i386.exp (check_effective_target_3dnow): Fix test code.

	* gcc.target/i386/i386.exp (check_effective_target_3dnow):
	Fix test code.
	(check_effective_target_xop): Remove __may_alias__ attribute.

From-SVN: r159621

gcc/ChangeLog

@@ -272,7 +272,7 @@
 	* configure.ac (HAVE_AS_IX86_REP_LOCK_PREFIX): New test.
 	* configure: Regenerate.
 	* config.in: Regenerate.
-	* config/i386/i386.c (print_operand) <case ;>: Also print ; if
+	* config/i386/i386.c (print_operand) <case ;>: Also print ";" if
 	!HAVE_AS_IX86_REP_LOCK_PREFIX.
 	Don't emit whitespace.
 	* config/i386/i386.md (*rep_movdi_rex64): Use {%;} after rep.

gcc/testsuite/ChangeLog

+2010-05-20  Uros Bizjak  <ubizjak@gmail.com>
+
+	* gcc.target/i386/i386.exp (check_effective_target_3dnow):
+	Fix test code.
+	(check_effective_target_xop): Remove __may_alias__ attribute.
+
 2010-05-20  Hans-Peter Nilsson  <hp@axis.com>
 
 	PR target/44202
@@ -62,13 +68,13 @@
 	* gcc.target/i386/3dnowA-2.c: Likewise.
 	* gcc.target/i386/pr42549.c: Likewise.
 
-	* gcc.target/i386/sse3-addsubpd.c: Use dg-require-effective-target sse3.
+	* gcc.target/i386/sse3-lddqu.c: Use dg-require-effective-target sse3. 
+	* gcc.target/i386/sse3-addsubpd.c: Likewise.
 	* gcc.target/i386/sse3-addsubps.c: Likewise.
 	* gcc.target/i386/sse3-haddpd.c: Likewise.
 	* gcc.target/i386/sse3-haddps.c: Likewise.
 	* gcc.target/i386/sse3-hsubpd.c: Likewise.
 	* gcc.target/i386/sse3-hsubps.c: Likewise.
-	* gcc.target/i386/sse3-lddqu.c: Likewise.
 	* gcc.target/i386/sse3-movddup.c: Likewise.
 	* gcc.target/i386/sse3-movshdup.c: Likewise.
 	* gcc.target/i386/sse3-movsldup.c: Likewise.
@@ -1542,7 +1548,7 @@
 	* obj-c++.dg/stubify-1.mm: Ditto.
 	* lib/objc-torture.exp: Do not require link success for
 	"trivial.m" in the runtime checks when dowhat = 'compile'.
-	* lib/dg-pch.exp: (dg-flags-pch): New Proc.
+	* lib/dg-pch.exp (dg-flags-pch): New Proc.
 	* objc.dg/stubify-1.m:  Restrict to ilp32 targets.  Require
 	Darwin8/OSX10.4 - compatible code generation.
 	* objc.dg/stubify-2.m: Ditto.

gcc/testsuite/gcc.target/i386/i386.exp

@@ -40,9 +40,12 @@ proc check_effective_target_ms_hook_prologue { } {
 # Return 1 if 3dnow instructions can be compiled.
 proc check_effective_target_3dnow { } {
     return [check_no_compiler_messages 3dnow object {
-	void _m_pfadd (void)
+	typedef int __m64 __attribute__ ((__vector_size__ (8)));
+	typedef float __v2sf __attribute__ ((__vector_size__ (8)));
+
+	__m64 _m_pfadd (__m64 __A, __m64 __B)
 	{
-	    __builtin_ia32_pfadd();
+	    return (__m64) __builtin_ia32_pfadd ((__v2sf)__A, (__v2sf)__B);
 	}
     } "-O2 -m3dnow" ]
 }
@@ -173,7 +176,7 @@ proc check_effective_target_fma4 { } {
 # Return 1 if xop instructions can be compiled.
 proc check_effective_target_xop { } {
     return [check_no_compiler_messages xop object {
-	typedef long long __m128i __attribute__ ((__vector_size__ (16), __may_alias__));
+	typedef long long __m128i __attribute__ ((__vector_size__ (16)));
 	typedef short __v8hi __attribute__ ((__vector_size__ (16)));
 	__m128i _mm_maccs_epi16(__m128i __A, __m128i __B, __m128i __C)
 	{