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(compare_from_rtx): Only swap operand if first is a constant and
author
Richard Kenner
<kenner@gcc.gnu.org>
Thu, 28 Jan 1993 00:22:17 +0000
(19:22 -0500)
committer
Richard Kenner
<kenner@gcc.gnu.org>
Thu, 28 Jan 1993 00:22:17 +0000
(19:22 -0500)
second is not.
From-SVN: r3370
gcc/expr.c
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diff --git
a/gcc/expr.c
b/gcc/expr.c
index
1a3cd5b
..
6b4a57a
100644
(file)
--- a/
gcc/expr.c
+++ b/
gcc/expr.c
@@
-7116,9
+7116,11
@@
compare_from_rtx (op0, op1, code, unsignedp, mode, size, align)
{
rtx tem;
- /* If one operand is constant, make it the second one. */
+ /* If one operand is constant, make it the second one. Only do this
+ if the other operand is not constant as well. */
- if (GET_CODE (op0) == CONST_INT || GET_CODE (op0) == CONST_DOUBLE)
+ if ((CONSTANT_P (op0) && ! CONSTANT_P (op1))
+ || (GET_CODE (op0) == CONST_INT && GET_CODE (op1) != CONST_INT))
{
tem = op0;
op0 = op1;