Currently only used by FMUL, but will shortly be used more.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/arm/sve.decode | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/target/arm/sve.decode b/target/arm/sve.decode
index 04ef38f148..eb5d4b052e 100644
--- a/target/arm/sve.decode
+++ b/target/arm/sve.decode
@@ -67,6 +67,7 @@
 &rri_esz        rd rn imm esz
 &rrri_esz       rd rn rm imm esz
 &rrr_esz        rd rn rm esz
+&rrx_esz        rd rn rm index esz
 &rpr_esz        rd pg rn esz
 &rpr_s          rd pg rn s
 &rprr_s         rd pg rn rm s
@@ -245,6 +246,14 @@
 @rpri_scatter_store ....... msz:2 ..    imm:5 ... pg:3 rn:5 rd:5 \
                     &rpri_scatter_store
 
+# Two registers and a scalar by index
+@rrx_h          ........ 0. . ..      rm:3 ...... rn:5 rd:5 \
+                &rrx_esz index=%index3_22_19 esz=1
+@rrx_s          ........ 10 . index:2 rm:3 ...... rn:5 rd:5 \
+                &rrx_esz esz=2
+@rrx_d          ........ 11 . index:1 rm:4 ...... rn:5 rd:5 \
+                &rrx_esz esz=3
+
 ###########################################################################
 # Instruction patterns.  Grouped according to the SVE encodingindex.xhtml.
 
@@ -792,10 +801,9 @@ FMLA_zzxz       01100100 111 index:1 rm:4 00000 sub:1 rn:5 rd:5 \
 ### SVE FP Multiply Indexed Group
 
 # SVE floating-point multiply (indexed)
-FMUL_zzx        01100100 0.1 .. rm:3 001000 rn:5 rd:5 \
-                index=%index3_22_19 esz=1
-FMUL_zzx        01100100 101 index:2 rm:3 001000 rn:5 rd:5      esz=2
-FMUL_zzx        01100100 111 index:1 rm:4 001000 rn:5 rd:5      esz=3
+FMUL_zzx        01100100 .. 1 ..... 001000 ..... .....   @rrx_h
+FMUL_zzx        01100100 .. 1 ..... 001000 ..... .....   @rrx_s
+FMUL_zzx        01100100 .. 1 ..... 001000 ..... .....   @rrx_d
 
 ### SVE FP Fast Reduction Group
 
-- 
2.25.1