target/arm: Convert SUDOT, USDOT to decodetree
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240625183536.1672454-7-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
diff --git a/target/arm/tcg/a64.decode b/target/arm/tcg/a64.decode
index 7411d4b..8a0251f 100644
--- a/target/arm/tcg/a64.decode
+++ b/target/arm/tcg/a64.decode
@@ -949,6 +949,7 @@
SDOT_v 0.00 1110 100 ..... 10010 1 ..... ..... @qrrr_s
UDOT_v 0.10 1110 100 ..... 10010 1 ..... ..... @qrrr_s
+USDOT_v 0.00 1110 100 ..... 10011 1 ..... ..... @qrrr_s
### Advanced SIMD scalar x indexed element
@@ -1026,6 +1027,8 @@
SDOT_vi 0.00 1111 10 .. .... 1110 . 0 ..... ..... @qrrx_s
UDOT_vi 0.10 1111 10 .. .... 1110 . 0 ..... ..... @qrrx_s
+SUDOT_vi 0.00 1111 00 .. .... 1111 . 0 ..... ..... @qrrx_s
+USDOT_vi 0.00 1111 10 .. .... 1111 . 0 ..... ..... @qrrx_s
# Floating-point conditional select
diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c
index f2e7d8d..9a658ca 100644
--- a/target/arm/tcg/translate-a64.c
+++ b/target/arm/tcg/translate-a64.c
@@ -5603,6 +5603,7 @@
TRANS_FEAT(SDOT_v, aa64_dp, do_dot_vector, a, gen_helper_gvec_sdot_b)
TRANS_FEAT(UDOT_v, aa64_dp, do_dot_vector, a, gen_helper_gvec_udot_b)
+TRANS_FEAT(USDOT_v, aa64_i8mm, do_dot_vector, a, gen_helper_gvec_usdot_b)
/*
* Advanced SIMD scalar/vector x indexed element
@@ -5937,6 +5938,10 @@
TRANS_FEAT(SDOT_vi, aa64_dp, do_dot_vector_idx, a, gen_helper_gvec_sdot_idx_b)
TRANS_FEAT(UDOT_vi, aa64_dp, do_dot_vector_idx, a, gen_helper_gvec_udot_idx_b)
+TRANS_FEAT(SUDOT_vi, aa64_i8mm, do_dot_vector_idx, a,
+ gen_helper_gvec_sudot_idx_b)
+TRANS_FEAT(USDOT_vi, aa64_i8mm, do_dot_vector_idx, a,
+ gen_helper_gvec_usdot_idx_b)
/*
* Advanced SIMD scalar pairwise
@@ -10914,13 +10919,6 @@
int rot;
switch (u * 16 + opcode) {
- case 0x03: /* USDOT */
- if (size != MO_32) {
- unallocated_encoding(s);
- return;
- }
- feature = dc_isar_feature(aa64_i8mm, s);
- break;
case 0x04: /* SMMLA */
case 0x14: /* UMMLA */
case 0x05: /* USMMLA */
@@ -10964,6 +10962,7 @@
break;
default:
case 0x02: /* SDOT (vector) */
+ case 0x03: /* USDOT */
case 0x10: /* SQRDMLAH (vector) */
case 0x11: /* SQRDMLSH (vector) */
case 0x12: /* UDOT (vector) */
@@ -10979,10 +10978,6 @@
}
switch (opcode) {
- case 0x3: /* USDOT */
- gen_gvec_op4_ool(s, is_q, rd, rn, rm, rd, 0, gen_helper_gvec_usdot_b);
- return;
-
case 0x04: /* SMMLA, UMMLA */
gen_gvec_op4_ool(s, 1, rd, rn, rm, rd, 0,
u ? gen_helper_gvec_ummla_b
@@ -12058,14 +12053,6 @@
break;
case 0x0f:
switch (size) {
- case 0: /* SUDOT */
- case 2: /* USDOT */
- if (is_scalar || !dc_isar_feature(aa64_i8mm, s)) {
- unallocated_encoding(s);
- return;
- }
- size = MO_32;
- break;
case 1: /* BFDOT */
if (is_scalar || !dc_isar_feature(aa64_bf16, s)) {
unallocated_encoding(s);
@@ -12082,6 +12069,8 @@
size = MO_16;
break;
default:
+ case 0: /* SUDOT */
+ case 2: /* USDOT */
unallocated_encoding(s);
return;
}
@@ -12190,18 +12179,10 @@
switch (16 * u + opcode) {
case 0x0f:
switch (extract32(insn, 22, 2)) {
- case 0: /* SUDOT */
- gen_gvec_op4_ool(s, is_q, rd, rn, rm, rd, index,
- gen_helper_gvec_sudot_idx_b);
- return;
case 1: /* BFDOT */
gen_gvec_op4_ool(s, is_q, rd, rn, rm, rd, index,
gen_helper_gvec_bfdot_idx);
return;
- case 2: /* USDOT */
- gen_gvec_op4_ool(s, is_q, rd, rn, rm, rd, index,
- gen_helper_gvec_usdot_idx_b);
- return;
case 3: /* BFMLAL{B,T} */
gen_gvec_op4_fpst(s, 1, rd, rn, rm, rd, 0, (index << 1) | is_q,
gen_helper_gvec_bfmlal_idx);
