avx-os-support.h (XCR_XFEATURE_ENABLED_MASK): New.

	* gcc.target/i386/avx-os-support.h (XCR_XFEATURE_ENABLED_MASK): New.
	(XSTATE_FP): Ditto.
	(XSTATE_SSE): Ditto.
	(XSTATE_YMM): Ditto.
	(avx_os_support): Use new defines.

From-SVN: r188275

gcc/testsuite/ChangeLog

+2012-06-06  Uros Bizjak  <ubizjak@gmail.com>
+
+	* gcc.target/i386/avx-os-support.h (XCR_XFEATURE_ENABLED_MASK): New.
+	(XSTATE_FP): Ditto.
+	(XSTATE_SSE): Ditto.
+	(XSTATE_YMM): Ditto.
+	(avx_os_support): Use new defines.
+
 2012-06-06  Richard Guenther  <rguenther@suse.de>
 
 	PR testsuite/32380

gcc/testsuite/gcc.target/i386/avx-os-support.h

 /* Check if the OS supports executing AVX instructions.  */
 
+#define XCR_XFEATURE_ENABLED_MASK	0x0
+
+#define XSTATE_FP	0x1
+#define XSTATE_SSE	0x2
+#define XSTATE_YMM	0x4
+
 static int
 avx_os_support (void)
 {
   unsigned int eax, edx;
+  unsigned int ecx = XCR_XFEATURE_ENABLED_MASK;
+
+  __asm__ ("xgetbv" : "=a" (eax), "=d" (edx) : "c" (ecx));
 
-  __asm__ ("xgetbv" : "=a" (eax), "=d" (edx) : "c" (0));
-  return (eax & 6) == 6;
+  return (eax & (XSTATE_SSE | XSTATE_YMM)) == (XSTATE_SSE | XSTATE_YMM);
 }