[ARM] Fix check for __FAST_MATH in arm_neon.h

	* config/arm/arm_neon.h (vadd_f32): Change #ifdef to __FAST_MATH.

From-SVN: r211779

gcc/ChangeLog

+2014-06-18  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
+
+	* config/arm/arm_neon.h (vadd_f32): Change #ifdef to __FAST_MATH.
+
 2014-06-18  Thomas Preud'homme  <thomas.preudhomme@arm.com>
 
 	PR tree-optimization/61517

gcc/config/arm/arm_neon.h

@@ -474,7 +474,7 @@ vadd_s32 (int32x2_t __a, int32x2_t __b)
 __extension__ static __inline float32x2_t __attribute__ ((__always_inline__))
 vadd_f32 (float32x2_t __a, float32x2_t __b)
 {
-#ifdef __FAST_MATH__
+#ifdef __FAST_MATH
   return __a + __b;
 #else
   return (float32x2_t) __builtin_neon_vaddv2sf (__a, __b, 3);