@@ -993,6 +993,13 @@ DEF_HELPER_FLAGS_6(sve2_fmlal_zzxw_s, TCG_CALL_NO_RWG,
DEF_HELPER_FLAGS_4(gvec_xar_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(gvec_smmla_b, TCG_CALL_NO_RWG,
+ void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(gvec_ummla_b, TCG_CALL_NO_RWG,
+ void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(gvec_usmmla_b, TCG_CALL_NO_RWG,
+ void, ptr, ptr, ptr, ptr, i32)
+
#ifdef TARGET_AARCH64
#include "helper-a64.h"
#include "helper-sve.h"
@@ -59,6 +59,13 @@ VFML 1111 110 0 s:1 . 10 .... .... 1000 . 0 . 1 .... \
VFML 1111 110 0 s:1 . 10 .... .... 1000 . 1 . 1 .... \
vm=%vm_dp vn=%vn_dp vd=%vd_dp q=1
+VSMMLA 1111 1100 0.10 .... .... 1100 .1.0 .... \
+ vm=%vm_dp vn=%vn_dp vd=%vd_dp
+VUMMLA 1111 1100 0.10 .... .... 1100 .1.1 .... \
+ vm=%vm_dp vn=%vn_dp vd=%vd_dp
+VUSMMLA 1111 1100 1.10 .... .... 1100 .1.0 .... \
+ vm=%vm_dp vn=%vn_dp vd=%vd_dp
+
VCMLA_scalar 1111 1110 0 . rot:2 .... .... 1000 . q:1 index:1 0 vm:4 \
vn=%vn_dp vd=%vd_dp size=1
VCMLA_scalar 1111 1110 1 . rot:2 .... .... 1000 . q:1 . 0 .... \
@@ -1413,6 +1413,12 @@ USHLLT 01000101 .. 0 ..... 1010 11 ..... ..... @rd_rn_tszimm_shl
EORBT 01000101 .. 0 ..... 10010 0 ..... ..... @rd_rn_rm
EORTB 01000101 .. 0 ..... 10010 1 ..... ..... @rd_rn_rm
+## SVE integer matrix multiply accumulate
+
+SMMLA 01000101 00 0 ..... 10011 0 ..... ..... @rda_rn_rm_e0
+USMMLA 01000101 10 0 ..... 10011 0 ..... ..... @rda_rn_rm_e0
+UMMLA 01000101 11 0 ..... 10011 0 ..... ..... @rda_rn_rm_e0
+
## SVE2 bitwise permute
BEXT 01000101 .. 0 ..... 1011 00 ..... ..... @rd_rn_rm
@@ -12182,6 +12182,15 @@ static void disas_simd_three_reg_same_extra(DisasContext *s, uint32_t insn)
}
feature = dc_isar_feature(aa64_i8mm, s);
break;
+ case 0x04: /* SMMLA */
+ case 0x14: /* UMMLA */
+ case 0x05: /* USMMLA */
+ if (!is_q || size != MO_32) {
+ unallocated_encoding(s);
+ return;
+ }
+ feature = dc_isar_feature(aa64_i8mm, s);
+ break;
case 0x18: /* FCMLA, #0 */
case 0x19: /* FCMLA, #90 */
case 0x1a: /* FCMLA, #180 */
@@ -12226,6 +12235,15 @@ static void disas_simd_three_reg_same_extra(DisasContext *s, uint32_t insn)
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
+ : gen_helper_gvec_smmla_b);
+ return;
+ case 0x05: /* USMMLA */
+ gen_gvec_op4_ool(s, 1, rd, rn, rm, rd, 0, gen_helper_gvec_usmmla_b);
+ return;
+
case 0x8: /* FCMLA, #0 */
case 0x9: /* FCMLA, #90 */
case 0xa: /* FCMLA, #180 */
@@ -4036,3 +4036,30 @@ static bool trans_VTRN(DisasContext *s, arg_2misc *a)
tcg_temp_free_i32(tmp2);
return true;
}
+
+static bool trans_VSMMLA(DisasContext *s, arg_VSMMLA *a)
+{
+ if (!dc_isar_feature(aa32_i8mm, s)) {
+ return false;
+ }
+ return do_neon_ddda(s, 7, a->vd, a->vn, a->vm, 0,
+ gen_helper_gvec_smmla_b);
+}
+
+static bool trans_VUMMLA(DisasContext *s, arg_VUMMLA *a)
+{
+ if (!dc_isar_feature(aa32_i8mm, s)) {
+ return false;
+ }
+ return do_neon_ddda(s, 7, a->vd, a->vn, a->vm, 0,
+ gen_helper_gvec_ummla_b);
+}
+
+static bool trans_VUSMMLA(DisasContext *s, arg_VUSMMLA *a)
+{
+ if (!dc_isar_feature(aa32_i8mm, s)) {
+ return false;
+ }
+ return do_neon_ddda(s, 7, a->vd, a->vn, a->vm, 0,
+ gen_helper_gvec_usmmla_b);
+}
@@ -8610,3 +8610,30 @@ static bool trans_FMLSLT_zzxw(DisasContext *s, arg_rrxr_esz *a)
{
return do_FMLAL_zzxw(s, a, true, true);
}
+
+static bool do_i8mm_zzzz_ool(DisasContext *s, arg_rrrr_esz *a,
+ gen_helper_gvec_4 *fn, int data)
+{
+ if (!dc_isar_feature(aa64_sve_i8mm, s)) {
+ return false;
+ }
+ if (sve_access_check(s)) {
+ gen_gvec_ool_zzzz(s, fn, a->rd, a->rn, a->rm, a->ra, data);
+ }
+ return true;
+}
+
+static bool trans_SMMLA(DisasContext *s, arg_rrrr_esz *a)
+{
+ return do_i8mm_zzzz_ool(s, a, gen_helper_gvec_smmla_b, 0);
+}
+
+static bool trans_USMMLA(DisasContext *s, arg_rrrr_esz *a)
+{
+ return do_i8mm_zzzz_ool(s, a, gen_helper_gvec_usmmla_b, 0);
+}
+
+static bool trans_UMMLA(DisasContext *s, arg_rrrr_esz *a)
+{
+ return do_i8mm_zzzz_ool(s, a, gen_helper_gvec_ummla_b, 0);
+}
@@ -2335,3 +2335,80 @@ void HELPER(gvec_xar_d)(void *vd, void *vn, void *vm, uint32_t desc)
}
clear_tail(d, opr_sz * 8, simd_maxsz(desc));
}
+
+/*
+ * Integer matrix-multiply accumulate
+ */
+
+static uint32_t do_smmla_b(uint32_t sum, void *vn, void *vm)
+{
+ int8_t *n = vn, *m = vm;
+
+ for (intptr_t k = 0; k < 8; ++k) {
+ sum += n[H1(k)] * m[H1(k)];
+ }
+ return sum;
+}
+
+static uint32_t do_ummla_b(uint32_t sum, void *vn, void *vm)
+{
+ uint8_t *n = vn, *m = vm;
+
+ for (intptr_t k = 0; k < 8; ++k) {
+ sum += n[H1(k)] * m[H1(k)];
+ }
+ return sum;
+}
+
+static uint32_t do_usmmla_b(uint32_t sum, void *vn, void *vm)
+{
+ uint8_t *n = vn;
+ int8_t *m = vm;
+
+ for (intptr_t k = 0; k < 8; ++k) {
+ sum += n[H1(k)] * m[H1(k)];
+ }
+ return sum;
+}
+
+static void do_mmla_b(void *vd, void *vn, void *vm, void *va, uint32_t desc,
+ uint32_t (*inner_loop)(uint32_t, void *, void *))
+{
+ intptr_t seg, opr_sz = simd_oprsz(desc);
+
+ for (seg = 0; seg < opr_sz; seg += 16) {
+ uint32_t *d = vd + seg;
+ uint32_t *a = va + seg;
+ uint32_t sum0, sum1, sum2, sum3;
+
+ /*
+ * Process the entire segment at once, writing back the
+ * results only after we've consumed all of the inputs.
+ *
+ * Key to indicies by column:
+ * i j i j
+ */
+ sum0 = a[H4(0 + 0)];
+ sum0 = inner_loop(sum0, vn + seg + 0, vm + seg + 0);
+ sum1 = a[H4(0 + 1)];
+ sum1 = inner_loop(sum1, vn + seg + 0, vm + seg + 8);
+ sum2 = a[H4(2 + 0)];
+ sum2 = inner_loop(sum2, vn + seg + 8, vm + seg + 0);
+ sum3 = a[H4(2 + 1)];
+ sum3 = inner_loop(sum3, vn + seg + 8, vm + seg + 8);
+
+ d[H4(0)] = sum0;
+ d[H4(1)] = sum1;
+ d[H4(2)] = sum2;
+ d[H4(3)] = sum3;
+ }
+ clear_tail(vd, opr_sz, simd_maxsz(desc));
+}
+
+#define DO_MMLA_B(NAME, INNER) \
+ void HELPER(NAME)(void *vd, void *vn, void *vm, void *va, uint32_t desc) \
+ { do_mmla_b(vd, vn, vm, va, desc, INNER); }
+
+DO_MMLA_B(gvec_smmla_b, do_smmla_b)
+DO_MMLA_B(gvec_ummla_b, do_ummla_b)
+DO_MMLA_B(gvec_usmmla_b, do_usmmla_b)
This is {S,U,US}MMLA for both AArch64 AdvSIMD and SVE, and V{S,U,US}MMLA.S8 for AArch32 NEON. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> --- target/arm/helper.h | 7 ++++ target/arm/neon-shared.decode | 7 ++++ target/arm/sve.decode | 6 +++ target/arm/translate-a64.c | 18 ++++++++ target/arm/translate-neon.c | 27 ++++++++++++ target/arm/translate-sve.c | 27 ++++++++++++ target/arm/vec_helper.c | 77 +++++++++++++++++++++++++++++++++++ 7 files changed, 169 insertions(+) -- 2.25.1