return false;
}
if (sve_access_check(s)) {
unsigned vsz = vec_full_reg_size(s);
unsigned dofs = vec_full_reg_offset(s, a->rd);
unsigned esz, index;
esz = ctz32(a->imm);
index = a->imm >> (esz + 1);
if ((index << esz) < vsz) {
unsigned nofs = vec_reg_offset(s, a->rn, index, esz);
tcg_gen_gvec_dup_mem(esz, dofs, nofs, vsz, vsz);
} else {
/*
* While dup_mem handles 128-bit elements, dup_imm does not.
* Thankfully element size doesn't matter for splatting zero.
*/
tcg_gen_gvec_dup_imm(MO_64, dofs, vsz, vsz, 0);
}
}
return true;
}
static void do_insr_i64(DisasContext *s, arg_rrr_esz *a, TCGv_i64 val)
{
typedef void gen_insr(TCGv_ptr, TCGv_ptr, TCGv_i64, TCGv_i32);
static gen_insr * const fns[4] = {
gen_helper_sve_insr_b, gen_helper_sve_insr_h,
gen_helper_sve_insr_s, gen_helper_sve_insr_d,
};
unsigned vsz = vec_full_reg_size(s);
TCGv_i32 desc = tcg_constant_i32(simd_desc(vsz, vsz, 0));
TCGv_ptr t_zd = tcg_temp_new_ptr();
TCGv_ptr t_zn = tcg_temp_new_ptr();
tcg_gen_addi_ptr(t_zd, cpu_env, vec_full_reg_offset(s, a->rd));
tcg_gen_addi_ptr(t_zn, cpu_env, vec_full_reg_offset(s, a->rn));
fns[a->esz](t_zd, t_zn, val, desc);
}
static bool trans_INSR_f(DisasContext *s, arg_rrr_esz *a)
{
if (!dc_isar_feature(aa64_sve, s)) {
return false;
}
if (sve_access_check(s)) {
TCGv_i64 t = tcg_temp_new_i64();
tcg_gen_ld_i64(t, cpu_env, vec_reg_offset(s, a->rm, 0, MO_64));
do_insr_i64(s, a, t);
}
return true;
}
static bool trans_INSR_r(DisasContext *s, arg_rrr_esz *a)
{
if (!dc_isar_feature(aa64_sve, s)) {
return false;
}
if (sve_access_check(s)) {
do_insr_i64(s, a, cpu_reg(s, a->rm));
}
return true;
}
static gen_helper_gvec_2 * const rev_fns[4] = {
gen_helper_sve_rev_b, gen_helper_sve_rev_h,
gen_helper_sve_rev_s, gen_helper_sve_rev_d
};
TRANS_FEAT(REV_v, aa64_sve, gen_gvec_ool_zz, rev_fns[a->esz], a->rd, a->rn, 0)
static gen_helper_gvec_3 * const sve_tbl_fns[4] = {
gen_helper_sve_tbl_b, gen_helper_sve_tbl_h,
gen_helper_sve_tbl_s, gen_helper_sve_tbl_d
};
TRANS_FEAT(TBL, aa64_sve, gen_gvec_ool_arg_zzz, sve_tbl_fns[a->esz], a, 0)
static gen_helper_gvec_4 * const sve2_tbl_fns[4] = {
gen_helper_sve2_tbl_b, gen_helper_sve2_tbl_h,
gen_helper_sve2_tbl_s, gen_helper_sve2_tbl_d
};
TRANS_FEAT(TBL_sve2, aa64_sve2, gen_gvec_ool_zzzz, sve2_tbl_fns[a->esz],
a->rd, a->rn, (a->rn + 1) % 32, a->rm, 0)
static gen_helper_gvec_3 * const tbx_fns[4] = {
gen_helper_sve2_tbx_b, gen_helper_sve2_tbx_h,
gen_helper_sve2_tbx_s, gen_helper_sve2_tbx_d
};
TRANS_FEAT(TBX, aa64_sve2, gen_gvec_ool_arg_zzz, tbx_fns[a->esz], a, 0)
static bool trans_UNPK(DisasContext *s, arg_UNPK *a)
{
static gen_helper_gvec_2 * const fns[4][2] = {
{ NULL, NULL },
{ gen_helper_sve_sunpk_h, gen_helper_sve_uunpk_h },
{ gen_helper_sve_sunpk_s, gen_helper_sve_uunpk_s },
{ gen_helper_sve_sunpk_d, gen_helper_sve_uunpk_d },
};
if (a->esz == 0 || !dc_isar_feature(aa64_sve, s)) {
return false;
}
if (sve_access_check(s)) {
unsigned vsz = vec_full_reg_size(s);
tcg_gen_gvec_2_ool(vec_full_reg_offset(s, a->rd),
vec_full_reg_offset(s, a->rn)
+ (a->h ? vsz / 2 : 0),
vsz, vsz, 0, fns[a->esz][a->u]);
}
return true;
}
/*
*** SVE Permute - Predicates Group
*/
static bool do_perm_pred3(DisasContext *s, arg_rrr_esz *a, bool high_odd,
gen_helper_gvec_3 *fn)
{
if (!sve_access_check(s)) {
return true;
}
unsigned vsz = pred_full_reg_size(s);
TCGv_ptr t_d = tcg_temp_new_ptr();
TCGv_ptr t_n = tcg_temp_new_ptr();
TCGv_ptr t_m = tcg_temp_new_ptr();
uint32_t desc = 0;
desc = FIELD_DP32(desc, PREDDESC, OPRSZ, vsz);
desc = FIELD_DP32(desc, PREDDESC, ESZ, a->esz);
desc = FIELD_DP32(desc, PREDDESC, DATA, high_odd);
tcg_gen_addi_ptr(t_d, cpu_env, pred_full_reg_offset(s, a->rd));
tcg_gen_addi_ptr(t_n, cpu_env, pred_full_reg_offset(s, a->rn));
tcg_gen_addi_ptr(t_m, cpu_env, pred_full_reg_offset(s, a->rm));
fn(t_d, t_n, t_m, tcg_constant_i32(desc));
return true;
}
static bool do_perm_pred2(DisasContext *s, arg_rr_esz *a, bool high_odd,
gen_helper_gvec_2 *fn)
{
if (!sve_access_check(s)) {
return true;
}
unsigned vsz = pred_full_reg_size(s);
TCGv_ptr t_d = tcg_temp_new_ptr();
TCGv_ptr t_n = tcg_temp_new_ptr();
uint32_t desc = 0;
tcg_gen_addi_ptr(t_d, cpu_env, pred_full_reg_offset(s, a->rd));
tcg_gen_addi_ptr(t_n, cpu_env, pred_full_reg_offset(s, a->rn));
desc = FIELD_DP32(desc, PREDDESC, OPRSZ, vsz);
desc = FIELD_DP32(desc, PREDDESC, ESZ, a->esz);
desc = FIELD_DP32(desc, PREDDESC, DATA, high_odd);
fn(t_d, t_n, tcg_constant_i32(desc));
return true;
}
TRANS_FEAT(ZIP1_p, aa64_sve, do_perm_pred3, a, 0, gen_helper_sve_zip_p)
TRANS_FEAT(ZIP2_p, aa64_sve, do_perm_pred3, a, 1, gen_helper_sve_zip_p)
TRANS_FEAT(UZP1_p, aa64_sve, do_perm_pred3, a, 0, gen_helper_sve_uzp_p)
TRANS_FEAT(UZP2_p, aa64_sve, do_perm_pred3, a, 1, gen_helper_sve_uzp_p)
TRANS_FEAT(TRN1_p, aa64_sve, do_perm_pred3, a, 0, gen_helper_sve_trn_p)
TRANS_FEAT(TRN2_p, aa64_sve, do_perm_pred3, a, 1, gen_helper_sve_trn_p)
TRANS_FEAT(REV_p, aa64_sve, do_perm_pred2, a, 0, gen_helper_sve_rev_p)
TRANS_FEAT(PUNPKLO, aa64_sve, do_perm_pred2, a, 0, gen_helper_sve_punpk_p)
TRANS_FEAT(PUNPKHI, aa64_sve, do_perm_pred2, a, 1, gen_helper_sve_punpk_p)
/*
*** SVE Permute - Interleaving Group
*/
static gen_helper_gvec_3 * const zip_fns[4] = {
gen_helper_sve_zip_b, gen_helper_sve_zip_h,
gen_helper_sve_zip_s, gen_helper_sve_zip_d,
};
TRANS_FEAT(ZIP1_z, aa64_sve, gen_gvec_ool_arg_zzz,
zip_fns[a->esz], a, 0)
TRANS_FEAT(ZIP2_z, aa64_sve, gen_gvec_ool_arg_zzz,
zip_fns[a->esz], a, vec_full_reg_size(s) / 2)
TRANS_FEAT(ZIP1_q, aa64_sve_f64mm, gen_gvec_ool_arg_zzz,
gen_helper_sve2_zip_q, a, 0)
TRANS_FEAT(ZIP2_q, aa64_sve_f64mm, gen_gvec_ool_arg_zzz,
gen_helper_sve2_zip_q, a,
QEMU_ALIGN_DOWN(vec_full_reg_size(s), 32) / 2)
static gen_helper_gvec_3 * const uzp_fns[4] = {
gen_helper_sve_uzp_b, gen_helper_sve_uzp_h,
gen_helper_sve_uzp_s, gen_helper_sve_uzp_d,
};
TRANS_FEAT(UZP1_z, aa64_sve, gen_gvec_ool_arg_zzz,
uzp_fns[a->esz], a, 0)
TRANS_FEAT(UZP2_z, aa64_sve, gen_gvec_ool_arg_zzz,
uzp_fns[a->esz], a, 1 << a->esz)
TRANS_FEAT(UZP1_q, aa64_sve_f64mm, gen_gvec_ool_arg_zzz,
gen_helper_sve2_uzp_q, a, 0)
TRANS_FEAT(UZP2_q, aa64_sve_f64mm, gen_gvec_ool_arg_zzz,
gen_helper_sve2_uzp_q, a, 16)
static gen_helper_gvec_3 * const trn_fns[4] = {
gen_helper_sve_trn_b, gen_helper_sve_trn_h,
gen_helper_sve_trn_s, gen_helper_sve_trn_d,
};
TRANS_FEAT(TRN1_z, aa64_sve, gen_gvec_ool_arg_zzz,
trn_fns[a->esz], a, 0)
TRANS_FEAT(TRN2_z, aa64_sve, gen_gvec_ool_arg_zzz,
trn_fns[a->esz], a, 1 << a->esz)
TRANS_FEAT(TRN1_q, aa64_sve_f64mm, gen_gvec_ool_arg_zzz,
gen_helper_sve2_trn_q, a, 0)
TRANS_FEAT(TRN2_q, aa64_sve_f64mm, gen_gvec_ool_arg_zzz,
gen_helper_sve2_trn_q, a, 16)
/*
*** SVE Permute Vector - Predicated Group
*/
static gen_helper_gvec_3 * const compact_fns[4] = {
NULL, NULL, gen_helper_sve_compact_s, gen_helper_sve_compact_d
};
TRANS_FEAT_NONSTREAMING(COMPACT, aa64_sve, gen_gvec_ool_arg_zpz,
compact_fns[a->esz], a, 0)
/* Call the helper that computes the ARM LastActiveElement pseudocode
* function, scaled by the element size. This includes the not found
* indication; e.g. not found for esz=3 is -8.
*/
static void find_last_active(DisasContext *s, TCGv_i32 ret, int esz, int pg)
{
/* Predicate sizes may be smaller and cannot use simd_desc. We cannot
* round up, as we do elsewhere, because we need the exact size.
*/
TCGv_ptr t_p = tcg_temp_new_ptr();
unsigned desc = 0;
desc = FIELD_DP32(desc, PREDDESC, OPRSZ, pred_full_reg_size(s));
desc = FIELD_DP32(desc, PREDDESC, ESZ, esz);
tcg_gen_addi_ptr(t_p, cpu_env, pred_full_reg_offset(s, pg));
gen_helper_sve_last_active_element(ret, t_p, tcg_constant_i32(desc));
}
/* Increment LAST to the offset of the next element in the vector,
* wrapping around to 0.
*/
static void incr_last_active(DisasContext *s, TCGv_i32 last, int esz)
{
unsigned vsz = vec_full_reg_size(s);
tcg_gen_addi_i32(last, last, 1 << esz);
if (is_power_of_2(vsz)) {
tcg_gen_andi_i32(last, last, vsz - 1);
} else {
TCGv_i32 max = tcg_constant_i32(vsz);
TCGv_i32 zero = tcg_constant_i32(0);
tcg_gen_movcond_i32(TCG_COND_GEU, last, last, max, zero, last);
}
}
/* If LAST < 0, set LAST to the offset of the last element in the vector. */
static void wrap_last_active(DisasContext *s, TCGv_i32 last, int esz)
{
unsigned vsz = vec_full_reg_size(s);
if (is_power_of_2(vsz)) {
tcg_gen_andi_i32(last, last, vsz - 1);
} else {
TCGv_i32 max = tcg_constant_i32(vsz - (1 << esz));
TCGv_i32 zero = tcg_constant_i32(0);
tcg_gen_movcond_i32(TCG_COND_LT, last, last, zero, max, last);
}
}
/* Load an unsigned element of ESZ from BASE+OFS. */
static TCGv_i64 load_esz(TCGv_ptr base, int ofs, int esz)
{
TCGv_i64 r = tcg_temp_new_i64();
switch (esz) {
case 0:
tcg_gen_ld8u_i64(r, base, ofs);
break;
case 1:
tcg_gen_ld16u_i64(r, base, ofs);
break;
case 2:
tcg_gen_ld32u_i64(r, base, ofs);
break;
case 3:
tcg_gen_ld_i64(r, base, ofs);
break;
default:
g_assert_not_reached();
}
return r;
}
/* Load an unsigned element of ESZ from RM[LAST]. */
static TCGv_i64 load_last_active(DisasContext *s, TCGv_i32 last,
int rm, int esz)
{
TCGv_ptr p = tcg_temp_new_ptr();
/* Convert offset into vector into offset into ENV.
* The final adjustment for the vector register base
* is added via constant offset to the load.
*/
#if HOST_BIG_ENDIAN
/* Adjust for element ordering. See vec_reg_offset. */
if (esz < 3) {
tcg_gen_xori_i32(last, last, 8 - (1 << esz));
}
#endif
tcg_gen_ext_i32_ptr(p, last);
tcg_gen_add_ptr(p, p, cpu_env);
return load_esz(p, vec_full_reg_offset(s, rm), esz);
}
/* Compute CLAST for a Zreg. */
static bool do_clast_vector(DisasContext *s, arg_rprr_esz *a, bool before)
{
TCGv_i32 last;
TCGLabel *over;
TCGv_i64 ele;
unsigned vsz, esz = a->esz;
if (!sve_access_check(s)) {
return true;
}
last = tcg_temp_new_i32();
over = gen_new_label();
find_last_active(s, last, esz, a->pg);
/* There is of course no movcond for a 2048-bit vector,
* so we must branch over the actual store.
*/
tcg_gen_brcondi_i32(TCG_COND_LT, last, 0, over);
if (!before) {
incr_last_active(s, last, esz);
}
ele = load_last_active(s, last, a->rm, esz);
vsz = vec_full_reg_size(s);
tcg_gen_gvec_dup_i64(esz, vec_full_reg_offset(s, a->rd), vsz, vsz, ele);
/* If this insn used MOVPRFX, we may need a second move. */
if (a->rd != a->rn) {
TCGLabel *done = gen_new_label();
tcg_gen_br(done);
gen_set_label(over);
do_mov_z(s, a->rd, a->rn);
gen_set_label(done);
} else {
gen_set_label(over);
}
return true;
}
TRANS_FEAT(CLASTA_z, aa64_sve, do_clast_vector, a, false)
TRANS_FEAT(CLASTB_z, aa64_sve, do_clast_vector, a, true)
/* Compute CLAST for a scalar. */
static void do_clast_scalar(DisasContext *s, int esz, int pg, int rm,
bool before, TCGv_i64 reg_val)
{
TCGv_i32 last = tcg_temp_new_i32();
TCGv_i64 ele, cmp;
find_last_active(s, last, esz, pg);
/* Extend the original value of last prior to incrementing. */
cmp = tcg_temp_new_i64();
tcg_gen_ext_i32_i64(cmp, last);
if (!before) {
incr_last_active(s, last, esz);
}
/* The conceit here is that while last < 0 indicates not found, after
* adjusting for cpu_env->vfp.zregs[rm], it is still a valid address
* from which we can load garbage. We then discard the garbage with
* a conditional move.
*/
ele = load_last_active(s, last, rm, esz);
tcg_gen_movcond_i64(TCG_COND_GE, reg_val, cmp, tcg_constant_i64(0),
ele, reg_val);
}
/* Compute CLAST for a Vreg. */
static bool do_clast_fp(DisasContext *s, arg_rpr_esz *a, bool before)
{
if (sve_access_check(s)) {
int esz = a->esz;
int ofs = vec_reg_offset(s, a->rd, 0, esz);
TCGv_i64 reg = load_esz(cpu_env, ofs, esz);
do_clast_scalar(s, esz, a->pg, a->rn, before, reg);
write_fp_dreg(s, a->rd, reg);
}
return true;
}
TRANS_FEAT(CLASTA_v, aa64_sve, do_clast_fp, a, false)
TRANS_FEAT(CLASTB_v, aa64_sve, do_clast_fp, a, true)
/* Compute CLAST for a Xreg. */
static bool do_clast_general(DisasContext *s, arg_rpr_esz *a, bool before)
{
TCGv_i64 reg;
if (!sve_access_check(s)) {
return true;
}
reg = cpu_reg(s, a->rd);
switch (a->esz) {
case 0:
tcg_gen_ext8u_i64(reg, reg);
break;
case 1:
tcg_gen_ext16u_i64(reg, reg);
break;
case 2:
tcg_gen_ext32u_i64(reg, reg);
break;
case 3:
break;
default:
g_assert_not_reached();
}
do_clast_scalar(s, a->esz, a->pg, a->rn, before, reg);
return true;
}
TRANS_FEAT(CLASTA_r, aa64_sve, do_clast_general, a, false)
TRANS_FEAT(CLASTB_r, aa64_sve, do_clast_general, a, true)
/* Compute LAST for a scalar. */
static TCGv_i64 do_last_scalar(DisasContext *s, int esz,
int pg, int rm, bool before)
{
TCGv_i32 last = tcg_temp_new_i32();
find_last_active(s, last, esz, pg);
if (before) {
wrap_last_active(s, last, esz);
} else {
incr_last_active(s, last, esz);
}
return load_last_active(s, last, rm, esz);
}
/* Compute LAST for a Vreg. */
static bool do_last_fp(DisasContext *s, arg_rpr_esz *a, bool before)
{
if (sve_access_check(s)) {
TCGv_i64 val = do_last_scalar(s, a->esz, a->pg, a->rn, before);
write_fp_dreg(s, a->rd, val);
}
return true;
}
TRANS_FEAT(LASTA_v, aa64_sve, do_last_fp, a, false)
TRANS_FEAT(LASTB_v, aa64_sve, do_last_fp, a, true)
/* Compute LAST for a Xreg. */
static bool do_last_general(DisasContext *s, arg_rpr_esz *a, bool before)
{
if (sve_access_check(s)) {
TCGv_i64 val = do_last_scalar(s, a->esz, a->pg, a->rn, before);
tcg_gen_mov_i64(cpu_reg(s, a->rd), val);
}
return true;
}
TRANS_FEAT(LASTA_r, aa64_sve, do_last_general, a, false)
TRANS_FEAT(LASTB_r, aa64_sve, do_last_general, a, true)
static bool trans_CPY_m_r(DisasContext *s, arg_rpr_esz *a)
{
if (!dc_isar_feature(aa64_sve, s)) {
return false;
}
if (sve_access_check(s)) {
do_cpy_m(s, a->esz, a->rd, a->rd, a->pg, cpu_reg_sp(s, a->rn));
}
return true;
}
static bool trans_CPY_m_v(DisasContext *s, arg_rpr_esz *a)
{
if (!dc_isar_feature(aa64_sve, s)) {
return false;
}
if (sve_access_check(s)) {
int ofs = vec_reg_offset(s, a->rn, 0, a->esz);
TCGv_i64 t = load_esz(cpu_env, ofs, a->esz);
do_cpy_m(s, a->esz, a->rd, a->rd, a->pg, t);
}
return true;
}
static gen_helper_gvec_3 * const revb_fns[4] = {
NULL, gen_helper_sve_revb_h,
gen_helper_sve_revb_s, gen_helper_sve_revb_d,
};
TRANS_FEAT(REVB, aa64_sve, gen_gvec_ool_arg_zpz, revb_fns[a->esz], a, 0)
static gen_helper_gvec_3 * const revh_fns[4] = {
NULL, NULL, gen_helper_sve_revh_s, gen_helper_sve_revh_d,
};
TRANS_FEAT(REVH, aa64_sve, gen_gvec_ool_arg_zpz, revh_fns[a->esz], a, 0)
TRANS_FEAT(REVW, aa64_sve, gen_gvec_ool_arg_zpz,
a->esz == 3 ? gen_helper_sve_revw_d : NULL, a, 0)
TRANS_FEAT(REVD, aa64_sme, gen_gvec_ool_arg_zpz, gen_helper_sme_revd_q, a, 0)
TRANS_FEAT(SPLICE, aa64_sve, gen_gvec_ool_arg_zpzz,
gen_helper_sve_splice, a, a->esz)
TRANS_FEAT(SPLICE_sve2, aa64_sve2, gen_gvec_ool_zzzp, gen_helper_sve_splice,
a->rd, a->rn, (a->rn + 1) % 32, a->pg, a->esz)
/*
*** SVE Integer Compare - Vectors Group
*/
static bool do_ppzz_flags(DisasContext *s, arg_rprr_esz *a,
gen_helper_gvec_flags_4 *gen_fn)
{
TCGv_ptr pd, zn, zm, pg;
unsigned vsz;
TCGv_i32 t;
if (gen_fn == NULL) {
return false;
}
if (!sve_access_check(s)) {
return true;
}
vsz = vec_full_reg_size(s);
t = tcg_temp_new_i32();
pd = tcg_temp_new_ptr();
zn = tcg_temp_new_ptr();
zm = tcg_temp_new_ptr();
pg = tcg_temp_new_ptr();
tcg_gen_addi_ptr(pd, cpu_env, pred_full_reg_offset(s, a->rd));
tcg_gen_addi_ptr(zn, cpu_env, vec_full_reg_offset(s, a->rn));
tcg_gen_addi_ptr(zm, cpu_env, vec_full_reg_offset(s, a->rm));
tcg_gen_addi_ptr(pg, cpu_env, pred_full_reg_offset(s, a->pg));
gen_fn(t, pd, zn, zm, pg, tcg_constant_i32(simd_desc(vsz, vsz, 0)));
do_pred_flags(t);
return true;
}
#define DO_PPZZ(NAME, name) \
static gen_helper_gvec_flags_4 * const name##_ppzz_fns[4] = { \
gen_helper_sve_##name##_ppzz_b, gen_helper_sve_##name##_ppzz_h, \
gen_helper_sve_##name##_ppzz_s, gen_helper_sve_##name##_ppzz_d, \
}; \
TRANS_FEAT(NAME##_ppzz, aa64_sve, do_ppzz_flags, \
a, name##_ppzz_fns[a->esz])
DO_PPZZ(CMPEQ, cmpeq)
DO_PPZZ(CMPNE, cmpne)
DO_PPZZ(CMPGT, cmpgt)
DO_PPZZ(CMPGE, cmpge)
DO_PPZZ(CMPHI, cmphi)
DO_PPZZ(CMPHS, cmphs)
#undef DO_PPZZ
#define DO_PPZW(NAME, name) \
static gen_helper_gvec_flags_4 * const name##_ppzw_fns[4] = { \
gen_helper_sve_##name##_ppzw_b, gen_helper_sve_##name##_ppzw_h, \
gen_helper_sve_##name##_ppzw_s, NULL \
}; \
TRANS_FEAT(NAME##_ppzw, aa64_sve, do_ppzz_flags, \
a, name##_ppzw_fns[a->esz])
DO_PPZW(CMPEQ, cmpeq)
DO_PPZW(CMPNE, cmpne)
DO_PPZW(CMPGT, cmpgt)
DO_PPZW(CMPGE, cmpge)
DO_PPZW(CMPHI, cmphi)
DO_PPZW(CMPHS, cmphs)
DO_PPZW(CMPLT, cmplt)
DO_PPZW(CMPLE, cmple)
DO_PPZW(CMPLO, cmplo)
DO_PPZW(CMPLS, cmpls)
#undef DO_PPZW
/*
*** SVE Integer Compare - Immediate Groups
*/
static bool do_ppzi_flags(DisasContext *s, arg_rpri_esz *a,
gen_helper_gvec_flags_3 *gen_fn)
{
TCGv_ptr pd, zn, pg;
unsigned vsz;
TCGv_i32 t;
if (gen_fn == NULL) {
return false;
}
if (!sve_access_check(s)) {
return true;
}
vsz = vec_full_reg_size(s);
t = tcg_temp_new_i32();
pd = tcg_temp_new_ptr();
zn = tcg_temp_new_ptr();
pg = tcg_temp_new_ptr();
tcg_gen_addi_ptr(pd, cpu_env, pred_full_reg_offset(s, a->rd));
tcg_gen_addi_ptr(zn, cpu_env, vec_full_reg_offset(s, a->rn));
tcg_gen_addi_ptr(pg, cpu_env, pred_full_reg_offset(s, a->pg));
gen_fn(t, pd, zn, pg, tcg_constant_i32(simd_desc(vsz, vsz, a->imm)));
do_pred_flags(t);
return true;
}
#define DO_PPZI(NAME, name) \
static gen_helper_gvec_flags_3 * const name##_ppzi_fns[4] = { \
gen_helper_sve_##name##_ppzi_b, gen_helper_sve_##name##_ppzi_h, \
gen_helper_sve_##name##_ppzi_s, gen_helper_sve_##name##_ppzi_d, \
}; \
TRANS_FEAT(NAME##_ppzi, aa64_sve, do_ppzi_flags, a, \
name##_ppzi_fns[a->esz])
DO_PPZI(CMPEQ, cmpeq)
DO_PPZI(CMPNE, cmpne)
DO_PPZI(CMPGT, cmpgt)
DO_PPZI(CMPGE, cmpge)
DO_PPZI(CMPHI, cmphi)
DO_PPZI(CMPHS, cmphs)
DO_PPZI(CMPLT, cmplt)
DO_PPZI(CMPLE, cmple)
DO_PPZI(CMPLO, cmplo)
DO_PPZI(CMPLS, cmpls)
#undef DO_PPZI
/*
*** SVE Partition Break Group
*/
static bool do_brk3(DisasContext *s, arg_rprr_s *a,
gen_helper_gvec_4 *fn, gen_helper_gvec_flags_4 *fn_s)
{
if (!sve_access_check(s)) {
return true;
}
unsigned vsz = pred_full_reg_size(s);
/* Predicate sizes may be smaller and cannot use simd_desc. */
TCGv_ptr d = tcg_temp_new_ptr();
TCGv_ptr n = tcg_temp_new_ptr();
TCGv_ptr m = tcg_temp_new_ptr();
TCGv_ptr g = tcg_temp_new_ptr();
TCGv_i32 desc = tcg_constant_i32(FIELD_DP32(0, PREDDESC, OPRSZ, vsz));
tcg_gen_addi_ptr(d, cpu_env, pred_full_reg_offset(s, a->rd));
tcg_gen_addi_ptr(n, cpu_env, pred_full_reg_offset(s, a->rn));
tcg_gen_addi_ptr(m, cpu_env, pred_full_reg_offset(s, a->rm));
tcg_gen_addi_ptr(g, cpu_env, pred_full_reg_offset(s, a->pg));
if (a->s) {
TCGv_i32 t = tcg_temp_new_i32();
fn_s(t, d, n, m, g, desc);
do_pred_flags(t);
} else {
fn(d, n, m, g, desc);
}
return true;
}
static bool do_brk2(DisasContext *s, arg_rpr_s *a,
gen_helper_gvec_3 *fn, gen_helper_gvec_flags_3 *fn_s)
{
if (!sve_access_check(s)) {
return true;
}
unsigned vsz = pred_full_reg_size(s);
/* Predicate sizes may be smaller and cannot use simd_desc. */
TCGv_ptr d = tcg_temp_new_ptr();
TCGv_ptr n = tcg_temp_new_ptr();
TCGv_ptr g = tcg_temp_new_ptr();
TCGv_i32 desc = tcg_constant_i32(FIELD_DP32(0, PREDDESC, OPRSZ, vsz));
tcg_gen_addi_ptr(d, cpu_env, pred_full_reg_offset(s, a->rd));
tcg_gen_addi_ptr(n, cpu_env, pred_full_reg_offset(s, a->rn));
tcg_gen_addi_ptr(g, cpu_env, pred_full_reg_offset(s, a->pg));
if (a->s) {
TCGv_i32 t = tcg_temp_new_i32();
fn_s(t, d, n, g, desc);
do_pred_flags(t);
} else {
fn(d, n, g, desc);
}
return true;
}
TRANS_FEAT(BRKPA, aa64_sve, do_brk3, a,
gen_helper_sve_brkpa, gen_helper_sve_brkpas)
TRANS_FEAT(BRKPB, aa64_sve, do_brk3, a,
gen_helper_sve_brkpb, gen_helper_sve_brkpbs)
TRANS_FEAT(BRKA_m, aa64_sve, do_brk2, a,
gen_helper_sve_brka_m, gen_helper_sve_brkas_m)
TRANS_FEAT(BRKB_m, aa64_sve, do_brk2, a,
gen_helper_sve_brkb_m, gen_helper_sve_brkbs_m)
TRANS_FEAT(BRKA_z, aa64_sve, do_brk2, a,
gen_helper_sve_brka_z, gen_helper_sve_brkas_z)
TRANS_FEAT(BRKB_z, aa64_sve, do_brk2, a,
gen_helper_sve_brkb_z, gen_helper_sve_brkbs_z)
TRANS_FEAT(BRKN, aa64_sve, do_brk2, a,
gen_helper_sve_brkn, gen_helper_sve_brkns)
/*
*** SVE Predicate Count Group
*/
static void do_cntp(DisasContext *s, TCGv_i64 val, int esz, int pn, int pg)
{
unsigned psz = pred_full_reg_size(s);
if (psz <= 8) {
uint64_t psz_mask;
tcg_gen_ld_i64(val, cpu_env, pred_full_reg_offset(s, pn));
if (pn != pg) {
TCGv_i64 g = tcg_temp_new_i64();
tcg_gen_ld_i64(g, cpu_env, pred_full_reg_offset(s, pg));
tcg_gen_and_i64(val, val, g);
}
/* Reduce the pred_esz_masks value simply to reduce the
* size of the code generated here.
*/
psz_mask = MAKE_64BIT_MASK(0, psz * 8);
tcg_gen_andi_i64(val, val, pred_esz_masks[esz] & psz_mask);
tcg_gen_ctpop_i64(val, val);
} else {
TCGv_ptr t_pn = tcg_temp_new_ptr();
TCGv_ptr t_pg = tcg_temp_new_ptr();
unsigned desc = 0;
desc = FIELD_DP32(desc, PREDDESC, OPRSZ, psz);
desc = FIELD_DP32(desc, PREDDESC, ESZ, esz);
tcg_gen_addi_ptr(t_pn, cpu_env, pred_full_reg_offset(s, pn));
tcg_gen_addi_ptr(t_pg, cpu_env, pred_full_reg_offset(s, pg));
gen_helper_sve_cntp(val, t_pn, t_pg, tcg_constant_i32(desc));
}
}
static bool trans_CNTP(DisasContext *s, arg_CNTP *a)
{
if (!dc_isar_feature(aa64_sve, s)) {
return false;
}
if (sve_access_check(s)) {
do_cntp(s, cpu_reg(s, a->rd), a->esz, a->rn, a->pg);
}
return true;
}
static bool trans_INCDECP_r(DisasContext *s, arg_incdec_pred *a)
{
if (!dc_isar_feature(aa64_sve, s)) {
return false;
}
if (sve_access_check(s)) {
TCGv_i64 reg = cpu_reg(s, a->rd);
TCGv_i64 val = tcg_temp_new_i64();
do_cntp(s, val, a->esz, a->pg, a->pg);
if (a->d) {
tcg_gen_sub_i64(reg, reg, val);
} else {
tcg_gen_add_i64(reg, reg, val);
}
}
return true;
}
static bool trans_INCDECP_z(DisasContext *s, arg_incdec2_pred *a)
{
if (a->esz == 0 || !dc_isar_feature(aa64_sve, s)) {
return false;
}
if (sve_access_check(s)) {
unsigned vsz = vec_full_reg_size(s);
TCGv_i64 val = tcg_temp_new_i64();
GVecGen2sFn *gvec_fn = a->d ? tcg_gen_gvec_subs : tcg_gen_gvec_adds;
do_cntp(s, val, a->esz, a->pg, a->pg);
gvec_fn(a->esz, vec_full_reg_offset(s, a->rd),
vec_full_reg_offset(s, a->rn), val, vsz, vsz);
}
return true;
}
static bool trans_SINCDECP_r_32(DisasContext *s, arg_incdec_pred *a)
{
if (!dc_isar_feature(aa64_sve, s)) {
return false;
}
if (sve_access_check(s)) {
TCGv_i64 reg = cpu_reg(s, a->rd);
TCGv_i64 val = tcg_temp_new_i64();
do_cntp(s, val, a->esz, a->pg, a->pg);
do_sat_addsub_32(reg, val, a->u, a->d);
}
return true;
}
static bool trans_SINCDECP_r_64(DisasContext *s, arg_incdec_pred *a)
{
if (!dc_isar_feature(aa64_sve, s)) {
return false;
}
if (sve_access_check(s)) {
TCGv_i64 reg = cpu_reg(s, a->rd);
TCGv_i64 val = tcg_temp_new_i64();
do_cntp(s, val, a->esz, a->pg, a->pg);
do_sat_addsub_64(reg, val, a->u, a->d);
}
return true;
}
static bool trans_SINCDECP_z(DisasContext *s, arg_incdec2_pred *a)
{
if (a->esz == 0 || !dc_isar_feature(aa64_sve, s)) {
return false;
}
if (sve_access_check(s)) {
TCGv_i64 val = tcg_temp_new_i64();
do_cntp(s, val, a->esz, a->pg, a->pg);
do_sat_addsub_vec(s, a->esz, a->rd, a->rn, val, a->u, a->d);
}
return true;
}
/*
*** SVE Integer Compare Scalars Group
*/
static bool trans_CTERM(DisasContext *s, arg_CTERM *a)
{
if (!dc_isar_feature(aa64_sve, s)) {
return false;
}
if (!sve_access_check(s)) {
return true;
}
TCGCond cond = (a->ne ? TCG_COND_NE : TCG_COND_EQ);
TCGv_i64 rn = read_cpu_reg(s, a->rn, a->sf);
TCGv_i64 rm = read_cpu_reg(s, a->rm, a->sf);
TCGv_i64 cmp = tcg_temp_new_i64();
tcg_gen_setcond_i64(cond, cmp, rn, rm);
tcg_gen_extrl_i64_i32(cpu_NF, cmp);
/* VF = !NF & !CF. */
tcg_gen_xori_i32(cpu_VF, cpu_NF, 1);
tcg_gen_andc_i32(cpu_VF, cpu_VF, cpu_CF);
/* Both NF and VF actually look at bit 31. */
tcg_gen_neg_i32(cpu_NF, cpu_NF);
tcg_gen_neg_i32(cpu_VF, cpu_VF);
return true;
}
static bool trans_WHILE(DisasContext *s, arg_WHILE *a)
{
TCGv_i64 op0, op1, t0, t1, tmax;
TCGv_i32 t2;
TCGv_ptr ptr;
unsigned vsz = vec_full_reg_size(s);
unsigned desc = 0;
TCGCond cond;
uint64_t maxval;
/* Note that GE/HS has a->eq == 0 and GT/HI has a->eq == 1. */
bool eq = a->eq == a->lt;
/* The greater-than conditions are all SVE2. */
if (a->lt
? !dc_isar_feature(aa64_sve, s)
: !dc_isar_feature(aa64_sve2, s)) {
return false;
}
if (!sve_access_check(s)) {
return true;
}
op0 = read_cpu_reg(s, a->rn, 1);
op1 = read_cpu_reg(s, a->rm, 1);
if (!a->sf) {
if (a->u) {
tcg_gen_ext32u_i64(op0, op0);
tcg_gen_ext32u_i64(op1, op1);
} else {
tcg_gen_ext32s_i64(op0, op0);
tcg_gen_ext32s_i64(op1, op1);
}
}
/* For the helper, compress the different conditions into a computation
* of how many iterations for which the condition is true.
*/
t0 = tcg_temp_new_i64();
t1 = tcg_temp_new_i64();
if (a->lt) {
tcg_gen_sub_i64(t0, op1, op0);
if (a->u) {
maxval = a->sf ? UINT64_MAX : UINT32_MAX;
cond = eq ? TCG_COND_LEU : TCG_COND_LTU;
} else {
maxval = a->sf ? INT64_MAX : INT32_MAX;
cond = eq ? TCG_COND_LE : TCG_COND_LT;
}
} else {
tcg_gen_sub_i64(t0, op0, op1);
if (a->u) {
maxval = 0;
cond = eq ? TCG_COND_GEU : TCG_COND_GTU;
} else {
maxval = a->sf ? INT64_MIN : INT32_MIN;
cond = eq ? TCG_COND_GE : TCG_COND_GT;
}
}
tmax = tcg_constant_i64(vsz >> a->esz);
if (eq) {
/* Equality means one more iteration. */
tcg_gen_addi_i64(t0, t0, 1);
/*
* For the less-than while, if op1 is maxval (and the only time
* the addition above could overflow), then we produce an all-true
* predicate by setting the count to the vector length. This is
* because the pseudocode is described as an increment + compare
* loop, and the maximum integer would always compare true.
* Similarly, the greater-than while has the same issue with the
* minimum integer due to the decrement + compare loop.
*/
tcg_gen_movi_i64(t1, maxval);
tcg_gen_movcond_i64(TCG_COND_EQ, t0, op1, t1, tmax, t0);
}
/* Bound to the maximum. */
tcg_gen_umin_i64(t0, t0, tmax);
/* Set the count to zero if the condition is false. */
tcg_gen_movi_i64(t1, 0);
tcg_gen_movcond_i64(cond, t0, op0, op1, t0, t1);
/* Since we're bounded, pass as a 32-bit type. */
t2 = tcg_temp_new_i32();
tcg_gen_extrl_i64_i32(t2, t0);
/* Scale elements to bits. */
tcg_gen_shli_i32(t2, t2, a->esz);
desc = FIELD_DP32(desc, PREDDESC, OPRSZ, vsz / 8);
desc = FIELD_DP32(desc, PREDDESC, ESZ, a->esz);
ptr = tcg_temp_new_ptr();
tcg_gen_addi_ptr(ptr, cpu_env, pred_full_reg_offset(s, a->rd));
if (a->lt) {
gen_helper_sve_whilel(t2, ptr, t2, tcg_constant_i32(desc));
} else {
gen_helper_sve_whileg(t2, ptr, t2, tcg_constant_i32(desc));
}
do_pred_flags(t2);
return true;
}
static bool trans_WHILE_ptr(DisasContext *s, arg_WHILE_ptr *a)
{
TCGv_i64 op0, op1, diff, t1, tmax;
TCGv_i32 t2;
TCGv_ptr ptr;
unsigned vsz = vec_full_reg_size(s);
unsigned desc = 0;
if (!dc_isar_feature(aa64_sve2, s)) {
return false;
}
if (!sve_access_check(s)) {
return true;
}
op0 = read_cpu_reg(s, a->rn, 1);
op1 = read_cpu_reg(s, a->rm, 1);
tmax = tcg_constant_i64(vsz);
diff = tcg_temp_new_i64();
if (a->rw) {
/* WHILERW */
/* diff = abs(op1 - op0), noting that op0/1 are unsigned. */
t1 = tcg_temp_new_i64();
tcg_gen_sub_i64(diff, op0, op1);
tcg_gen_sub_i64(t1, op1, op0);
tcg_gen_movcond_i64(TCG_COND_GEU, diff, op0, op1, diff, t1);
/* Round down to a multiple of ESIZE. */
tcg_gen_andi_i64(diff, diff, -1 << a->esz);
/* If op1 == op0, diff == 0, and the condition is always true. */
tcg_gen_movcond_i64(TCG_COND_EQ, diff, op0, op1, tmax, diff);
} else {
/* WHILEWR */
tcg_gen_sub_i64(diff, op1, op0);
/* Round down to a multiple of ESIZE. */
tcg_gen_andi_i64(diff, diff, -1 << a->esz);
/* If op0 >= op1, diff <= 0, the condition is always true. */
tcg_gen_movcond_i64(TCG_COND_GEU, diff, op0, op1, tmax, diff);
}
/* Bound to the maximum. */
tcg_gen_umin_i64(diff, diff, tmax);
/* Since we're bounded, pass as a 32-bit type. */
t2 = tcg_temp_new_i32();
tcg_gen_extrl_i64_i32(t2, diff);
desc = FIELD_DP32(desc, PREDDESC, OPRSZ, vsz / 8);
desc = FIELD_DP32(desc, PREDDESC, ESZ, a->esz);
ptr = tcg_temp_new_ptr();
tcg_gen_addi_ptr(ptr, cpu_env, pred_full_reg_offset(s, a->rd));
gen_helper_sve_whilel(t2, ptr, t2, tcg_constant_i32(desc));
do_pred_flags(t2);
return true;
}
/*
*** SVE Integer Wide Immediate - Unpredicated Group
*/
static bool trans_FDUP(DisasContext *s, arg_FDUP *a)
{
if (a->esz == 0 || !dc_isar_feature(aa64_sve, s)) {
return false;
}
if (sve_access_check(s)) {
unsigned vsz = vec_full_reg_size(s);
int dofs = vec_full_reg_offset(s, a->rd);
uint64_t imm;
/* Decode the VFP immediate. */
imm = vfp_expand_imm(a->esz, a->imm);
tcg_gen_gvec_dup_imm(a->esz, dofs, vsz, vsz, imm);
}
return true;
}
static bool trans_DUP_i(DisasContext *s, arg_DUP_i *a)
{
if (!dc_isar_feature(aa64_sve, s)) {
return false;
}
if (sve_access_check(s)) {
unsigned vsz = vec_full_reg_size(s);
int dofs = vec_full_reg_offset(s, a->rd);
tcg_gen_gvec_dup_imm(a->esz, dofs, vsz, vsz, a->imm);
}
return true;
}
TRANS_FEAT(ADD_zzi, aa64_sve, gen_gvec_fn_arg_zzi, tcg_gen_gvec_addi, a)
static bool trans_SUB_zzi(DisasContext *s, arg_rri_esz *a)
{
a->imm = -a->imm;
return trans_ADD_zzi(s, a);
}
static bool trans_SUBR_zzi(DisasContext *s, arg_rri_esz *a)
{
static const TCGOpcode vecop_list[] = { INDEX_op_sub_vec, 0 };
static const GVecGen2s op[4] = {
{ .fni8 = tcg_gen_vec_sub8_i64,
.fniv = tcg_gen_sub_vec,
.fno = gen_helper_sve_subri_b,
.opt_opc = vecop_list,
.vece = MO_8,
.scalar_first = true },
{ .fni8 = tcg_gen_vec_sub16_i64,
.fniv = tcg_gen_sub_vec,
.fno = gen_helper_sve_subri_h,
.opt_opc = vecop_list,
.vece = MO_16,
.scalar_first = true },
{ .fni4 = tcg_gen_sub_i32,
.fniv = tcg_gen_sub_vec,
.fno = gen_helper_sve_subri_s,
.opt_opc = vecop_list,
.vece = MO_32,
.scalar_first = true },
{ .fni8 = tcg_gen_sub_i64,
.fniv = tcg_gen_sub_vec,
.fno = gen_helper_sve_subri_d,
.opt_opc = vecop_list,
.prefer_i64 = TCG_TARGET_REG_BITS == 64,
.vece = MO_64,
.scalar_first = true }
};
if (!dc_isar_feature(aa64_sve, s)) {
return false;
}
if (sve_access_check(s)) {
unsigned vsz = vec_full_reg_size(s);
tcg_gen_gvec_2s(vec_full_reg_offset(s, a->rd),
vec_full_reg_offset(s, a->rn),
vsz, vsz, tcg_constant_i64(a->imm), &op[a->esz]);
}
return true;
}
TRANS_FEAT(MUL_zzi, aa64_sve, gen_gvec_fn_arg_zzi, tcg_gen_gvec_muli, a)
static bool do_zzi_sat(DisasContext *s, arg_rri_esz *a, bool u, bool d)
{
if (sve_access_check(s)) {
do_sat_addsub_vec(s, a->esz, a->rd, a->rn,
tcg_constant_i64(a->imm), u, d);
}
return true;
}
TRANS_FEAT(SQADD_zzi, aa64_sve, do_zzi_sat, a, false, false)
TRANS_FEAT(UQADD_zzi, aa64_sve, do_zzi_sat, a, true, false)
TRANS_FEAT(SQSUB_zzi, aa64_sve, do_zzi_sat, a, false, true)
TRANS_FEAT(UQSUB_zzi, aa64_sve, do_zzi_sat, a, true, true)
static bool do_zzi_ool(DisasContext *s, arg_rri_esz *a, gen_helper_gvec_2i *fn)
{
if (sve_access_check(s)) {
unsigned vsz = vec_full_reg_size(s);
tcg_gen_gvec_2i_ool(vec_full_reg_offset(s, a->rd),
vec_full_reg_offset(s, a->rn),
tcg_constant_i64(a->imm), vsz, vsz, 0, fn);
}
return true;
}
#define DO_ZZI(NAME, name) \
static gen_helper_gvec_2i * const name##i_fns[4] = { \
gen_helper_sve_##name##i_b, gen_helper_sve_##name##i_h, \
gen_helper_sve_##name##i_s, gen_helper_sve_##name##i_d, \
}; \
TRANS_FEAT(NAME##_zzi, aa64_sve, do_zzi_ool, a, name##i_fns[a->esz])
DO_ZZI(SMAX, smax)
DO_ZZI(UMAX, umax)
DO_ZZI(SMIN, smin)
DO_ZZI(UMIN, umin)
#undef DO_ZZI
static gen_helper_gvec_4 * const dot_fns[2][2] = {
{ gen_helper_gvec_sdot_b, gen_helper_gvec_sdot_h },
{ gen_helper_gvec_udot_b, gen_helper_gvec_udot_h }
};
TRANS_FEAT(DOT_zzzz, aa64_sve, gen_gvec_ool_zzzz,
dot_fns[a->u][a->sz], a->rd, a->rn, a->rm, a->ra, 0)
/*
* SVE Multiply - Indexed
*/
TRANS_FEAT(SDOT_zzxw_s, aa64_sve, gen_gvec_ool_arg_zzxz,
gen_helper_gvec_sdot_idx_b, a)
TRANS_FEAT(SDOT_zzxw_d, aa64_sve, gen_gvec_ool_arg_zzxz,
gen_helper_gvec_sdot_idx_h, a)
TRANS_FEAT(UDOT_zzxw_s, aa64_sve, gen_gvec_ool_arg_zzxz,
gen_helper_gvec_udot_idx_b, a)
TRANS_FEAT(UDOT_zzxw_d, aa64_sve, gen_gvec_ool_arg_zzxz,
gen_helper_gvec_udot_idx_h, a)
TRANS_FEAT(SUDOT_zzxw_s, aa64_sve_i8mm, gen_gvec_ool_arg_zzxz,
gen_helper_gvec_sudot_idx_b, a)
TRANS_FEAT(USDOT_zzxw_s, aa64_sve_i8mm, gen_gvec_ool_arg_zzxz,
gen_helper_gvec_usdot_idx_b, a)
#define DO_SVE2_RRX(NAME, FUNC) \
TRANS_FEAT(NAME, aa64_sve, gen_gvec_ool_zzz, FUNC, \
a->rd, a->rn, a->rm, a->index)
DO_SVE2_RRX(MUL_zzx_h, gen_helper_gvec_mul_idx_h)
DO_SVE2_RRX(MUL_zzx_s, gen_helper_gvec_mul_idx_s)
DO_SVE2_RRX(MUL_zzx_d, gen_helper_gvec_mul_idx_d)
DO_SVE2_RRX(SQDMULH_zzx_h, gen_helper_sve2_sqdmulh_idx_h)
DO_SVE2_RRX(SQDMULH_zzx_s, gen_helper_sve2_sqdmulh_idx_s)
DO_SVE2_RRX(SQDMULH_zzx_d, gen_helper_sve2_sqdmulh_idx_d)
DO_SVE2_RRX(SQRDMULH_zzx_h, gen_helper_sve2_sqrdmulh_idx_h)
DO_SVE2_RRX(SQRDMULH_zzx_s, gen_helper_sve2_sqrdmulh_idx_s)
DO_SVE2_RRX(SQRDMULH_zzx_d, gen_helper_sve2_sqrdmulh_idx_d)
#undef DO_SVE2_RRX
#define DO_SVE2_RRX_TB(NAME, FUNC, TOP) \
TRANS_FEAT(NAME, aa64_sve, gen_gvec_ool_zzz, FUNC, \
a->rd, a->rn, a->rm, (a->index << 1) | TOP)
DO_SVE2_RRX_TB(SQDMULLB_zzx_s, gen_helper_sve2_sqdmull_idx_s, false)
DO_SVE2_RRX_TB(SQDMULLB_zzx_d, gen_helper_sve2_sqdmull_idx_d, false)
DO_SVE2_RRX_TB(SQDMULLT_zzx_s, gen_helper_sve2_sqdmull_idx_s, true)
DO_SVE2_RRX_TB(SQDMULLT_zzx_d, gen_helper_sve2_sqdmull_idx_d, true)
DO_SVE2_RRX_TB(SMULLB_zzx_s, gen_helper_sve2_smull_idx_s, false)
DO_SVE2_RRX_TB(SMULLB_zzx_d, gen_helper_sve2_smull_idx_d, false)
DO_SVE2_RRX_TB(SMULLT_zzx_s, gen_helper_sve2_smull_idx_s, true)
DO_SVE2_RRX_TB(SMULLT_zzx_d, gen_helper_sve2_smull_idx_d, true)
DO_SVE2_RRX_TB(UMULLB_zzx_s, gen_helper_sve2_umull_idx_s, false)
DO_SVE2_RRX_TB(UMULLB_zzx_d, gen_helper_sve2_umull_idx_d, false)
DO_SVE2_RRX_TB(UMULLT_zzx_s, gen_helper_sve2_umull_idx_s, true)
DO_SVE2_RRX_TB(UMULLT_zzx_d, gen_helper_sve2_umull_idx_d, true)
#undef DO_SVE2_RRX_TB
#define DO_SVE2_RRXR(NAME, FUNC) \
TRANS_FEAT(NAME, aa64_sve2, gen_gvec_ool_arg_zzxz, FUNC, a)
DO_SVE2_RRXR(MLA_zzxz_h, gen_helper_gvec_mla_idx_h)
DO_SVE2_RRXR(MLA_zzxz_s, gen_helper_gvec_mla_idx_s)
DO_SVE2_RRXR(MLA_zzxz_d, gen_helper_gvec_mla_idx_d)
DO_SVE2_RRXR(MLS_zzxz_h, gen_helper_gvec_mls_idx_h)
DO_SVE2_RRXR(MLS_zzxz_s, gen_helper_gvec_mls_idx_s)
DO_SVE2_RRXR(MLS_zzxz_d, gen_helper_gvec_mls_idx_d)
DO_SVE2_RRXR(SQRDMLAH_zzxz_h, gen_helper_sve2_sqrdmlah_idx_h)
DO_SVE2_RRXR(SQRDMLAH_zzxz_s, gen_helper_sve2_sqrdmlah_idx_s)
DO_SVE2_RRXR(SQRDMLAH_zzxz_d, gen_helper_sve2_sqrdmlah_idx_d)
DO_SVE2_RRXR(SQRDMLSH_zzxz_h, gen_helper_sve2_sqrdmlsh_idx_h)
DO_SVE2_RRXR(SQRDMLSH_zzxz_s, gen_helper_sve2_sqrdmlsh_idx_s)
DO_SVE2_RRXR(SQRDMLSH_zzxz_d, gen_helper_sve2_sqrdmlsh_idx_d)
#undef DO_SVE2_RRXR
#define DO_SVE2_RRXR_TB(NAME, FUNC, TOP) \
TRANS_FEAT(NAME, aa64_sve2, gen_gvec_ool_zzzz, FUNC, \
a->rd, a->rn, a->rm, a->ra, (a->index << 1) | TOP)
DO_SVE2_RRXR_TB(SQDMLALB_zzxw_s, gen_helper_sve2_sqdmlal_idx_s, false)
DO_SVE2_RRXR_TB(SQDMLALB_zzxw_d, gen_helper_sve2_sqdmlal_idx_d, false)
DO_SVE2_RRXR_TB(SQDMLALT_zzxw_s, gen_helper_sve2_sqdmlal_idx_s, true)
DO_SVE2_RRXR_TB(SQDMLALT_zzxw_d, gen_helper_sve2_sqdmlal_idx_d, true)
DO_SVE2_RRXR_TB(SQDMLSLB_zzxw_s, gen_helper_sve2_sqdmlsl_idx_s, false)
DO_SVE2_RRXR_TB(SQDMLSLB_zzxw_d, gen_helper_sve2_sqdmlsl_idx_d, false)
DO_SVE2_RRXR_TB(SQDMLSLT_zzxw_s, gen_helper_sve2_sqdmlsl_idx_s, true)
DO_SVE2_RRXR_TB(SQDMLSLT_zzxw_d, gen_helper_sve2_sqdmlsl_idx_d, true)
DO_SVE2_RRXR_TB(SMLALB_zzxw_s, gen_helper_sve2_smlal_idx_s, false)
DO_SVE2_RRXR_TB(SMLALB_zzxw_d, gen_helper_sve2_smlal_idx_d, false)
DO_SVE2_RRXR_TB(SMLALT_zzxw_s, gen_helper_sve2_smlal_idx_s, true)
DO_SVE2_RRXR_TB(SMLALT_zzxw_d, gen_helper_sve2_smlal_idx_d, true)
DO_SVE2_RRXR_TB(UMLALB_zzxw_s, gen_helper_sve2_umlal_idx_s, false)
DO_SVE2_RRXR_TB(UMLALB_zzxw_d, gen_helper_sve2_umlal_idx_d, false)
DO_SVE2_RRXR_TB(UMLALT_zzxw_s, gen_helper_sve2_umlal_idx_s, true)
DO_SVE2_RRXR_TB(UMLALT_zzxw_d, gen_helper_sve2_umlal_idx_d, true)
DO_SVE2_RRXR_TB(SMLSLB_zzxw_s, gen_helper_sve2_smlsl_idx_s, false)
DO_SVE2_RRXR_TB(SMLSLB_zzxw_d, gen_helper_sve2_smlsl_idx_d, false)
DO_SVE2_RRXR_TB(SMLSLT_zzxw_s, gen_helper_sve2_smlsl_idx_s, true)
DO_SVE2_RRXR_TB(SMLSLT_zzxw_d, gen_helper_sve2_smlsl_idx_d, true)
DO_SVE2_RRXR_TB(UMLSLB_zzxw_s, gen_helper_sve2_umlsl_idx_s, false)
DO_SVE2_RRXR_TB(UMLSLB_zzxw_d, gen_helper_sve2_umlsl_idx_d, false)
DO_SVE2_RRXR_TB(UMLSLT_zzxw_s, gen_helper_sve2_umlsl_idx_s, true)
DO_SVE2_RRXR_TB(UMLSLT_zzxw_d, gen_helper_sve2_umlsl_idx_d, true)
#undef DO_SVE2_RRXR_TB
#define DO_SVE2_RRXR_ROT(NAME, FUNC) \
TRANS_FEAT(NAME, aa64_sve2, gen_gvec_ool_zzzz, FUNC, \
a->rd, a->rn, a->rm, a->ra, (a->index << 2) | a->rot)
DO_SVE2_RRXR_ROT(CMLA_zzxz_h, gen_helper_sve2_cmla_idx_h)
DO_SVE2_RRXR_ROT(CMLA_zzxz_s, gen_helper_sve2_cmla_idx_s)
DO_SVE2_RRXR_ROT(SQRDCMLAH_zzxz_h, gen_helper_sve2_sqrdcmlah_idx_h)
DO_SVE2_RRXR_ROT(SQRDCMLAH_zzxz_s, gen_helper_sve2_sqrdcmlah_idx_s)
DO_SVE2_RRXR_ROT(CDOT_zzxw_s, gen_helper_sve2_cdot_idx_s)
DO_SVE2_RRXR_ROT(CDOT_zzxw_d, gen_helper_sve2_cdot_idx_d)
#undef DO_SVE2_RRXR_ROT
/*
*** SVE Floating Point Multiply-Add Indexed Group
*/
static bool do_FMLA_zzxz(DisasContext *s, arg_rrxr_esz *a, bool sub)
{
static gen_helper_gvec_4_ptr * const fns[4] = {
NULL,
gen_helper_gvec_fmla_idx_h,
gen_helper_gvec_fmla_idx_s,
gen_helper_gvec_fmla_idx_d,
};
return gen_gvec_fpst_zzzz(s, fns[a->esz], a->rd, a->rn, a->rm, a->ra,
(a->index << 1) | sub,
a->esz == MO_16 ? FPST_FPCR_F16 : FPST_FPCR);
}
TRANS_FEAT(FMLA_zzxz, aa64_sve, do_FMLA_zzxz, a, false)
TRANS_FEAT(FMLS_zzxz, aa64_sve, do_FMLA_zzxz, a, true)
/*
*** SVE Floating Point Multiply Indexed Group
*/
static gen_helper_gvec_3_ptr * const fmul_idx_fns[4] = {
NULL, gen_helper_gvec_fmul_idx_h,
gen_helper_gvec_fmul_idx_s, gen_helper_gvec_fmul_idx_d,
};
TRANS_FEAT(FMUL_zzx, aa64_sve, gen_gvec_fpst_zzz,
fmul_idx_fns[a->esz], a->rd, a->rn, a->rm, a->index,
a->esz == MO_16 ? FPST_FPCR_F16 : FPST_FPCR)
/*
*** SVE Floating Point Fast Reduction Group
*/
typedef void gen_helper_fp_reduce(TCGv_i64, TCGv_ptr, TCGv_ptr,
TCGv_ptr, TCGv_i32);
static bool do_reduce(DisasContext *s, arg_rpr_esz *a,
gen_helper_fp_reduce *fn)
{
unsigned vsz, p2vsz;
TCGv_i32 t_desc;
TCGv_ptr t_zn, t_pg, status;
TCGv_i64 temp;
if (fn == NULL) {
return false;
}
if (!sve_access_check(s)) {
return true;
}
vsz = vec_full_reg_size(s);
p2vsz = pow2ceil(vsz);
t_desc = tcg_constant_i32(simd_desc(vsz, vsz, p2vsz));
temp = tcg_temp_new_i64();
t_zn = tcg_temp_new_ptr();
t_pg = tcg_temp_new_ptr();
tcg_gen_addi_ptr(t_zn, cpu_env, vec_full_reg_offset(s, a->rn));
tcg_gen_addi_ptr(t_pg, cpu_env, pred_full_reg_offset(s, a->pg));
status = fpstatus_ptr(a->esz == MO_16 ? FPST_FPCR_F16 : FPST_FPCR);
fn(temp, t_zn, t_pg, status, t_desc);
write_fp_dreg(s, a->rd, temp);
return true;
}
#define DO_VPZ(NAME, name) \
static gen_helper_fp_reduce * const name##_fns[4] = { \
NULL, gen_helper_sve_##name##_h, \
gen_helper_sve_##name##_s, gen_helper_sve_##name##_d, \
}; \
TRANS_FEAT(NAME, aa64_sve, do_reduce, a, name##_fns[a->esz])
DO_VPZ(FADDV, faddv)
DO_VPZ(FMINNMV, fminnmv)
DO_VPZ(FMAXNMV, fmaxnmv)
DO_VPZ(FMINV, fminv)
DO_VPZ(FMAXV, fmaxv)
#undef DO_VPZ
/*
*** SVE Floating Point Unary Operations - Unpredicated Group
*/
static gen_helper_gvec_2_ptr * const frecpe_fns[] = {
NULL, gen_helper_gvec_frecpe_h,
gen_helper_gvec_frecpe_s, gen_helper_gvec_frecpe_d,
};
TRANS_FEAT(FRECPE, aa64_sve, gen_gvec_fpst_arg_zz, frecpe_fns[a->esz], a, 0)
static gen_helper_gvec_2_ptr * const frsqrte_fns[] = {
NULL, gen_helper_gvec_frsqrte_h,
gen_helper_gvec_frsqrte_s, gen_helper_gvec_frsqrte_d,
};
TRANS_FEAT(FRSQRTE, aa64_sve, gen_gvec_fpst_arg_zz, frsqrte_fns[a->esz], a, 0)
/*
*** SVE Floating Point Compare with Zero Group
*/
static bool do_ppz_fp(DisasContext *s, arg_rpr_esz *a,
gen_helper_gvec_3_ptr *fn)
{
if (fn == NULL) {
return false;
}
if (sve_access_check(s)) {
unsigned vsz = vec_full_reg_size(s);
TCGv_ptr status =
fpstatus_ptr(a->esz == MO_16 ? FPST_FPCR_F16 : FPST_FPCR);
tcg_gen_gvec_3_ptr(pred_full_reg_offset(s, a->rd),
vec_full_reg_offset(s, a->rn),
pred_full_reg_offset(s, a->pg),
status, vsz, vsz, 0, fn);
}
return true;
}
#define DO_PPZ(NAME, name) \
static gen_helper_gvec_3_ptr * const name##_fns[] = { \
NULL, gen_helper_sve_##name##_h, \
gen_helper_sve_##name##_s, gen_helper_sve_##name##_d, \
}; \
TRANS_FEAT(NAME, aa64_sve, do_ppz_fp, a, name##_fns[a->esz])
DO_PPZ(FCMGE_ppz0, fcmge0)
DO_PPZ(FCMGT_ppz0, fcmgt0)
DO_PPZ(FCMLE_ppz0, fcmle0)
DO_PPZ(FCMLT_ppz0, fcmlt0)
DO_PPZ(FCMEQ_ppz0, fcmeq0)
DO_PPZ(FCMNE_ppz0, fcmne0)
#undef DO_PPZ
/*
*** SVE floating-point trig multiply-add coefficient
*/
static gen_helper_gvec_3_ptr * const ftmad_fns[4] = {
NULL, gen_helper_sve_ftmad_h,
gen_helper_sve_ftmad_s, gen_helper_sve_ftmad_d,
};
TRANS_FEAT_NONSTREAMING(FTMAD, aa64_sve, gen_gvec_fpst_zzz,
ftmad_fns[a->esz], a->rd, a->rn, a->rm, a->imm,
a->esz == MO_16 ? FPST_FPCR_F16 : FPST_FPCR)
/*
*** SVE Floating Point Accumulating Reduction Group
*/
static bool trans_FADDA(DisasContext *s, arg_rprr_esz *a)
{
typedef void fadda_fn(TCGv_i64, TCGv_i64, TCGv_ptr,
TCGv_ptr, TCGv_ptr, TCGv_i32);
static fadda_fn * const fns[3] = {
gen_helper_sve_fadda_h,
gen_helper_sve_fadda_s,
gen_helper_sve_fadda_d,
};
unsigned vsz = vec_full_reg_size(s);
TCGv_ptr t_rm, t_pg, t_fpst;
TCGv_i64 t_val;
TCGv_i32 t_desc;
if (a->esz == 0 || !dc_isar_feature(aa64_sve, s)) {
return false;
}
s->is_nonstreaming = true;
if (!sve_access_check(s)) {
return true;
}
t_val = load_esz(cpu_env, vec_reg_offset(s, a->rn, 0, a->esz), a->esz);
t_rm = tcg_temp_new_ptr();
t_pg = tcg_temp_new_ptr();
tcg_gen_addi_ptr(t_rm, cpu_env, vec_full_reg_offset(s, a->rm));
tcg_gen_addi_ptr(t_pg, cpu_env, pred_full_reg_offset(s, a->pg));
t_fpst = fpstatus_ptr(a->esz == MO_16 ? FPST_FPCR_F16 : FPST_FPCR);
t_desc = tcg_constant_i32(simd_desc(vsz, vsz, 0));
fns[a->esz - 1](t_val, t_val, t_rm, t_pg, t_fpst, t_desc);
write_fp_dreg(s, a->rd, t_val);
return true;
}
/*
*** SVE Floating Point Arithmetic - Unpredicated Group
*/
#define DO_FP3(NAME, name) \
static gen_helper_gvec_3_ptr * const name##_fns[4] = { \
NULL, gen_helper_gvec_##name##_h, \
gen_helper_gvec_##name##_s, gen_helper_gvec_##name##_d \
}; \
TRANS_FEAT(NAME, aa64_sve, gen_gvec_fpst_arg_zzz, name##_fns[a->esz], a, 0)
DO_FP3(FADD_zzz, fadd)
DO_FP3(FSUB_zzz, fsub)
DO_FP3(FMUL_zzz, fmul)
DO_FP3(FRECPS, recps)
DO_FP3(FRSQRTS, rsqrts)
#undef DO_FP3
static gen_helper_gvec_3_ptr * const ftsmul_fns[4] = {
NULL, gen_helper_gvec_ftsmul_h,
gen_helper_gvec_ftsmul_s, gen_helper_gvec_ftsmul_d
};
TRANS_FEAT_NONSTREAMING(FTSMUL, aa64_sve, gen_gvec_fpst_arg_zzz,
ftsmul_fns[a->esz], a, 0)
/*
*** SVE Floating Point Arithmetic - Predicated Group
*/
#define DO_ZPZZ_FP(NAME, FEAT, name) \
static gen_helper_gvec_4_ptr * const name##_zpzz_fns[4] = { \
NULL, gen_helper_##name##_h, \
gen_helper_##name##_s, gen_helper_##name##_d \
}; \
TRANS_FEAT(NAME, FEAT, gen_gvec_fpst_arg_zpzz, name##_zpzz_fns[a->esz], a)
DO_ZPZZ_FP(FADD_zpzz, aa64_sve, sve_fadd)
DO_ZPZZ_FP(FSUB_zpzz, aa64_sve, sve_fsub)
DO_ZPZZ_FP(FMUL_zpzz, aa64_sve, sve_fmul)
DO_ZPZZ_FP(FMIN_zpzz, aa64_sve, sve_fmin)
DO_ZPZZ_FP(FMAX_zpzz, aa64_sve, sve_fmax)
DO_ZPZZ_FP(FMINNM_zpzz, aa64_sve, sve_fminnum)
DO_ZPZZ_FP(FMAXNM_zpzz, aa64_sve, sve_fmaxnum)
DO_ZPZZ_FP(FABD, aa64_sve, sve_fabd)
DO_ZPZZ_FP(FSCALE, aa64_sve, sve_fscalbn)
DO_ZPZZ_FP(FDIV, aa64_sve, sve_fdiv)
DO_ZPZZ_FP(FMULX, aa64_sve, sve_fmulx)
typedef void gen_helper_sve_fp2scalar(TCGv_ptr, TCGv_ptr, TCGv_ptr,
TCGv_i64, TCGv_ptr, TCGv_i32);
static void do_fp_scalar(DisasContext *s, int zd, int zn, int pg, bool is_fp16,
TCGv_i64 scalar, gen_helper_sve_fp2scalar *fn)
{
unsigned vsz = vec_full_reg_size(s);
TCGv_ptr t_zd, t_zn, t_pg, status;
TCGv_i32 desc;
t_zd = tcg_temp_new_ptr();
t_zn = tcg_temp_new_ptr();
t_pg = tcg_temp_new_ptr();
tcg_gen_addi_ptr(t_zd, cpu_env, vec_full_reg_offset(s, zd));
tcg_gen_addi_ptr(t_zn, cpu_env, vec_full_reg_offset(s, zn));
tcg_gen_addi_ptr(t_pg, cpu_env, pred_full_reg_offset(s, pg));
status = fpstatus_ptr(is_fp16 ? FPST_FPCR_F16 : FPST_FPCR);
desc = tcg_constant_i32(simd_desc(vsz, vsz, 0));
fn(t_zd, t_zn, t_pg, scalar, status, desc);
}
static bool do_fp_imm(DisasContext *s, arg_rpri_esz *a, uint64_t imm,
gen_helper_sve_fp2scalar *fn)
{
if (fn == NULL) {
return false;
}
if (sve_access_check(s)) {
do_fp_scalar(s, a->rd, a->rn, a->pg, a->esz == MO_16,
tcg_constant_i64(imm), fn);
}
return true;
}
#define DO_FP_IMM(NAME, name, const0, const1) \
static gen_helper_sve_fp2scalar * const name##_fns[4] = { \
NULL, gen_helper_sve_##name##_h, \
gen_helper_sve_##name##_s, \
gen_helper_sve_##name##_d \
}; \
static uint64_t const name##_const[4][2] = { \
{ -1, -1 }, \
{ float16_##const0, float16_##const1 }, \
{ float32_##const0, float32_##const1 }, \
{ float64_##const0, float64_##const1 }, \
}; \
TRANS_FEAT(NAME##_zpzi, aa64_sve, do_fp_imm, a, \
name##_const[a->esz][a->imm], name##_fns[a->esz])
DO_FP_IMM(FADD, fadds, half, one)
DO_FP_IMM(FSUB, fsubs, half, one)
DO_FP_IMM(FMUL, fmuls, half, two)
DO_FP_IMM(FSUBR, fsubrs, half, one)
DO_FP_IMM(FMAXNM, fmaxnms, zero, one)
DO_FP_IMM(FMINNM, fminnms, zero, one)
DO_FP_IMM(FMAX, fmaxs, zero, one)
DO_FP_IMM(FMIN, fmins, zero, one)
#undef DO_FP_IMM
static bool do_fp_cmp(DisasContext *s, arg_rprr_esz *a,
gen_helper_gvec_4_ptr *fn)
{
if (fn == NULL) {
return false;
}
if (sve_access_check(s)) {
unsigned vsz = vec_full_reg_size(s);
TCGv_ptr status = fpstatus_ptr(a->esz == MO_16 ? FPST_FPCR_F16 : FPST_FPCR);
tcg_gen_gvec_4_ptr(pred_full_reg_offset(s, a->rd),
vec_full_reg_offset(s, a->rn),
vec_full_reg_offset(s, a->rm),
pred_full_reg_offset(s, a->pg),
status, vsz, vsz, 0, fn);
}
return true;
}
#define DO_FPCMP(NAME, name) \
static gen_helper_gvec_4_ptr * const name##_fns[4] = { \
NULL, gen_helper_sve_##name##_h, \
gen_helper_sve_##name##_s, gen_helper_sve_##name##_d \
}; \
TRANS_FEAT(NAME##_ppzz, aa64_sve, do_fp_cmp, a, name##_fns[a->esz])
DO_FPCMP(FCMGE, fcmge)
DO_FPCMP(FCMGT, fcmgt)
DO_FPCMP(FCMEQ, fcmeq)
DO_FPCMP(FCMNE, fcmne)
DO_FPCMP(FCMUO, fcmuo)
DO_FPCMP(FACGE, facge)
DO_FPCMP(FACGT, facgt)
#undef DO_FPCMP
static gen_helper_gvec_4_ptr * const fcadd_fns[] = {
NULL, gen_helper_sve_fcadd_h,
gen_helper_sve_fcadd_s, gen_helper_sve_fcadd_d,
};
TRANS_FEAT(FCADD, aa64_sve, gen_gvec_fpst_zzzp, fcadd_fns[a->esz],
a->rd, a->rn, a->rm, a->pg, a->rot,
a->esz == MO_16 ? FPST_FPCR_F16 : FPST_FPCR)
#define DO_FMLA(NAME, name) \
static gen_helper_gvec_5_ptr * const name##_fns[4] = { \
NULL, gen_helper_sve_##name##_h, \
gen_helper_sve_##name##_s, gen_helper_sve_##name##_d \
}; \
TRANS_FEAT(NAME, aa64_sve, gen_gvec_fpst_zzzzp, name##_fns[a->esz], \
a->rd, a->rn, a->rm, a->ra, a->pg, 0, \
a->esz == MO_16 ? FPST_FPCR_F16 : FPST_FPCR)
DO_FMLA(FMLA_zpzzz, fmla_zpzzz)
DO_FMLA(FMLS_zpzzz, fmls_zpzzz)
DO_FMLA(FNMLA_zpzzz, fnmla_zpzzz)
DO_FMLA(FNMLS_zpzzz, fnmls_zpzzz)
#undef DO_FMLA
static gen_helper_gvec_5_ptr * const fcmla_fns[4] = {
NULL, gen_helper_sve_fcmla_zpzzz_h,
gen_helper_sve_fcmla_zpzzz_s, gen_helper_sve_fcmla_zpzzz_d,
};
TRANS_FEAT(FCMLA_zpzzz, aa64_sve, gen_gvec_fpst_zzzzp, fcmla_fns[a->esz],
a->rd, a->rn, a->rm, a->ra, a->pg, a->rot,
a->esz == MO_16 ? FPST_FPCR_F16 : FPST_FPCR)
static gen_helper_gvec_4_ptr * const fcmla_idx_fns[4] = {
NULL, gen_helper_gvec_fcmlah_idx, gen_helper_gvec_fcmlas_idx, NULL
};
TRANS_FEAT(FCMLA_zzxz, aa64_sve, gen_gvec_fpst_zzzz, fcmla_idx_fns[a->esz],
a->rd, a->rn, a->rm, a->ra, a->index * 4 + a->rot,
a->esz == MO_16 ? FPST_FPCR_F16 : FPST_FPCR)
/*
*** SVE Floating Point Unary Operations Predicated Group
*/
TRANS_FEAT(FCVT_sh, aa64_sve, gen_gvec_fpst_arg_zpz,
gen_helper_sve_fcvt_sh, a, 0, FPST_FPCR)
TRANS_FEAT(FCVT_hs, aa64_sve, gen_gvec_fpst_arg_zpz,
gen_helper_sve_fcvt_hs, a, 0, FPST_FPCR)
TRANS_FEAT(BFCVT, aa64_sve_bf16, gen_gvec_fpst_arg_zpz,
gen_helper_sve_bfcvt, a, 0, FPST_FPCR)
TRANS_FEAT(FCVT_dh, aa64_sve, gen_gvec_fpst_arg_zpz,
gen_helper_sve_fcvt_dh, a, 0, FPST_FPCR)
TRANS_FEAT(FCVT_hd, aa64_sve, gen_gvec_fpst_arg_zpz,
gen_helper_sve_fcvt_hd, a, 0, FPST_FPCR)
TRANS_FEAT(FCVT_ds, aa64_sve, gen_gvec_fpst_arg_zpz,
gen_helper_sve_fcvt_ds, a, 0, FPST_FPCR)
TRANS_FEAT(FCVT_sd, aa64_sve, gen_gvec_fpst_arg_zpz,
gen_helper_sve_fcvt_sd, a, 0, FPST_FPCR)
TRANS_FEAT(FCVTZS_hh, aa64_sve, gen_gvec_fpst_arg_zpz,
gen_helper_sve_fcvtzs_hh, a, 0, FPST_FPCR_F16)
TRANS_FEAT(FCVTZU_hh, aa64_sve, gen_gvec_fpst_arg_zpz,
gen_helper_sve_fcvtzu_hh, a, 0, FPST_FPCR_F16)
TRANS_FEAT(FCVTZS_hs, aa64_sve, gen_gvec_fpst_arg_zpz,
gen_helper_sve_fcvtzs_hs, a, 0, FPST_FPCR_F16)
TRANS_FEAT(FCVTZU_hs, aa64_sve, gen_gvec_fpst_arg_zpz,
gen_helper_sve_fcvtzu_hs, a, 0, FPST_FPCR_F16)
TRANS_FEAT(FCVTZS_hd, aa64_sve, gen_gvec_fpst_arg_zpz,
gen_helper_sve_fcvtzs_hd, a, 0, FPST_FPCR_F16)
TRANS_FEAT(FCVTZU_hd, aa64_sve, gen_gvec_fpst_arg_zpz,
gen_helper_sve_fcvtzu_hd, a, 0, FPST_FPCR_F16)
TRANS_FEAT(FCVTZS_ss, aa64_sve, gen_gvec_fpst_arg_zpz,
gen_helper_sve_fcvtzs_ss, a, 0, FPST_FPCR)
TRANS_FEAT(FCVTZU_ss, aa64_sve, gen_gvec_fpst_arg_zpz,
gen_helper_sve_fcvtzu_ss, a, 0, FPST_FPCR)
TRANS_FEAT(FCVTZS_sd, aa64_sve, gen_gvec_fpst_arg_zpz,
gen_helper_sve_fcvtzs_sd, a, 0, FPST_FPCR)
TRANS_FEAT(FCVTZU_sd, aa64_sve, gen_gvec_fpst_arg_zpz,
gen_helper_sve_fcvtzu_sd, a, 0, FPST_FPCR)
TRANS_FEAT(FCVTZS_ds, aa64_sve, gen_gvec_fpst_arg_zpz,
gen_helper_sve_fcvtzs_ds, a, 0, FPST_FPCR)
TRANS_FEAT(FCVTZU_ds, aa64_sve, gen_gvec_fpst_arg_zpz,
gen_helper_sve_fcvtzu_ds, a, 0, FPST_FPCR)
TRANS_FEAT(FCVTZS_dd, aa64_sve, gen_gvec_fpst_arg_zpz,
gen_helper_sve_fcvtzs_dd, a, 0, FPST_FPCR)
TRANS_FEAT(FCVTZU_dd, aa64_sve, gen_gvec_fpst_arg_zpz,
gen_helper_sve_fcvtzu_dd, a, 0, FPST_FPCR)
static gen_helper_gvec_3_ptr * const frint_fns[] = {
NULL,
gen_helper_sve_frint_h,
gen_helper_sve_frint_s,
gen_helper_sve_frint_d
};
TRANS_FEAT(FRINTI, aa64_sve, gen_gvec_fpst_arg_zpz, frint_fns[a->esz],
a, 0, a->esz == MO_16 ? FPST_FPCR_F16 : FPST_FPCR)
static gen_helper_gvec_3_ptr * const frintx_fns[] = {
NULL,
gen_helper_sve_frintx_h,
gen_helper_sve_frintx_s,
gen_helper_sve_frintx_d
};
TRANS_FEAT(FRINTX, aa64_sve, gen_gvec_fpst_arg_zpz, frintx_fns[a->esz],
a, 0, a->esz == MO_16 ? FPST_FPCR_F16 : FPST_FPCR);
static bool do_frint_mode(DisasContext *s, arg_rpr_esz *a,
ARMFPRounding mode, gen_helper_gvec_3_ptr *fn)
{
unsigned vsz;
TCGv_i32 tmode;
TCGv_ptr status;
if (fn == NULL) {
return false;
}
if (!sve_access_check(s)) {
return true;
}
vsz = vec_full_reg_size(s);
status = fpstatus_ptr(a->esz == MO_16 ? FPST_FPCR_F16 : FPST_FPCR);
tmode = gen_set_rmode(mode, status);
tcg_gen_gvec_3_ptr(vec_full_reg_offset(s, a->rd),
vec_full_reg_offset(s, a->rn),
pred_full_reg_offset(s, a->pg),
status, vsz, vsz, 0, fn);
gen_restore_rmode(tmode, status);
return true;
}
TRANS_FEAT(FRINTN, aa64_sve, do_frint_mode, a,
FPROUNDING_TIEEVEN, frint_fns[a->esz])
TRANS_FEAT(FRINTP, aa64_sve, do_frint_mode, a,
FPROUNDING_POSINF, frint_fns[a->esz])
TRANS_FEAT(FRINTM, aa64_sve, do_frint_mode, a,
FPROUNDING_NEGINF, frint_fns[a->esz])
TRANS_FEAT(FRINTZ, aa64_sve, do_frint_mode, a,
FPROUNDING_ZERO, frint_fns[a->esz])
TRANS_FEAT(FRINTA, aa64_sve, do_frint_mode, a,
FPROUNDING_TIEAWAY, frint_fns[a->esz])
static gen_helper_gvec_3_ptr * const frecpx_fns[] = {
NULL, gen_helper_sve_frecpx_h,
gen_helper_sve_frecpx_s, gen_helper_sve_frecpx_d,
};
TRANS_FEAT(FRECPX, aa64_sve, gen_gvec_fpst_arg_zpz, frecpx_fns[a->esz],
a, 0, a->esz == MO_16 ? FPST_FPCR_F16 : FPST_FPCR)
static gen_helper_gvec_3_ptr * const fsqrt_fns[] = {
NULL, gen_helper_sve_fsqrt_h,
gen_helper_sve_fsqrt_s, gen_helper_sve_fsqrt_d,
};
TRANS_FEAT(FSQRT, aa64_sve, gen_gvec_fpst_arg_zpz, fsqrt_fns[a->esz],
a, 0, a->esz == MO_16 ? FPST_FPCR_F16 : FPST_FPCR)
TRANS_FEAT(SCVTF_hh, aa64_sve, gen_gvec_fpst_arg_zpz,
gen_helper_sve_scvt_hh, a, 0, FPST_FPCR_F16)
TRANS_FEAT(SCVTF_sh, aa64_sve, gen_gvec_fpst_arg_zpz,
gen_helper_sve_scvt_sh, a, 0, FPST_FPCR_F16)
TRANS_FEAT(SCVTF_dh, aa64_sve, gen_gvec_fpst_arg_zpz,
gen_helper_sve_scvt_dh, a, 0, FPST_FPCR_F16)
TRANS_FEAT(SCVTF_ss, aa64_sve, gen_gvec_fpst_arg_zpz,
gen_helper_sve_scvt_ss, a, 0, FPST_FPCR)
TRANS_FEAT(SCVTF_ds, aa64_sve, gen_gvec_fpst_arg_zpz,
gen_helper_sve_scvt_ds, a, 0, FPST_FPCR)
TRANS_FEAT(SCVTF_sd, aa64_sve, gen_gvec_fpst_arg_zpz,
gen_helper_sve_scvt_sd, a, 0, FPST_FPCR)
TRANS_FEAT(SCVTF_dd, aa64_sve, gen_gvec_fpst_arg_zpz,
gen_helper_sve_scvt_dd, a, 0, FPST_FPCR)
TRANS_FEAT(UCVTF_hh, aa64_sve, gen_gvec_fpst_arg_zpz,
gen_helper_sve_ucvt_hh, a, 0, FPST_FPCR_F16)
TRANS_FEAT(UCVTF_sh, aa64_sve, gen_gvec_fpst_arg_zpz,
gen_helper_sve_ucvt_sh, a, 0, FPST_FPCR_F16)
TRANS_FEAT(UCVTF_dh, aa64_sve, gen_gvec_fpst_arg_zpz,
gen_helper_sve_ucvt_dh, a, 0, FPST_FPCR_F16)
TRANS_FEAT(UCVTF_ss, aa64_sve, gen_gvec_fpst_arg_zpz,
gen_helper_sve_ucvt_ss, a, 0, FPST_FPCR)
TRANS_FEAT(UCVTF_ds, aa64_sve, gen_gvec_fpst_arg_zpz,
gen_helper_sve_ucvt_ds, a, 0, FPST_FPCR)
TRANS_FEAT(UCVTF_sd, aa64_sve, gen_gvec_fpst_arg_zpz,
gen_helper_sve_ucvt_sd, a, 0, FPST_FPCR)
TRANS_FEAT(UCVTF_dd, aa64_sve, gen_gvec_fpst_arg_zpz,
gen_helper_sve_ucvt_dd, a, 0, FPST_FPCR)
/*
*** SVE Memory - 32-bit Gather and Unsized Contiguous Group
*/
/* Subroutine loading a vector register at VOFS of LEN bytes.
* The load should begin at the address Rn + IMM.
*/
void gen_sve_ldr(DisasContext *s, TCGv_ptr base, int vofs,
int len, int rn, int imm)
{
int len_align = QEMU_ALIGN_DOWN(len, 8);
int len_remain = len % 8;
int nparts = len / 8 + ctpop8(len_remain);
int midx = get_mem_index(s);
TCGv_i64 dirty_addr, clean_addr, t0, t1;
dirty_addr = tcg_temp_new_i64();
tcg_gen_addi_i64(dirty_addr, cpu_reg_sp(s, rn), imm);
clean_addr = gen_mte_checkN(s, dirty_addr, false, rn != 31, len);
/*
* Note that unpredicated load/store of vector/predicate registers
* are defined as a stream of bytes, which equates to little-endian
* operations on larger quantities.
* Attempt to keep code expansion to a minimum by limiting the
* amount of unrolling done.
*/
if (nparts <= 4) {
int i;
t0 = tcg_temp_new_i64();
for (i = 0; i < len_align; i += 8) {
tcg_gen_qemu_ld_i64(t0, clean_addr, midx, MO_LEUQ);
tcg_gen_st_i64(t0, base, vofs + i);
tcg_gen_addi_i64(clean_addr, clean_addr, 8);
}
} else {
TCGLabel *loop = gen_new_label();
TCGv_ptr tp, i = tcg_temp_new_ptr();
tcg_gen_movi_ptr(i, 0);
gen_set_label(loop);
t0 = tcg_temp_new_i64();
tcg_gen_qemu_ld_i64(t0, clean_addr, midx, MO_LEUQ);
tcg_gen_addi_i64(clean_addr, clean_addr, 8);
tp = tcg_temp_new_ptr();
tcg_gen_add_ptr(tp, base, i);
tcg_gen_addi_ptr(i, i, 8);
tcg_gen_st_i64(t0, tp, vofs);
tcg_gen_brcondi_ptr(TCG_COND_LTU, i, len_align, loop);
}
/*
* Predicate register loads can be any multiple of 2.
* Note that we still store the entire 64-bit unit into cpu_env.
*/
if (len_remain) {
t0 = tcg_temp_new_i64();
switch (len_remain) {
case 2:
case 4:
case 8:
tcg_gen_qemu_ld_i64(t0, clean_addr, midx,
MO_LE | ctz32(len_remain));
break;
case 6:
t1 = tcg_temp_new_i64();
tcg_gen_qemu_ld_i64(t0, clean_addr, midx, MO_LEUL);
tcg_gen_addi_i64(clean_addr, clean_addr, 4);
tcg_gen_qemu_ld_i64(t1, clean_addr, midx, MO_LEUW);
tcg_gen_deposit_i64(t0, t0, t1, 32, 32);
break;
default:
g_assert_not_reached();
}
tcg_gen_st_i64(t0, base, vofs + len_align);
}
}
/* Similarly for stores. */
void gen_sve_str(DisasContext *s, TCGv_ptr base, int vofs,
int len, int rn, int imm)
{
int len_align = QEMU_ALIGN_DOWN(len, 8);
int len_remain = len % 8;
int nparts = len / 8 + ctpop8(len_remain);
int midx = get_mem_index(s);
TCGv_i64 dirty_addr, clean_addr, t0;
dirty_addr = tcg_temp_new_i64();
tcg_gen_addi_i64(dirty_addr, cpu_reg_sp(s, rn), imm);
clean_addr = gen_mte_checkN(s, dirty_addr, false, rn != 31, len);
/* Note that unpredicated load/store of vector/predicate registers
* are defined as a stream of bytes, which equates to little-endian
* operations on larger quantities. There is no nice way to force
* a little-endian store for aarch64_be-linux-user out of line.
*
* Attempt to keep code expansion to a minimum by limiting the
* amount of unrolling done.
*/
if (nparts <= 4) {
int i;
t0 = tcg_temp_new_i64();
for (i = 0; i < len_align; i += 8) {
tcg_gen_ld_i64(t0, base, vofs + i);
tcg_gen_qemu_st_i64(t0, clean_addr, midx, MO_LEUQ);
tcg_gen_addi_i64(clean_addr, clean_addr, 8);
}
} else {
TCGLabel *loop = gen_new_label();
TCGv_ptr tp, i = tcg_temp_new_ptr();
tcg_gen_movi_ptr(i, 0);
gen_set_label(loop);
t0 = tcg_temp_new_i64();
tp = tcg_temp_new_ptr();
tcg_gen_add_ptr(tp, base, i);
tcg_gen_ld_i64(t0, tp, vofs);
tcg_gen_addi_ptr(i, i, 8);
tcg_gen_qemu_st_i64(t0, clean_addr, midx, MO_LEUQ);
tcg_gen_addi_i64(clean_addr, clean_addr, 8);
tcg_gen_brcondi_ptr(TCG_COND_LTU, i, len_align, loop);
}
/* Predicate register stores can be any multiple of 2. */
if (len_remain) {
t0 = tcg_temp_new_i64();
tcg_gen_ld_i64(t0, base, vofs + len_align);
switch (len_remain) {
case 2:
case 4:
case 8:
tcg_gen_qemu_st_i64(t0, clean_addr, midx,
MO_LE | ctz32(len_remain));
break;
case 6:
tcg_gen_qemu_st_i64(t0, clean_addr, midx, MO_LEUL);
tcg_gen_addi_i64(clean_addr, clean_addr, 4);
tcg_gen_shri_i64(t0, t0, 32);
tcg_gen_qemu_st_i64(t0, clean_addr, midx, MO_LEUW);
break;
default:
g_assert_not_reached();
}
}
}
static bool trans_LDR_zri(DisasContext *s, arg_rri *a)
{
if (!dc_isar_feature(aa64_sve, s)) {
return false;
}
if (sve_access_check(s)) {
int size = vec_full_reg_size(s);
int off = vec_full_reg_offset(s, a->rd);
gen_sve_ldr(s, cpu_env, off, size, a->rn, a->imm * size);
}
return true;
}
static bool trans_LDR_pri(DisasContext *s, arg_rri *a)
{
if (!dc_isar_feature(aa64_sve, s)) {
return false;
}
if (sve_access_check(s)) {
int size = pred_full_reg_size(s);
int off = pred_full_reg_offset(s, a->rd);
gen_sve_ldr(s, cpu_env, off, size, a->rn, a->imm * size);
}
return true;
}
static bool trans_STR_zri(DisasContext *s, arg_rri *a)
{
if (!dc_isar_feature(aa64_sve, s)) {
return false;
}
if (sve_access_check(s)) {
int size = vec_full_reg_size(s);
int off = vec_full_reg_offset(s, a->rd);
gen_sve_str(s, cpu_env, off, size, a->rn, a->imm * size);
}
return true;
}
static bool trans_STR_pri(DisasContext *s, arg_rri *a)
{
if (!dc_isar_feature(aa64_sve, s)) {
return false;
}
if (sve_access_check(s)) {
int size = pred_full_reg_size(s);
int off = pred_full_reg_offset(s, a->rd);
gen_sve_str(s, cpu_env, off, size, a->rn, a->imm * size);
}
return true;
}
/*
*** SVE Memory - Contiguous Load Group
*/
/* The memory mode of the dtype. */
static const MemOp dtype_mop[16] = {
MO_UB, MO_UB, MO_UB, MO_UB,
MO_SL, MO_UW, MO_UW, MO_UW,
MO_SW, MO_SW, MO_UL, MO_UL,
MO_SB, MO_SB, MO_SB, MO_UQ
};
#define dtype_msz(x) (dtype_mop[x] & MO_SIZE)
/* The vector element size of dtype. */
static const uint8_t dtype_esz[16] = {
0, 1, 2, 3,
3, 1, 2, 3,
3, 2, 2, 3,
3, 2, 1, 3
};
static void do_mem_zpa(DisasContext *s, int zt, int pg, TCGv_i64 addr,
int dtype, uint32_t mte_n, bool is_write,
gen_helper_gvec_mem *fn)
{
unsigned vsz = vec_full_reg_size(s);
TCGv_ptr t_pg;
int desc = 0;
/*
* For e.g. LD4, there are not enough arguments to pass all 4
* registers as pointers, so encode the regno into the data field.
* For consistency, do this even for LD1.
*/
if (s->mte_active[0]) {
int msz = dtype_msz(dtype);
desc = FIELD_DP32(desc, MTEDESC, MIDX, get_mem_index(s));
desc = FIELD_DP32(desc, MTEDESC, TBI, s->tbid);
desc = FIELD_DP32(desc, MTEDESC, TCMA, s->tcma);
desc = FIELD_DP32(desc, MTEDESC, WRITE, is_write);
desc = FIELD_DP32(desc, MTEDESC, SIZEM1, (mte_n << msz) - 1);
desc <<= SVE_MTEDESC_SHIFT;
} else {
addr = clean_data_tbi(s, addr);
}
desc = simd_desc(vsz, vsz, zt | desc);
t_pg = tcg_temp_new_ptr();
tcg_gen_addi_ptr(t_pg, cpu_env, pred_full_reg_offset(s, pg));
fn(cpu_env, t_pg, addr, tcg_constant_i32(desc));
}
/* Indexed by [mte][be][dtype][nreg] */
static gen_helper_gvec_mem * const ldr_fns[2][2][16][4] = {
{ /* mte inactive, little-endian */
{ { gen_helper_sve_ld1bb_r, gen_helper_sve_ld2bb_r,
gen_helper_sve_ld3bb_r, gen_helper_sve_ld4bb_r },
{ gen_helper_sve_ld1bhu_r, NULL, NULL, NULL },
{ gen_helper_sve_ld1bsu_r, NULL, NULL, NULL },
{ gen_helper_sve_ld1bdu_r, NULL, NULL, NULL },
{ gen_helper_sve_ld1sds_le_r, NULL, NULL, NULL },
{ gen_helper_sve_ld1hh_le_r, gen_helper_sve_ld2hh_le_r,
gen_helper_sve_ld3hh_le_r, gen_helper_sve_ld4hh_le_r },
{ gen_helper_sve_ld1hsu_le_r, NULL, NULL, NULL },
{ gen_helper_sve_ld1hdu_le_r, NULL, NULL, NULL },
{ gen_helper_sve_ld1hds_le_r, NULL, NULL, NULL },
{ gen_helper_sve_ld1hss_le_r, NULL, NULL, NULL },
{ gen_helper_sve_ld1ss_le_r, gen_helper_sve_ld2ss_le_r,
gen_helper_sve_ld3ss_le_r, gen_helper_sve_ld4ss_le_r },
{ gen_helper_sve_ld1sdu_le_r, NULL, NULL, NULL },
{ gen_helper_sve_ld1bds_r, NULL, NULL, NULL },
{ gen_helper_sve_ld1bss_r, NULL, NULL, NULL },
{ gen_helper_sve_ld1bhs_r, NULL, NULL, NULL },
{ gen_helper_sve_ld1dd_le_r, gen_helper_sve_ld2dd_le_r,
gen_helper_sve_ld3dd_le_r, gen_helper_sve_ld4dd_le_r } },
/* mte inactive, big-endian */
{ { gen_helper_sve_ld1bb_r, gen_helper_sve_ld2bb_r,
gen_helper_sve_ld3bb_r, gen_helper_sve_ld4bb_r },
{ gen_helper_sve_ld1bhu_r, NULL, NULL, NULL },
{ gen_helper_sve_ld1bsu_r, NULL, NULL, NULL },
{ gen_helper_sve_ld1bdu_r, NULL, NULL, NULL },
{ gen_helper_sve_ld1sds_be_r, NULL, NULL, NULL },
{ gen_helper_sve_ld1hh_be_r, gen_helper_sve_ld2hh_be_r,
gen_helper_sve_ld3hh_be_r, gen_helper_sve_ld4hh_be_r },
{ gen_helper_sve_ld1hsu_be_r, NULL, NULL, NULL },
{ gen_helper_sve_ld1hdu_be_r, NULL, NULL, NULL },
{ gen_helper_sve_ld1hds_be_r, NULL, NULL, NULL },
{ gen_helper_sve_ld1hss_be_r, NULL, NULL, NULL },
{ gen_helper_sve_ld1ss_be_r, gen_helper_sve_ld2ss_be_r,
gen_helper_sve_ld3ss_be_r, gen_helper_sve_ld4ss_be_r },
{ gen_helper_sve_ld1sdu_be_r, NULL, NULL, NULL },
{ gen_helper_sve_ld1bds_r, NULL, NULL, NULL },
{ gen_helper_sve_ld1bss_r, NULL, NULL, NULL },
{ gen_helper_sve_ld1bhs_r, NULL, NULL, NULL },
{ gen_helper_sve_ld1dd_be_r, gen_helper_sve_ld2dd_be_r,
gen_helper_sve_ld3dd_be_r, gen_helper_sve_ld4dd_be_r } } },
{ /* mte active, little-endian */
{ { gen_helper_sve_ld1bb_r_mte,
gen_helper_sve_ld2bb_r_mte,
gen_helper_sve_ld3bb_r_mte,
gen_helper_sve_ld4bb_r_mte },
{ gen_helper_sve_ld1bhu_r_mte, NULL, NULL, NULL },
{ gen_helper_sve_ld1bsu_r_mte, NULL, NULL, NULL },
{ gen_helper_sve_ld1bdu_r_mte, NULL, NULL, NULL },
{ gen_helper_sve_ld1sds_le_r_mte, NULL, NULL, NULL },
{ gen_helper_sve_ld1hh_le_r_mte,
gen_helper_sve_ld2hh_le_r_mte,
gen_helper_sve_ld3hh_le_r_mte,
gen_helper_sve_ld4hh_le_r_mte },
{ gen_helper_sve_ld1hsu_le_r_mte, NULL, NULL, NULL },
{ gen_helper_sve_ld1hdu_le_r_mte, NULL, NULL, NULL },
{ gen_helper_sve_ld1hds_le_r_mte, NULL, NULL, NULL },
{ gen_helper_sve_ld1hss_le_r_mte, NULL, NULL, NULL },
{ gen_helper_sve_ld1ss_le_r_mte,
gen_helper_sve_ld2ss_le_r_mte,
gen_helper_sve_ld3ss_le_r_mte,
gen_helper_sve_ld4ss_le_r_mte },
{ gen_helper_sve_ld1sdu_le_r_mte, NULL, NULL, NULL },
{ gen_helper_sve_ld1bds_r_mte, NULL, NULL, NULL },
{ gen_helper_sve_ld1bss_r_mte, NULL, NULL, NULL },
{ gen_helper_sve_ld1bhs_r_mte, NULL, NULL, NULL },
{ gen_helper_sve_ld1dd_le_r_mte,
gen_helper_sve_ld2dd_le_r_mte,
gen_helper_sve_ld3dd_le_r_mte,
gen_helper_sve_ld4dd_le_r_mte } },
/* mte active, big-endian */
{ { gen_helper_sve_ld1bb_r_mte,
gen_helper_sve_ld2bb_r_mte,
gen_helper_sve_ld3bb_r_mte,
gen_helper_sve_ld4bb_r_mte },
{ gen_helper_sve_ld1bhu_r_mte, NULL, NULL, NULL },
{ gen_helper_sve_ld1bsu_r_mte, NULL, NULL, NULL },
{ gen_helper_sve_ld1bdu_r_mte, NULL, NULL, NULL },
{ gen_helper_sve_ld1sds_be_r_mte, NULL, NULL, NULL },
{ gen_helper_sve_ld1hh_be_r_mte,
gen_helper_sve_ld2hh_be_r_mte,
gen_helper_sve_ld3hh_be_r_mte,
gen_helper_sve_ld4hh_be_r_mte },
{ gen_helper_sve_ld1hsu_be_r_mte, NULL, NULL, NULL },
{ gen_helper_sve_ld1hdu_be_r_mte, NULL, NULL, NULL },
{ gen_helper_sve_ld1hds_be_r_mte, NULL, NULL, NULL },
{ gen_helper_sve_ld1hss_be_r_mte, NULL, NULL, NULL },
{ gen_helper_sve_ld1ss_be_r_mte,
gen_helper_sve_ld2ss_be_r_mte,
gen_helper_sve_ld3ss_be_r_mte,
gen_helper_sve_ld4ss_be_r_mte },
{ gen_helper_sve_ld1sdu_be_r_mte, NULL, NULL, NULL },
{ gen_helper_sve_ld1bds_r_mte, NULL, NULL, NULL },
{ gen_helper_sve_ld1bss_r_mte, NULL, NULL, NULL },
{ gen_helper_sve_ld1bhs_r_mte, NULL, NULL, NULL },
{ gen_helper_sve_ld1dd_be_r_mte,
gen_helper_sve_ld2dd_be_r_mte,
gen_helper_sve_ld3dd_be_r_mte,
gen_helper_sve_ld4dd_be_r_mte } } },
};
static void do_ld_zpa(DisasContext *s, int zt, int pg,
TCGv_i64 addr, int dtype, int nreg)
{
gen_helper_gvec_mem *fn
= ldr_fns[s->mte_active[0]][s->be_data == MO_BE][dtype][nreg];
/*
* While there are holes in the table, they are not
* accessible via the instruction encoding.
*/
assert(fn != NULL);
do_mem_zpa(s, zt, pg, addr, dtype, nreg, false, fn);
}
static bool trans_LD_zprr(DisasContext *s, arg_rprr_load *a)
{
if (a->rm == 31 || !dc_isar_feature(aa64_sve, s)) {
return false;
}
if (sve_access_check(s)) {
TCGv_i64 addr = tcg_temp_new_i64();
tcg_gen_shli_i64(addr, cpu_reg(s, a->rm), dtype_msz(a->dtype));
tcg_gen_add_i64(addr, addr, cpu_reg_sp(s, a->rn));
do_ld_zpa(s, a->rd, a->pg, addr, a->dtype, a->nreg);
}
return true;
}
static bool trans_LD_zpri(DisasContext *s, arg_rpri_load *a)
{
if (!dc_isar_feature(aa64_sve, s)) {
return false;
}
if (sve_access_check(s)) {
int vsz = vec_full_reg_size(s);
int elements = vsz >> dtype_esz[a->dtype];
TCGv_i64 addr = tcg_temp_new_i64();
tcg_gen_addi_i64(addr, cpu_reg_sp(s, a->rn),
(a->imm * elements * (a->nreg + 1))
<< dtype_msz(a->dtype));
do_ld_zpa(s, a->rd, a->pg, addr, a->dtype, a->nreg);
}
return true;
}
static bool trans_LDFF1_zprr(DisasContext *s, arg_rprr_load *a)
{
static gen_helper_gvec_mem * const fns[2][2][16] = {
{ /* mte inactive, little-endian */
{ gen_helper_sve_ldff1bb_r,
gen_helper_sve_ldff1bhu_r,
gen_helper_sve_ldff1bsu_r,
gen_helper_sve_ldff1bdu_r,
gen_helper_sve_ldff1sds_le_r,
gen_helper_sve_ldff1hh_le_r,
gen_helper_sve_ldff1hsu_le_r,
gen_helper_sve_ldff1hdu_le_r,
gen_helper_sve_ldff1hds_le_r,
gen_helper_sve_ldff1hss_le_r,
gen_helper_sve_ldff1ss_le_r,
gen_helper_sve_ldff1sdu_le_r,
gen_helper_sve_ldff1bds_r,
gen_helper_sve_ldff1bss_r,
gen_helper_sve_ldff1bhs_r,
gen_helper_sve_ldff1dd_le_r },
/* mte inactive, big-endian */
{ gen_helper_sve_ldff1bb_r,
gen_helper_sve_ldff1bhu_r,
gen_helper_sve_ldff1bsu_r,
gen_helper_sve_ldff1bdu_r,
gen_helper_sve_ldff1sds_be_r,
gen_helper_sve_ldff1hh_be_r,
gen_helper_sve_ldff1hsu_be_r,
gen_helper_sve_ldff1hdu_be_r,
gen_helper_sve_ldff1hds_be_r,
gen_helper_sve_ldff1hss_be_r,
gen_helper_sve_ldff1ss_be_r,
gen_helper_sve_ldff1sdu_be_r,
gen_helper_sve_ldff1bds_r,
gen_helper_sve_ldff1bss_r,
gen_helper_sve_ldff1bhs_r,
gen_helper_sve_ldff1dd_be_r } },
{ /* mte active, little-endian */
{ gen_helper_sve_ldff1bb_r_mte,
gen_helper_sve_ldff1bhu_r_mte,
gen_helper_sve_ldff1bsu_r_mte,
gen_helper_sve_ldff1bdu_r_mte,
gen_helper_sve_ldff1sds_le_r_mte,
gen_helper_sve_ldff1hh_le_r_mte,
gen_helper_sve_ldff1hsu_le_r_mte,
gen_helper_sve_ldff1hdu_le_r_mte,
gen_helper_sve_ldff1hds_le_r_mte,
gen_helper_sve_ldff1hss_le_r_mte,
gen_helper_sve_ldff1ss_le_r_mte,
gen_helper_sve_ldff1sdu_le_r_mte,
gen_helper_sve_ldff1bds_r_mte,
gen_helper_sve_ldff1bss_r_mte,
gen_helper_sve_ldff1bhs_r_mte,
gen_helper_sve_ldff1dd_le_r_mte },
/* mte active, big-endian */
{ gen_helper_sve_ldff1bb_r_mte,
gen_helper_sve_ldff1bhu_r_mte,
gen_helper_sve_ldff1bsu_r_mte,
gen_helper_sve_ldff1bdu_r_mte,
gen_helper_sve_ldff1sds_be_r_mte,
gen_helper_sve_ldff1hh_be_r_mte,
gen_helper_sve_ldff1hsu_be_r_mte,
gen_helper_sve_ldff1hdu_be_r_mte,
gen_helper_sve_ldff1hds_be_r_mte,
gen_helper_sve_ldff1hss_be_r_mte,
gen_helper_sve_ldff1ss_be_r_mte,
gen_helper_sve_ldff1sdu_be_r_mte,
gen_helper_sve_ldff1bds_r_mte,
gen_helper_sve_ldff1bss_r_mte,
gen_helper_sve_ldff1bhs_r_mte,
gen_helper_sve_ldff1dd_be_r_mte } },
};
if (!dc_isar_feature(aa64_sve, s)) {
return false;
}
s->is_nonstreaming = true;
if (sve_access_check(s)) {
TCGv_i64 addr = tcg_temp_new_i64();
tcg_gen_shli_i64(addr, cpu_reg(s, a->rm), dtype_msz(a->dtype));
tcg_gen_add_i64(addr, addr, cpu_reg_sp(s, a->rn));
do_mem_zpa(s, a->rd, a->pg, addr, a->dtype, 1, false,
fns[s->mte_active[0]][s->be_data == MO_BE][a->dtype]);
}
return true;
}
static bool trans_LDNF1_zpri(DisasContext *s, arg_rpri_load *a)
{
static gen_helper_gvec_mem * const fns[2][2][16] = {
{ /* mte inactive, little-endian */
{ gen_helper_sve_ldnf1bb_r,
gen_helper_sve_ldnf1bhu_r,
gen_helper_sve_ldnf1bsu_r,
gen_helper_sve_ldnf1bdu_r,
gen_helper_sve_ldnf1sds_le_r,
gen_helper_sve_ldnf1hh_le_r,
gen_helper_sve_ldnf1hsu_le_r,
gen_helper_sve_ldnf1hdu_le_r,
gen_helper_sve_ldnf1hds_le_r,
gen_helper_sve_ldnf1hss_le_r,
gen_helper_sve_ldnf1ss_le_r,
gen_helper_sve_ldnf1sdu_le_r,
gen_helper_sve_ldnf1bds_r,
gen_helper_sve_ldnf1bss_r,
gen_helper_sve_ldnf1bhs_r,
gen_helper_sve_ldnf1dd_le_r },
/* mte inactive, big-endian */
{ gen_helper_sve_ldnf1bb_r,
gen_helper_sve_ldnf1bhu_r,
gen_helper_sve_ldnf1bsu_r,
gen_helper_sve_ldnf1bdu_r,
gen_helper_sve_ldnf1sds_be_r,
gen_helper_sve_ldnf1hh_be_r,
gen_helper_sve_ldnf1hsu_be_r,
gen_helper_sve_ldnf1hdu_be_r,
gen_helper_sve_ldnf1hds_be_r,
gen_helper_sve_ldnf1hss_be_r,
gen_helper_sve_ldnf1ss_be_r,
gen_helper_sve_ldnf1sdu_be_r,
gen_helper_sve_ldnf1bds_r,
gen_helper_sve_ldnf1bss_r,
gen_helper_sve_ldnf1bhs_r,
gen_helper_sve_ldnf1dd_be_r } },
{ /* mte inactive, little-endian */
{ gen_helper_sve_ldnf1bb_r_mte,
gen_helper_sve_ldnf1bhu_r_mte,
gen_helper_sve_ldnf1bsu_r_mte,
gen_helper_sve_ldnf1bdu_r_mte,
gen_helper_sve_ldnf1sds_le_r_mte,
gen_helper_sve_ldnf1hh_le_r_mte,
gen_helper_sve_ldnf1hsu_le_r_mte,
gen_helper_sve_ldnf1hdu_le_r_mte,
gen_helper_sve_ldnf1hds_le_r_mte,
gen_helper_sve_ldnf1hss_le_r_mte,
gen_helper_sve_ldnf1ss_le_r_mte,
gen_helper_sve_ldnf1sdu_le_r_mte,
gen_helper_sve_ldnf1bds_r_mte,
gen_helper_sve_ldnf1bss_r_mte,
gen_helper_sve_ldnf1bhs_r_mte,
gen_helper_sve_ldnf1dd_le_r_mte },
/* mte inactive, big-endian */
{ gen_helper_sve_ldnf1bb_r_mte,
gen_helper_sve_ldnf1bhu_r_mte,
gen_helper_sve_ldnf1bsu_r_mte,
gen_helper_sve_ldnf1bdu_r_mte,
gen_helper_sve_ldnf1sds_be_r_mte,
gen_helper_sve_ldnf1hh_be_r_mte,
gen_helper_sve_ldnf1hsu_be_r_mte,
gen_helper_sve_ldnf1hdu_be_r_mte,
gen_helper_sve_ldnf1hds_be_r_mte,
gen_helper_sve_ldnf1hss_be_r_mte,
gen_helper_sve_ldnf1ss_be_r_mte,
gen_helper_sve_ldnf1sdu_be_r_mte,
gen_helper_sve_ldnf1bds_r_mte,
gen_helper_sve_ldnf1bss_r_mte,
gen_helper_sve_ldnf1bhs_r_mte,
gen_helper_sve_ldnf1dd_be_r_mte } },
};
if (!dc_isar_feature(aa64_sve, s)) {
return false;
}
s->is_nonstreaming = true;
if (sve_access_check(s)) {
int vsz = vec_full_reg_size(s);
int elements = vsz >> dtype_esz[a->dtype];
int off = (a->imm * elements) << dtype_msz(a->dtype);
TCGv_i64 addr = tcg_temp_new_i64();
tcg_gen_addi_i64(addr, cpu_reg_sp(s, a->rn), off);
do_mem_zpa(s, a->rd, a->pg, addr, a->dtype, 1, false,
fns[s->mte_active[0]][s->be_data == MO_BE][a->dtype]);
}
return true;
}
static void do_ldrq(DisasContext *s, int zt, int pg, TCGv_i64 addr, int dtype)
{
unsigned vsz = vec_full_reg_size(s);
TCGv_ptr t_pg;
int poff;
/* Load the first quadword using the normal predicated load helpers. */
poff = pred_full_reg_offset(s, pg);
if (vsz > 16) {
/*
* Zero-extend the first 16 bits of the predicate into a temporary.
* This avoids triggering an assert making sure we don't have bits
* set within a predicate beyond VQ, but we have lowered VQ to 1
* for this load operation.
*/
TCGv_i64 tmp = tcg_temp_new_i64();
#if HOST_BIG_ENDIAN
poff += 6;
#endif
tcg_gen_ld16u_i64(tmp, cpu_env, poff);
poff = offsetof(CPUARMState, vfp.preg_tmp);
tcg_gen_st_i64(tmp, cpu_env, poff);
}
t_pg = tcg_temp_new_ptr();
tcg_gen_addi_ptr(t_pg, cpu_env, poff);
gen_helper_gvec_mem *fn
= ldr_fns[s->mte_active[0]][s->be_data == MO_BE][dtype][0];
fn(cpu_env, t_pg, addr, tcg_constant_i32(simd_desc(16, 16, zt)));
/* Replicate that first quadword. */
if (vsz > 16) {
int doff = vec_full_reg_offset(s, zt);
tcg_gen_gvec_dup_mem(4, doff + 16, doff, vsz - 16, vsz - 16);
}
}
static bool trans_LD1RQ_zprr(DisasContext *s, arg_rprr_load *a)
{
if (a->rm == 31 || !dc_isar_feature(aa64_sve, s)) {
return false;
}
if (sve_access_check(s)) {
int msz = dtype_msz(a->dtype);
TCGv_i64 addr = tcg_temp_new_i64();
tcg_gen_shli_i64(addr, cpu_reg(s, a->rm), msz);
tcg_gen_add_i64(addr, addr, cpu_reg_sp(s, a->rn));
do_ldrq(s, a->rd, a->pg, addr, a->dtype);
}
return true;
}
static bool trans_LD1RQ_zpri(DisasContext *s, arg_rpri_load *a)
{
if (!dc_isar_feature(aa64_sve, s)) {
return false;
}
if (sve_access_check(s)) {
TCGv_i64 addr = tcg_temp_new_i64();
tcg_gen_addi_i64(addr, cpu_reg_sp(s, a->rn), a->imm * 16);
do_ldrq(s, a->rd, a->pg, addr, a->dtype);
}
return true;
}
static void do_ldro(DisasContext *s, int zt, int pg, TCGv_i64 addr, int dtype)
{
unsigned vsz = vec_full_reg_size(s);
unsigned vsz_r32;
TCGv_ptr t_pg;
int poff, doff;
if (vsz < 32) {
/*
* Note that this UNDEFINED check comes after CheckSVEEnabled()
* in the ARM pseudocode, which is the sve_access_check() done
* in our caller. We should not now return false from the caller.
*/
unallocated_encoding(s);
return;
}
/* Load the first octaword using the normal predicated load helpers. */
poff = pred_full_reg_offset(s, pg);
if (vsz > 32) {
/*
* Zero-extend the first 32 bits of the predicate into a temporary.
* This avoids triggering an assert making sure we don't have bits
* set within a predicate beyond VQ, but we have lowered VQ to 2
* for this load operation.
*/
TCGv_i64 tmp = tcg_temp_new_i64();
#if HOST_BIG_ENDIAN
poff += 4;
#endif
tcg_gen_ld32u_i64(tmp, cpu_env, poff);
poff = offsetof(CPUARMState, vfp.preg_tmp);
tcg_gen_st_i64(tmp, cpu_env, poff);
}
t_pg = tcg_temp_new_ptr();
tcg_gen_addi_ptr(t_pg, cpu_env, poff);
gen_helper_gvec_mem *fn
= ldr_fns[s->mte_active[0]][s->be_data == MO_BE][dtype][0];
fn(cpu_env, t_pg, addr, tcg_constant_i32(simd_desc(32, 32, zt)));
/*
* Replicate that first octaword.
* The replication happens in units of 32; if the full vector size
* is not a multiple of 32, the final bits are zeroed.
*/
doff = vec_full_reg_offset(s, zt);
vsz_r32 = QEMU_ALIGN_DOWN(vsz, 32);
if (vsz >= 64) {
tcg_gen_gvec_dup_mem(5, doff + 32, doff, vsz_r32 - 32, vsz_r32 - 32);
}
vsz -= vsz_r32;
if (vsz) {
tcg_gen_gvec_dup_imm(MO_64, doff + vsz_r32, vsz, vsz, 0);
}
}
static bool trans_LD1RO_zprr(DisasContext *s, arg_rprr_load *a)
{
if (!dc_isar_feature(aa64_sve_f64mm, s)) {
return false;
}
if (a->rm == 31) {
return false;
}
s->is_nonstreaming = true;
if (sve_access_check(s)) {
TCGv_i64 addr = tcg_temp_new_i64();
tcg_gen_shli_i64(addr, cpu_reg(s, a->rm), dtype_msz(a->dtype));
tcg_gen_add_i64(addr, addr, cpu_reg_sp(s, a->rn));
do_ldro(s, a->rd, a->pg, addr, a->dtype);
}
return true;
}
static bool trans_LD1RO_zpri(DisasContext *s, arg_rpri_load *a)
{
if (!dc_isar_feature(aa64_sve_f64mm, s)) {
return false;
}
s->is_nonstreaming = true;
if (sve_access_check(s)) {
TCGv_i64 addr = tcg_temp_new_i64();
tcg_gen_addi_i64(addr, cpu_reg_sp(s, a->rn), a->imm * 32);
do_ldro(s, a->rd, a->pg, addr, a->dtype);
}
return true;
}
/* Load and broadcast element. */
static bool trans_LD1R_zpri(DisasContext *s, arg_rpri_load *a)
{
unsigned vsz = vec_full_reg_size(s);
unsigned psz = pred_full_reg_size(s);
unsigned esz = dtype_esz[a->dtype];
unsigned msz = dtype_msz(a->dtype);
TCGLabel *over;
TCGv_i64 temp, clean_addr;
if (!dc_isar_feature(aa64_sve, s)) {
return false;
}
if (!sve_access_check(s)) {
return true;
}
over = gen_new_label();
/* If the guarding predicate has no bits set, no load occurs. */
if (psz <= 8) {
/* Reduce the pred_esz_masks value simply to reduce the
* size of the code generated here.
*/
uint64_t psz_mask = MAKE_64BIT_MASK(0, psz * 8);
temp = tcg_temp_new_i64();
tcg_gen_ld_i64(temp, cpu_env, pred_full_reg_offset(s, a->pg));
tcg_gen_andi_i64(temp, temp, pred_esz_masks[esz] & psz_mask);
tcg_gen_brcondi_i64(TCG_COND_EQ, temp, 0, over);
} else {
TCGv_i32 t32 = tcg_temp_new_i32();
find_last_active(s, t32, esz, a->pg);
tcg_gen_brcondi_i32(TCG_COND_LT, t32, 0, over);
}
/* Load the data. */
temp = tcg_temp_new_i64();
tcg_gen_addi_i64(temp, cpu_reg_sp(s, a->rn), a->imm << msz);
clean_addr = gen_mte_check1(s, temp, false, true, msz);
tcg_gen_qemu_ld_i64(temp, clean_addr, get_mem_index(s),
finalize_memop(s, dtype_mop[a->dtype]));
/* Broadcast to *all* elements. */
tcg_gen_gvec_dup_i64(esz, vec_full_reg_offset(s, a->rd),
vsz, vsz, temp);
/* Zero the inactive elements. */
gen_set_label(over);
return do_movz_zpz(s, a->rd, a->rd, a->pg, esz, false);
}
static void do_st_zpa(DisasContext *s, int zt, int pg, TCGv_i64 addr,
int msz, int esz, int nreg)
{
static gen_helper_gvec_mem * const fn_single[2][2][4][4] = {
{ { { gen_helper_sve_st1bb_r,
gen_helper_sve_st1bh_r,
gen_helper_sve_st1bs_r,
gen_helper_sve_st1bd_r },
{ NULL,
gen_helper_sve_st1hh_le_r,
gen_helper_sve_st1hs_le_r,
gen_helper_sve_st1hd_le_r },
{ NULL, NULL,
gen_helper_sve_st1ss_le_r,
gen_helper_sve_st1sd_le_r },
{ NULL, NULL, NULL,
gen_helper_sve_st1dd_le_r } },
{ { gen_helper_sve_st1bb_r,
gen_helper_sve_st1bh_r,
gen_helper_sve_st1bs_r,
gen_helper_sve_st1bd_r },
{ NULL,
gen_helper_sve_st1hh_be_r,
gen_helper_sve_st1hs_be_r,
gen_helper_sve_st1hd_be_r },
{ NULL, NULL,
gen_helper_sve_st1ss_be_r,
gen_helper_sve_st1sd_be_r },
{ NULL, NULL, NULL,
gen_helper_sve_st1dd_be_r } } },
{ { { gen_helper_sve_st1bb_r_mte,
gen_helper_sve_st1bh_r_mte,
gen_helper_sve_st1bs_r_mte,
gen_helper_sve_st1bd_r_mte },
{ NULL,
gen_helper_sve_st1hh_le_r_mte,
gen_helper_sve_st1hs_le_r_mte,
gen_helper_sve_st1hd_le_r_mte },
{ NULL, NULL,
gen_helper_sve_st1ss_le_r_mte,
gen_helper_sve_st1sd_le_r_mte },
{ NULL, NULL, NULL,
gen_helper_sve_st1dd_le_r_mte } },
{ { gen_helper_sve_st1bb_r_mte,
gen_helper_sve_st1bh_r_mte,
gen_helper_sve_st1bs_r_mte,
gen_helper_sve_st1bd_r_mte },
{ NULL,
gen_helper_sve_st1hh_be_r_mte,
gen_helper_sve_st1hs_be_r_mte,
gen_helper_sve_st1hd_be_r_mte },
{ NULL, NULL,
gen_helper_sve_st1ss_be_r_mte,
gen_helper_sve_st1sd_be_r_mte },
{ NULL, NULL, NULL,
gen_helper_sve_st1dd_be_r_mte } } },
};
static gen_helper_gvec_mem * const fn_multiple[2][2][3][4] = {
{ { { gen_helper_sve_st2bb_r,
gen_helper_sve_st2hh_le_r,
gen_helper_sve_st2ss_le_r,
gen_helper_sve_st2dd_le_r },
{ gen_helper_sve_st3bb_r,
gen_helper_sve_st3hh_le_r,
gen_helper_sve_st3ss_le_r,
gen_helper_sve_st3dd_le_r },
{ gen_helper_sve_st4bb_r,
gen_helper_sve_st4hh_le_r,
gen_helper_sve_st4ss_le_r,
gen_helper_sve_st4dd_le_r } },
{ { gen_helper_sve_st2bb_r,
gen_helper_sve_st2hh_be_r,
gen_helper_sve_st2ss_be_r,
gen_helper_sve_st2dd_be_r },
{ gen_helper_sve_st3bb_r,
gen_helper_sve_st3hh_be_r,
gen_helper_sve_st3ss_be_r,
gen_helper_sve_st3dd_be_r },
{ gen_helper_sve_st4bb_r,
gen_helper_sve_st4hh_be_r,
gen_helper_sve_st4ss_be_r,
gen_helper_sve_st4dd_be_r } } },
{ { { gen_helper_sve_st2bb_r_mte,
gen_helper_sve_st2hh_le_r_mte,
gen_helper_sve_st2ss_le_r_mte,
gen_helper_sve_st2dd_le_r_mte },
{ gen_helper_sve_st3bb_r_mte,
gen_helper_sve_st3hh_le_r_mte,
gen_helper_sve_st3ss_le_r_mte,
gen_helper_sve_st3dd_le_r_mte },
{ gen_helper_sve_st4bb_r_mte,
gen_helper_sve_st4hh_le_r_mte,
gen_helper_sve_st4ss_le_r_mte,
gen_helper_sve_st4dd_le_r_mte } },
{ { gen_helper_sve_st2bb_r_mte,
gen_helper_sve_st2hh_be_r_mte,
gen_helper_sve_st2ss_be_r_mte,
gen_helper_sve_st2dd_be_r_mte },
{ gen_helper_sve_st3bb_r_mte,
gen_helper_sve_st3hh_be_r_mte,
gen_helper_sve_st3ss_be_r_mte,
gen_helper_sve_st3dd_be_r_mte },
{ gen_helper_sve_st4bb_r_mte,
gen_helper_sve_st4hh_be_r_mte,
gen_helper_sve_st4ss_be_r_mte,
gen_helper_sve_st4dd_be_r_mte } } },
};
gen_helper_gvec_mem *fn;
int be = s->be_data == MO_BE;
if (nreg == 0) {
/* ST1 */
fn = fn_single[s->mte_active[0]][be][msz][esz];
nreg = 1;
} else {
/* ST2, ST3, ST4 -- msz == esz, enforced by encoding */
assert(msz == esz);
fn = fn_multiple[s->mte_active[0]][be][nreg - 1][msz];
}
assert(fn != NULL);
do_mem_zpa(s, zt, pg, addr, msz_dtype(s, msz), nreg, true, fn);
}
static bool trans_ST_zprr(DisasContext *s, arg_rprr_store *a)
{
if (!dc_isar_feature(aa64_sve, s)) {
return false;
}
if (a->rm == 31 || a->msz > a->esz) {
return false;
}
if (sve_access_check(s)) {
TCGv_i64 addr = tcg_temp_new_i64();
tcg_gen_shli_i64(addr, cpu_reg(s, a->rm), a->msz);
tcg_gen_add_i64(addr, addr, cpu_reg_sp(s, a->rn));
do_st_zpa(s, a->rd, a->pg, addr, a->msz, a->esz, a->nreg);
}
return true;
}
static bool trans_ST_zpri(DisasContext *s, arg_rpri_store *a)
{
if (!dc_isar_feature(aa64_sve, s)) {
return false;
}
if (a->msz > a->esz) {
return false;
}
if (sve_access_check(s)) {
int vsz = vec_full_reg_size(s);
int elements = vsz >> a->esz;
TCGv_i64 addr = tcg_temp_new_i64();
tcg_gen_addi_i64(addr, cpu_reg_sp(s, a->rn),
(a->imm * elements * (a->nreg + 1)) << a->msz);
do_st_zpa(s, a->rd, a->pg, addr, a->msz, a->esz, a->nreg);
}
return true;
}
/*
*** SVE gather loads / scatter stores
*/
static void do_mem_zpz(DisasContext *s, int zt, int pg, int zm,
int scale, TCGv_i64 scalar, int msz, bool is_write,
gen_helper_gvec_mem_scatter *fn)
{
unsigned vsz = vec_full_reg_size(s);
TCGv_ptr t_zm = tcg_temp_new_ptr();
TCGv_ptr t_pg = tcg_temp_new_ptr();
TCGv_ptr t_zt = tcg_temp_new_ptr();
int desc = 0;
if (s->mte_active[0]) {
desc = FIELD_DP32(desc, MTEDESC, MIDX, get_mem_index(s));
desc = FIELD_DP32(desc, MTEDESC, TBI, s->tbid);
desc = FIELD_DP32(desc, MTEDESC, TCMA, s->tcma);
desc = FIELD_DP32(desc, MTEDESC, WRITE, is_write);
desc = FIELD_DP32(desc, MTEDESC, SIZEM1, (1 << msz) - 1);
desc <<= SVE_MTEDESC_SHIFT;
}
desc = simd_desc(vsz, vsz, desc | scale);
tcg_gen_addi_ptr(t_pg, cpu_env, pred_full_reg_offset(s, pg));
tcg_gen_addi_ptr(t_zm, cpu_env, vec_full_reg_offset(s, zm));
tcg_gen_addi_ptr(t_zt, cpu_env, vec_full_reg_offset(s, zt));
fn(cpu_env, t_zt, t_pg, t_zm, scalar, tcg_constant_i32(desc));
}
/* Indexed by [mte][be][ff][xs][u][msz]. */
static gen_helper_gvec_mem_scatter * const
gather_load_fn32[2][2][2][2][2][3] = {
{ /* MTE Inactive */
{ /* Little-endian */
{ { { gen_helper_sve_ldbss_zsu,
gen_helper_sve_ldhss_le_zsu,
NULL, },
{ gen_helper_sve_ldbsu_zsu,
gen_helper_sve_ldhsu_le_zsu,
gen_helper_sve_ldss_le_zsu, } },
{ { gen_helper_sve_ldbss_zss,
gen_helper_sve_ldhss_le_zss,
NULL, },
{ gen_helper_sve_ldbsu_zss,
gen_helper_sve_ldhsu_le_zss,
gen_helper_sve_ldss_le_zss, } } },
/* First-fault */
{ { { gen_helper_sve_ldffbss_zsu,
gen_helper_sve_ldffhss_le_zsu,
NULL, },
{ gen_helper_sve_ldffbsu_zsu,
gen_helper_sve_ldffhsu_le_zsu,
gen_helper_sve_ldffss_le_zsu, } },
{ { gen_helper_sve_ldffbss_zss,
gen_helper_sve_ldffhss_le_zss,
NULL, },
{ gen_helper_sve_ldffbsu_zss,
gen_helper_sve_ldffhsu_le_zss,
gen_helper_sve_ldffss_le_zss, } } } },
{ /* Big-endian */
{ { { gen_helper_sve_ldbss_zsu,
gen_helper_sve_ldhss_be_zsu,
NULL, },
{ gen_helper_sve_ldbsu_zsu,
gen_helper_sve_ldhsu_be_zsu,
gen_helper_sve_ldss_be_zsu, } },
{ { gen_helper_sve_ldbss_zss,
gen_helper_sve_ldhss_be_zss,
NULL, },
{ gen_helper_sve_ldbsu_zss,
gen_helper_sve_ldhsu_be_zss,
gen_helper_sve_ldss_be_zss, } } },
/* First-fault */
{ { { gen_helper_sve_ldffbss_zsu,
gen_helper_sve_ldffhss_be_zsu,
NULL, },
{ gen_helper_sve_ldffbsu_zsu,
gen_helper_sve_ldffhsu_be_zsu,
gen_helper_sve_ldffss_be_zsu, } },
{ { gen_helper_sve_ldffbss_zss,
gen_helper_sve_ldffhss_be_zss,
NULL, },
{ gen_helper_sve_ldffbsu_zss,
gen_helper_sve_ldffhsu_be_zss,
gen_helper_sve_ldffss_be_zss, } } } } },
{ /* MTE Active */
{ /* Little-endian */
{ { { gen_helper_sve_ldbss_zsu_mte,
gen_helper_sve_ldhss_le_zsu_mte,
NULL, },
{ gen_helper_sve_ldbsu_zsu_mte,
gen_helper_sve_ldhsu_le_zsu_mte,
gen_helper_sve_ldss_le_zsu_mte, } },
{ { gen_helper_sve_ldbss_zss_mte,
gen_helper_sve_ldhss_le_zss_mte,
NULL, },
{ gen_helper_sve_ldbsu_zss_mte,
gen_helper_sve_ldhsu_le_zss_mte,
gen_helper_sve_ldss_le_zss_mte, } } },
/* First-fault */
{ { { gen_helper_sve_ldffbss_zsu_mte,
gen_helper_sve_ldffhss_le_zsu_mte,
NULL, },
{ gen_helper_sve_ldffbsu_zsu_mte,
gen_helper_sve_ldffhsu_le_zsu_mte,
gen_helper_sve_ldffss_le_zsu_mte, } },
{ { gen_helper_sve_ldffbss_zss_mte,
gen_helper_sve_ldffhss_le_zss_mte,
NULL, },
{ gen_helper_sve_ldffbsu_zss_mte,
gen_helper_sve_ldffhsu_le_zss_mte,
gen_helper_sve_ldffss_le_zss_mte, } } } },
{ /* Big-endian */
{ { { gen_helper_sve_ldbss_zsu_mte,
gen_helper_sve_ldhss_be_zsu_mte,
NULL, },
{ gen_helper_sve_ldbsu_zsu_mte,
gen_helper_sve_ldhsu_be_zsu_mte,
gen_helper_sve_ldss_be_zsu_mte, } },
{ { gen_helper_sve_ldbss_zss_mte,
gen_helper_sve_ldhss_be_zss_mte,
NULL, },
{ gen_helper_sve_ldbsu_zss_mte,
gen_helper_sve_ldhsu_be_zss_mte,
gen_helper_sve_ldss_be_zss_mte, } } },
/* First-fault */
{ { { gen_helper_sve_ldffbss_zsu_mte,
gen_helper_sve_ldffhss_be_zsu_mte,
NULL, },
{ gen_helper_sve_ldffbsu_zsu_mte,
gen_helper_sve_ldffhsu_be_zsu_mte,
gen_helper_sve_ldffss_be_zsu_mte, } },
{ { gen_helper_sve_ldffbss_zss_mte,
gen_helper_sve_ldffhss_be_zss_mte,
NULL, },
{ gen_helper_sve_ldffbsu_zss_mte,
gen_helper_sve_ldffhsu_be_zss_mte,
gen_helper_sve_ldffss_be_zss_mte, } } } } },
};
/* Note that we overload xs=2 to indicate 64-bit offset. */
static gen_helper_gvec_mem_scatter * const
gather_load_fn64[2][2][2][3][2][4] = {
{ /* MTE Inactive */
{ /* Little-endian */
{ { { gen_helper_sve_ldbds_zsu,
gen_helper_sve_ldhds_le_zsu,
gen_helper_sve_ldsds_le_zsu,
NULL, },
{ gen_helper_sve_ldbdu_zsu,
gen_helper_sve_ldhdu_le_zsu,
gen_helper_sve_ldsdu_le_zsu,
gen_helper_sve_lddd_le_zsu, } },
{ { gen_helper_sve_ldbds_zss,
gen_helper_sve_ldhds_le_zss,
gen_helper_sve_ldsds_le_zss,
NULL, },
{ gen_helper_sve_ldbdu_zss,
gen_helper_sve_ldhdu_le_zss,
gen_helper_sve_ldsdu_le_zss,
gen_helper_sve_lddd_le_zss, } },
{ { gen_helper_sve_ldbds_zd,
gen_helper_sve_ldhds_le_zd,
gen_helper_sve_ldsds_le_zd,
NULL, },
{ gen_helper_sve_ldbdu_zd,
gen_helper_sve_ldhdu_le_zd,
gen_helper_sve_ldsdu_le_zd,
gen_helper_sve_lddd_le_zd, } } },
/* First-fault */
{ { { gen_helper_sve_ldffbds_zsu,
gen_helper_sve_ldffhds_le_zsu,
gen_helper_sve_ldffsds_le_zsu,
NULL, },
{ gen_helper_sve_ldffbdu_zsu,
gen_helper_sve_ldffhdu_le_zsu,
gen_helper_sve_ldffsdu_le_zsu,
gen_helper_sve_ldffdd_le_zsu, } },
{ { gen_helper_sve_ldffbds_zss,
gen_helper_sve_ldffhds_le_zss,
gen_helper_sve_ldffsds_le_zss,
NULL, },
{ gen_helper_sve_ldffbdu_zss,
gen_helper_sve_ldffhdu_le_zss,
gen_helper_sve_ldffsdu_le_zss,
gen_helper_sve_ldffdd_le_zss, } },
{ { gen_helper_sve_ldffbds_zd,
gen_helper_sve_ldffhds_le_zd,
gen_helper_sve_ldffsds_le_zd,
NULL, },
{ gen_helper_sve_ldffbdu_zd,
gen_helper_sve_ldffhdu_le_zd,
gen_helper_sve_ldffsdu_le_zd,
gen_helper_sve_ldffdd_le_zd, } } } },
{ /* Big-endian */
{ { { gen_helper_sve_ldbds_zsu,
gen_helper_sve_ldhds_be_zsu,
gen_helper_sve_ldsds_be_zsu,
NULL, },
{ gen_helper_sve_ldbdu_zsu,
gen_helper_sve_ldhdu_be_zsu,
gen_helper_sve_ldsdu_be_zsu,
gen_helper_sve_lddd_be_zsu, } },
{ { gen_helper_sve_ldbds_zss,
gen_helper_sve_ldhds_be_zss,
gen_helper_sve_ldsds_be_zss,
NULL, },
{ gen_helper_sve_ldbdu_zss,
gen_helper_sve_ldhdu_be_zss,
gen_helper_sve_ldsdu_be_zss,
gen_helper_sve_lddd_be_zss, } },
{ { gen_helper_sve_ldbds_zd,
gen_helper_sve_ldhds_be_zd,
gen_helper_sve_ldsds_be_zd,
NULL, },
{ gen_helper_sve_ldbdu_zd,
gen_helper_sve_ldhdu_be_zd,
gen_helper_sve_ldsdu_be_zd,
gen_helper_sve_lddd_be_zd, } } },
/* First-fault */
{ { { gen_helper_sve_ldffbds_zsu,
gen_helper_sve_ldffhds_be_zsu,
gen_helper_sve_ldffsds_be_zsu,
NULL, },
{ gen_helper_sve_ldffbdu_zsu,
gen_helper_sve_ldffhdu_be_zsu,
gen_helper_sve_ldffsdu_be_zsu,
gen_helper_sve_ldffdd_be_zsu, } },
{ { gen_helper_sve_ldffbds_zss,
gen_helper_sve_ldffhds_be_zss,
gen_helper_sve_ldffsds_be_zss,
NULL, },
{ gen_helper_sve_ldffbdu_zss,
gen_helper_sve_ldffhdu_be_zss,
gen_helper_sve_ldffsdu_be_zss,
gen_helper_sve_ldffdd_be_zss, } },
{ { gen_helper_sve_ldffbds_zd,
gen_helper_sve_ldffhds_be_zd,
gen_helper_sve_ldffsds_be_zd,
NULL, },
{ gen_helper_sve_ldffbdu_zd,
gen_helper_sve_ldffhdu_be_zd,
gen_helper_sve_ldffsdu_be_zd,
gen_helper_sve_ldffdd_be_zd, } } } } },
{ /* MTE Active */
{ /* Little-endian */
{ { { gen_helper_sve_ldbds_zsu_mte,
gen_helper_sve_ldhds_le_zsu_mte,
gen_helper_sve_ldsds_le_zsu_mte,
NULL, },
{ gen_helper_sve_ldbdu_zsu_mte,
gen_helper_sve_ldhdu_le_zsu_mte,
gen_helper_sve_ldsdu_le_zsu_mte,
gen_helper_sve_lddd_le_zsu_mte, } },
{ { gen_helper_sve_ldbds_zss_mte,
gen_helper_sve_ldhds_le_zss_mte,
gen_helper_sve_ldsds_le_zss_mte,
NULL, },
{ gen_helper_sve_ldbdu_zss_mte,
gen_helper_sve_ldhdu_le_zss_mte,
gen_helper_sve_ldsdu_le_zss_mte,
gen_helper_sve_lddd_le_zss_mte, } },
{ { gen_helper_sve_ldbds_zd_mte,
gen_helper_sve_ldhds_le_zd_mte,
gen_helper_sve_ldsds_le_zd_mte,
NULL, },
{ gen_helper_sve_ldbdu_zd_mte,
gen_helper_sve_ldhdu_le_zd_mte,
gen_helper_sve_ldsdu_le_zd_mte,
gen_helper_sve_lddd_le_zd_mte, } } },
/* First-fault */
{ { { gen_helper_sve_ldffbds_zsu_mte,
gen_helper_sve_ldffhds_le_zsu_mte,
gen_helper_sve_ldffsds_le_zsu_mte,
NULL, },
{ gen_helper_sve_ldffbdu_zsu_mte,
gen_helper_sve_ldffhdu_le_zsu_mte,
gen_helper_sve_ldffsdu_le_zsu_mte,
gen_helper_sve_ldffdd_le_zsu_mte, } },
{ { gen_helper_sve_ldffbds_zss_mte,
gen_helper_sve_ldffhds_le_zss_mte,
gen_helper_sve_ldffsds_le_zss_mte,
NULL, },
{ gen_helper_sve_ldffbdu_zss_mte,
gen_helper_sve_ldffhdu_le_zss_mte,
gen_helper_sve_ldffsdu_le_zss_mte,
gen_helper_sve_ldffdd_le_zss_mte, } },
{ { gen_helper_sve_ldffbds_zd_mte,
gen_helper_sve_ldffhds_le_zd_mte,
gen_helper_sve_ldffsds_le_zd_mte,
NULL, },
{ gen_helper_sve_ldffbdu_zd_mte,
gen_helper_sve_ldffhdu_le_zd_mte,
gen_helper_sve_ldffsdu_le_zd_mte,
gen_helper_sve_ldffdd_le_zd_mte, } } } },
{ /* Big-endian */
{ { { gen_helper_sve_ldbds_zsu_mte,
gen_helper_sve_ldhds_be_zsu_mte,
gen_helper_sve_ldsds_be_zsu_mte,
NULL, },
{ gen_helper_sve_ldbdu_zsu_mte,
gen_helper_sve_ldhdu_be_zsu_mte,
gen_helper_sve_ldsdu_be_zsu_mte,
gen_helper_sve_lddd_be_zsu_mte, } },
{ { gen_helper_sve_ldbds_zss_mte,
gen_helper_sve_ldhds_be_zss_mte,
gen_helper_sve_ldsds_be_zss_mte,
NULL, },
{ gen_helper_sve_ldbdu_zss_mte,
gen_helper_sve_ldhdu_be_zss_mte,
gen_helper_sve_ldsdu_be_zss_mte,
gen_helper_sve_lddd_be_zss_mte, } },
{ { gen_helper_sve_ldbds_zd_mte,
gen_helper_sve_ldhds_be_zd_mte,
gen_helper_sve_ldsds_be_zd_mte,
NULL, },
{ gen_helper_sve_ldbdu_zd_mte,
gen_helper_sve_ldhdu_be_zd_mte,
gen_helper_sve_ldsdu_be_zd_mte,
gen_helper_sve_lddd_be_zd_mte, } } },
/* First-fault */
{ { { gen_helper_sve_ldffbds_zsu_mte,
gen_helper_sve_ldffhds_be_zsu_mte,
gen_helper_sve_ldffsds_be_zsu_mte,
NULL, },
{ gen_helper_sve_ldffbdu_zsu_mte,
gen_helper_sve_ldffhdu_be_zsu_mte,
gen_helper_sve_ldffsdu_be_zsu_mte,
gen_helper_sve_ldffdd_be_zsu_mte, } },
{ { gen_helper_sve_ldffbds_zss_mte,
gen_helper_sve_ldffhds_be_zss_mte,
gen_helper_sve_ldffsds_be_zss_mte,
NULL, },
{ gen_helper_sve_ldffbdu_zss_mte,
gen_helper_sve_ldffhdu_be_zss_mte,
gen_helper_sve_ldffsdu_be_zss_mte,
gen_helper_sve_ldffdd_be_zss_mte, } },
{ { gen_helper_sve_ldffbds_zd_mte,
gen_helper_sve_ldffhds_be_zd_mte,
gen_helper_sve_ldffsds_be_zd_mte,
NULL, },
{ gen_helper_sve_ldffbdu_zd_mte,
gen_helper_sve_ldffhdu_be_zd_mte,
gen_helper_sve_ldffsdu_be_zd_mte,
gen_helper_sve_ldffdd_be_zd_mte, } } } } },
};
static bool trans_LD1_zprz(DisasContext *s, arg_LD1_zprz *a)
{
gen_helper_gvec_mem_scatter *fn = NULL;
bool be = s->be_data == MO_BE;
bool mte = s->mte_active[0];
if (!dc_isar_feature(aa64_sve, s)) {
return false;
}
s->is_nonstreaming = true;
if (!sve_access_check(s)) {
return true;
}
switch (a->esz) {
case MO_32:
fn = gather_load_fn32[mte][be][a->ff][a->xs][a->u][a->msz];
break;
case MO_64:
fn = gather_load_fn64[mte][be][a->ff][a->xs][a->u][a->msz];
break;
}
assert(fn != NULL);
do_mem_zpz(s, a->rd, a->pg, a->rm, a->scale * a->msz,
cpu_reg_sp(s, a->rn), a->msz, false, fn);
return true;
}
static bool trans_LD1_zpiz(DisasContext *s, arg_LD1_zpiz *a)
{
gen_helper_gvec_mem_scatter *fn = NULL;
bool be = s->be_data == MO_BE;
bool mte = s->mte_active[0];
if (a->esz < a->msz || (a->esz == a->msz && !a->u)) {
return false;
}
if (!dc_isar_feature(aa64_sve, s)) {
return false;
}
s->is_nonstreaming = true;
if (!sve_access_check(s)) {
return true;
}
switch (a->esz) {
case MO_32:
fn = gather_load_fn32[mte][be][a->ff][0][a->u][a->msz];
break;
case MO_64:
fn = gather_load_fn64[mte][be][a->ff][2][a->u][a->msz];
break;
}
assert(fn != NULL);
/* Treat LD1_zpiz (zn[x] + imm) the same way as LD1_zprz (rn + zm[x])
* by loading the immediate into the scalar parameter.
*/
do_mem_zpz(s, a->rd, a->pg, a->rn, 0,
tcg_constant_i64(a->imm << a->msz), a->msz, false, fn);
return true;
}
static bool trans_LDNT1_zprz(DisasContext *s, arg_LD1_zprz *a)
{
gen_helper_gvec_mem_scatter *fn = NULL;
bool be = s->be_data == MO_BE;
bool mte = s->mte_active[0];
if (a->esz < a->msz + !a->u) {
return false;
}
if (!dc_isar_feature(aa64_sve2, s)) {
return false;
}
s->is_nonstreaming = true;
if (!sve_access_check(s)) {
return true;
}
switch (a->esz) {
case MO_32:
fn = gather_load_fn32[mte][be][0][0][a->u][a->msz];
break;
case MO_64:
fn = gather_load_fn64[mte][be][0][2][a->u][a->msz];
break;
}
assert(fn != NULL);
do_mem_zpz(s, a->rd, a->pg, a->rn, 0,
cpu_reg(s, a->rm), a->msz, false, fn);
return true;
}
/* Indexed by [mte][be][xs][msz]. */
static gen_helper_gvec_mem_scatter * const scatter_store_fn32[2][2][2][3] = {
{ /* MTE Inactive */
{ /* Little-endian */
{ gen_helper_sve_stbs_zsu,
gen_helper_sve_sths_le_zsu,
gen_helper_sve_stss_le_zsu, },
{ gen_helper_sve_stbs_zss,
gen_helper_sve_sths_le_zss,
gen_helper_sve_stss_le_zss, } },
{ /* Big-endian */
{ gen_helper_sve_stbs_zsu,
gen_helper_sve_sths_be_zsu,
gen_helper_sve_stss_be_zsu, },
{ gen_helper_sve_stbs_zss,
gen_helper_sve_sths_be_zss,
gen_helper_sve_stss_be_zss, } } },
{ /* MTE Active */
{ /* Little-endian */
{ gen_helper_sve_stbs_zsu_mte,
gen_helper_sve_sths_le_zsu_mte,
gen_helper_sve_stss_le_zsu_mte, },
{ gen_helper_sve_stbs_zss_mte,
gen_helper_sve_sths_le_zss_mte,
gen_helper_sve_stss_le_zss_mte, } },
{ /* Big-endian */
{ gen_helper_sve_stbs_zsu_mte,
gen_helper_sve_sths_be_zsu_mte,
gen_helper_sve_stss_be_zsu_mte, },
{ gen_helper_sve_stbs_zss_mte,
gen_helper_sve_sths_be_zss_mte,
gen_helper_sve_stss_be_zss_mte, } } },
};
/* Note that we overload xs=2 to indicate 64-bit offset. */
static gen_helper_gvec_mem_scatter * const scatter_store_fn64[2][2][3][4] = {
{ /* MTE Inactive */
{ /* Little-endian */
{ gen_helper_sve_stbd_zsu,
gen_helper_sve_sthd_le_zsu,
gen_helper_sve_stsd_le_zsu,
gen_helper_sve_stdd_le_zsu, },
{ gen_helper_sve_stbd_zss,
gen_helper_sve_sthd_le_zss,
gen_helper_sve_stsd_le_zss,
gen_helper_sve_stdd_le_zss, },
{ gen_helper_sve_stbd_zd,
gen_helper_sve_sthd_le_zd,
gen_helper_sve_stsd_le_zd,
gen_helper_sve_stdd_le_zd, } },
{ /* Big-endian */
{ gen_helper_sve_stbd_zsu,
gen_helper_sve_sthd_be_zsu,
gen_helper_sve_stsd_be_zsu,
gen_helper_sve_stdd_be_zsu, },
{ gen_helper_sve_stbd_zss,
gen_helper_sve_sthd_be_zss,
gen_helper_sve_stsd_be_zss,
gen_helper_sve_stdd_be_zss, },
{ gen_helper_sve_stbd_zd,
gen_helper_sve_sthd_be_zd,
gen_helper_sve_stsd_be_zd,
gen_helper_sve_stdd_be_zd, } } },
{ /* MTE Inactive */
{ /* Little-endian */
{ gen_helper_sve_stbd_zsu_mte,
gen_helper_sve_sthd_le_zsu_mte,
gen_helper_sve_stsd_le_zsu_mte,
gen_helper_sve_stdd_le_zsu_mte, },
{ gen_helper_sve_stbd_zss_mte,
gen_helper_sve_sthd_le_zss_mte,
gen_helper_sve_stsd_le_zss_mte,
gen_helper_sve_stdd_le_zss_mte, },
{ gen_helper_sve_stbd_zd_mte,
gen_helper_sve_sthd_le_zd_mte,
gen_helper_sve_stsd_le_zd_mte,
gen_helper_sve_stdd_le_zd_mte, } },
{ /* Big-endian */
{ gen_helper_sve_stbd_zsu_mte,
gen_helper_sve_sthd_be_zsu_mte,
gen_helper_sve_stsd_be_zsu_mte,
gen_helper_sve_stdd_be_zsu_mte, },
{ gen_helper_sve_stbd_zss_mte,
gen_helper_sve_sthd_be_zss_mte,
gen_helper_sve_stsd_be_zss_mte,
gen_helper_sve_stdd_be_zss_mte, },
{ gen_helper_sve_stbd_zd_mte,
gen_helper_sve_sthd_be_zd_mte,
gen_helper_sve_stsd_be_zd_mte,
gen_helper_sve_stdd_be_zd_mte, } } },
};
static bool trans_ST1_zprz(DisasContext *s, arg_ST1_zprz *a)
{
gen_helper_gvec_mem_scatter *fn;
bool be = s->be_data == MO_BE;
bool mte = s->mte_active[0];
if (a->esz < a->msz || (a->msz == 0 && a->scale)) {
return false;
}
if (!dc_isar_feature(aa64_sve, s)) {
return false;
}
s->is_nonstreaming = true;
if (!sve_access_check(s)) {
return true;
}
switch (a->esz) {
case MO_32:
fn = scatter_store_fn32[mte][be][a->xs][a->msz];
break;
case MO_64:
fn = scatter_store_fn64[mte][be][a->xs][a->msz];
break;
default:
g_assert_not_reached();
}
do_mem_zpz(s, a->rd, a->pg, a->rm, a->scale * a->msz,
cpu_reg_sp(s, a->rn), a->msz, true, fn);
return true;
}
static bool trans_ST1_zpiz(DisasContext *s, arg_ST1_zpiz *a)
{
gen_helper_gvec_mem_scatter *fn = NULL;
bool be = s->be_data == MO_BE;
bool mte = s->mte_active[0];
if (a->esz < a->msz) {
return false;
}
if (!dc_isar_feature(aa64_sve, s)) {
return false;
}
s->is_nonstreaming = true;
if (!sve_access_check(s)) {
return true;
}
switch (a->esz) {
case MO_32:
fn = scatter_store_fn32[mte][be][0][a->msz];
break;
case MO_64:
fn = scatter_store_fn64[mte][be][2][a->msz];
break;
}
assert(fn != NULL);
/* Treat ST1_zpiz (zn[x] + imm) the same way as ST1_zprz (rn + zm[x])
* by loading the immediate into the scalar parameter.
*/
do_mem_zpz(s, a->rd, a->pg, a->rn, 0,
tcg_constant_i64(a->imm << a->msz), a->msz, true, fn);
return true;
}
static bool trans_STNT1_zprz(DisasContext *s, arg_ST1_zprz *a)
{
gen_helper_gvec_mem_scatter *fn;
bool be = s->be_data == MO_BE;
bool mte = s->mte_active[0];
if (a->esz < a->msz) {
return false;
}
if (!dc_isar_feature(aa64_sve2, s)) {
return false;
}
s->is_nonstreaming = true;
if (!sve_access_check(s)) {
return true;
}
switch (a->esz) {
case MO_32:
fn = scatter_store_fn32[mte][be][0][a->msz];
break;
case MO_64:
fn = scatter_store_fn64[mte][be][2][a->msz];
break;
default:
g_assert_not_reached();
}
do_mem_zpz(s, a->rd, a->pg, a->rn, 0,
cpu_reg(s, a->rm), a->msz, true, fn);
return true;
}
/*
* Prefetches
*/
static bool trans_PRF(DisasContext *s, arg_PRF *a)
{
if (!dc_isar_feature(aa64_sve, s)) {
return false;
}
/* Prefetch is a nop within QEMU. */
(void)sve_access_check(s);
return true;
}
static bool trans_PRF_rr(DisasContext *s, arg_PRF_rr *a)
{
if (a->rm == 31 || !dc_isar_feature(aa64_sve, s)) {
return false;
}
/* Prefetch is a nop within QEMU. */
(void)sve_access_check(s);
return true;
}
static bool trans_PRF_ns(DisasContext *s, arg_PRF_ns *a)
{
if (!dc_isar_feature(aa64_sve, s)) {
return false;
}
/* Prefetch is a nop within QEMU. */
s->is_nonstreaming = true;
(void)sve_access_check(s);
return true;
}
/*
* Move Prefix
*
* TODO: The implementation so far could handle predicated merging movprfx.
* The helper functions as written take an extra source register to
* use in the operation, but the result is only written when predication
* succeeds. For unpredicated movprfx, we need to rearrange the helpers
* to allow the final write back to the destination to be unconditional.
* For predicated zeroing movprfx, we need to rearrange the helpers to
* allow the final write back to zero inactives.
*
* In the meantime, just emit the moves.
*/
TRANS_FEAT(MOVPRFX, aa64_sve, do_mov_z, a->rd, a->rn)
TRANS_FEAT(MOVPRFX_m, aa64_sve, do_sel_z, a->rd, a->rn, a->rd, a->pg, a->esz)
TRANS_FEAT(MOVPRFX_z, aa64_sve, do_movz_zpz, a->rd, a->rn, a->pg, a->esz, false)
/*
* SVE2 Integer Multiply - Unpredicated
*/
TRANS_FEAT(MUL_zzz, aa64_sve2, gen_gvec_fn_arg_zzz, tcg_gen_gvec_mul, a)
static gen_helper_gvec_3 * const smulh_zzz_fns[4] = {
gen_helper_gvec_smulh_b, gen_helper_gvec_smulh_h,
gen_helper_gvec_smulh_s, gen_helper_gvec_smulh_d,
};
TRANS_FEAT(SMULH_zzz, aa64_sve2, gen_gvec_ool_arg_zzz,
smulh_zzz_fns[a->esz], a, 0)
static gen_helper_gvec_3 * const umulh_zzz_fns[4] = {
gen_helper_gvec_umulh_b, gen_helper_gvec_umulh_h,
gen_helper_gvec_umulh_s, gen_helper_gvec_umulh_d,
};
TRANS_FEAT(UMULH_zzz, aa64_sve2, gen_gvec_ool_arg_zzz,
umulh_zzz_fns[a->esz], a, 0)
TRANS_FEAT(PMUL_zzz, aa64_sve2, gen_gvec_ool_arg_zzz,
gen_helper_gvec_pmul_b, a, 0)
static gen_helper_gvec_3 * const sqdmulh_zzz_fns[4] = {
gen_helper_sve2_sqdmulh_b, gen_helper_sve2_sqdmulh_h,
gen_helper_sve2_sqdmulh_s, gen_helper_sve2_sqdmulh_d,
};
TRANS_FEAT(SQDMULH_zzz, aa64_sve2, gen_gvec_ool_arg_zzz,
sqdmulh_zzz_fns[a->esz], a, 0)
static gen_helper_gvec_3 * const sqrdmulh_zzz_fns[4] = {
gen_helper_sve2_sqrdmulh_b, gen_helper_sve2_sqrdmulh_h,
gen_helper_sve2_sqrdmulh_s, gen_helper_sve2_sqrdmulh_d,
};
TRANS_FEAT(SQRDMULH_zzz, aa64_sve2, gen_gvec_ool_arg_zzz,
sqrdmulh_zzz_fns[a->esz], a, 0)
/*
* SVE2 Integer - Predicated
*/
static gen_helper_gvec_4 * const sadlp_fns[4] = {
NULL, gen_helper_sve2_sadalp_zpzz_h,
gen_helper_sve2_sadalp_zpzz_s, gen_helper_sve2_sadalp_zpzz_d,
};
TRANS_FEAT(SADALP_zpzz, aa64_sve2, gen_gvec_ool_arg_zpzz,
sadlp_fns[a->esz], a, 0)
static gen_helper_gvec_4 * const uadlp_fns[4] = {
NULL, gen_helper_sve2_uadalp_zpzz_h,
gen_helper_sve2_uadalp_zpzz_s, gen_helper_sve2_uadalp_zpzz_d,
};
TRANS_FEAT(UADALP_zpzz, aa64_sve2, gen_gvec_ool_arg_zpzz,
uadlp_fns[a->esz], a, 0)
/*
* SVE2 integer unary operations (predicated)
*/
TRANS_FEAT(URECPE, aa64_sve2, gen_gvec_ool_arg_zpz,
a->esz == 2 ? gen_helper_sve2_urecpe_s : NULL, a, 0)
TRANS_FEAT(URSQRTE, aa64_sve2, gen_gvec_ool_arg_zpz,
a->esz == 2 ? gen_helper_sve2_ursqrte_s : NULL, a, 0)
static gen_helper_gvec_3 * const sqabs_fns[4] = {
gen_helper_sve2_sqabs_b, gen_helper_sve2_sqabs_h,
gen_helper_sve2_sqabs_s, gen_helper_sve2_sqabs_d,
};
TRANS_FEAT(SQABS, aa64_sve2, gen_gvec_ool_arg_zpz, sqabs_fns[a->esz], a, 0)
static gen_helper_gvec_3 * const sqneg_fns[4] = {
gen_helper_sve2_sqneg_b, gen_helper_sve2_sqneg_h,
gen_helper_sve2_sqneg_s, gen_helper_sve2_sqneg_d,
};
TRANS_FEAT(SQNEG, aa64_sve2, gen_gvec_ool_arg_zpz, sqneg_fns[a->esz], a, 0)
DO_ZPZZ(SQSHL, aa64_sve2, sve2_sqshl)
DO_ZPZZ(SQRSHL, aa64_sve2, sve2_sqrshl)
DO_ZPZZ(SRSHL, aa64_sve2, sve2_srshl)
DO_ZPZZ(UQSHL, aa64_sve2, sve2_uqshl)
DO_ZPZZ(UQRSHL, aa64_sve2, sve2_uqrshl)
DO_ZPZZ(URSHL, aa64_sve2, sve2_urshl)
DO_ZPZZ(SHADD, aa64_sve2, sve2_shadd)
DO_ZPZZ(SRHADD, aa64_sve2, sve2_srhadd)
DO_ZPZZ(SHSUB, aa64_sve2, sve2_shsub)
DO_ZPZZ(UHADD, aa64_sve2, sve2_uhadd)
DO_ZPZZ(URHADD, aa64_sve2, sve2_urhadd)
DO_ZPZZ(UHSUB, aa64_sve2, sve2_uhsub)
DO_ZPZZ(ADDP, aa64_sve2, sve2_addp)
DO_ZPZZ(SMAXP, aa64_sve2, sve2_smaxp)
DO_ZPZZ(UMAXP, aa64_sve2, sve2_umaxp)
DO_ZPZZ(SMINP, aa64_sve2, sve2_sminp)
DO_ZPZZ(UMINP, aa64_sve2, sve2_uminp)
DO_ZPZZ(SQADD_zpzz, aa64_sve2, sve2_sqadd)
DO_ZPZZ(UQADD_zpzz, aa64_sve2, sve2_uqadd)
DO_ZPZZ(SQSUB_zpzz, aa64_sve2, sve2_sqsub)
DO_ZPZZ(UQSUB_zpzz, aa64_sve2, sve2_uqsub)
DO_ZPZZ(SUQADD, aa64_sve2, sve2_suqadd)
DO_ZPZZ(USQADD, aa64_sve2, sve2_usqadd)
/*
* SVE2 Widening Integer Arithmetic
*/
static gen_helper_gvec_3 * const saddl_fns[4] = {
NULL, gen_helper_sve2_saddl_h,
gen_helper_sve2_saddl_s, gen_helper_sve2_saddl_d,
};
TRANS_FEAT(SADDLB, aa64_sve2, gen_gvec_ool_arg_zzz,
saddl_fns[a->esz], a, 0)
TRANS_FEAT(SADDLT, aa64_sve2, gen_gvec_ool_arg_zzz,
saddl_fns[a->esz], a, 3)
TRANS_FEAT(SADDLBT, aa64_sve2, gen_gvec_ool_arg_zzz,
saddl_fns[a->esz], a, 2)
static gen_helper_gvec_3 * const ssubl_fns[4] = {
NULL, gen_helper_sve2_ssubl_h,
gen_helper_sve2_ssubl_s, gen_helper_sve2_ssubl_d,
};
TRANS_FEAT(SSUBLB, aa64_sve2, gen_gvec_ool_arg_zzz,
ssubl_fns[a->esz], a, 0)
TRANS_FEAT(SSUBLT, aa64_sve2, gen_gvec_ool_arg_zzz,
ssubl_fns[a->esz], a, 3)
TRANS_FEAT(SSUBLBT, aa64_sve2, gen_gvec_ool_arg_zzz,
ssubl_fns[a->esz], a, 2)
TRANS_FEAT(SSUBLTB, aa64_sve2, gen_gvec_ool_arg_zzz,
ssubl_fns[a->esz], a, 1)
static gen_helper_gvec_3 * const sabdl_fns[4] = {
NULL, gen_helper_sve2_sabdl_h,
gen_helper_sve2_sabdl_s, gen_helper_sve2_sabdl_d,
};
TRANS_FEAT(SABDLB, aa64_sve2, gen_gvec_ool_arg_zzz,
sabdl_fns[a->esz], a, 0)
TRANS_FEAT(SABDLT, aa64_sve2, gen_gvec_ool_arg_zzz,
sabdl_fns[a->esz], a, 3)
static gen_helper_gvec_3 * const uaddl_fns[4] = {
NULL, gen_helper_sve2_uaddl_h,
gen_helper_sve2_uaddl_s, gen_helper_sve2_uaddl_d,
};
TRANS_FEAT(UADDLB, aa64_sve2, gen_gvec_ool_arg_zzz,
uaddl_fns[a->esz], a, 0)
TRANS_FEAT(UADDLT, aa64_sve2, gen_gvec_ool_arg_zzz,
uaddl_fns[a->esz], a, 3)
static gen_helper_gvec_3 * const usubl_fns[4] = {
NULL, gen_helper_sve2_usubl_h,
gen_helper_sve2_usubl_s, gen_helper_sve2_usubl_d,
};
TRANS_FEAT(USUBLB, aa64_sve2, gen_gvec_ool_arg_zzz,
usubl_fns[a->esz], a, 0)
TRANS_FEAT(USUBLT, aa64_sve2, gen_gvec_ool_arg_zzz,
usubl_fns[a->esz], a, 3)
static gen_helper_gvec_3 * const uabdl_fns[4] = {
NULL, gen_helper_sve2_uabdl_h,
gen_helper_sve2_uabdl_s, gen_helper_sve2_uabdl_d,
};
TRANS_FEAT(UABDLB, aa64_sve2, gen_gvec_ool_arg_zzz,
uabdl_fns[a->esz], a, 0)
TRANS_FEAT(UABDLT, aa64_sve2, gen_gvec_ool_arg_zzz,
uabdl_fns[a->esz], a, 3)
static gen_helper_gvec_3 * const sqdmull_fns[4] = {
NULL, gen_helper_sve2_sqdmull_zzz_h,
gen_helper_sve2_sqdmull_zzz_s, gen_helper_sve2_sqdmull_zzz_d,
};
TRANS_FEAT(SQDMULLB_zzz, aa64_sve2, gen_gvec_ool_arg_zzz,
sqdmull_fns[a->esz], a, 0)
TRANS_FEAT(SQDMULLT_zzz, aa64_sve2, gen_gvec_ool_arg_zzz,
sqdmull_fns[a->esz], a, 3)
static gen_helper_gvec_3 * const smull_fns[4] = {
NULL, gen_helper_sve2_smull_zzz_h,
gen_helper_sve2_smull_zzz_s, gen_helper_sve2_smull_zzz_d,
};
TRANS_FEAT(SMULLB_zzz, aa64_sve2, gen_gvec_ool_arg_zzz,
smull_fns[a->esz], a, 0)
TRANS_FEAT(SMULLT_zzz, aa64_sve2, gen_gvec_ool_arg_zzz,
smull_fns[a->esz], a, 3)
static gen_helper_gvec_3 * const umull_fns[4] = {
NULL, gen_helper_sve2_umull_zzz_h,
gen_helper_sve2_umull_zzz_s, gen_helper_sve2_umull_zzz_d,
};
TRANS_FEAT(UMULLB_zzz, aa64_sve2, gen_gvec_ool_arg_zzz,
umull_fns[a->esz], a, 0)
TRANS_FEAT(UMULLT_zzz, aa64_sve2, gen_gvec_ool_arg_zzz,
umull_fns[a->esz], a, 3)
static gen_helper_gvec_3 * const eoril_fns[4] = {
gen_helper_sve2_eoril_b, gen_helper_sve2_eoril_h,
gen_helper_sve2_eoril_s, gen_helper_sve2_eoril_d,
};
TRANS_FEAT(EORBT, aa64_sve2, gen_gvec_ool_arg_zzz, eoril_fns[a->esz], a, 2)
TRANS_FEAT(EORTB, aa64_sve2, gen_gvec_ool_arg_zzz, eoril_fns[a->esz], a, 1)
static bool do_trans_pmull(DisasContext *s, arg_rrr_esz *a, bool sel)
{
static gen_helper_gvec_3 * const fns[4] = {
gen_helper_gvec_pmull_q, gen_helper_sve2_pmull_h,
NULL, gen_helper_sve2_pmull_d,
};
if (a->esz == 0) {
if (!dc_isar_feature(aa64_sve2_pmull128, s)) {
return false;
}
s->is_nonstreaming = true;
} else if (!dc_isar_feature(aa64_sve, s)) {
return false;
}
return gen_gvec_ool_arg_zzz(s, fns[a->esz], a, sel);
}
TRANS_FEAT(PMULLB, aa64_sve2, do_trans_pmull, a, false)
TRANS_FEAT(PMULLT, aa64_sve2, do_trans_pmull, a, true)
static gen_helper_gvec_3 * const saddw_fns[4] = {
NULL, gen_helper_sve2_saddw_h,
gen_helper_sve2_saddw_s, gen_helper_sve2_saddw_d,
};
TRANS_FEAT(SADDWB, aa64_sve2, gen_gvec_ool_arg_zzz, saddw_fns[a->esz], a, 0)
TRANS_FEAT(SADDWT, aa64_sve2, gen_gvec_ool_arg_zzz, saddw_fns[a->esz], a, 1)
static gen_helper_gvec_3 * const ssubw_fns[4] = {
NULL, gen_helper_sve2_ssubw_h,
gen_helper_sve2_ssubw_s, gen_helper_sve2_ssubw_d,
};
TRANS_FEAT(SSUBWB, aa64_sve2, gen_gvec_ool_arg_zzz, ssubw_fns[a->esz], a, 0)
TRANS_FEAT(SSUBWT, aa64_sve2, gen_gvec_ool_arg_zzz, ssubw_fns[a->esz], a, 1)
static gen_helper_gvec_3 * const uaddw_fns[4] = {
NULL, gen_helper_sve2_uaddw_h,
gen_helper_sve2_uaddw_s, gen_helper_sve2_uaddw_d,
};
TRANS_FEAT(UADDWB, aa64_sve2, gen_gvec_ool_arg_zzz, uaddw_fns[a->esz], a, 0)
TRANS_FEAT(UADDWT, aa64_sve2, gen_gvec_ool_arg_zzz, uaddw_fns[a->esz], a, 1)
static gen_helper_gvec_3 * const usubw_fns[4] = {
NULL, gen_helper_sve2_usubw_h,
gen_helper_sve2_usubw_s, gen_helper_sve2_usubw_d,
};
TRANS_FEAT(USUBWB, aa64_sve2, gen_gvec_ool_arg_zzz, usubw_fns[a->esz], a, 0)
TRANS_FEAT(USUBWT, aa64_sve2, gen_gvec_ool_arg_zzz, usubw_fns[a->esz], a, 1)
static void gen_sshll_vec(unsigned vece, TCGv_vec d, TCGv_vec n, int64_t imm)
{
int top = imm & 1;
int shl = imm >> 1;
int halfbits = 4 << vece;
if (top) {
if (shl == halfbits) {
TCGv_vec t = tcg_temp_new_vec_matching(d);
tcg_gen_dupi_vec(vece, t, MAKE_64BIT_MASK(halfbits, halfbits));
tcg_gen_and_vec(vece, d, n, t);
} else {
tcg_gen_sari_vec(vece, d, n, halfbits);
tcg_gen_shli_vec(vece, d, d, shl);
}
} else {
tcg_gen_shli_vec(vece, d, n, halfbits);
tcg_gen_sari_vec(vece, d, d, halfbits - shl);
}
}
static void gen_ushll_i64(unsigned vece, TCGv_i64 d, TCGv_i64 n, int imm)
{
int halfbits = 4 << vece;
int top = imm & 1;
int shl = (imm >> 1);
int shift;
uint64_t mask;
mask = MAKE_64BIT_MASK(0, halfbits);
mask <<= shl;
mask = dup_const(vece, mask);
shift = shl - top * halfbits;
if (shift < 0) {
tcg_gen_shri_i64(d, n, -shift);
} else {
tcg_gen_shli_i64(d, n, shift);
}
tcg_gen_andi_i64(d, d, mask);
}
static void gen_ushll16_i64(TCGv_i64 d, TCGv_i64 n, int64_t imm)
{
gen_ushll_i64(MO_16, d, n, imm);
}
static void gen_ushll32_i64(TCGv_i64 d, TCGv_i64 n, int64_t imm)
{
gen_ushll_i64(MO_32, d, n, imm);
}
static void gen_ushll64_i64(TCGv_i64 d, TCGv_i64 n, int64_t imm)
{
gen_ushll_i64(MO_64, d, n, imm);
}
static void gen_ushll_vec(unsigned vece, TCGv_vec d, TCGv_vec n, int64_t imm)
{
int halfbits = 4 << vece;
int top = imm & 1;
int shl = imm >> 1;
if (top) {
if (shl == halfbits) {
TCGv_vec t = tcg_temp_new_vec_matching(d);
tcg_gen_dupi_vec(vece, t, MAKE_64BIT_MASK(halfbits, halfbits));
tcg_gen_and_vec(vece, d, n, t);
} else {
tcg_gen_shri_vec(vece, d, n, halfbits);
tcg_gen_shli_vec(vece, d, d, shl);
}
} else {
if (shl == 0) {
TCGv_vec t = tcg_temp_new_vec_matching(d);
tcg_gen_dupi_vec(vece, t, MAKE_64BIT_MASK(0, halfbits));
tcg_gen_and_vec(vece, d, n, t);
} else {
tcg_gen_shli_vec(vece, d, n, halfbits);
tcg_gen_shri_vec(vece, d, d, halfbits - shl);
}
}
}
static bool do_shll_tb(DisasContext *s, arg_rri_esz *a,
const GVecGen2i ops[3], bool sel)
{
if (a->esz < 0 || a->esz > 2) {
return false;
}
if (sve_access_check(s)) {
unsigned vsz = vec_full_reg_size(s);
tcg_gen_gvec_2i(vec_full_reg_offset(s, a->rd),
vec_full_reg_offset(s, a->rn),
vsz, vsz, (a->imm << 1) | sel,
&ops[a->esz]);
}
return true;
}
static const TCGOpcode sshll_list[] = {
INDEX_op_shli_vec, INDEX_op_sari_vec, 0
};
static const GVecGen2i sshll_ops[3] = {
{ .fniv = gen_sshll_vec,
.opt_opc = sshll_list,
.fno = gen_helper_sve2_sshll_h,
.vece = MO_16 },
{ .fniv = gen_sshll_vec,
.opt_opc = sshll_list,
.fno = gen_helper_sve2_sshll_s,
.vece = MO_32 },
{ .fniv = gen_sshll_vec,
.opt_opc = sshll_list,
.fno = gen_helper_sve2_sshll_d,
.vece = MO_64 }
};
TRANS_FEAT(SSHLLB, aa64_sve2, do_shll_tb, a, sshll_ops, false)
TRANS_FEAT(SSHLLT, aa64_sve2, do_shll_tb, a, sshll_ops, true)
static const TCGOpcode ushll_list[] = {
INDEX_op_shli_vec, INDEX_op_shri_vec, 0
};
static const GVecGen2i ushll_ops[3] = {
{ .fni8 = gen_ushll16_i64,
.fniv = gen_ushll_vec,
.opt_opc = ushll_list,
.fno = gen_helper_sve2_ushll_h,
.vece = MO_16 },
{ .fni8 = gen_ushll32_i64,
.fniv = gen_ushll_vec,
.opt_opc = ushll_list,
.fno = gen_helper_sve2_ushll_s,
.vece = MO_32 },
{ .fni8 = gen_ushll64_i64,
.fniv = gen_ushll_vec,
.opt_opc = ushll_list,
.fno = gen_helper_sve2_ushll_d,
.vece = MO_64 },
};
TRANS_FEAT(USHLLB, aa64_sve2, do_shll_tb, a, ushll_ops, false)
TRANS_FEAT(USHLLT, aa64_sve2, do_shll_tb, a, ushll_ops, true)
static gen_helper_gvec_3 * const bext_fns[4] = {
gen_helper_sve2_bext_b, gen_helper_sve2_bext_h,
gen_helper_sve2_bext_s, gen_helper_sve2_bext_d,
};
TRANS_FEAT_NONSTREAMING(BEXT, aa64_sve2_bitperm, gen_gvec_ool_arg_zzz,
bext_fns[a->esz], a, 0)
static gen_helper_gvec_3 * const bdep_fns[4] = {
gen_helper_sve2_bdep_b, gen_helper_sve2_bdep_h,
gen_helper_sve2_bdep_s, gen_helper_sve2_bdep_d,
};
TRANS_FEAT_NONSTREAMING(BDEP, aa64_sve2_bitperm, gen_gvec_ool_arg_zzz,
bdep_fns[a->esz], a, 0)
static gen_helper_gvec_3 * const bgrp_fns[4] = {
gen_helper_sve2_bgrp_b, gen_helper_sve2_bgrp_h,
gen_helper_sve2_bgrp_s, gen_helper_sve2_bgrp_d,
};
TRANS_FEAT_NONSTREAMING(BGRP, aa64_sve2_bitperm, gen_gvec_ool_arg_zzz,
bgrp_fns[a->esz], a, 0)
static gen_helper_gvec_3 * const cadd_fns[4] = {
gen_helper_sve2_cadd_b, gen_helper_sve2_cadd_h,
gen_helper_sve2_cadd_s, gen_helper_sve2_cadd_d,
};
TRANS_FEAT(CADD_rot90, aa64_sve2, gen_gvec_ool_arg_zzz,
cadd_fns[a->esz], a, 0)
TRANS_FEAT(CADD_rot270, aa64_sve2, gen_gvec_ool_arg_zzz,
cadd_fns[a->esz], a, 1)
static gen_helper_gvec_3 * const sqcadd_fns[4] = {
gen_helper_sve2_sqcadd_b, gen_helper_sve2_sqcadd_h,
gen_helper_sve2_sqcadd_s, gen_helper_sve2_sqcadd_d,
};
TRANS_FEAT(SQCADD_rot90, aa64_sve2, gen_gvec_ool_arg_zzz,
sqcadd_fns[a->esz], a, 0)
TRANS_FEAT(SQCADD_rot270, aa64_sve2, gen_gvec_ool_arg_zzz,
sqcadd_fns[a->esz], a, 1)
static gen_helper_gvec_4 * const sabal_fns[4] = {
NULL, gen_helper_sve2_sabal_h,
gen_helper_sve2_sabal_s, gen_helper_sve2_sabal_d,
};
TRANS_FEAT(SABALB, aa64_sve2, gen_gvec_ool_arg_zzzz, sabal_fns[a->esz], a, 0)
TRANS_FEAT(SABALT, aa64_sve2, gen_gvec_ool_arg_zzzz, sabal_fns[a->esz], a, 1)
static gen_helper_gvec_4 * const uabal_fns[4] = {
NULL, gen_helper_sve2_uabal_h,
gen_helper_sve2_uabal_s, gen_helper_sve2_uabal_d,
};
TRANS_FEAT(UABALB, aa64_sve2, gen_gvec_ool_arg_zzzz, uabal_fns[a->esz], a, 0)
TRANS_FEAT(UABALT, aa64_sve2, gen_gvec_ool_arg_zzzz, uabal_fns[a->esz], a, 1)
static bool do_adcl(DisasContext *s, arg_rrrr_esz *a, bool sel)
{
static gen_helper_gvec_4 * const fns[2] = {
gen_helper_sve2_adcl_s,
gen_helper_sve2_adcl_d,
};
/*
* Note that in this case the ESZ field encodes both size and sign.
* Split out 'subtract' into bit 1 of the data field for the helper.
*/
return gen_gvec_ool_arg_zzzz(s, fns[a->esz & 1], a, (a->esz & 2) | sel);
}
TRANS_FEAT(ADCLB, aa64_sve2, do_adcl, a, false)
TRANS_FEAT(ADCLT, aa64_sve2, do_adcl, a, true)
TRANS_FEAT(SSRA, aa64_sve2, gen_gvec_fn_arg_zzi, gen_gvec_ssra, a)
TRANS_FEAT(USRA, aa64_sve2, gen_gvec_fn_arg_zzi, gen_gvec_usra, a)
TRANS_FEAT(SRSRA, aa64_sve2, gen_gvec_fn_arg_zzi, gen_gvec_srsra, a)
TRANS_FEAT(URSRA, aa64_sve2, gen_gvec_fn_arg_zzi, gen_gvec_ursra, a)
TRANS_FEAT(SRI, aa64_sve2, gen_gvec_fn_arg_zzi, gen_gvec_sri, a)
TRANS_FEAT(SLI, aa64_sve2, gen_gvec_fn_arg_zzi, gen_gvec_sli, a)
TRANS_FEAT(SABA, aa64_sve2, gen_gvec_fn_arg_zzz, gen_gvec_saba, a)
TRANS_FEAT(UABA, aa64_sve2, gen_gvec_fn_arg_zzz, gen_gvec_uaba, a)
static bool do_narrow_extract(DisasContext *s, arg_rri_esz *a,
const GVecGen2 ops[3])
{
if (a->esz < 0 || a->esz > MO_32 || a->imm != 0) {
return false;
}
if (sve_access_check(s)) {
unsigned vsz = vec_full_reg_size(s);
tcg_gen_gvec_2(vec_full_reg_offset(s, a->rd),
vec_full_reg_offset(s, a->rn),
vsz, vsz, &ops[a->esz]);
}
return true;
}
static const TCGOpcode sqxtn_list[] = {
INDEX_op_shli_vec, INDEX_op_smin_vec, INDEX_op_smax_vec, 0
};
static void gen_sqxtnb_vec(unsigned vece, TCGv_vec d, TCGv_vec n)
{
TCGv_vec t = tcg_temp_new_vec_matching(d);
int halfbits = 4 << vece;
int64_t mask = (1ull << halfbits) - 1;
int64_t min = -1ull << (halfbits - 1);
int64_t max = -min - 1;
tcg_gen_dupi_vec(vece, t, min);
tcg_gen_smax_vec(vece, d, n, t);
tcg_gen_dupi_vec(vece, t, max);
tcg_gen_smin_vec(vece, d, d, t);
tcg_gen_dupi_vec(vece, t, mask);
tcg_gen_and_vec(vece, d, d, t);
}
static const GVecGen2 sqxtnb_ops[3] = {
{ .fniv = gen_sqxtnb_vec,
.opt_opc = sqxtn_list,
.fno = gen_helper_sve2_sqxtnb_h,
.vece = MO_16 },
{ .fniv = gen_sqxtnb_vec,
.opt_opc = sqxtn_list,
.fno = gen_helper_sve2_sqxtnb_s,
.vece = MO_32 },
{ .fniv = gen_sqxtnb_vec,
.opt_opc = sqxtn_list,
.fno = gen_helper_sve2_sqxtnb_d,
.vece = MO_64 },
};
TRANS_FEAT(SQXTNB, aa64_sve2, do_narrow_extract, a, sqxtnb_ops)
static void gen_sqxtnt_vec(unsigned vece, TCGv_vec d, TCGv_vec n)
{
TCGv_vec t = tcg_temp_new_vec_matching(d);
int halfbits = 4 << vece;
int64_t mask = (1ull << halfbits) - 1;
int64_t min = -1ull << (halfbits - 1);
int64_t max = -min - 1;
tcg_gen_dupi_vec(vece, t, min);
tcg_gen_smax_vec(vece, n, n, t);
tcg_gen_dupi_vec(vece, t, max);
tcg_gen_smin_vec(vece, n, n, t);
tcg_gen_shli_vec(vece, n, n, halfbits);
tcg_gen_dupi_vec(vece, t, mask);
tcg_gen_bitsel_vec(vece, d, t, d, n);
}
static const GVecGen2 sqxtnt_ops[3] = {
{ .fniv = gen_sqxtnt_vec,
.opt_opc = sqxtn_list,
.load_dest = true,
.fno = gen_helper_sve2_sqxtnt_h,
.vece = MO_16 },
{ .fniv = gen_sqxtnt_vec,
.opt_opc = sqxtn_list,
.load_dest = true,
.fno = gen_helper_sve2_sqxtnt_s,
.vece = MO_32 },
{ .fniv = gen_sqxtnt_vec,
.opt_opc = sqxtn_list,
.load_dest = true,
.fno = gen_helper_sve2_sqxtnt_d,
.vece = MO_64 },
};
TRANS_FEAT(SQXTNT, aa64_sve2, do_narrow_extract, a, sqxtnt_ops)
static const TCGOpcode uqxtn_list[] = {
INDEX_op_shli_vec, INDEX_op_umin_vec, 0
};
static void gen_uqxtnb_vec(unsigned vece, TCGv_vec d, TCGv_vec n)
{
TCGv_vec t = tcg_temp_new_vec_matching(d);
int halfbits = 4 << vece;
int64_t max = (1ull << halfbits) - 1;
tcg_gen_dupi_vec(vece, t, max);
tcg_gen_umin_vec(vece, d, n, t);
}
static const GVecGen2 uqxtnb_ops[3] = {
{ .fniv = gen_uqxtnb_vec,
.opt_opc = uqxtn_list,
.fno = gen_helper_sve2_uqxtnb_h,
.vece = MO_16 },
{ .fniv = gen_uqxtnb_vec,
.opt_opc = uqxtn_list,
.fno = gen_helper_sve2_uqxtnb_s,
.vece = MO_32 },
{ .fniv = gen_uqxtnb_vec,
.opt_opc = uqxtn_list,
.fno = gen_helper_sve2_uqxtnb_d,
.vece = MO_64 },
};
TRANS_FEAT(UQXTNB, aa64_sve2, do_narrow_extract, a, uqxtnb_ops)
static void gen_uqxtnt_vec(unsigned vece, TCGv_vec d, TCGv_vec n)
{
TCGv_vec t = tcg_temp_new_vec_matching(d);
int halfbits = 4 << vece;
int64_t max = (1ull << halfbits) - 1;
tcg_gen_dupi_vec(vece, t, max);
tcg_gen_umin_vec(vece, n, n, t);
tcg_gen_shli_vec(vece, n, n, halfbits);
tcg_gen_bitsel_vec(vece, d, t, d, n);
}
static const GVecGen2 uqxtnt_ops[3] = {
{ .fniv = gen_uqxtnt_vec,
.opt_opc = uqxtn_list,
.load_dest = true,
.fno = gen_helper_sve2_uqxtnt_h,
.vece = MO_16 },
{ .fniv = gen_uqxtnt_vec,
.opt_opc = uqxtn_list,
.load_dest = true,
.fno = gen_helper_sve2_uqxtnt_s,
.vece = MO_32 },
{ .fniv = gen_uqxtnt_vec,
.opt_opc = uqxtn_list,
.load_dest = true,
.fno = gen_helper_sve2_uqxtnt_d,
.vece = MO_64 },
};
TRANS_FEAT(UQXTNT, aa64_sve2, do_narrow_extract, a, uqxtnt_ops)
static const TCGOpcode sqxtun_list[] = {
INDEX_op_shli_vec, INDEX_op_umin_vec, INDEX_op_smax_vec, 0
};
static void gen_sqxtunb_vec(unsigned vece, TCGv_vec d, TCGv_vec n)
{
TCGv_vec t = tcg_temp_new_vec_matching(d);
int halfbits = 4 << vece;
int64_t max = (1ull << halfbits) - 1;
tcg_gen_dupi_vec(vece, t, 0);
tcg_gen_smax_vec(vece, d, n, t);
tcg_gen_dupi_vec(vece, t, max);
tcg_gen_umin_vec(vece, d, d, t);
}
static const GVecGen2 sqxtunb_ops[3] = {
{ .fniv = gen_sqxtunb_vec,
.opt_opc = sqxtun_list,
.fno = gen_helper_sve2_sqxtunb_h,
.vece = MO_16 },
{ .fniv = gen_sqxtunb_vec,
.opt_opc = sqxtun_list,
.fno = gen_helper_sve2_sqxtunb_s,
.vece = MO_32 },
{ .fniv = gen_sqxtunb_vec,
.opt_opc = sqxtun_list,
.fno = gen_helper_sve2_sqxtunb_d,
.vece = MO_64 },
};
TRANS_FEAT(SQXTUNB, aa64_sve2, do_narrow_extract, a, sqxtunb_ops)
static void gen_sqxtunt_vec(unsigned vece, TCGv_vec d, TCGv_vec n)
{
TCGv_vec t = tcg_temp_new_vec_matching(d);
int halfbits = 4 << vece;
int64_t max = (1ull << halfbits) - 1;
tcg_gen_dupi_vec(vece, t, 0);
tcg_gen_smax_vec(vece, n, n, t);
tcg_gen_dupi_vec(vece, t, max);
tcg_gen_umin_vec(vece, n, n, t);
tcg_gen_shli_vec(vece, n, n, halfbits);
tcg_gen_bitsel_vec(vece, d, t, d, n);
}
static const GVecGen2 sqxtunt_ops[3] = {
{ .fniv = gen_sqxtunt_vec,
.opt_opc = sqxtun_list,
.load_dest = true,
.fno = gen_helper_sve2_sqxtunt_h,
.vece = MO_16 },
{ .fniv = gen_sqxtunt_vec,
.opt_opc = sqxtun_list,
.load_dest = true,
.fno = gen_helper_sve2_sqxtunt_s,
.vece = MO_32 },
{ .fniv = gen_sqxtunt_vec,
.opt_opc = sqxtun_list,
.load_dest = true,
.fno = gen_helper_sve2_sqxtunt_d,
.vece = MO_64 },
};
TRANS_FEAT(SQXTUNT, aa64_sve2, do_narrow_extract, a, sqxtunt_ops)
static bool do_shr_narrow(DisasContext *s, arg_rri_esz *a,
const GVecGen2i ops[3])
{
if (a->esz < 0 || a->esz > MO_32) {
return false;
}
assert(a->imm > 0 && a->imm <= (8 << a->esz));
if (sve_access_check(s)) {
unsigned vsz = vec_full_reg_size(s);
tcg_gen_gvec_2i(vec_full_reg_offset(s, a->rd),
vec_full_reg_offset(s, a->rn),
vsz, vsz, a->imm, &ops[a->esz]);
}
return true;
}
static void gen_shrnb_i64(unsigned vece, TCGv_i64 d, TCGv_i64 n, int shr)
{
int halfbits = 4 << vece;
uint64_t mask = dup_const(vece, MAKE_64BIT_MASK(0, halfbits));
tcg_gen_shri_i64(d, n, shr);
tcg_gen_andi_i64(d, d, mask);
}
static void gen_shrnb16_i64(TCGv_i64 d, TCGv_i64 n, int64_t shr)
{
gen_shrnb_i64(MO_16, d, n, shr);
}
static void gen_shrnb32_i64(TCGv_i64 d, TCGv_i64 n, int64_t shr)
{
gen_shrnb_i64(MO_32, d, n, shr);
}
static void gen_shrnb64_i64(TCGv_i64 d, TCGv_i64 n, int64_t shr)
{
gen_shrnb_i64(MO_64, d, n, shr);
}
static void gen_shrnb_vec(unsigned vece, TCGv_vec d, TCGv_vec n, int64_t shr)
{
TCGv_vec t = tcg_temp_new_vec_matching(d);
int halfbits = 4 << vece;
uint64_t mask = MAKE_64BIT_MASK(0, halfbits);
tcg_gen_shri_vec(vece, n, n, shr);
tcg_gen_dupi_vec(vece, t, mask);
tcg_gen_and_vec(vece, d, n, t);
}
static const TCGOpcode shrnb_vec_list[] = { INDEX_op_shri_vec, 0 };
static const GVecGen2i shrnb_ops[3] = {
{ .fni8 = gen_shrnb16_i64,
.fniv = gen_shrnb_vec,
.opt_opc = shrnb_vec_list,
.fno = gen_helper_sve2_shrnb_h,
.vece = MO_16 },
{ .fni8 = gen_shrnb32_i64,
.fniv = gen_shrnb_vec,
.opt_opc = shrnb_vec_list,
.fno = gen_helper_sve2_shrnb_s,
.vece = MO_32 },
{ .fni8 = gen_shrnb64_i64,
.fniv = gen_shrnb_vec,
.opt_opc = shrnb_vec_list,
.fno = gen_helper_sve2_shrnb_d,
.vece = MO_64 },
};
TRANS_FEAT(SHRNB, aa64_sve2, do_shr_narrow, a, shrnb_ops)
static void gen_shrnt_i64(unsigned vece, TCGv_i64 d, TCGv_i64 n, int shr)
{
int halfbits = 4 << vece;
uint64_t mask = dup_const(vece, MAKE_64BIT_MASK(0, halfbits));
tcg_gen_shli_i64(n, n, halfbits - shr);
tcg_gen_andi_i64(n, n, ~mask);
tcg_gen_andi_i64(d, d, mask);
tcg_gen_or_i64(d, d, n);
}
static void gen_shrnt16_i64(TCGv_i64 d, TCGv_i64 n, int64_t shr)
{
gen_shrnt_i64(MO_16, d, n, shr);
}
static void gen_shrnt32_i64(TCGv_i64 d, TCGv_i64 n, int64_t shr)
{
gen_shrnt_i64(MO_32, d, n, shr);
}
static void gen_shrnt64_i64(TCGv_i64 d, TCGv_i64 n, int64_t shr)
{
tcg_gen_shri_i64(n, n, shr);
tcg_gen_deposit_i64(d, d, n, 32, 32);
}
static void gen_shrnt_vec(unsigned vece, TCGv_vec d, TCGv_vec n, int64_t shr)
{
TCGv_vec t = tcg_temp_new_vec_matching(d);
int halfbits = 4 << vece;
uint64_t mask = MAKE_64BIT_MASK(0, halfbits);
tcg_gen_shli_vec(vece, n, n, halfbits - shr);
tcg_gen_dupi_vec(vece, t, mask);
tcg_gen_bitsel_vec(vece, d, t, d, n);
}
static const TCGOpcode shrnt_vec_list[] = { INDEX_op_shli_vec, 0 };
static const GVecGen2i shrnt_ops[3] = {
{ .fni8 = gen_shrnt16_i64,
.fniv = gen_shrnt_vec,
.opt_opc = shrnt_vec_list,
.load_dest = true,
.fno = gen_helper_sve2_shrnt_h,
.vece = MO_16 },
{ .fni8 = gen_shrnt32_i64,
.fniv = gen_shrnt_vec,
.opt_opc = shrnt_vec_list,
.load_dest = true,
.fno = gen_helper_sve2_shrnt_s,
.vece = MO_32 },
{ .fni8 = gen_shrnt64_i64,
.fniv = gen_shrnt_vec,
.opt_opc = shrnt_vec_list,
.load_dest = true,
.fno = gen_helper_sve2_shrnt_d,
.vece = MO_64 },
};
TRANS_FEAT(SHRNT, aa64_sve2, do_shr_narrow, a, shrnt_ops)
static const GVecGen2i rshrnb_ops[3] = {
{ .fno = gen_helper_sve2_rshrnb_h },
{ .fno = gen_helper_sve2_rshrnb_s },
{ .fno = gen_helper_sve2_rshrnb_d },
};
TRANS_FEAT(RSHRNB, aa64_sve2, do_shr_narrow, a, rshrnb_ops)
static const GVecGen2i rshrnt_ops[3] = {
{ .fno = gen_helper_sve2_rshrnt_h },
{ .fno = gen_helper_sve2_rshrnt_s },
{ .fno = gen_helper_sve2_rshrnt_d },
};
TRANS_FEAT(RSHRNT, aa64_sve2, do_shr_narrow, a, rshrnt_ops)
static void gen_sqshrunb_vec(unsigned vece, TCGv_vec d,
TCGv_vec n, int64_t shr)
{
TCGv_vec t = tcg_temp_new_vec_matching(d);
int halfbits = 4 << vece;
tcg_gen_sari_vec(vece, n, n, shr);
tcg_gen_dupi_vec(vece, t, 0);
tcg_gen_smax_vec(vece, n, n, t);
tcg_gen_dupi_vec(vece, t, MAKE_64BIT_MASK(0, halfbits));
tcg_gen_umin_vec(vece, d, n, t);
}
static const TCGOpcode sqshrunb_vec_list[] = {
INDEX_op_sari_vec, INDEX_op_smax_vec, INDEX_op_umin_vec, 0
};
static const GVecGen2i sqshrunb_ops[3] = {
{ .fniv = gen_sqshrunb_vec,
.opt_opc = sqshrunb_vec_list,
.fno = gen_helper_sve2_sqshrunb_h,
.vece = MO_16 },
{ .fniv = gen_sqshrunb_vec,
.opt_opc = sqshrunb_vec_list,
.fno = gen_helper_sve2_sqshrunb_s,
.vece = MO_32 },
{ .fniv = gen_sqshrunb_vec,
.opt_opc = sqshrunb_vec_list,
.fno = gen_helper_sve2_sqshrunb_d,
.vece = MO_64 },
};
TRANS_FEAT(SQSHRUNB, aa64_sve2, do_shr_narrow, a, sqshrunb_ops)
static void gen_sqshrunt_vec(unsigned vece, TCGv_vec d,
TCGv_vec n, int64_t shr)
{
TCGv_vec t = tcg_temp_new_vec_matching(d);
int halfbits = 4 << vece;
tcg_gen_sari_vec(vece, n, n, shr);
tcg_gen_dupi_vec(vece, t, 0);
tcg_gen_smax_vec(vece, n, n, t);
tcg_gen_dupi_vec(vece, t, MAKE_64BIT_MASK(0, halfbits));
tcg_gen_umin_vec(vece, n, n, t);
tcg_gen_shli_vec(vece, n, n, halfbits);
tcg_gen_bitsel_vec(vece, d, t, d, n);
}
static const TCGOpcode sqshrunt_vec_list[] = {
INDEX_op_shli_vec, INDEX_op_sari_vec,
INDEX_op_smax_vec, INDEX_op_umin_vec, 0
};
static const GVecGen2i sqshrunt_ops[3] = {
{ .fniv = gen_sqshrunt_vec,
.opt_opc = sqshrunt_vec_list,
.load_dest = true,
.fno = gen_helper_sve2_sqshrunt_h,
.vece = MO_16 },
{ .fniv = gen_sqshrunt_vec,
.opt_opc = sqshrunt_vec_list,
.load_dest = true,
.fno = gen_helper_sve2_sqshrunt_s,
.vece = MO_32 },
{ .fniv = gen_sqshrunt_vec,
.opt_opc = sqshrunt_vec_list,
.load_dest = true,
.fno = gen_helper_sve2_sqshrunt_d,
.vece = MO_64 },
};
TRANS_FEAT(SQSHRUNT, aa64_sve2, do_shr_narrow, a, sqshrunt_ops)
static const GVecGen2i sqrshrunb_ops[3] = {
{ .fno = gen_helper_sve2_sqrshrunb_h },
{ .fno = gen_helper_sve2_sqrshrunb_s },
{ .fno = gen_helper_sve2_sqrshrunb_d },
};
TRANS_FEAT(SQRSHRUNB, aa64_sve2, do_shr_narrow, a, sqrshrunb_ops)
static const GVecGen2i sqrshrunt_ops[3] = {
{ .fno = gen_helper_sve2_sqrshrunt_h },
{ .fno = gen_helper_sve2_sqrshrunt_s },
{ .fno = gen_helper_sve2_sqrshrunt_d },
};
TRANS_FEAT(SQRSHRUNT, aa64_sve2, do_shr_narrow, a, sqrshrunt_ops)
static void gen_sqshrnb_vec(unsigned vece, TCGv_vec d,
TCGv_vec n, int64_t shr)
{
TCGv_vec t = tcg_temp_new_vec_matching(d);
int halfbits = 4 << vece;
int64_t max = MAKE_64BIT_MASK(0, halfbits - 1);
int64_t min = -max - 1;
tcg_gen_sari_vec(vece, n, n, shr);
tcg_gen_dupi_vec(vece, t, min);
tcg_gen_smax_vec(vece, n, n, t);
tcg_gen_dupi_vec(vece, t, max);
tcg_gen_smin_vec(vece, n, n, t);
tcg_gen_dupi_vec(vece, t, MAKE_64BIT_MASK(0, halfbits));
tcg_gen_and_vec(vece, d, n, t);
}
static const TCGOpcode sqshrnb_vec_list[] = {
INDEX_op_sari_vec, INDEX_op_smax_vec, INDEX_op_smin_vec, 0
};
static const GVecGen2i sqshrnb_ops[3] = {
{ .fniv = gen_sqshrnb_vec,
.opt_opc = sqshrnb_vec_list,
.fno = gen_helper_sve2_sqshrnb_h,
.vece = MO_16 },
{ .fniv = gen_sqshrnb_vec,
.opt_opc = sqshrnb_vec_list,
.fno = gen_helper_sve2_sqshrnb_s,
.vece = MO_32 },
{ .fniv = gen_sqshrnb_vec,
.opt_opc = sqshrnb_vec_list,
.fno = gen_helper_sve2_sqshrnb_d,
.vece = MO_64 },
};
TRANS_FEAT(SQSHRNB, aa64_sve2, do_shr_narrow, a, sqshrnb_ops)
static void gen_sqshrnt_vec(unsigned vece, TCGv_vec d,
TCGv_vec n, int64_t shr)
{
TCGv_vec t = tcg_temp_new_vec_matching(d);
int halfbits = 4 << vece;
int64_t max = MAKE_64BIT_MASK(0, halfbits - 1);
int64_t min = -max - 1;
tcg_gen_sari_vec(vece, n, n, shr);
tcg_gen_dupi_vec(vece, t, min);
tcg_gen_smax_vec(vece, n, n, t);
tcg_gen_dupi_vec(vece, t, max);
tcg_gen_smin_vec(vece, n, n, t);
tcg_gen_shli_vec(vece, n, n, halfbits);
tcg_gen_dupi_vec(vece, t, MAKE_64BIT_MASK(0, halfbits));
tcg_gen_bitsel_vec(vece, d, t, d, n);
}
static const TCGOpcode sqshrnt_vec_list[] = {
INDEX_op_shli_vec, INDEX_op_sari_vec,
INDEX_op_smax_vec, INDEX_op_smin_vec, 0
};
static const GVecGen2i sqshrnt_ops[3] = {
{ .fniv = gen_sqshrnt_vec,
.opt_opc = sqshrnt_vec_list,
.load_dest = true,
.fno = gen_helper_sve2_sqshrnt_h,
.vece = MO_16 },
{ .fniv = gen_sqshrnt_vec,
.opt_opc = sqshrnt_vec_list,
.load_dest = true,
.fno = gen_helper_sve2_sqshrnt_s,
.vece = MO_32 },
{ .fniv = gen_sqshrnt_vec,
.opt_opc = sqshrnt_vec_list,
.load_dest = true,
.fno = gen_helper_sve2_sqshrnt_d,
.vece = MO_64 },
};
TRANS_FEAT(SQSHRNT, aa64_sve2, do_shr_narrow, a, sqshrnt_ops)
static const GVecGen2i sqrshrnb_ops[3] = {
{ .fno = gen_helper_sve2_sqrshrnb_h },
{ .fno = gen_helper_sve2_sqrshrnb_s },
{ .fno = gen_helper_sve2_sqrshrnb_d },
};
TRANS_FEAT(SQRSHRNB, aa64_sve2, do_shr_narrow, a, sqrshrnb_ops)
static const GVecGen2i sqrshrnt_ops[3] = {
{ .fno = gen_helper_sve2_sqrshrnt_h },
{ .fno = gen_helper_sve2_sqrshrnt_s },
{ .fno = gen_helper_sve2_sqrshrnt_d },
};
TRANS_FEAT(SQRSHRNT, aa64_sve2, do_shr_narrow, a, sqrshrnt_ops)
static void gen_uqshrnb_vec(unsigned vece, TCGv_vec d,
TCGv_vec n, int64_t shr)
{
TCGv_vec t = tcg_temp_new_vec_matching(d);
int halfbits = 4 << vece;
tcg_gen_shri_vec(vece, n, n, shr);
tcg_gen_dupi_vec(vece, t, MAKE_64BIT_MASK(0, halfbits));
tcg_gen_umin_vec(vece, d, n, t);
}
static const TCGOpcode uqshrnb_vec_list[] = {
INDEX_op_shri_vec, INDEX_op_umin_vec, 0
};
static const GVecGen2i uqshrnb_ops[3] = {
{ .fniv = gen_uqshrnb_vec,
.opt_opc = uqshrnb_vec_list,
.fno = gen_helper_sve2_uqshrnb_h,
.vece = MO_16 },
{ .fniv = gen_uqshrnb_vec,
.opt_opc = uqshrnb_vec_list,
.fno = gen_helper_sve2_uqshrnb_s,
.vece = MO_32 },
{ .fniv = gen_uqshrnb_vec,
.opt_opc = uqshrnb_vec_list,
.fno = gen_helper_sve2_uqshrnb_d,
.vece = MO_64 },
};
TRANS_FEAT(UQSHRNB, aa64_sve2, do_shr_narrow, a, uqshrnb_ops)
static void gen_uqshrnt_vec(unsigned vece, TCGv_vec d,
TCGv_vec n, int64_t shr)
{
TCGv_vec t = tcg_temp_new_vec_matching(d);
int halfbits = 4 << vece;
tcg_gen_shri_vec(vece, n, n, shr);
tcg_gen_dupi_vec(vece, t, MAKE_64BIT_MASK(0, halfbits));
tcg_gen_umin_vec(vece, n, n, t);
tcg_gen_shli_vec(vece, n, n, halfbits);
tcg_gen_bitsel_vec(vece, d, t, d, n);
}
static const TCGOpcode uqshrnt_vec_list[] = {
INDEX_op_shli_vec, INDEX_op_shri_vec, INDEX_op_umin_vec, 0
};
static const GVecGen2i uqshrnt_ops[3] = {
{ .fniv = gen_uqshrnt_vec,
.opt_opc = uqshrnt_vec_list,
.load_dest = true,
.fno = gen_helper_sve2_uqshrnt_h,
.vece = MO_16 },
{ .fniv = gen_uqshrnt_vec,
.opt_opc = uqshrnt_vec_list,
.load_dest = true,
.fno = gen_helper_sve2_uqshrnt_s,
.vece = MO_32 },
{ .fniv = gen_uqshrnt_vec,
.opt_opc = uqshrnt_vec_list,
.load_dest = true,
.fno = gen_helper_sve2_uqshrnt_d,
.vece = MO_64 },
};
TRANS_FEAT(UQSHRNT, aa64_sve2, do_shr_narrow, a, uqshrnt_ops)
static const GVecGen2i uqrshrnb_ops[3] = {
{ .fno = gen_helper_sve2_uqrshrnb_h },
{ .fno = gen_helper_sve2_uqrshrnb_s },
{ .fno = gen_helper_sve2_uqrshrnb_d },
};
TRANS_FEAT(UQRSHRNB, aa64_sve2, do_shr_narrow, a, uqrshrnb_ops)
static const GVecGen2i uqrshrnt_ops[3] = {
{ .fno = gen_helper_sve2_uqrshrnt_h },
{ .fno = gen_helper_sve2_uqrshrnt_s },
{ .fno = gen_helper_sve2_uqrshrnt_d },
};
TRANS_FEAT(UQRSHRNT, aa64_sve2, do_shr_narrow, a, uqrshrnt_ops)
#define DO_SVE2_ZZZ_NARROW(NAME, name) \
static gen_helper_gvec_3 * const name##_fns[4] = { \
NULL, gen_helper_sve2_##name##_h, \
gen_helper_sve2_##name##_s, gen_helper_sve2_##name##_d, \
}; \
TRANS_FEAT(NAME, aa64_sve2, gen_gvec_ool_arg_zzz, \
name##_fns[a->esz], a, 0)
DO_SVE2_ZZZ_NARROW(ADDHNB, addhnb)
DO_SVE2_ZZZ_NARROW(ADDHNT, addhnt)
DO_SVE2_ZZZ_NARROW(RADDHNB, raddhnb)
DO_SVE2_ZZZ_NARROW(RADDHNT, raddhnt)
DO_SVE2_ZZZ_NARROW(SUBHNB, subhnb)
DO_SVE2_ZZZ_NARROW(SUBHNT, subhnt)
DO_SVE2_ZZZ_NARROW(RSUBHNB, rsubhnb)
DO_SVE2_ZZZ_NARROW(RSUBHNT, rsubhnt)
static gen_helper_gvec_flags_4 * const match_fns[4] = {
gen_helper_sve2_match_ppzz_b, gen_helper_sve2_match_ppzz_h, NULL, NULL
};
TRANS_FEAT_NONSTREAMING(MATCH, aa64_sve2, do_ppzz_flags, a, match_fns[a->esz])
static gen_helper_gvec_flags_4 * const nmatch_fns[4] = {
gen_helper_sve2_nmatch_ppzz_b, gen_helper_sve2_nmatch_ppzz_h, NULL, NULL
};
TRANS_FEAT_NONSTREAMING(NMATCH, aa64_sve2, do_ppzz_flags, a, nmatch_fns[a->esz])
static gen_helper_gvec_4 * const histcnt_fns[4] = {
NULL, NULL, gen_helper_sve2_histcnt_s, gen_helper_sve2_histcnt_d
};
TRANS_FEAT_NONSTREAMING(HISTCNT, aa64_sve2, gen_gvec_ool_arg_zpzz,
histcnt_fns[a->esz], a, 0)
TRANS_FEAT_NONSTREAMING(HISTSEG, aa64_sve2, gen_gvec_ool_arg_zzz,
a->esz == 0 ? gen_helper_sve2_histseg : NULL, a, 0)
DO_ZPZZ_FP(FADDP, aa64_sve2, sve2_faddp_zpzz)
DO_ZPZZ_FP(FMAXNMP, aa64_sve2, sve2_fmaxnmp_zpzz)
DO_ZPZZ_FP(FMINNMP, aa64_sve2, sve2_fminnmp_zpzz)
DO_ZPZZ_FP(FMAXP, aa64_sve2, sve2_fmaxp_zpzz)
DO_ZPZZ_FP(FMINP, aa64_sve2, sve2_fminp_zpzz)
/*
* SVE Integer Multiply-Add (unpredicated)
*/
TRANS_FEAT_NONSTREAMING(FMMLA_s, aa64_sve_f32mm, gen_gvec_fpst_zzzz,
gen_helper_fmmla_s, a->rd, a->rn, a->rm, a->ra,
0, FPST_FPCR)
TRANS_FEAT_NONSTREAMING(FMMLA_d, aa64_sve_f64mm, gen_gvec_fpst_zzzz,
gen_helper_fmmla_d, a->rd, a->rn, a->rm, a->ra,
0, FPST_FPCR)
static gen_helper_gvec_4 * const sqdmlal_zzzw_fns[] = {
NULL, gen_helper_sve2_sqdmlal_zzzw_h,
gen_helper_sve2_sqdmlal_zzzw_s, gen_helper_sve2_sqdmlal_zzzw_d,
};
TRANS_FEAT(SQDMLALB_zzzw, aa64_sve2, gen_gvec_ool_arg_zzzz,
sqdmlal_zzzw_fns[a->esz], a, 0)
TRANS_FEAT(SQDMLALT_zzzw, aa64_sve2, gen_gvec_ool_arg_zzzz,
sqdmlal_zzzw_fns[a->esz], a, 3)
TRANS_FEAT(SQDMLALBT, aa64_sve2, gen_gvec_ool_arg_zzzz,
sqdmlal_zzzw_fns[a->esz], a, 2)
static gen_helper_gvec_4 * const sqdmlsl_zzzw_fns[] = {
NULL, gen_helper_sve2_sqdmlsl_zzzw_h,
gen_helper_sve2_sqdmlsl_zzzw_s, gen_helper_sve2_sqdmlsl_zzzw_d,
};
TRANS_FEAT(SQDMLSLB_zzzw, aa64_sve2, gen_gvec_ool_arg_zzzz,
sqdmlsl_zzzw_fns[a->esz], a, 0)
TRANS_FEAT(SQDMLSLT_zzzw, aa64_sve2, gen_gvec_ool_arg_zzzz,
sqdmlsl_zzzw_fns[a->esz], a, 3)
TRANS_FEAT(SQDMLSLBT, aa64_sve2, gen_gvec_ool_arg_zzzz,
sqdmlsl_zzzw_fns[a->esz], a, 2)
static gen_helper_gvec_4 * const sqrdmlah_fns[] = {
gen_helper_sve2_sqrdmlah_b, gen_helper_sve2_sqrdmlah_h,
gen_helper_sve2_sqrdmlah_s, gen_helper_sve2_sqrdmlah_d,
};
TRANS_FEAT(SQRDMLAH_zzzz, aa64_sve2, gen_gvec_ool_arg_zzzz,
sqrdmlah_fns[a->esz], a, 0)
static gen_helper_gvec_4 * const sqrdmlsh_fns[] = {
gen_helper_sve2_sqrdmlsh_b, gen_helper_sve2_sqrdmlsh_h,
gen_helper_sve2_sqrdmlsh_s, gen_helper_sve2_sqrdmlsh_d,
};
TRANS_FEAT(SQRDMLSH_zzzz, aa64_sve2, gen_gvec_ool_arg_zzzz,
sqrdmlsh_fns[a->esz], a, 0)
static gen_helper_gvec_4 * const smlal_zzzw_fns[] = {
NULL, gen_helper_sve2_smlal_zzzw_h,
gen_helper_sve2_smlal_zzzw_s, gen_helper_sve2_smlal_zzzw_d,
};
TRANS_FEAT(SMLALB_zzzw, aa64_sve2, gen_gvec_ool_arg_zzzz,
smlal_zzzw_fns[a->esz], a, 0)
TRANS_FEAT(SMLALT_zzzw, aa64_sve2, gen_gvec_ool_arg_zzzz,
smlal_zzzw_fns[a->esz], a, 1)
static gen_helper_gvec_4 * const umlal_zzzw_fns[] = {
NULL, gen_helper_sve2_umlal_zzzw_h,
gen_helper_sve2_umlal_zzzw_s, gen_helper_sve2_umlal_zzzw_d,
};
TRANS_FEAT(UMLALB_zzzw, aa64_sve2, gen_gvec_ool_arg_zzzz,
umlal_zzzw_fns[a->esz], a, 0)
TRANS_FEAT(UMLALT_zzzw, aa64_sve2, gen_gvec_ool_arg_zzzz,
umlal_zzzw_fns[a->esz], a, 1)
static gen_helper_gvec_4 * const smlsl_zzzw_fns[] = {
NULL, gen_helper_sve2_smlsl_zzzw_h,
gen_helper_sve2_smlsl_zzzw_s, gen_helper_sve2_smlsl_zzzw_d,
};
TRANS_FEAT(SMLSLB_zzzw, aa64_sve2, gen_gvec_ool_arg_zzzz,
smlsl_zzzw_fns[a->esz], a, 0)
TRANS_FEAT(SMLSLT_zzzw, aa64_sve2, gen_gvec_ool_arg_zzzz,
smlsl_zzzw_fns[a->esz], a, 1)
static gen_helper_gvec_4 * const umlsl_zzzw_fns[] = {
NULL, gen_helper_sve2_umlsl_zzzw_h,
gen_helper_sve2_umlsl_zzzw_s, gen_helper_sve2_umlsl_zzzw_d,
};
TRANS_FEAT(UMLSLB_zzzw, aa64_sve2, gen_gvec_ool_arg_zzzz,
umlsl_zzzw_fns[a->esz], a, 0)
TRANS_FEAT(UMLSLT_zzzw, aa64_sve2, gen_gvec_ool_arg_zzzz,
umlsl_zzzw_fns[a->esz], a, 1)
static gen_helper_gvec_4 * const cmla_fns[] = {
gen_helper_sve2_cmla_zzzz_b, gen_helper_sve2_cmla_zzzz_h,
gen_helper_sve2_cmla_zzzz_s, gen_helper_sve2_cmla_zzzz_d,
};
TRANS_FEAT(CMLA_zzzz, aa64_sve2, gen_gvec_ool_zzzz,
cmla_fns[a->esz], a->rd, a->rn, a->rm, a->ra, a->rot)
static gen_helper_gvec_4 * const cdot_fns[] = {
NULL, NULL, gen_helper_sve2_cdot_zzzz_s, gen_helper_sve2_cdot_zzzz_d
};
TRANS_FEAT(CDOT_zzzz, aa64_sve2, gen_gvec_ool_zzzz,
cdot_fns[a->esz], a->rd, a->rn, a->rm, a->ra, a->rot)
static gen_helper_gvec_4 * const sqrdcmlah_fns[] = {
gen_helper_sve2_sqrdcmlah_zzzz_b, gen_helper_sve2_sqrdcmlah_zzzz_h,
gen_helper_sve2_sqrdcmlah_zzzz_s, gen_helper_sve2_sqrdcmlah_zzzz_d,
};
TRANS_FEAT(SQRDCMLAH_zzzz, aa64_sve2, gen_gvec_ool_zzzz,
sqrdcmlah_fns[a->esz], a->rd, a->rn, a->rm, a->ra, a->rot)
TRANS_FEAT(USDOT_zzzz, aa64_sve_i8mm, gen_gvec_ool_arg_zzzz,
a->esz == 2 ? gen_helper_gvec_usdot_b : NULL, a, 0)
TRANS_FEAT_NONSTREAMING(AESMC, aa64_sve2_aes, gen_gvec_ool_zz,
gen_helper_crypto_aesmc, a->rd, a->rd, a->decrypt)
TRANS_FEAT_NONSTREAMING(AESE, aa64_sve2_aes, gen_gvec_ool_arg_zzz,
gen_helper_crypto_aese, a, false)
TRANS_FEAT_NONSTREAMING(AESD, aa64_sve2_aes, gen_gvec_ool_arg_zzz,
gen_helper_crypto_aese, a, true)
TRANS_FEAT_NONSTREAMING(SM4E, aa64_sve2_sm4, gen_gvec_ool_arg_zzz,
gen_helper_crypto_sm4e, a, 0)
TRANS_FEAT_NONSTREAMING(SM4EKEY, aa64_sve2_sm4, gen_gvec_ool_arg_zzz,
gen_helper_crypto_sm4ekey, a, 0)
TRANS_FEAT_NONSTREAMING(RAX1, aa64_sve2_sha3, gen_gvec_fn_arg_zzz,
gen_gvec_rax1, a)
TRANS_FEAT(FCVTNT_sh, aa64_sve2, gen_gvec_fpst_arg_zpz,
gen_helper_sve2_fcvtnt_sh, a, 0, FPST_FPCR)
TRANS_FEAT(FCVTNT_ds, aa64_sve2, gen_gvec_fpst_arg_zpz,
gen_helper_sve2_fcvtnt_ds, a, 0, FPST_FPCR)
TRANS_FEAT(BFCVTNT, aa64_sve_bf16, gen_gvec_fpst_arg_zpz,
gen_helper_sve_bfcvtnt, a, 0, FPST_FPCR)
TRANS_FEAT(FCVTLT_hs, aa64_sve2, gen_gvec_fpst_arg_zpz,
gen_helper_sve2_fcvtlt_hs, a, 0, FPST_FPCR)
TRANS_FEAT(FCVTLT_sd, aa64_sve2, gen_gvec_fpst_arg_zpz,
gen_helper_sve2_fcvtlt_sd, a, 0, FPST_FPCR)
TRANS_FEAT(FCVTX_ds, aa64_sve2, do_frint_mode, a,
FPROUNDING_ODD, gen_helper_sve_fcvt_ds)
TRANS_FEAT(FCVTXNT_ds, aa64_sve2, do_frint_mode, a,
FPROUNDING_ODD, gen_helper_sve2_fcvtnt_ds)
static gen_helper_gvec_3_ptr * const flogb_fns[] = {
NULL, gen_helper_flogb_h,
gen_helper_flogb_s, gen_helper_flogb_d
};
TRANS_FEAT(FLOGB, aa64_sve2, gen_gvec_fpst_arg_zpz, flogb_fns[a->esz],
a, 0, a->esz == MO_16 ? FPST_FPCR_F16 : FPST_FPCR)
static bool do_FMLAL_zzzw(DisasContext *s, arg_rrrr_esz *a, bool sub, bool sel)
{
return gen_gvec_ptr_zzzz(s, gen_helper_sve2_fmlal_zzzw_s,
a->rd, a->rn, a->rm, a->ra,
(sel << 1) | sub, cpu_env);
}
TRANS_FEAT(FMLALB_zzzw, aa64_sve2, do_FMLAL_zzzw, a, false, false)
TRANS_FEAT(FMLALT_zzzw, aa64_sve2, do_FMLAL_zzzw, a, false, true)
TRANS_FEAT(FMLSLB_zzzw, aa64_sve2, do_FMLAL_zzzw, a, true, false)
TRANS_FEAT(FMLSLT_zzzw, aa64_sve2, do_FMLAL_zzzw, a, true, true)
static bool do_FMLAL_zzxw(DisasContext *s, arg_rrxr_esz *a, bool sub, bool sel)
{
return gen_gvec_ptr_zzzz(s, gen_helper_sve2_fmlal_zzxw_s,
a->rd, a->rn, a->rm, a->ra,
(a->index << 2) | (sel << 1) | sub, cpu_env);
}
TRANS_FEAT(FMLALB_zzxw, aa64_sve2, do_FMLAL_zzxw, a, false, false)
TRANS_FEAT(FMLALT_zzxw, aa64_sve2, do_FMLAL_zzxw, a, false, true)
TRANS_FEAT(FMLSLB_zzxw, aa64_sve2, do_FMLAL_zzxw, a, true, false)
TRANS_FEAT(FMLSLT_zzxw, aa64_sve2, do_FMLAL_zzxw, a, true, true)
TRANS_FEAT_NONSTREAMING(SMMLA, aa64_sve_i8mm, gen_gvec_ool_arg_zzzz,
gen_helper_gvec_smmla_b, a, 0)
TRANS_FEAT_NONSTREAMING(USMMLA, aa64_sve_i8mm, gen_gvec_ool_arg_zzzz,
gen_helper_gvec_usmmla_b, a, 0)
TRANS_FEAT_NONSTREAMING(UMMLA, aa64_sve_i8mm, gen_gvec_ool_arg_zzzz,
gen_helper_gvec_ummla_b, a, 0)
TRANS_FEAT(BFDOT_zzzz, aa64_sve_bf16, gen_gvec_ool_arg_zzzz,
gen_helper_gvec_bfdot, a, 0)
TRANS_FEAT(BFDOT_zzxz, aa64_sve_bf16, gen_gvec_ool_arg_zzxz,
gen_helper_gvec_bfdot_idx, a)
TRANS_FEAT_NONSTREAMING(BFMMLA, aa64_sve_bf16, gen_gvec_ool_arg_zzzz,
gen_helper_gvec_bfmmla, a, 0)
static bool do_BFMLAL_zzzw(DisasContext *s, arg_rrrr_esz *a, bool sel)
{
return gen_gvec_fpst_zzzz(s, gen_helper_gvec_bfmlal,
a->rd, a->rn, a->rm, a->ra, sel, FPST_FPCR);
}
TRANS_FEAT(BFMLALB_zzzw, aa64_sve_bf16, do_BFMLAL_zzzw, a, false)
TRANS_FEAT(BFMLALT_zzzw, aa64_sve_bf16, do_BFMLAL_zzzw, a, true)
static bool do_BFMLAL_zzxw(DisasContext *s, arg_rrxr_esz *a, bool sel)
{
return gen_gvec_fpst_zzzz(s, gen_helper_gvec_bfmlal_idx,
a->rd, a->rn, a->rm, a->ra,
(a->index << 1) | sel, FPST_FPCR);
}
TRANS_FEAT(BFMLALB_zzxw, aa64_sve_bf16, do_BFMLAL_zzxw, a, false)
TRANS_FEAT(BFMLALT_zzxw, aa64_sve_bf16, do_BFMLAL_zzxw, a, true)
static bool trans_PSEL(DisasContext *s, arg_psel *a)
{
int vl = vec_full_reg_size(s);
int pl = pred_gvec_reg_size(s);
int elements = vl >> a->esz;
TCGv_i64 tmp, didx, dbit;
TCGv_ptr ptr;
if (!dc_isar_feature(aa64_sme, s)) {
return false;
}
if (!sve_access_check(s)) {
return true;
}
tmp = tcg_temp_new_i64();
dbit = tcg_temp_new_i64();
didx = tcg_temp_new_i64();
ptr = tcg_temp_new_ptr();
/* Compute the predicate element. */
tcg_gen_addi_i64(tmp, cpu_reg(s, a->rv), a->imm);
if (is_power_of_2(elements)) {
tcg_gen_andi_i64(tmp, tmp, elements - 1);
} else {
tcg_gen_remu_i64(tmp, tmp, tcg_constant_i64(elements));
}
/* Extract the predicate byte and bit indices. */
tcg_gen_shli_i64(tmp, tmp, a->esz);
tcg_gen_andi_i64(dbit, tmp, 7);
tcg_gen_shri_i64(didx, tmp, 3);
if (HOST_BIG_ENDIAN) {
tcg_gen_xori_i64(didx, didx, 7);
}
/* Load the predicate word. */
tcg_gen_trunc_i64_ptr(ptr, didx);
tcg_gen_add_ptr(ptr, ptr, cpu_env);
tcg_gen_ld8u_i64(tmp, ptr, pred_full_reg_offset(s, a->pm));
/* Extract the predicate bit and replicate to MO_64. */
tcg_gen_shr_i64(tmp, tmp, dbit);
tcg_gen_andi_i64(tmp, tmp, 1);
tcg_gen_neg_i64(tmp, tmp);
/* Apply to either copy the source, or write zeros. */
tcg_gen_gvec_ands(MO_64, pred_full_reg_offset(s, a->pd),
pred_full_reg_offset(s, a->pn), tmp, pl, pl);
return true;
}
static void gen_sclamp_i32(TCGv_i32 d, TCGv_i32 n, TCGv_i32 m, TCGv_i32 a)
{
tcg_gen_smax_i32(d, a, n);
tcg_gen_smin_i32(d, d, m);
}
static void gen_sclamp_i64(TCGv_i64 d, TCGv_i64 n, TCGv_i64 m, TCGv_i64 a)
{
tcg_gen_smax_i64(d, a, n);
tcg_gen_smin_i64(d, d, m);
}
static void gen_sclamp_vec(unsigned vece, TCGv_vec d, TCGv_vec n,
TCGv_vec m, TCGv_vec a)
{
tcg_gen_smax_vec(vece, d, a, n);
tcg_gen_smin_vec(vece, d, d, m);
}
static void gen_sclamp(unsigned vece, uint32_t d, uint32_t n, uint32_t m,
uint32_t a, uint32_t oprsz, uint32_t maxsz)
{
static const TCGOpcode vecop[] = {
INDEX_op_smin_vec, INDEX_op_smax_vec, 0
};
static const GVecGen4 ops[4] = {
{ .fniv = gen_sclamp_vec,
.fno = gen_helper_gvec_sclamp_b,
.opt_opc = vecop,
.vece = MO_8 },
{ .fniv = gen_sclamp_vec,
.fno = gen_helper_gvec_sclamp_h,
.opt_opc = vecop,
.vece = MO_16 },
{ .fni4 = gen_sclamp_i32,
.fniv = gen_sclamp_vec,
.fno = gen_helper_gvec_sclamp_s,
.opt_opc = vecop,
.vece = MO_32 },
{ .fni8 = gen_sclamp_i64,
.fniv = gen_sclamp_vec,
.fno = gen_helper_gvec_sclamp_d,
.opt_opc = vecop,
.vece = MO_64,
.prefer_i64 = TCG_TARGET_REG_BITS == 64 }
};
tcg_gen_gvec_4(d, n, m, a, oprsz, maxsz, &ops[vece]);
}
TRANS_FEAT(SCLAMP, aa64_sme, gen_gvec_fn_arg_zzzz, gen_sclamp, a)
static void gen_uclamp_i32(TCGv_i32 d, TCGv_i32 n, TCGv_i32 m, TCGv_i32 a)
{
tcg_gen_umax_i32(d, a, n);
tcg_gen_umin_i32(d, d, m);
}
static void gen_uclamp_i64(TCGv_i64 d, TCGv_i64 n, TCGv_i64 m, TCGv_i64 a)
{
tcg_gen_umax_i64(d, a, n);
tcg_gen_umin_i64(d, d, m);
}
static void gen_uclamp_vec(unsigned vece, TCGv_vec d, TCGv_vec n,
TCGv_vec m, TCGv_vec a)
{
tcg_gen_umax_vec(vece, d, a, n);
tcg_gen_umin_vec(vece, d, d, m);
}
static void gen_uclamp(unsigned vece, uint32_t d, uint32_t n, uint32_t m,
uint32_t a, uint32_t oprsz, uint32_t maxsz)
{
static const TCGOpcode vecop[] = {
INDEX_op_umin_vec, INDEX_op_umax_vec, 0
};
static const GVecGen4 ops[4] = {
{ .fniv = gen_uclamp_vec,
.fno = gen_helper_gvec_uclamp_b,
.opt_opc = vecop,
.vece = MO_8 },
{ .fniv = gen_uclamp_vec,
.fno = gen_helper_gvec_uclamp_h,
.opt_opc = vecop,
.vece = MO_16 },
{ .fni4 = gen_uclamp_i32,
.fniv = gen_uclamp_vec,
.fno = gen_helper_gvec_uclamp_s,
.opt_opc = vecop,
.vece = MO_32 },
{ .fni8 = gen_uclamp_i64,
.fniv = gen_uclamp_vec,
.fno = gen_helper_gvec_uclamp_d,
.opt_opc = vecop,
.vece = MO_64,
.prefer_i64 = TCG_TARGET_REG_BITS == 64 }
};
tcg_gen_gvec_4(d, n, m, a, oprsz, maxsz, &ops[vece]);
}
TRANS_FEAT(UCLAMP, aa64_sme, gen_gvec_fn_arg_zzzz, gen_uclamp, a)