(expand_expr): For COMPONENT_REF, don't force_reg op0 if it is BLKmode.

From-SVN: r3905

(expand_expr): For COMPONENT_REF, don't force_reg op0 if it is BLKmode.
From-SVN: r3905
f2878c6b · Richard Stallman · 35523fce · f2878c6b
Commit f2878c6b authored 32 years ago by Richard Stallman
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gcc/expr.c
+1 -1

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--- a/gcc/expr.c
+++ b/gcc/expr.c
@@ -3854,7 +3854,7 @@ expand_expr (exp, target, tmode, modifier)
 	if (CONSTANT_P (op0))
 	  {
 	    enum machine_mode mode = TYPE_MODE (TREE_TYPE (tem));
-	    if (LEGITIMATE_CONSTANT_P (op0))
+	    if (mode != BLKmode && LEGITIMATE_CONSTANT_P (op0))
 	      op0 = force_reg (mode, op0);
 	    else
 	      op0 = validize_mem (force_const_mem (mode, op0));