[PATCH v4 52/78] target/arm: Implement SVE2 integer multiply (indexed)

[Richard Henderson]

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/arm/sve.decode      |  7 +++++++
 target/arm/translate-sve.c | 30 ++++++++++++++++++++++++++++++
 2 files changed, 37 insertions(+)

diff --git a/target/arm/sve.decode b/target/arm/sve.decode
index 87ee5b8629..5d20392887 100644
--- a/target/arm/sve.decode
+++ b/target/arm/sve.decode
@@ -777,12 +777,19 @@ 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 .. 1 ..... 000000 ..... .....          @rrxr_s
 SDOT_zzxw_d     01000100 .. 1 ..... 000000 ..... .....          @rrxr_d
 UDOT_zzxw_s     01000100 .. 1 ..... 000001 ..... .....          @rrxr_s
 UDOT_zzxw_d     01000100 .. 1 ..... 000001 ..... .....          @rrxr_d
 
+# SVE2 integer multiply (indexed)
+MUL_zzx_h       01000100 .. 1 ..... 111110 ..... .....          @rrx_h
+MUL_zzx_s       01000100 .. 1 ..... 111110 ..... .....          @rrx_s
+MUL_zzx_d       01000100 .. 1 ..... 111110 ..... .....          @rrx_d
+
 # 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 35d02df493..ee2ef91355 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_zzx_ool(DisasContext *s, arg_rrx_esz *a,
+                            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, a->rd),
+                           vec_full_reg_offset(s, a->rn),
+                           vec_full_reg_offset(s, a->rm),
+                           vsz, vsz, a->index, fn);
+    }
+    return true;
+}
+
+#define DO_SVE2_RRX(NAME, FUNC) \
+    static bool NAME(DisasContext *s, arg_rrx_esz *a)  \
+    { return do_sve2_zzx_ool(s, a, 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
  */
-- 
2.25.1