/* { dg-do run } */ /* { dg-require-effective-target sse5 } */ /* { dg-options "-O2 -msse5" } */ #include "sse5-check.h" #include #include #define NUM 20 union { __m128 x[NUM]; float f[NUM * 4]; __m128d y[NUM]; double d[NUM * 2]; } 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_maccps () { int i; for (i = 0; i < NUM * 4; i++) { src1.f[i] = i; src2.f[i] = i + 10; src3.f[i] = i + 20; } } static void init_maccpd () { 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_maccps () { int i, j, check_fails = 0; for (i = 0; i < NUM * 4; i = i + 4) for (j = 0; j < 4; 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_maccpd () { int i, j, check_fails = 0; for (i = 0; i < NUM * 2; i = i + 2) for (j = 0; j < 2; 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 int check_maccss () { int i, j, check_fails = 0; for (i = 0; i < NUM * 4; i= i + 4) { res.f[i] = (src1.f[i] * src2.f[i]) + src3.f[i]; if (dst.f[i] != res.f[i]) check_fails++; } return check_fails++; } static int check_maccsd () { int i, j, check_fails = 0; for (i = 0; i < NUM * 2; i = i + 2) { res.d[i] = (src1.d[i] * src2.d[i]) + src3.d[i]; if (dst.d[i] != res.d[i]) check_fails++; } return check_fails++; } static void sse5_test (void) { int i; /* Check maccps */ init_maccps (); for (i = 0; i < NUM; i++) dst.x[i] = _mm_macc_ps (src1.x[i], src2.x[i], src3.x[i]); if (check_maccps ()) abort (); /* check maccss */ for (i = 0; i < NUM; i++) dst.x[i] = _mm_macc_ss (src1.x[i], src2.x[i], src3.x[i]); if (check_maccss ()) abort (); /* Check maccpd */ init_maccpd (); for (i = 0; i < NUM; i++) dst.y[i] = _mm_macc_pd (src1.y[i], src2.y[i], src3.y[i]); if (check_maccpd ()) abort (); /* Check maccps */ for (i = 0; i < NUM; i++) dst.y[i] = _mm_macc_sd (src1.y[i], src2.y[i], src3.y[i]); if (check_maccsd ()) abort (); }