/* { dg-do run } */ /* { dg-require-effective-target sse4 } */ /* { dg-options "-O2 -msse4.1" } */ #ifndef CHECK_H #define CHECK_H "sse4_1-check.h" #endif #ifndef TEST #define TEST sse4_1_test #endif #include CHECK_H #include #define lmskN 0x00 #define lmsk0 0x01 #define lmsk1 0x02 #define lmsk01 0x03 #define hmskA 0x30 #define hmsk0 0x10 #define hmsk1 0x20 #define hmsk01 0x30 #define hmskN 0x00 #ifndef HIMASK #define HIMASK hmskA #endif static void TEST (void) { union { __m128d x; double d[2]; } val1, val2, res[4]; int masks[4]; int i, j; val1.d[0] = 2.; val1.d[1] = 3.; val2.d[0] = 10.; val2.d[1] = 100.; res[0].x = _mm_dp_pd (val1.x, val2.x, HIMASK | lmskN); res[1].x = _mm_dp_pd (val1.x, val2.x, HIMASK | lmsk0); res[2].x = _mm_dp_pd (val1.x, val2.x, HIMASK | lmsk1); res[3].x = _mm_dp_pd (val1.x, val2.x, HIMASK | lmsk01); masks[0] = HIMASK | lmskN; masks[1] = HIMASK | lmsk0; masks[2] = HIMASK | lmsk1; masks[3] = HIMASK | lmsk01; for (i = 0; i < 4; i++) { double tmp = 0.; for (j = 0; j < 2; j++) if (HIMASK & (0x10 << j)) tmp = tmp + (val1.d[j] * val2.d[j]); for (j = 0; j < 2; j++) if ((masks[i] & (1 << j)) && res[i].d[j] != tmp) abort (); } }