From: ebotcazou <ebotcazou@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Wed, 20 Nov 2013 17:02:36 +0000 (+0000)
Subject: 	PR target/59207
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=05249932a81c9fbf5c5a3b72e58efcae51c2aacb;p=thirdparty%2Fgcc.git

	PR target/59207
	* config/sparc/sparc.c (sparc_fold_builtin) <case CODE_FOR_pdist_vis>:
	Make sure neg2_ovf is set before being used.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@205127 138bc75d-0d04-0410-961f-82ee72b054a4
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 9e0d643fea9b..7a2ea53ef061 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,10 +1,16 @@
+2013-11-20  Eric Botcazou  <ebotcazou@adacore.com>
+
+	PR target/59207
+	* config/sparc/sparc.c (sparc_fold_builtin) <case CODE_FOR_pdist_vis>:
+	Make sure neg2_ovf is set before being used.
+
 2013-11-20  Basile Starynkevitch  <basile@starynkevitch.net>
 
-        * plugin.def: Add comment about register_callback and
-        invoke_plugin_callbacks_full.
+	* plugin.def: Add comment about register_callback and
+	invoke_plugin_callbacks_full.
 
-        * plugin.c (register_callback, invoke_plugin_callbacks_full):
-        Handle PLUGIN_INCLUDE_FILE event.
+	* plugin.c (register_callback, invoke_plugin_callbacks_full):
+	Handle PLUGIN_INCLUDE_FILE event.
 
 2013-11-20  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 
diff --git a/gcc/config/sparc/sparc.c b/gcc/config/sparc/sparc.c
index cabf8f0d244d..8bdc9bb6bc6b 100644
--- a/gcc/config/sparc/sparc.c
+++ b/gcc/config/sparc/sparc.c
@@ -10658,7 +10658,8 @@ sparc_fold_builtin (tree fndecl, int n_args ATTRIBUTE_UNUSED,
 	      tmp = e0.add_with_sign (tmp, false, &add1_ovf);
 	      if (tmp.is_negative ())
 		tmp = tmp.neg_with_overflow (&neg2_ovf);
-
+	      else
+		neg2_ovf = false;
 	      result = result.add_with_sign (tmp, false, &add2_ovf);
 	      overflow |= neg1_ovf | neg2_ovf | add1_ovf | add2_ovf;
 	    }