re PR middle-end/63184 (Fails to simplify comparison)

2018-12-06  Richard Biener  <rguenther@suse.de>

	PR middle-end/63184
	* c-c++-common/pr19807-2.c: Try link only on x86, add xfailed
	optimized dump scanning.
	* c-c++-common/pr19807-3.c: Likewise.

From-SVN: r266846

gcc/testsuite/ChangeLog

+2018-12-06  Richard Biener  <rguenther@suse.de>
+
+	PR middle-end/63184
+	* c-c++-common/pr19807-2.c: Try link only on x86, add xfailed
+	optimized dump scanning.
+	* c-c++-common/pr19807-3.c: Likewise.
+
 2018-12-06  Paolo Carlini  <paolo.carlini@oracle.com>
 
 	* g++.dg/parse/bitfield6b.C: New.

gcc/testsuite/c-c++-common/pr19807-2.c

-/* { dg-do link } */
-/* { dg-options "-O" } */
+/* Some targets can optimize this on RTL.  */
+/* { dg-do link { target { x86_64-*-* i?86-*-* } } } */
+/* { dg-options "-O -fdump-tree-optimized" } */
 
 extern void link_error(void);
 int i;
@@ -10,3 +11,5 @@ int main()
     link_error();
   return 0;
 }
+
+/* { dg-final { scan-tree-dump-not "link_error" "optimized" { xfail *-*-* } } } */

gcc/testsuite/c-c++-common/pr19807-3.c

-/* { dg-do link } */
-/* { dg-options "-O" } */
+/* Some targets can optimize this on RTL.  */
+/* { dg-do link { target { x86_64-*-* i?86-*-* } } } */
+/* { dg-options "-O -fdump-tree-optimized" } */
 
 extern void link_error(void);
 int i;
@@ -10,3 +11,5 @@ int main()
     link_error();
   return 0;
 }
+
+/* { dg-final { scan-tree-dump-not "link_error" "optimized" { xfail *-*-* } } } */