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target/arm: Implement SVE2 integer absolute difference and accumulate 

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210525010358.152808-24-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2021-05-24 18:02:49 -07:00 committed by Peter Maydell
parent fc12b46a46
commit 289a17976d
2 changed files with 27 additions and 0 deletions
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6
target/arm/sve.decode
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@ -1266,3 +1266,9 @@ URSRA 01000101 .. 0 ..... 1110 11 ..... ..... @rd_rn_tszimm_shr
SRI 01000101 .. 0 ..... 11110 0 ..... ..... @rd_rn_tszimm_shr
SLI 01000101 .. 0 ..... 11110 1 ..... ..... @rd_rn_tszimm_shl
## SVE2 integer absolute difference and accumulate
# TODO: Use @rda and %reg_movprfx here.
SABA 01000101 .. 0 ..... 11111 0 ..... ..... @rd_rn_rm
UABA 01000101 .. 0 ..... 11111 1 ..... ..... @rd_rn_rm

21
target/arm/translate-sve.c
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@ -6438,3 +6438,24 @@ static bool trans_SLI(DisasContext *s, arg_rri_esz *a)
{
return do_sve2_fn2i(s, a, gen_gvec_sli);
}
static bool do_sve2_fn_zzz(DisasContext *s, arg_rrr_esz *a, GVecGen3Fn *fn)
{
if (!dc_isar_feature(aa64_sve2, s)) {
return false;
}
if (sve_access_check(s)) {
gen_gvec_fn_zzz(s, fn, a->esz, a->rd, a->rn, a->rm);
}
return true;
}
static bool trans_SABA(DisasContext *s, arg_rrr_esz *a)
{
return do_sve2_fn_zzz(s, a, gen_gvec_saba);
}
static bool trans_UABA(DisasContext *s, arg_rrr_esz *a)
{
return do_sve2_fn_zzz(s, a, gen_gvec_uaba);
}