From: Maxim Kuvyrkov <maxim@codesourcery.com>
Date: Tue, 27 Jul 2010 19:46:26 +0000 (+0000)
Subject: re PR rtl-optimization/40956 (Constants are never candidates for hoisting)
X-Git-Tag: releases/gcc-4.6.0~5380
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=9b9ee6d392b6f4f50bacb299e8e1350b1173add8;p=thirdparty%2Fgcc.git

re PR rtl-optimization/40956 (Constants are never candidates for hoisting)

	PR rtl-optimization/40956
	* config/arm/arm.c (thumb1_size_rtx_costs): Fix cost of simple
	constants.

From-SVN: r162596
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 0deef9c05662..9a2804376ecc 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2010-07-27  Maxim Kuvyrkov  <maxim@codesourcery.com>
+
+	PR rtl-optimization/40956
+	* config/arm/arm.c (thumb1_size_rtx_costs): Fix cost of simple
+	constants.
+
 2010-07-27  Maxim Kuvyrkov  <maxim@codesourcery.com>
 
 	PR target/42495
diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c
index 1146418fbfd1..9f004167c04a 100644
--- a/gcc/config/arm/arm.c
+++ b/gcc/config/arm/arm.c
@@ -7013,7 +7013,7 @@ thumb1_size_rtx_costs (rtx x, enum rtx_code code, enum rtx_code outer)
       if (outer == SET)
         {
           if ((unsigned HOST_WIDE_INT) INTVAL (x) < 256)
-            return 0;
+            return COSTS_N_INSNS (1);
 	  /* See split "TARGET_THUMB1 && satisfies_constraint_J".  */
 	  if (INTVAL (x) >= -255 && INTVAL (x) <= -1)
             return COSTS_N_INSNS (2);