| /* |
| * iwMMXt micro operations for XScale. |
| * |
| * Copyright (c) 2007 OpenedHand, Ltd. |
| * Written by Andrzej Zaborowski <andrew@openedhand.com> |
| * Copyright (c) 2008 CodeSourcery |
| * |
| * 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 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 <stdlib.h> |
| #include <stdio.h> |
| |
| #include "cpu.h" |
| #include "exec-all.h" |
| #include "helpers.h" |
| |
| /* iwMMXt macros extracted from GNU gdb. */ |
| |
| /* Set the SIMD wCASF flags for 8, 16, 32 or 64-bit operations. */ |
| #define SIMD8_SET( v, n, b) ((v != 0) << ((((b) + 1) * 4) + (n))) |
| #define SIMD16_SET(v, n, h) ((v != 0) << ((((h) + 1) * 8) + (n))) |
| #define SIMD32_SET(v, n, w) ((v != 0) << ((((w) + 1) * 16) + (n))) |
| #define SIMD64_SET(v, n) ((v != 0) << (32 + (n))) |
| /* Flags to pass as "n" above. */ |
| #define SIMD_NBIT -1 |
| #define SIMD_ZBIT -2 |
| #define SIMD_CBIT -3 |
| #define SIMD_VBIT -4 |
| /* Various status bit macros. */ |
| #define NBIT8(x) ((x) & 0x80) |
| #define NBIT16(x) ((x) & 0x8000) |
| #define NBIT32(x) ((x) & 0x80000000) |
| #define NBIT64(x) ((x) & 0x8000000000000000ULL) |
| #define ZBIT8(x) (((x) & 0xff) == 0) |
| #define ZBIT16(x) (((x) & 0xffff) == 0) |
| #define ZBIT32(x) (((x) & 0xffffffff) == 0) |
| #define ZBIT64(x) (x == 0) |
| /* Sign extension macros. */ |
| #define EXTEND8H(a) ((uint16_t) (int8_t) (a)) |
| #define EXTEND8(a) ((uint32_t) (int8_t) (a)) |
| #define EXTEND16(a) ((uint32_t) (int16_t) (a)) |
| #define EXTEND16S(a) ((int32_t) (int16_t) (a)) |
| #define EXTEND32(a) ((uint64_t) (int32_t) (a)) |
| |
| uint64_t HELPER(iwmmxt_maddsq)(uint64_t a, uint64_t b) |
| { |
| a = (( |
| EXTEND16S((a >> 0) & 0xffff) * EXTEND16S((b >> 0) & 0xffff) + |
| EXTEND16S((a >> 16) & 0xffff) * EXTEND16S((b >> 16) & 0xffff) |
| ) & 0xffffffff) | ((uint64_t) ( |
| EXTEND16S((a >> 32) & 0xffff) * EXTEND16S((b >> 32) & 0xffff) + |
| EXTEND16S((a >> 48) & 0xffff) * EXTEND16S((b >> 48) & 0xffff) |
| ) << 32); |
| return a; |
| } |
| |
| uint64_t HELPER(iwmmxt_madduq)(uint64_t a, uint64_t b) |
| { |
| a = (( |
| ((a >> 0) & 0xffff) * ((b >> 0) & 0xffff) + |
| ((a >> 16) & 0xffff) * ((b >> 16) & 0xffff) |
| ) & 0xffffffff) | (( |
| ((a >> 32) & 0xffff) * ((b >> 32) & 0xffff) + |
| ((a >> 48) & 0xffff) * ((b >> 48) & 0xffff) |
| ) << 32); |
| return a; |
| } |
| |
| uint64_t HELPER(iwmmxt_sadb)(uint64_t a, uint64_t b) |
| { |
| #define abs(x) (((x) >= 0) ? x : -x) |
| #define SADB(SHR) abs((int) ((a >> SHR) & 0xff) - (int) ((b >> SHR) & 0xff)) |
| return |
| SADB(0) + SADB(8) + SADB(16) + SADB(24) + |
| SADB(32) + SADB(40) + SADB(48) + SADB(56); |
| #undef SADB |
| } |
| |
| uint64_t HELPER(iwmmxt_sadw)(uint64_t a, uint64_t b) |
| { |
| #define SADW(SHR) \ |
| abs((int) ((a >> SHR) & 0xffff) - (int) ((b >> SHR) & 0xffff)) |
| return SADW(0) + SADW(16) + SADW(32) + SADW(48); |
| #undef SADW |
| } |
| |
| uint64_t HELPER(iwmmxt_mulslw)(uint64_t a, uint64_t b) |
| { |
| #define MULS(SHR) ((uint64_t) ((( \ |
| EXTEND16S((a >> SHR) & 0xffff) * EXTEND16S((b >> SHR) & 0xffff) \ |
| ) >> 0) & 0xffff) << SHR) |
| return MULS(0) | MULS(16) | MULS(32) | MULS(48); |
| #undef MULS |
| } |
| |
| uint64_t HELPER(iwmmxt_mulshw)(uint64_t a, uint64_t b) |
| { |
| #define MULS(SHR) ((uint64_t) ((( \ |
| EXTEND16S((a >> SHR) & 0xffff) * EXTEND16S((b >> SHR) & 0xffff) \ |
| ) >> 16) & 0xffff) << SHR) |
| return MULS(0) | MULS(16) | MULS(32) | MULS(48); |
| #undef MULS |
| } |
| |
| uint64_t HELPER(iwmmxt_mululw)(uint64_t a, uint64_t b) |
| { |
| #define MULU(SHR) ((uint64_t) ((( \ |
| ((a >> SHR) & 0xffff) * ((b >> SHR) & 0xffff) \ |
| ) >> 0) & 0xffff) << SHR) |
| return MULU(0) | MULU(16) | MULU(32) | MULU(48); |
| #undef MULU |
| } |
| |
| uint64_t HELPER(iwmmxt_muluhw)(uint64_t a, uint64_t b) |
| { |
| #define MULU(SHR) ((uint64_t) ((( \ |
| ((a >> SHR) & 0xffff) * ((b >> SHR) & 0xffff) \ |
| ) >> 16) & 0xffff) << SHR) |
| return MULU(0) | MULU(16) | MULU(32) | MULU(48); |
| #undef MULU |
| } |
| |
| uint64_t HELPER(iwmmxt_macsw)(uint64_t a, uint64_t b) |
| { |
| #define MACS(SHR) ( \ |
| EXTEND16((a >> SHR) & 0xffff) * EXTEND16S((b >> SHR) & 0xffff)) |
| return (int64_t) (MACS(0) + MACS(16) + MACS(32) + MACS(48)); |
| #undef MACS |
| } |
| |
| uint64_t HELPER(iwmmxt_macuw)(uint64_t a, uint64_t b) |
| { |
| #define MACU(SHR) ( \ |
| (uint32_t) ((a >> SHR) & 0xffff) * \ |
| (uint32_t) ((b >> SHR) & 0xffff)) |
| return MACU(0) + MACU(16) + MACU(32) + MACU(48); |
| #undef MACU |
| } |
| |
| #define NZBIT8(x, i) \ |
| SIMD8_SET(NBIT8((x) & 0xff), SIMD_NBIT, i) | \ |
| SIMD8_SET(ZBIT8((x) & 0xff), SIMD_ZBIT, i) |
| #define NZBIT16(x, i) \ |
| SIMD16_SET(NBIT16((x) & 0xffff), SIMD_NBIT, i) | \ |
| SIMD16_SET(ZBIT16((x) & 0xffff), SIMD_ZBIT, i) |
| #define NZBIT32(x, i) \ |
| SIMD32_SET(NBIT32((x) & 0xffffffff), SIMD_NBIT, i) | \ |
| SIMD32_SET(ZBIT32((x) & 0xffffffff), SIMD_ZBIT, i) |
| #define NZBIT64(x) \ |
| SIMD64_SET(NBIT64(x), SIMD_NBIT) | \ |
| SIMD64_SET(ZBIT64(x), SIMD_ZBIT) |
| #define IWMMXT_OP_UNPACK(S, SH0, SH1, SH2, SH3) \ |
| uint64_t HELPER(glue(iwmmxt_unpack, glue(S, b)))(CPUState *env, \ |
| uint64_t a, uint64_t b) \ |
| { \ |
| a = \ |
| (((a >> SH0) & 0xff) << 0) | (((b >> SH0) & 0xff) << 8) | \ |
| (((a >> SH1) & 0xff) << 16) | (((b >> SH1) & 0xff) << 24) | \ |
| (((a >> SH2) & 0xff) << 32) | (((b >> SH2) & 0xff) << 40) | \ |
| (((a >> SH3) & 0xff) << 48) | (((b >> SH3) & 0xff) << 56); \ |
| env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = \ |
| NZBIT8(a >> 0, 0) | NZBIT8(a >> 8, 1) | \ |
| NZBIT8(a >> 16, 2) | NZBIT8(a >> 24, 3) | \ |
| NZBIT8(a >> 32, 4) | NZBIT8(a >> 40, 5) | \ |
| NZBIT8(a >> 48, 6) | NZBIT8(a >> 56, 7); \ |
| return a; \ |
| } \ |
| uint64_t HELPER(glue(iwmmxt_unpack, glue(S, w)))(CPUState *env, \ |
| uint64_t a, uint64_t b) \ |
| { \ |
| a = \ |
| (((a >> SH0) & 0xffff) << 0) | \ |
| (((b >> SH0) & 0xffff) << 16) | \ |
| (((a >> SH2) & 0xffff) << 32) | \ |
| (((b >> SH2) & 0xffff) << 48); \ |
| env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = \ |
| NZBIT8(a >> 0, 0) | NZBIT8(a >> 16, 1) | \ |
| NZBIT8(a >> 32, 2) | NZBIT8(a >> 48, 3); \ |
| return a; \ |
| } \ |
| uint64_t HELPER(glue(iwmmxt_unpack, glue(S, l)))(CPUState *env, \ |
| uint64_t a, uint64_t b) \ |
| { \ |
| a = \ |
| (((a >> SH0) & 0xffffffff) << 0) | \ |
| (((b >> SH0) & 0xffffffff) << 32); \ |
| env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = \ |
| NZBIT32(a >> 0, 0) | NZBIT32(a >> 32, 1); \ |
| return a; \ |
| } \ |
| uint64_t HELPER(glue(iwmmxt_unpack, glue(S, ub)))(CPUState *env, \ |
| uint64_t x) \ |
| { \ |
| x = \ |
| (((x >> SH0) & 0xff) << 0) | \ |
| (((x >> SH1) & 0xff) << 16) | \ |
| (((x >> SH2) & 0xff) << 32) | \ |
| (((x >> SH3) & 0xff) << 48); \ |
| env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = \ |
| NZBIT16(x >> 0, 0) | NZBIT16(x >> 16, 1) | \ |
| NZBIT16(x >> 32, 2) | NZBIT16(x >> 48, 3); \ |
| return x; \ |
| } \ |
| uint64_t HELPER(glue(iwmmxt_unpack, glue(S, uw)))(CPUState *env, \ |
| uint64_t x) \ |
| { \ |
| x = \ |
| (((x >> SH0) & 0xffff) << 0) | \ |
| (((x >> SH2) & 0xffff) << 32); \ |
| env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = \ |
| NZBIT32(x >> 0, 0) | NZBIT32(x >> 32, 1); \ |
| return x; \ |
| } \ |
| uint64_t HELPER(glue(iwmmxt_unpack, glue(S, ul)))(CPUState *env, \ |
| uint64_t x) \ |
| { \ |
| x = (((x >> SH0) & 0xffffffff) << 0); \ |
| env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = NZBIT64(x >> 0); \ |
| return x; \ |
| } \ |
| uint64_t HELPER(glue(iwmmxt_unpack, glue(S, sb)))(CPUState *env, \ |
| uint64_t x) \ |
| { \ |
| x = \ |
| ((uint64_t) EXTEND8H((x >> SH0) & 0xff) << 0) | \ |
| ((uint64_t) EXTEND8H((x >> SH1) & 0xff) << 16) | \ |
| ((uint64_t) EXTEND8H((x >> SH2) & 0xff) << 32) | \ |
| ((uint64_t) EXTEND8H((x >> SH3) & 0xff) << 48); \ |
| env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = \ |
| NZBIT16(x >> 0, 0) | NZBIT16(x >> 16, 1) | \ |
| NZBIT16(x >> 32, 2) | NZBIT16(x >> 48, 3); \ |
| return x; \ |
| } \ |
| uint64_t HELPER(glue(iwmmxt_unpack, glue(S, sw)))(CPUState *env, \ |
| uint64_t x) \ |
| { \ |
| x = \ |
| ((uint64_t) EXTEND16((x >> SH0) & 0xffff) << 0) | \ |
| ((uint64_t) EXTEND16((x >> SH2) & 0xffff) << 32); \ |
| env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = \ |
| NZBIT32(x >> 0, 0) | NZBIT32(x >> 32, 1); \ |
| return x; \ |
| } \ |
| uint64_t HELPER(glue(iwmmxt_unpack, glue(S, sl)))(CPUState *env, \ |
| uint64_t x) \ |
| { \ |
| x = EXTEND32((x >> SH0) & 0xffffffff); \ |
| env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = NZBIT64(x >> 0); \ |
| return x; \ |
| } |
| IWMMXT_OP_UNPACK(l, 0, 8, 16, 24) |
| IWMMXT_OP_UNPACK(h, 32, 40, 48, 56) |
| |
| #define IWMMXT_OP_CMP(SUFF, Tb, Tw, Tl, O) \ |
| uint64_t HELPER(glue(iwmmxt_, glue(SUFF, b)))(CPUState *env, \ |
| uint64_t a, uint64_t b) \ |
| { \ |
| a = \ |
| CMP(0, Tb, O, 0xff) | CMP(8, Tb, O, 0xff) | \ |
| CMP(16, Tb, O, 0xff) | CMP(24, Tb, O, 0xff) | \ |
| CMP(32, Tb, O, 0xff) | CMP(40, Tb, O, 0xff) | \ |
| CMP(48, Tb, O, 0xff) | CMP(56, Tb, O, 0xff); \ |
| env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = \ |
| NZBIT8(a >> 0, 0) | NZBIT8(a >> 8, 1) | \ |
| NZBIT8(a >> 16, 2) | NZBIT8(a >> 24, 3) | \ |
| NZBIT8(a >> 32, 4) | NZBIT8(a >> 40, 5) | \ |
| NZBIT8(a >> 48, 6) | NZBIT8(a >> 56, 7); \ |
| return a; \ |
| } \ |
| uint64_t HELPER(glue(iwmmxt_, glue(SUFF, w)))(CPUState *env, \ |
| uint64_t a, uint64_t b) \ |
| { \ |
| a = CMP(0, Tw, O, 0xffff) | CMP(16, Tw, O, 0xffff) | \ |
| CMP(32, Tw, O, 0xffff) | CMP(48, Tw, O, 0xffff); \ |
| env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = \ |
| NZBIT16(a >> 0, 0) | NZBIT16(a >> 16, 1) | \ |
| NZBIT16(a >> 32, 2) | NZBIT16(a >> 48, 3); \ |
| return a; \ |
| } \ |
| uint64_t HELPER(glue(iwmmxt_, glue(SUFF, l)))(CPUState *env, \ |
| uint64_t a, uint64_t b) \ |
| { \ |
| a = CMP(0, Tl, O, 0xffffffff) | \ |
| CMP(32, Tl, O, 0xffffffff); \ |
| env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = \ |
| NZBIT32(a >> 0, 0) | NZBIT32(a >> 32, 1); \ |
| return a; \ |
| } |
| #define CMP(SHR, TYPE, OPER, MASK) ((((TYPE) ((a >> SHR) & MASK) OPER \ |
| (TYPE) ((b >> SHR) & MASK)) ? (uint64_t) MASK : 0) << SHR) |
| IWMMXT_OP_CMP(cmpeq, uint8_t, uint16_t, uint32_t, ==) |
| IWMMXT_OP_CMP(cmpgts, int8_t, int16_t, int32_t, >) |
| IWMMXT_OP_CMP(cmpgtu, uint8_t, uint16_t, uint32_t, >) |
| #undef CMP |
| #define CMP(SHR, TYPE, OPER, MASK) ((((TYPE) ((a >> SHR) & MASK) OPER \ |
| (TYPE) ((b >> SHR) & MASK)) ? a : b) & ((uint64_t) MASK << SHR)) |
| IWMMXT_OP_CMP(mins, int8_t, int16_t, int32_t, <) |
| IWMMXT_OP_CMP(minu, uint8_t, uint16_t, uint32_t, <) |
| IWMMXT_OP_CMP(maxs, int8_t, int16_t, int32_t, >) |
| IWMMXT_OP_CMP(maxu, uint8_t, uint16_t, uint32_t, >) |
| #undef CMP |
| #define CMP(SHR, TYPE, OPER, MASK) ((uint64_t) (((TYPE) ((a >> SHR) & MASK) \ |
| OPER (TYPE) ((b >> SHR) & MASK)) & MASK) << SHR) |
| IWMMXT_OP_CMP(subn, uint8_t, uint16_t, uint32_t, -) |
| IWMMXT_OP_CMP(addn, uint8_t, uint16_t, uint32_t, +) |
| #undef CMP |
| /* TODO Signed- and Unsigned-Saturation */ |
| #define CMP(SHR, TYPE, OPER, MASK) ((uint64_t) (((TYPE) ((a >> SHR) & MASK) \ |
| OPER (TYPE) ((b >> SHR) & MASK)) & MASK) << SHR) |
| IWMMXT_OP_CMP(subu, uint8_t, uint16_t, uint32_t, -) |
| IWMMXT_OP_CMP(addu, uint8_t, uint16_t, uint32_t, +) |
| IWMMXT_OP_CMP(subs, int8_t, int16_t, int32_t, -) |
| IWMMXT_OP_CMP(adds, int8_t, int16_t, int32_t, +) |
| #undef CMP |
| #undef IWMMXT_OP_CMP |
| |
| #define AVGB(SHR) ((( \ |
| ((a >> SHR) & 0xff) + ((b >> SHR) & 0xff) + round) >> 1) << SHR) |
| #define IWMMXT_OP_AVGB(r) \ |
| uint64_t HELPER(iwmmxt_avgb##r)(CPUState *env, uint64_t a, uint64_t b) \ |
| { \ |
| const int round = r; \ |
| a = AVGB(0) | AVGB(8) | AVGB(16) | AVGB(24) | \ |
| AVGB(32) | AVGB(40) | AVGB(48) | AVGB(56); \ |
| env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = \ |
| SIMD8_SET(ZBIT8((a >> 0) & 0xff), SIMD_ZBIT, 0) | \ |
| SIMD8_SET(ZBIT8((a >> 8) & 0xff), SIMD_ZBIT, 1) | \ |
| SIMD8_SET(ZBIT8((a >> 16) & 0xff), SIMD_ZBIT, 2) | \ |
| SIMD8_SET(ZBIT8((a >> 24) & 0xff), SIMD_ZBIT, 3) | \ |
| SIMD8_SET(ZBIT8((a >> 32) & 0xff), SIMD_ZBIT, 4) | \ |
| SIMD8_SET(ZBIT8((a >> 40) & 0xff), SIMD_ZBIT, 5) | \ |
| SIMD8_SET(ZBIT8((a >> 48) & 0xff), SIMD_ZBIT, 6) | \ |
| SIMD8_SET(ZBIT8((a >> 56) & 0xff), SIMD_ZBIT, 7); \ |
| return a; \ |
| } |
| IWMMXT_OP_AVGB(0) |
| IWMMXT_OP_AVGB(1) |
| #undef IWMMXT_OP_AVGB |
| #undef AVGB |
| |
| #define AVGW(SHR) ((( \ |
| ((a >> SHR) & 0xffff) + ((b >> SHR) & 0xffff) + round) >> 1) << SHR) |
| #define IWMMXT_OP_AVGW(r) \ |
| uint64_t HELPER(iwmmxt_avgw##r)(CPUState *env, uint64_t a, uint64_t b) \ |
| { \ |
| const int round = r; \ |
| a = AVGW(0) | AVGW(16) | AVGW(32) | AVGW(48); \ |
| env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = \ |
| SIMD16_SET(ZBIT16((a >> 0) & 0xffff), SIMD_ZBIT, 0) | \ |
| SIMD16_SET(ZBIT16((a >> 16) & 0xffff), SIMD_ZBIT, 1) | \ |
| SIMD16_SET(ZBIT16((a >> 32) & 0xffff), SIMD_ZBIT, 2) | \ |
| SIMD16_SET(ZBIT16((a >> 48) & 0xffff), SIMD_ZBIT, 3); \ |
| return a; \ |
| } |
| IWMMXT_OP_AVGW(0) |
| IWMMXT_OP_AVGW(1) |
| #undef IWMMXT_OP_AVGW |
| #undef AVGW |
| |
| uint64_t HELPER(iwmmxt_msadb)(uint64_t a, uint64_t b) |
| { |
| a = ((((a >> 0 ) & 0xffff) * ((b >> 0) & 0xffff) + |
| ((a >> 16) & 0xffff) * ((b >> 16) & 0xffff)) & 0xffffffff) | |
| ((((a >> 32) & 0xffff) * ((b >> 32) & 0xffff) + |
| ((a >> 48) & 0xffff) * ((b >> 48) & 0xffff)) << 32); |
| return a; |
| } |
| |
| uint64_t HELPER(iwmmxt_align)(uint64_t a, uint64_t b, uint32_t n) |
| { |
| a >>= n << 3; |
| a |= b << (64 - (n << 3)); |
| return a; |
| } |
| |
| uint64_t HELPER(iwmmxt_insr)(uint64_t x, uint32_t a, uint32_t b, uint32_t n) |
| { |
| x &= ~((uint64_t) b << n); |
| x |= (uint64_t) (a & b) << n; |
| return x; |
| } |
| |
| uint32_t HELPER(iwmmxt_setpsr_nz)(uint64_t x) |
| { |
| return SIMD64_SET((x == 0), SIMD_ZBIT) | |
| SIMD64_SET((x & (1ULL << 63)), SIMD_NBIT); |
| } |
| |
| uint64_t HELPER(iwmmxt_bcstb)(uint32_t arg) |
| { |
| arg &= 0xff; |
| return |
| ((uint64_t) arg << 0 ) | ((uint64_t) arg << 8 ) | |
| ((uint64_t) arg << 16) | ((uint64_t) arg << 24) | |
| ((uint64_t) arg << 32) | ((uint64_t) arg << 40) | |
| ((uint64_t) arg << 48) | ((uint64_t) arg << 56); |
| } |
| |
| uint64_t HELPER(iwmmxt_bcstw)(uint32_t arg) |
| { |
| arg &= 0xffff; |
| return |
| ((uint64_t) arg << 0 ) | ((uint64_t) arg << 16) | |
| ((uint64_t) arg << 32) | ((uint64_t) arg << 48); |
| } |
| |
| uint64_t HELPER(iwmmxt_bcstl)(uint32_t arg) |
| { |
| return arg | ((uint64_t) arg << 32); |
| } |
| |
| uint64_t HELPER(iwmmxt_addcb)(uint64_t x) |
| { |
| return |
| ((x >> 0) & 0xff) + ((x >> 8) & 0xff) + |
| ((x >> 16) & 0xff) + ((x >> 24) & 0xff) + |
| ((x >> 32) & 0xff) + ((x >> 40) & 0xff) + |
| ((x >> 48) & 0xff) + ((x >> 56) & 0xff); |
| } |
| |
| uint64_t HELPER(iwmmxt_addcw)(uint64_t x) |
| { |
| return |
| ((x >> 0) & 0xffff) + ((x >> 16) & 0xffff) + |
| ((x >> 32) & 0xffff) + ((x >> 48) & 0xffff); |
| } |
| |
| uint64_t HELPER(iwmmxt_addcl)(uint64_t x) |
| { |
| return (x & 0xffffffff) + (x >> 32); |
| } |
| |
| uint32_t HELPER(iwmmxt_msbb)(uint64_t x) |
| { |
| return |
| ((x >> 7) & 0x01) | ((x >> 14) & 0x02) | |
| ((x >> 21) & 0x04) | ((x >> 28) & 0x08) | |
| ((x >> 35) & 0x10) | ((x >> 42) & 0x20) | |
| ((x >> 49) & 0x40) | ((x >> 56) & 0x80); |
| } |
| |
| uint32_t HELPER(iwmmxt_msbw)(uint64_t x) |
| { |
| return |
| ((x >> 15) & 0x01) | ((x >> 30) & 0x02) | |
| ((x >> 45) & 0x04) | ((x >> 52) & 0x08); |
| } |
| |
| uint32_t HELPER(iwmmxt_msbl)(uint64_t x) |
| { |
| return ((x >> 31) & 0x01) | ((x >> 62) & 0x02); |
| } |
| |
| /* FIXME: Split wCASF setting into a separate op to avoid env use. */ |
| uint64_t HELPER(iwmmxt_srlw)(CPUState *env, uint64_t x, uint32_t n) |
| { |
| x = (((x & (0xffffll << 0)) >> n) & (0xffffll << 0)) | |
| (((x & (0xffffll << 16)) >> n) & (0xffffll << 16)) | |
| (((x & (0xffffll << 32)) >> n) & (0xffffll << 32)) | |
| (((x & (0xffffll << 48)) >> n) & (0xffffll << 48)); |
| env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = |
| NZBIT16(x >> 0, 0) | NZBIT16(x >> 16, 1) | |
| NZBIT16(x >> 32, 2) | NZBIT16(x >> 48, 3); |
| return x; |
| } |
| |
| uint64_t HELPER(iwmmxt_srll)(CPUState *env, uint64_t x, uint32_t n) |
| { |
| x = ((x & (0xffffffffll << 0)) >> n) | |
| ((x >> n) & (0xffffffffll << 32)); |
| env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = |
| NZBIT32(x >> 0, 0) | NZBIT32(x >> 32, 1); |
| return x; |
| } |
| |
| uint64_t HELPER(iwmmxt_srlq)(CPUState *env, uint64_t x, uint32_t n) |
| { |
| x >>= n; |
| env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = NZBIT64(x); |
| return x; |
| } |
| |
| uint64_t HELPER(iwmmxt_sllw)(CPUState *env, uint64_t x, uint32_t n) |
| { |
| x = (((x & (0xffffll << 0)) << n) & (0xffffll << 0)) | |
| (((x & (0xffffll << 16)) << n) & (0xffffll << 16)) | |
| (((x & (0xffffll << 32)) << n) & (0xffffll << 32)) | |
| (((x & (0xffffll << 48)) << n) & (0xffffll << 48)); |
| env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = |
| NZBIT16(x >> 0, 0) | NZBIT16(x >> 16, 1) | |
| NZBIT16(x >> 32, 2) | NZBIT16(x >> 48, 3); |
| return x; |
| } |
| |
| uint64_t HELPER(iwmmxt_slll)(CPUState *env, uint64_t x, uint32_t n) |
| { |
| x = ((x << n) & (0xffffffffll << 0)) | |
| ((x & (0xffffffffll << 32)) << n); |
| env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = |
| NZBIT32(x >> 0, 0) | NZBIT32(x >> 32, 1); |
| return x; |
| } |
| |
| uint64_t HELPER(iwmmxt_sllq)(CPUState *env, uint64_t x, uint32_t n) |
| { |
| x <<= n; |
| env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = NZBIT64(x); |
| return x; |
| } |
| |
| uint64_t HELPER(iwmmxt_sraw)(CPUState *env, uint64_t x, uint32_t n) |
| { |
| x = ((uint64_t) ((EXTEND16(x >> 0) >> n) & 0xffff) << 0) | |
| ((uint64_t) ((EXTEND16(x >> 16) >> n) & 0xffff) << 16) | |
| ((uint64_t) ((EXTEND16(x >> 32) >> n) & 0xffff) << 32) | |
| ((uint64_t) ((EXTEND16(x >> 48) >> n) & 0xffff) << 48); |
| env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = |
| NZBIT16(x >> 0, 0) | NZBIT16(x >> 16, 1) | |
| NZBIT16(x >> 32, 2) | NZBIT16(x >> 48, 3); |
| return x; |
| } |
| |
| uint64_t HELPER(iwmmxt_sral)(CPUState *env, uint64_t x, uint32_t n) |
| { |
| x = (((EXTEND32(x >> 0) >> n) & 0xffffffff) << 0) | |
| (((EXTEND32(x >> 32) >> n) & 0xffffffff) << 32); |
| env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = |
| NZBIT32(x >> 0, 0) | NZBIT32(x >> 32, 1); |
| return x; |
| } |
| |
| uint64_t HELPER(iwmmxt_sraq)(CPUState *env, uint64_t x, uint32_t n) |
| { |
| x = (int64_t) x >> n; |
| env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = NZBIT64(x); |
| return x; |
| } |
| |
| uint64_t HELPER(iwmmxt_rorw)(CPUState *env, uint64_t x, uint32_t n) |
| { |
| x = ((((x & (0xffffll << 0)) >> n) | |
| ((x & (0xffffll << 0)) << (16 - n))) & (0xffffll << 0)) | |
| ((((x & (0xffffll << 16)) >> n) | |
| ((x & (0xffffll << 16)) << (16 - n))) & (0xffffll << 16)) | |
| ((((x & (0xffffll << 32)) >> n) | |
| ((x & (0xffffll << 32)) << (16 - n))) & (0xffffll << 32)) | |
| ((((x & (0xffffll << 48)) >> n) | |
| ((x & (0xffffll << 48)) << (16 - n))) & (0xffffll << 48)); |
| env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = |
| NZBIT16(x >> 0, 0) | NZBIT16(x >> 16, 1) | |
| NZBIT16(x >> 32, 2) | NZBIT16(x >> 48, 3); |
| return x; |
| } |
| |
| uint64_t HELPER(iwmmxt_rorl)(CPUState *env, uint64_t x, uint32_t n) |
| { |
| x = ((x & (0xffffffffll << 0)) >> n) | |
| ((x >> n) & (0xffffffffll << 32)) | |
| ((x << (32 - n)) & (0xffffffffll << 0)) | |
| ((x & (0xffffffffll << 32)) << (32 - n)); |
| env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = |
| NZBIT32(x >> 0, 0) | NZBIT32(x >> 32, 1); |
| return x; |
| } |
| |
| uint64_t HELPER(iwmmxt_rorq)(CPUState *env, uint64_t x, uint32_t n) |
| { |
| x = (x >> n) | (x << (64 - n)); |
| env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = NZBIT64(x); |
| return x; |
| } |
| |
| uint64_t HELPER(iwmmxt_shufh)(CPUState *env, uint64_t x, uint32_t n) |
| { |
| x = (((x >> ((n << 4) & 0x30)) & 0xffff) << 0) | |
| (((x >> ((n << 2) & 0x30)) & 0xffff) << 16) | |
| (((x >> ((n << 0) & 0x30)) & 0xffff) << 32) | |
| (((x >> ((n >> 2) & 0x30)) & 0xffff) << 48); |
| env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = |
| NZBIT16(x >> 0, 0) | NZBIT16(x >> 16, 1) | |
| NZBIT16(x >> 32, 2) | NZBIT16(x >> 48, 3); |
| return x; |
| } |
| |
| /* TODO: Unsigned-Saturation */ |
| uint64_t HELPER(iwmmxt_packuw)(CPUState *env, uint64_t a, uint64_t b) |
| { |
| a = (((a >> 0) & 0xff) << 0) | (((a >> 16) & 0xff) << 8) | |
| (((a >> 32) & 0xff) << 16) | (((a >> 48) & 0xff) << 24) | |
| (((b >> 0) & 0xff) << 32) | (((b >> 16) & 0xff) << 40) | |
| (((b >> 32) & 0xff) << 48) | (((b >> 48) & 0xff) << 56); |
| env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = |
| NZBIT8(a >> 0, 0) | NZBIT8(a >> 8, 1) | |
| NZBIT8(a >> 16, 2) | NZBIT8(a >> 24, 3) | |
| NZBIT8(a >> 32, 4) | NZBIT8(a >> 40, 5) | |
| NZBIT8(a >> 48, 6) | NZBIT8(a >> 56, 7); |
| return a; |
| } |
| |
| uint64_t HELPER(iwmmxt_packul)(CPUState *env, uint64_t a, uint64_t b) |
| { |
| a = (((a >> 0) & 0xffff) << 0) | (((a >> 32) & 0xffff) << 16) | |
| (((b >> 0) & 0xffff) << 32) | (((b >> 32) & 0xffff) << 48); |
| env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = |
| NZBIT16(a >> 0, 0) | NZBIT16(a >> 16, 1) | |
| NZBIT16(a >> 32, 2) | NZBIT16(a >> 48, 3); |
| return a; |
| } |
| |
| uint64_t HELPER(iwmmxt_packuq)(CPUState *env, uint64_t a, uint64_t b) |
| { |
| a = (a & 0xffffffff) | ((b & 0xffffffff) << 32); |
| env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = |
| NZBIT32(a >> 0, 0) | NZBIT32(a >> 32, 1); |
| return a; |
| } |
| |
| /* TODO: Signed-Saturation */ |
| uint64_t HELPER(iwmmxt_packsw)(CPUState *env, uint64_t a, uint64_t b) |
| { |
| a = (((a >> 0) & 0xff) << 0) | (((a >> 16) & 0xff) << 8) | |
| (((a >> 32) & 0xff) << 16) | (((a >> 48) & 0xff) << 24) | |
| (((b >> 0) & 0xff) << 32) | (((b >> 16) & 0xff) << 40) | |
| (((b >> 32) & 0xff) << 48) | (((b >> 48) & 0xff) << 56); |
| env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = |
| NZBIT8(a >> 0, 0) | NZBIT8(a >> 8, 1) | |
| NZBIT8(a >> 16, 2) | NZBIT8(a >> 24, 3) | |
| NZBIT8(a >> 32, 4) | NZBIT8(a >> 40, 5) | |
| NZBIT8(a >> 48, 6) | NZBIT8(a >> 56, 7); |
| return a; |
| } |
| |
| uint64_t HELPER(iwmmxt_packsl)(CPUState *env, uint64_t a, uint64_t b) |
| { |
| a = (((a >> 0) & 0xffff) << 0) | (((a >> 32) & 0xffff) << 16) | |
| (((b >> 0) & 0xffff) << 32) | (((b >> 32) & 0xffff) << 48); |
| env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = |
| NZBIT16(a >> 0, 0) | NZBIT16(a >> 16, 1) | |
| NZBIT16(a >> 32, 2) | NZBIT16(a >> 48, 3); |
| return a; |
| } |
| |
| uint64_t HELPER(iwmmxt_packsq)(CPUState *env, uint64_t a, uint64_t b) |
| { |
| a = (a & 0xffffffff) | ((b & 0xffffffff) << 32); |
| env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = |
| NZBIT32(a >> 0, 0) | NZBIT32(a >> 32, 1); |
| return a; |
| } |
| |
| uint64_t HELPER(iwmmxt_muladdsl)(uint64_t c, uint32_t a, uint32_t b) |
| { |
| return c + ((int32_t) EXTEND32(a) * (int32_t) EXTEND32(b)); |
| } |
| |
| uint64_t HELPER(iwmmxt_muladdsw)(uint64_t c, uint32_t a, uint32_t b) |
| { |
| c += EXTEND32(EXTEND16S((a >> 0) & 0xffff) * |
| EXTEND16S((b >> 0) & 0xffff)); |
| c += EXTEND32(EXTEND16S((a >> 16) & 0xffff) * |
| EXTEND16S((b >> 16) & 0xffff)); |
| return c; |
| } |
| |
| uint64_t HELPER(iwmmxt_muladdswl)(uint64_t c, uint32_t a, uint32_t b) |
| { |
| return c + (EXTEND32(EXTEND16S(a & 0xffff) * |
| EXTEND16S(b & 0xffff))); |
| } |
