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-rw-r--r--src/cmd/gc/walk.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/src/cmd/gc/walk.c b/src/cmd/gc/walk.c
index 2f151307a..5ee82eeac 100644
--- a/src/cmd/gc/walk.c
+++ b/src/cmd/gc/walk.c
@@ -823,10 +823,13 @@ walkexpr(Node **np, NodeList **init)
}
/*
- * on 32-bit arch, rewrite 64-bit ops into l = l op r
+ * on 32-bit arch, rewrite 64-bit ops into l = l op r.
+ * on 386, rewrite float ops into l = l op r.
+ * TODO(rsc): Maybe this rewrite should be done always?
*/
et = n->left->type->etype;
- if(widthptr == 4 && (et == TUINT64 || et == TINT64)) {
+ if((widthptr == 4 && (et == TUINT64 || et == TINT64)) ||
+ (thechar == '8' && isfloat[et])) {
l = safeexpr(n->left, init);
r = nod(OAS, l, nod(n->etype, l, n->right));
typecheck(&r, Etop);