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-rw-r--r--utils/8c/peep.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/utils/8c/peep.c b/utils/8c/peep.c
index 8a2d79b7..ed3e6b78 100644
--- a/utils/8c/peep.c
+++ b/utils/8c/peep.c
@@ -669,7 +669,7 @@ copyu(Prog *p, Adr *v, Adr *s)
return 3;
case ACALL: /* funny */
- if(REGARG && v->type == REGARG)
+ if(REGARG>=0 && v->type == REGARG)
return 2;
if(s != A) {