re PR testsuite/35047 (some vectorisation tests fail with --with-arch=core2 or…

re PR testsuite/35047 (some vectorisation tests fail with --with-arch=core2 or on  i386-apple-darwin8.11.1)

	PR testsuite/35047
	* gcc.c-torture/execute/20050316-2.x: New file.
	* gcc.target/i386/pr17390.c: Update scan pattern.
	* gcc.dg/builtin-apply4.c: Add -mno-mmx for 32bit x86 targets.
	* g++.dg/tree-ssa/ivopts-1.C: Remove XPASS for x86 targets.

From-SVN: r131997

gcc/testsuite/ChangeLog

+2008-02-01  Uros Bizjak  <ubizjak@gmail.com>
+
+	PR testsuite/35047
+	* gcc.c-torture/execute/20050316-2.x: New file.
+	* gcc.target/i386/pr17390.c: Update scan pattern.
+	* gcc.dg/builtin-apply4.c: Add -mno-mmx for 32bit x86 targets.
+	* g++.dg/tree-ssa/ivopts-1.C: Remove XPASS for x86 targets.
+
 2008-01-31  Paul Thomas  <pault@gcc.gnu.org>
 
 	PR fortran/34910

gcc/testsuite/g++.dg/tree-ssa/ivopts-1.C

@@ -13,6 +13,6 @@ void bar(void)
 }
 
 /* { dg-final { scan-tree-dump-not "-&x" "ivopts" } } */
-/* { dg-final { scan-tree-dump-not "offset: (4294967292|0x0f+fc)" "ivopts" { xfail i?86-*-* x86_64-*-* hppa*-*-* mips*-*-* } } } */
+/* { dg-final { scan-tree-dump-not "offset: (4294967292|0x0f+fc)" "ivopts" { xfail hppa*-*-* mips*-*-* } } } */
 /* { dg-final { scan-tree-dump-not "&x\\\[5\\\]" "ivopts" } } */
 /* { dg-final { cleanup-tree-dump "ivopts" } } */

gcc/testsuite/gcc.c-torture/execute/20050316-2.x

+# This testcase generates MMX instructions together with x87 instructions.
+# Currently, there is no "emms" generated to switch between register sets,
+# so the testcase fails for targets where MMX insns are enabled.
+
+if { [istarget "i?86-*-*"] || [istarget "x86_64-*-*"] } {
+	set additional_flags "-mno-mmx"
+}
+
+return 0

gcc/testsuite/gcc.dg/builtin-apply4.c

 /* PR tree-optimization/20076 */
 /* { dg-options "-O2" } */
+/* { dg-options "-O2 -mno-mmx" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } */
 /* { dg-do run } */
 
 extern void abort (void);

gcc/testsuite/gcc.target/i386/pr17390.c

@@ -7,4 +7,4 @@ double sgn (double __x)
   return __x == 0.0 ? 0.0 : (__x > 0.0 ? 1.0 : -1.0);
 }
 
-/* { dg-final { scan-assembler-times "fnstsw" 1 } } */
+/* { dg-final { scan-assembler-times "fcom|ftst" 1 } } */