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target/arm: Implement SVE2 integer multiply (indexed)

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Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210525010358.152808-54-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2021-05-24 18:03:19 -07:00 committed by Peter Maydell
parent 0a82d963b7
commit 814d4c521f
2 changed files with 37 additions and 0 deletions
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7
target/arm/sve.decode
View file

@ -775,12 +775,19 @@ MUL_zzi 00100101 .. 110 000 110 ........ ..... @rdn_i8s
DOT_zzzz 01000100 1 sz:1 0 rm:5 00000 u:1 rn:5 rd:5 \
ra=%reg_movprfx
#### SVE Multiply - Indexed
# SVE integer dot product (indexed)
SDOT_zzxw_s 01000100 10 1 ..... 000000 ..... ..... @rrxr_2 esz=2
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 (indexed)
MUL_zzx_h 01000100 0. 1 ..... 111110 ..... ..... @rrx_3 esz=1
MUL_zzx_s 01000100 10 1 ..... 111110 ..... ..... @rrx_2 esz=2
MUL_zzx_d 01000100 11 1 ..... 111110 ..... ..... @rrx_1 esz=3
# SVE floating-point complex add (predicated)
FCADD 01100100 esz:2 00000 rot:1 100 pg:3 rm:5 rd:5 \
rn=%reg_movprfx

30
target/arm/translate-sve.c
View file

@ -3813,6 +3813,10 @@ static bool trans_DOT_zzzz(DisasContext *s, arg_DOT_zzzz *a)
return true;
}
/*
* SVE Multiply - Indexed
*/
static bool do_zzxz_ool(DisasContext *s, arg_rrxr_esz *a,
gen_helper_gvec_4 *fn)
{
@ -3836,6 +3840,32 @@ DO_RRXR(trans_UDOT_zzxw_d, gen_helper_gvec_udot_idx_h)
#undef DO_RRXR
static bool do_sve2_zzz_data(DisasContext *s, int rd, int rn, int rm, int data,
gen_helper_gvec_3 *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_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;
}
#define DO_SVE2_RRX(NAME, FUNC) \
static bool NAME(DisasContext *s, arg_rrx_esz *a) \
{ return do_sve2_zzz_data(s, a->rd, a->rn, a->rm, a->index, FUNC); }
DO_SVE2_RRX(trans_MUL_zzx_h, gen_helper_gvec_mul_idx_h)
DO_SVE2_RRX(trans_MUL_zzx_s, gen_helper_gvec_mul_idx_s)
DO_SVE2_RRX(trans_MUL_zzx_d, gen_helper_gvec_mul_idx_d)
#undef DO_SVE2_RRX
/*
*** SVE Floating Point Multiply-Add Indexed Group
*/