re PR rtl-optimization/69052 (Performance regression after r229402.)

PR rtl-optimization/69052 * rtlanal.c (commutative_operand_precedence): Set higher precedence to CONST_WIDE_INT. From-SVN: r234034

re PR rtl-optimization/69052 (Performance regression after r229402.)
PR rtl-optimization/69052 * rtlanal.c (commutative_operand_precedence): Set higher precedence to CONST_WIDE_INT. From-SVN: r234034
b7b528a4 · Bin Cheng · Bin Cheng · e41f6c9e · b7b528a4 · b7b528a4
Commit b7b528a4 authored Mar 07, 2016 by Bin Cheng Committed by Bin Cheng Mar 07, 2016
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gcc/rtlanal.c
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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
+2016-03-07  Bin Cheng  <bin.cheng@arm.com>
+
+	PR rtl-optimization/69052
+	* rtlanal.c (commutative_operand_precedence): Set higher precedence
+	to CONST_WIDE_INT.
+
 2016-03-07  Tom de Vries  <tom@codesourcery.com>

 	PR tree-optimization/70116

--- a/gcc/rtlanal.c
+++ b/gcc/rtlanal.c
@@ -3358,7 +3358,7 @@ commutative_operand_precedence (rtx op)
  if (code == CONST_INT)
    return -8;
  if (code == CONST_WIDE_INT)
-    return -8;
+    return -7;
  if (code == CONST_DOUBLE)
    return -7;
  if (code == CONST_FIXED)