/* { 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 NUM 64 static void TEST (void) { union { __m128i x[NUM / 2]; long long ll[NUM]; } dst; union { __m128i x[NUM / 2]; int i[NUM * 2]; } src1, src2; int i, sign = 1; long long value; for (i = 0; i < NUM * 2; i += 2) { src1.i[i] = i * i * sign; src2.i[i] = (i + 20) * sign; sign = -sign; } for (i = 0; i < NUM; i += 2) dst.x[i / 2] = _mm_mul_epi32 (src1.x[i / 2], src2.x[i / 2]); for (i = 0; i < NUM; i++) { value = (long long) src1.i[i * 2] * (long long) src2.i[i * 2]; if (value != dst.ll[i]) abort (); } }