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authorRichard Henderson <richard.henderson@linaro.org>2021-05-24 18:03:19 -0700
committerPeter Maydell <peter.maydell@linaro.org>2021-05-25 16:01:44 +0100
commit814d4c521f6ff04b93de24d8de72e1c59da1485f (patch)
tree3f3320aab30fcf4fafc8f363e4e58db40f15ad9e /target
parent0a82d963b7e12711921a1e9de4fb74aee3bfd89b (diff)
target/arm: Implement SVE2 integer multiply (indexed)
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>
Diffstat (limited to 'target')
-rw-r--r--target/arm/sve.decode7
-rw-r--r--target/arm/translate-sve.c30
2 files changed, 37 insertions, 0 deletions
diff --git a/target/arm/sve.decode b/target/arm/sve.decode
index 74ac72bdbd..65cb0a2206 100644
--- a/target/arm/sve.decode
+++ b/target/arm/sve.decode
@@ -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
diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c
index ae443f3b20..dbab067a53 100644
--- a/target/arm/translate-sve.c
+++ b/target/arm/translate-sve.c
@@ -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
*/