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target/arm: Split decode of VSDOT and VUDOT 

Now that we have a common helper, sharing decode does not
save much.  Also, this will solve an upcoming naming problem.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210525010358.152808-89-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2021-05-24 18:03:54 -07:00 committed by Peter Maydell
parent 5a46304c03
commit f0ad96cb28
2 changed files with 28 additions and 11 deletions
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9
target/arm/neon-shared.decode
View File

@ -46,8 +46,9 @@ VCMLA 1111 110 rot:2 . 1 . .... .... 1000 . q:1 . 0 .... \
VCADD 1111 110 rot:1 1 . 0 . .... .... 1000 . q:1 . 0 .... \
vm=%vm_dp vn=%vn_dp vd=%vd_dp size=%vcadd_size
# VUDOT and VSDOT
VDOT 1111 110 00 . 10 .... .... 1101 . q:1 . u:1 .... \
VSDOT 1111 110 00 . 10 .... .... 1101 . q:1 . 0 .... \
vm=%vm_dp vn=%vn_dp vd=%vd_dp
VUDOT 1111 110 00 . 10 .... .... 1101 . q:1 . 1 .... \
vm=%vm_dp vn=%vn_dp vd=%vd_dp
# VFM[AS]L
@ -61,7 +62,9 @@ VCMLA_scalar 1111 1110 0 . rot:2 .... .... 1000 . q:1 index:1 0 vm:4 \
VCMLA_scalar 1111 1110 1 . rot:2 .... .... 1000 . q:1 . 0 .... \
vm=%vm_dp vn=%vn_dp vd=%vd_dp size=2 index=0
VDOT_scalar 1111 1110 0 . 10 .... .... 1101 . q:1 index:1 u:1 vm:4 \
VSDOT_scalar 1111 1110 0 . 10 .... .... 1101 . q:1 index:1 0 vm:4 \
vn=%vn_dp vd=%vd_dp
VUDOT_scalar 1111 1110 0 . 10 .... .... 1101 . q:1 index:1 1 vm:4 \
vn=%vn_dp vd=%vd_dp
%vfml_scalar_q0_rm 0:3 5:1

30
target/arm/translate-neon.c
View File

@ -269,15 +269,22 @@ static bool trans_VCADD(DisasContext *s, arg_VCADD *a)
return true;
}
static bool trans_VDOT(DisasContext *s, arg_VDOT *a)
static bool trans_VSDOT(DisasContext *s, arg_VSDOT *a)
{
if (!dc_isar_feature(aa32_dp, s)) {
return false;
}
return do_neon_ddda(s, a->q * 7, a->vd, a->vn, a->vm, 0,
a->u
? gen_helper_gvec_udot_b
: gen_helper_gvec_sdot_b);
gen_helper_gvec_sdot_b);
}
static bool trans_VUDOT(DisasContext *s, arg_VUDOT *a)
{
if (!dc_isar_feature(aa32_dp, s)) {
return false;
}
return do_neon_ddda(s, a->q * 7, a->vd, a->vn, a->vm, 0,
gen_helper_gvec_udot_b);
}
static bool trans_VFML(DisasContext *s, arg_VFML *a)
@ -329,15 +336,22 @@ static bool trans_VCMLA_scalar(DisasContext *s, arg_VCMLA_scalar *a)
FPST_STD, gen_helper_gvec_fcmlas_idx);
}
static bool trans_VDOT_scalar(DisasContext *s, arg_VDOT_scalar *a)
static bool trans_VSDOT_scalar(DisasContext *s, arg_VSDOT_scalar *a)
{
if (!dc_isar_feature(aa32_dp, s)) {
return false;
}
return do_neon_ddda(s, a->q * 6, a->vd, a->vn, a->vm, a->index,
a->u
? gen_helper_gvec_udot_idx_b
: gen_helper_gvec_sdot_idx_b);
gen_helper_gvec_sdot_idx_b);
}
static bool trans_VUDOT_scalar(DisasContext *s, arg_VUDOT_scalar *a)
{
if (!dc_isar_feature(aa32_dp, s)) {
return false;
}
return do_neon_ddda(s, a->q * 6, a->vd, a->vn, a->vm, a->index,
gen_helper_gvec_udot_idx_b);
}
static bool trans_VFML_scalar(DisasContext *s, arg_VFML_scalar *a)