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target/arm: Implement SVE2 integer multiply-add (indexed) 

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210525010358.152808-55-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2021-05-24 18:03:20 -07:00 committed by Peter Maydell
parent 814d4c521f
commit 8a02aac740
2 changed files with 39 additions and 0 deletions
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8
target/arm/sve.decode
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@ -783,6 +783,14 @@ SDOT_zzxw_d 01000100 11 1 ..... 000000 ..... ..... @rrxr_1 esz=3
UDOT_zzxw_s 01000100 10 1 ..... 000001 ..... ..... @rrxr_2 esz=2
UDOT_zzxw_d 01000100 11 1 ..... 000001 ..... ..... @rrxr_1 esz=3
# SVE2 integer multiply-add (indexed)
MLA_zzxz_h 01000100 0. 1 ..... 000010 ..... ..... @rrxr_3 esz=1
MLA_zzxz_s 01000100 10 1 ..... 000010 ..... ..... @rrxr_2 esz=2
MLA_zzxz_d 01000100 11 1 ..... 000010 ..... ..... @rrxr_1 esz=3
MLS_zzxz_h 01000100 0. 1 ..... 000011 ..... ..... @rrxr_3 esz=1
MLS_zzxz_s 01000100 10 1 ..... 000011 ..... ..... @rrxr_2 esz=2
MLS_zzxz_d 01000100 11 1 ..... 000011 ..... ..... @rrxr_1 esz=3
# SVE2 integer multiply (indexed)
MUL_zzx_h 01000100 0. 1 ..... 111110 ..... ..... @rrx_3 esz=1
MUL_zzx_s 01000100 10 1 ..... 111110 ..... ..... @rrx_2 esz=2

31
target/arm/translate-sve.c
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@ -3866,6 +3866,37 @@ DO_SVE2_RRX(trans_MUL_zzx_d, gen_helper_gvec_mul_idx_d)
#undef DO_SVE2_RRX
static bool do_sve2_zzzz_data(DisasContext *s, int rd, int rn, int rm, int ra,
int data, gen_helper_gvec_4 *fn)
{
if (fn == NULL || !dc_isar_feature(aa64_sve2, s)) {
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;
}
#define DO_SVE2_RRXR(NAME, FUNC) \
static bool NAME(DisasContext *s, arg_rrxr_esz *a) \
{ return do_sve2_zzzz_data(s, a->rd, a->rn, a->rm, a->ra, a->index, FUNC); }
DO_SVE2_RRXR(trans_MLA_zzxz_h, gen_helper_gvec_mla_idx_h)
DO_SVE2_RRXR(trans_MLA_zzxz_s, gen_helper_gvec_mla_idx_s)
DO_SVE2_RRXR(trans_MLA_zzxz_d, gen_helper_gvec_mla_idx_d)
DO_SVE2_RRXR(trans_MLS_zzxz_h, gen_helper_gvec_mls_idx_h)
DO_SVE2_RRXR(trans_MLS_zzxz_s, gen_helper_gvec_mls_idx_s)
DO_SVE2_RRXR(trans_MLS_zzxz_d, gen_helper_gvec_mls_idx_d)
#undef DO_SVE2_RRXR
/*
*** SVE Floating Point Multiply-Add Indexed Group
*/