From: Roger Sayle <roger@eyesopen.com>
Date: Fri, 18 Jul 2003 00:28:14 +0000 (+0000)
Subject: cse.c (fold_rtx): Use swap_commutative_operands_p to determine whether to reorder... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=c715abddc7937701bde7e38f43338303b79d0e38;p=gcc.git

cse.c (fold_rtx): Use swap_commutative_operands_p to determine whether to reorder the operands of...


	* cse.c (fold_rtx): Use swap_commutative_operands_p to determine
	whether to reorder the operands of a commutative binary operator.

From-SVN: r69534
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index dfff20cdaa4..3784190c923 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2003-07-17  Roger Sayle  <roger@eyesopen.com>
+
+	* cse.c (fold_rtx): Use swap_commutative_operands_p to determine
+	whether to reorder the operands of a commutative binary operator.
+
 2003-07-17  Roger Sayle  <roger@eyesopen.com>
 
 	* fold-const.c (const_binop): Avoid performing the FP operation at
diff --git a/gcc/cse.c b/gcc/cse.c
index 5e6c9e40b17..7d051021936 100644
--- a/gcc/cse.c
+++ b/gcc/cse.c
@@ -3783,10 +3783,11 @@ fold_rtx (rtx x, rtx insn)
       || code == LTGT || code == UNEQ || code == ORDERED
       || code == UNORDERED)
     {
-      if (must_swap || (const_arg0
-			&& (const_arg1 == 0
-			    || (GET_CODE (const_arg0) == CONST_INT
-			        && GET_CODE (const_arg1) != CONST_INT))))
+      if (must_swap
+	  || swap_commutative_operands_p (const_arg0 ? const_arg0
+						     : XEXP (x, 0),
+					  const_arg1 ? const_arg1
+						     : XEXP (x, 1)))
 	{
 	  rtx tem = XEXP (x, 0);