diff options
Diffstat (limited to 'gcc-4.8/gcc/testsuite/gcc.target/i386/fma4-256-nmsubXX.c')
-rw-r--r-- | gcc-4.8/gcc/testsuite/gcc.target/i386/fma4-256-nmsubXX.c | 95 |
1 files changed, 0 insertions, 95 deletions
diff --git a/gcc-4.8/gcc/testsuite/gcc.target/i386/fma4-256-nmsubXX.c b/gcc-4.8/gcc/testsuite/gcc.target/i386/fma4-256-nmsubXX.c deleted file mode 100644 index 3205715ef..000000000 --- a/gcc-4.8/gcc/testsuite/gcc.target/i386/fma4-256-nmsubXX.c +++ /dev/null @@ -1,95 +0,0 @@ -/* { dg-require-effective-target fma4 } */ -/* { dg-options "-O2 -mfma4" } */ - -#include "fma4-check.h" - -#include <x86intrin.h> -#include <string.h> - -#define NUM 20 - -union -{ - __m256 x[NUM]; - float f[NUM * 8]; - __m256d y[NUM]; - double d[NUM * 4]; -} dst, res, src1, src2, src3; - -/* Note that in macc*,msub*,mnmacc* and mnsub* instructions, the intermdediate - product is not rounded, only the addition is rounded. */ - -static void -init_nmsubps () -{ - int i; - for (i = 0; i < NUM * 8; i++) - { - src1.f[i] = i; - src2.f[i] = i + 10; - src3.f[i] = i + 20; - } -} - -static void -init_nmsubpd () -{ - int i; - for (i = 0; i < NUM * 4; i++) - { - src1.d[i] = i; - src2.d[i] = i + 10; - src3.d[i] = i + 20; - } -} - -static int -check_nmsubps () -{ - int i, j, check_fails = 0; - for (i = 0; i < NUM * 8; i = i + 8) - for (j = 0; j < 8; j++) - { - res.f[i + j] = - (src1.f[i + j] * src2.f[i + j]) - src3.f[i + j]; - if (dst.f[i + j] != res.f[i + j]) - check_fails++; - } - return check_fails++; -} - -static int -check_nmsubpd () -{ - int i, j, check_fails = 0; - for (i = 0; i < NUM * 4; i = i + 4) - for (j = 0; j < 4; j++) - { - res.d[i + j] = - (src1.d[i + j] * src2.d[i + j]) - src3.d[i + j]; - if (dst.d[i + j] != res.d[i + j]) - check_fails++; - } - return check_fails++; -} - -static void -fma4_test (void) -{ - int i; - - init_nmsubps (); - - for (i = 0; i < NUM; i++) - dst.x[i] = _mm256_nmsub_ps (src1.x[i], src2.x[i], src3.x[i]); - - if (check_nmsubps (&dst.x[i], &src1.f[i * 4], &src2.f[i * 4], &src3.f[i * 4])) - abort (); - - init_nmsubpd (); - - for (i = 0; i < NUM; i++) - dst.y[i] = _mm256_nmsub_pd (src1.y[i], src2.y[i], src3.y[i]); - - if (check_nmsubpd (&dst.y[i], &src1.d[i * 2], &src2.d[i * 2], &src3.d[i * 2])) - abort (); - -} |