cmd/asm: fix element size encoding for VSUMQ instruction on s390x
The element size for VSUMQF and VSUMQG was off by one. Fix this
and add tests for VSUM* instruction encodings.
Change-Id: I6de2dabb383e5bc6f85eef1e0f106ba949c9030b
Reviewed-on: https://go-review.googlesource.com/c/go/+/199978
Run-TryBot: Michael Munday <mike.munday@ibm.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
diff --git a/src/cmd/asm/internal/asm/testdata/s390x.s b/src/cmd/asm/internal/asm/testdata/s390x.s
index 4fc5994..6888651 100644
--- a/src/cmd/asm/internal/asm/testdata/s390x.s
+++ b/src/cmd/asm/internal/asm/testdata/s390x.s
@@ -435,6 +435,12 @@
VMSLEG V21, V22, V23, V24 // e78563807fb8
VMSLOG V21, V22, V23, V24 // e78563407fb8
VMSLEOG V21, V22, V23, V24 // e78563c07fb8
+ VSUMGH V1, V2, V3 // e73120001065
+ VSUMGF V16, V17, V18 // e72010002e65
+ VSUMQF V4, V5, V6 // e76450002067
+ VSUMQG V19, V20, V21 // e75340003e67
+ VSUMB V7, V8, V9 // e79780000064
+ VSUMH V22, V23, V24 // e78670001e64
RET
RET foo(SB)
diff --git a/src/cmd/internal/obj/s390x/vector.go b/src/cmd/internal/obj/s390x/vector.go
index 62adcf6..00f5783 100644
--- a/src/cmd/internal/obj/s390x/vector.go
+++ b/src/cmd/internal/obj/s390x/vector.go
@@ -978,9 +978,9 @@
case AVSUMQ:
return op_VSUMQ, 0, 0
case AVSUMQF:
- return op_VSUMQ, 1, 0
- case AVSUMQG:
return op_VSUMQ, 2, 0
+ case AVSUMQG:
+ return op_VSUMQ, 3, 0
case AVSUM:
return op_VSUM, 0, 0
case AVSUMB:
