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cmd/asm, cmd/internal/obj/s390x: fix encoding of VREPI{H,F,G}

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Also adds tests for all missing VRI-a instructions (which may be
affected by this change).

Fixes #18749.

Change-Id: I48249dda626f32555da9ab58659e2e140de6504a
Reviewed-on: https://go-review.googlesource.com/35561
Run-TryBot: Michael Munday <munday@ca.ibm.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: David Chase <drchase@google.com>
This commit is contained in:
Michael Munday 2017-01-22 12:12:22 -05:00
parent 7f31971f59
commit fd118b69fa
2 changed files with 7 additions and 2 deletions
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6
src/cmd/asm/internal/asm/testdata/s390x.s vendored
View File

@ -294,6 +294,9 @@ TEXT main·foo(SB),7,$16-0 // TEXT main.foo(SB), 7, $16-0
VZERO V16 // e70000000844
VGBM $52428, V31 // e7f0cccc0844
VREPIB $255, V4 // e74000ff0045
VREPIH $-1, V16 // e700ffff1845
VREPIF $-32768, V0 // e70080002045
VREPIG $32767, V31 // e7f07fff3845
VREPG $1, V4, V16 // e7040001384d
VREPB $4, V31, V1 // e71f0004044d
VFTCIDB $4095, V1, V2 // e721fff0304a
@ -318,7 +321,10 @@ TEXT main·foo(SB),7,$16-0 // TEXT main.foo(SB), 7, $16-0
VLL R0, (R15), V1 // VLL (R15), R0, V1 // e710f0000037
VSTL R0, V16, (R15) // VSTL V16, R0, (R15) // e700f000083f
VGMH $8, $16, V12 // VGMH $16, $8, V12 // e7c008101046
VLEIB $15, $255, V0 // VLEIB $255, $15, V0 // e70000fff040
VLEIH $7, $-32768, V15 // VLEIH $-32768, $7, V15 // e7f080007041
VLEIF $2, $-43, V16 // VLEIF $-43, $2, V16 // e700ffd52843
VLEIG $1, $32767, V31 // VLEIG $32767, $1, V31 // e7f07fff1842
VSLDB $3, V1, V16, V18 // VSLDB V1, V16, $3, V18 // e72100030a77
VERIMB $2, V31, V1, V2 // VERIMB V31, V1, $2, V2 // e72f10020472
VSEL V1, V2, V3, V4 // VSEL V2, V3, V1, V4 // e7412000308d

3
src/cmd/internal/obj/s390x/asmz.go
View File

@ -4014,7 +4014,7 @@ func asmout(ctxt *obj.Link, asm *[]byte) {
zVRS(op, uint32(p.To.Reg), uint32(p.From3.Reg), uint32(reg), offset, 0, asm)
case 109: // VRI-a
op, _, _ := vop(p.As)
op, m3, _ := vop(p.As)
i2 := uint32(vregoff(ctxt, &p.From))
switch p.As {
case AVZERO:
@ -4022,7 +4022,6 @@ func asmout(ctxt *obj.Link, asm *[]byte) {
case AVONE:
i2 = 0xffff
}
m3 := uint32(0)
if p.From3 != nil {
m3 = uint32(vregoff(ctxt, p.From3))
}