diff options
| author | Ian Lance Taylor <iant@golang.org> | 2014-11-09 18:55:36 -0800 |
|---|---|---|
| committer | Ian Lance Taylor <iant@golang.org> | 2014-11-09 18:55:36 -0800 |
| commit | 9103409cfde1cdabad9b7e2475543015db0cc9d0 (patch) | |
| tree | 62b5a129bffe2a9283423b1d4c30f697bb955572 /src/cmd/5g | |
| parent | 78d351d121615f1101f28f88920029f20884c689 (diff) | |
| download | go-9103409cfde1cdabad9b7e2475543015db0cc9d0.tar.gz | |
cmd/5g: fix bit mask for div/mod routines clobbering R12
This patch is based only on reading the code. I have not
tried to construct a test case.
Fixes issue 9077.
LGTM=minux
R=minux
CC=golang-codereviews
https://codereview.appspot.com/172110043
Diffstat (limited to 'src/cmd/5g')
| -rw-r--r-- | src/cmd/5g/reg.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/cmd/5g/reg.c b/src/cmd/5g/reg.c index 27d9d3e8b..b78c268df 100644 --- a/src/cmd/5g/reg.c +++ b/src/cmd/5g/reg.c @@ -230,7 +230,7 @@ regopt(Prog *firstp) /* the mod/div runtime routines smash R12 */ if(p->as == ADIV || p->as == ADIVU || p->as == AMOD || p->as == AMODU) - r->set.b[z] |= RtoB(12); + r->set.b[0] |= RtoB(12); } if(firstr == R) return; |