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author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
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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/avx2-i32gatherps256-2.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/avx2-i32gatherps256-2.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.target/i386/avx2-i32gatherps256-2.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/avx2-i32gatherps256-2.c b/gcc-4.9/gcc/testsuite/gcc.target/i386/avx2-i32gatherps256-2.c new file mode 100644 index 000000000..654c6f676 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/avx2-i32gatherps256-2.c @@ -0,0 +1,41 @@ +/* { dg-do run } */ +/* { dg-require-effective-target avx2 } */ +/* { dg-options "-O2 -mavx2" } */ + +#include <string.h> +#include "avx2-check.h" + +static void +compute_i32gatherps256 (float *s1, int *s2, int scale, float *r) +{ + int i; + + for (i = 0; i < 8; ++i) + r[i] = *(float *) (((unsigned char *) s1) + s2[i] * scale); +} + +void static +avx2_test (void) +{ + int i; + union256i_d idx; + union256 res; + float s1[8], res_ref[8] = { 0 }; + + for (i = 0; i < 8; ++i) + { + /* Set some stuff */ + s1[i] = 2.718281828459045 * (i + 1) * (i + 2); + + /* About to gather in reverse order, + divide by 2 to demonstrate scale */ + idx.a[i] = (32 - (i + 1) * 4) >> 1; + } + + res.x = _mm256_i32gather_ps (s1, idx.x, 2); + + compute_i32gatherps256 (s1, idx.a, 2, res_ref); + + if (check_union256 (res, res_ref) != 0) + abort (); +} |