From: Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
Date: Tue, 12 Apr 2011 13:42:48 +0000 (+0000)
Subject: re PR target/48090 (gcc 4.5.2 miscompilation when building on arm)
X-Git-Tag: releases/gcc-4.7.0~7559
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=ae59e00d17e296ccdaa5829ced97342bcf09971d;p=thirdparty%2Fgcc.git

re PR target/48090 (gcc 4.5.2 miscompilation when building on arm)


Fix PR target/48090

2011-04-12  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

       PR target/48090
       * config/arm/arm.md (*arm_negdi2): Fix early clobber constraints.

From-SVN: r172318
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 4a1ec50bbc3b..6c130b3b3ec0 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2011-04-12  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
+
+       PR target/48090
+       * config/arm/arm.md (*arm_negdi2): Fix early clobber constraints.
+
 2011-04-12  Richard Sandiford  <richard.sandiford@linaro.org>
 
 	* recog.h (insn_operand_data): Add an "allows_mem" field.
diff --git a/gcc/config/arm/arm.md b/gcc/config/arm/arm.md
index e703a73fba07..5e7b4023d127 100644
--- a/gcc/config/arm/arm.md
+++ b/gcc/config/arm/arm.md
@@ -3696,7 +3696,7 @@
 ;; The constraints here are to prevent a *partial* overlap (where %Q0 == %R1).
 ;; The first alternative allows the common case of a *full* overlap.
 (define_insn "*arm_negdi2"
-  [(set (match_operand:DI         0 "s_register_operand" "=&r,r")
+  [(set (match_operand:DI         0 "s_register_operand" "=r,&r")
 	(neg:DI (match_operand:DI 1 "s_register_operand"  "0,r")))
    (clobber (reg:CC CC_REGNUM))]
   "TARGET_ARM"