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Diffstat (limited to 'gcc/testsuite/gcc.target/i386/sse-2.c')
-rw-r--r--gcc/testsuite/gcc.target/i386/sse-2.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/sse-2.c b/gcc/testsuite/gcc.target/i386/sse-2.c
new file mode 100644
index 00000000000..cbaa5e6a30d
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/sse-2.c
@@ -0,0 +1,16 @@
+/* { 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;
+}