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Diffstat (limited to 'src/pkg/runtime/darwin/amd64/signal.c')
-rw-r--r--src/pkg/runtime/darwin/amd64/signal.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/pkg/runtime/darwin/amd64/signal.c b/src/pkg/runtime/darwin/amd64/signal.c
index 8145e8d8f..b3fa8404f 100644
--- a/src/pkg/runtime/darwin/amd64/signal.c
+++ b/src/pkg/runtime/darwin/amd64/signal.c
@@ -63,7 +63,9 @@ sighandler(int32 sig, Siginfo *info, void *context)
pc = (byte*)r->rip;
if((pc[0]&0xF0) == 0x40) // 64-bit REX prefix
pc++;
- if(pc[0] == 0xF7)
+ else if(pc[0] == 0x66) // 16-bit instruction prefix
+ pc++;
+ if(pc[0] == 0xF6 || pc[0] == 0xF7)
info->si_code = FPE_INTDIV;
}