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cmd/internal/obj/arm: fix arm build

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Mishandled the mask for the arm instructions.

TBR=rsc

Change-Id: Idc596097c0fa61dcacdfb4aca5bc6d0b4fd40eeb
Reviewed-on: https://go-review.googlesource.com/6641
Reviewed-by: Rob Pike <r@golang.org>
This commit is contained in:
Rob Pike 2015-03-03 10:12:26 -08:00
parent ec7d8a6167
commit 527b478edb
1 changed files with 5 additions and 4 deletions
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9
src/cmd/internal/obj/arm/asm5.go
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@ -1361,17 +1361,18 @@ func buildop(ctxt *obj.Link) {
sort.Sort(ocmp(optab[:n]))
for i := 0; i < n; i++ {
r0 := optab[i].as & obj.AMask
r := optab[i].as
r0 := r & obj.AMask
oprange[r0].start = optab[i:]
for optab[i].as&obj.AMask == r0 {
for optab[i].as == r {
i++
}
oprange[r0].stop = optab[i:]
i--
switch r0 {
switch r {
default:
ctxt.Diag("unknown op in build: %v", obj.Aconv(int(optab[i].as)))
ctxt.Diag("unknown op in build: %v", obj.Aconv(int(r)))
log.Fatalf("bad code")
case AADD: