From: Jakub Jelinek <jakub@redhat.com>
Date: Wed, 6 Aug 2014 08:50:12 +0000 (+0200)
Subject: re PR rtl-optimization/61801 (sched2 miscompiles syscall sequence with -g)
X-Git-Tag: releases/gcc-4.8.4~309
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4d6d6a6b9d946e4809bb9d6b23c31429e930abdb;p=thirdparty%2Fgcc.git

re PR rtl-optimization/61801 (sched2 miscompiles syscall sequence with -g)

	PR rtl-optimization/61801
	* gcc.target/i386/pr61801.c: Rewritten.

From-SVN: r213654
---

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 8e6d198a1130..ce09fe013261 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2014-08-06  Jakub Jelinek  <jakub@redhat.com>
+
+	PR rtl-optimization/61801
+	* gcc.target/i386/pr61801.c: Rewritten.
+
 2014-08-01  Thomas Preud'homme  <thomas.preudhomme@arm.com>
 
 	Backport from mainline
diff --git a/gcc/testsuite/gcc.target/i386/pr61801.c b/gcc/testsuite/gcc.target/i386/pr61801.c
index c15cfd8d4b77..d0d08ccb4013 100644
--- a/gcc/testsuite/gcc.target/i386/pr61801.c
+++ b/gcc/testsuite/gcc.target/i386/pr61801.c
@@ -1,22 +1,21 @@
+/* PR rtl-optimization/61801 */
 /* { dg-do compile } */
 /* { dg-options "-Os -fcompare-debug" } */
 
-int a, b, c;
-void fn1 ()
+int a, c;
+int bar (void);
+void baz (void);
+
+void
+foo (void)
 {
   int d;
-  if (fn2 () && !0)
+  if (bar ())
     {
-      b = (
-	   {
-	   int e;
-	   fn3 ();
-	   switch (0)
-	   default:
-	   asm volatile("" : "=a"(e) : "0"(a), "i"(0));
-	   e;
-	   });
-      d = b;
+      int e;
+      baz ();
+      asm volatile ("" : "=a" (e) : "0" (a), "i" (0));
+      d = e;
     }
   c = d;
 }