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(expand_assignment): Don't pre-evaluate RHS if a CALL_EXPR with a
author
Richard Kenner
<kenner@gcc.gnu.org>
Tue, 16 Apr 1996 10:21:39 +0000
(06:21 -0400)
committer
Richard Kenner
<kenner@gcc.gnu.org>
Tue, 16 Apr 1996 10:21:39 +0000
(06:21 -0400)
variable-size return.
From-SVN: r11804
gcc/expr.c
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diff --git
a/gcc/expr.c
b/gcc/expr.c
index e29b404b69eb1fae6b9aae664aeeaee40ce137a0..512a083937f83e587deecd4216e49b33f0d5331b 100644
(file)
--- a/
gcc/expr.c
+++ b/
gcc/expr.c
@@
-2803,6
+2803,7
@@
expand_assignment (to, from, want_value, suggest_reg)
Handling this in the normal way is safe because no computation is done
before the call. */
if (TREE_CODE (from) == CALL_EXPR && ! aggregate_value_p (from)
+ && TREE_CODE (TYPE_SIZE (TREE_TYPE (from))) == INTEGER_CST
&& ! (TREE_CODE (to) == VAR_DECL && GET_CODE (DECL_RTL (to)) == REG))
{
rtx value;