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| author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
|---|---|---|
| committer | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
| commit | 1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch) | |
| tree | c607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/gcc.target/i386/sse-2.c | |
| parent | 283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff) | |
| download | toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2 toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip | |
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.target/i386/sse-2.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.target/i386/sse-2.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/sse-2.c b/gcc-4.9/gcc/testsuite/gcc.target/i386/sse-2.c new file mode 100644 index 000000000..c2f3e0b17 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/sse-2.c @@ -0,0 +1,17 @@ +/* { 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; +} |