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8g: fix out of register bug in byte(x) code

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R=ken2
CC=golang-dev
https://golang.org/cl/223070
This commit is contained in:
Russ Cox 2010-02-26 14:21:52 -08:00
parent e6443f6255
commit bc6878331a
1 changed files with 1 additions and 6 deletions
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5
src/cmd/8g/cgen.c
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@ -215,14 +215,9 @@ cgen(Node *n, Node *res)
break; break;
} }
mgen(nl, &n1, res); mgen(nl, &n1, res);
if(n->type->width > widthptr)
tempname(&n2, n->type); tempname(&n2, n->type);
else
regalloc(&n2, n->type, res);
gmove(&n1, &n2); gmove(&n1, &n2);
gmove(&n2, res); gmove(&n2, res);
if(n2.op == OREGISTER)
regfree(&n2);
mfree(&n1); mfree(&n1);
break; break;