sse-2.c: New.

2005-03-21  Stuart Hastings  <stuart@apple.com>

	* gcc.target/i386/sse-2.c: New.

From-SVN: r96820

gcc/testsuite/ChangeLog

+2005-03-21  Stuart Hastings  <stuart@apple.com>
+
+	* gcc.target/i386/sse-2.c: New.
+	
 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
 
 	* gcc.dg/builtins-46.c: Also check lrint* and llrint*.

gcc/testsuite/gcc.target/i386/sse-2.c

+/* { dg-do compile } */
+/* { dg-options "-O3 -msse" } */
+#include <xmmintrin.h>
+static const __m128 v_sign = {-.0f, -.0f, -.0f, -.0f};
+static const __m128 v_half = {0.5f, 0.5f, 0.5f, 0.5f};
+static const __m128 v_one  = {1.0f, 1.0f, 1.0f, 1.0f};
+static inline __m128 insn_ABS (__m128 a)
+{
+  return _mm_andnot_ps (v_sign, a);
+}
+__m128 voodoo (__m128 a)
+{
+  __m128 x = insn_ABS (a), y = _mm_rsqrt_ps (x);
+  y = _mm_add_ps (_mm_mul_ps (_mm_sub_ps (_mm_setzero_ps(), _mm_sub_ps (_mm_mul_ps (x, _mm_add_ps (_mm_mul_ps (y, y), _mm_setzero_ps())), v_one)), _mm_add_ps (_mm_mul_ps (y, v_half), _mm_setzero_ps())), y);
+  return y;
+}