From: Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
Date: Tue, 12 Apr 2011 13:52:46 +0000 (+0000)
Subject: re PR target/48090 (gcc 4.5.2 miscompilation when building on arm)
X-Git-Tag: releases/gcc-4.5.3~79
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a7b973c8b3bf0060f744931bed9de96ebf22fba3;p=thirdparty%2Fgcc.git

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


Fix PR target/48090

From-SVN: r172320
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 83e48e59671b..fdd2535499ff 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2011-04-12  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
+
+	Backport from mainline:
+	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  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 
 	Backport from mainline:
diff --git a/gcc/config/arm/arm.md b/gcc/config/arm/arm.md
index 0de4a1441d5a..8a957d71c7a9 100644
--- a/gcc/config/arm/arm.md
+++ b/gcc/config/arm/arm.md
@@ -3554,7 +3554,7 @@
 ;; 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"