From 1bc5aee63eb72b341f506ad058502cd0361f0d10 Mon Sep 17 00:00:00 2001 From: Ben Cheng Date: Tue, 25 Mar 2014 22:37:19 -0700 Subject: Initial checkin of GCC 4.9.0 from trunk (r208799). Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba --- .../gcc.target/i386/avx2-i32gatherd256-2.c | 41 ++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 gcc-4.9/gcc/testsuite/gcc.target/i386/avx2-i32gatherd256-2.c (limited to 'gcc-4.9/gcc/testsuite/gcc.target/i386/avx2-i32gatherd256-2.c') diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/avx2-i32gatherd256-2.c b/gcc-4.9/gcc/testsuite/gcc.target/i386/avx2-i32gatherd256-2.c new file mode 100644 index 000000000..e5bcbee1f --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/avx2-i32gatherd256-2.c @@ -0,0 +1,41 @@ +/* { dg-do run } */ +/* { dg-require-effective-target avx2 } */ +/* { dg-options "-O2 -mavx2" } */ + +#include +#include "avx2-check.h" + +static void +compute_i32gatherd256 (int *s1, int *s2, int scale, int *r) +{ + int i; + + for (i = 0; i < 8; ++i) + r[i] = *(int *) (((unsigned char *) s1) + s2[i] * scale); +} + +void static +avx2_test (void) +{ + int i; + union256i_d idx; + union256i_d res; + int s1[8], res_ref[8] = { 0 }; + + for (i = 0; i < 8; ++i) + { + /* Set some stuff */ + s1[i] = 1973 * (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_epi32 (s1, idx.x, 2); + + compute_i32gatherd256 (s1, idx.a, 2, res_ref); + + if (check_union256i_d (res, res_ref) != 0) + abort (); +} -- cgit v1.2.3