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cmd/asm: fix element size encoding for VSUMQ instruction on s390x

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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>
This commit is contained in:
Michael Munday 2019-10-07 14:37:44 -07:00
parent 421d35cf69
commit ff86ce13b6
2 changed files with 8 additions and 2 deletions
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6
src/cmd/asm/internal/asm/testdata/s390x.s vendored
View File

@ -435,6 +435,12 @@ TEXT main·foo(SB),DUPOK|NOSPLIT,$16-0 // TEXT main.foo(SB), DUPOK|NOSPLIT, $16-
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)

4
src/cmd/internal/obj/s390x/vector.go
View File

@ -978,9 +978,9 @@ func vop(as obj.As) (opcode, es, cs uint32) {
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: