diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.target/i386/avx2-vphaddsw-2.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.target/i386/avx2-vphaddsw-2.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/avx2-vphaddsw-2.c b/gcc-4.9/gcc/testsuite/gcc.target/i386/avx2-vphaddsw-2.c new file mode 100644 index 000000000..371984776 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/avx2-vphaddsw-2.c @@ -0,0 +1,61 @@ +/* { dg-do run } */ +/* { dg-options "-mavx2 -O2" } */ +/* { dg-require-effective-target avx2 } */ + +#include "avx2-check.h" +#include "ssse3-vals.h" + +static short +signed_saturate_to_word (int x) +{ + if (x > (int) 0x7fff) + return 0x7fff; + + if (x < (int) 0xffff8000) + return 0x8000; + + return (short) x; +} + +static void +compute_phaddsw256 (short *i1, short *i2, short *r) +{ + int i; + + for (i = 0; i < 4; i++) + r[i + 0] = signed_saturate_to_word (i1[2 * i] + i1[2 * i + 1]); + + for (i = 0; i < 4; i++) + r[i + 4] = signed_saturate_to_word (i2[2 * i] + i2[2 * i + 1]); + + for (i = 0; i < 4; i++) + r[i + 8] = signed_saturate_to_word (i1[2 * i + 8] + i1[2 * i + 9]); + + for (i = 0; i < 4; i++) + r[i + 12] = signed_saturate_to_word (i2[2 * i + 8] + i2[2 * i + 9]); +} + +static void +avx2_test (void) +{ + union256i_w s1, s2, res; + short res_ref[16]; + int i, j; + int fail = 0; + + + for (i = 0; i < 256; i += 16) + { + s1.x = _mm256_loadu_si256 ((__m256i *) & vals[i]); + s2.x = _mm256_loadu_si256 ((__m256i *) & vals[i + 8]); + + res.x = _mm256_hadds_epi16 (s1.x, s2.x); + + compute_phaddsw256 (s1.a, s2.a, res_ref); + + fail += check_union256i_w (res, res_ref); + } + + if (fail != 0) + abort (); +} |