1/* { dg-do run } */ 2/* { dg-require-effective-target sse4 } */ 3/* { dg-options "-O2 -msse4.1" } */ 4 5#ifndef CHECK_H 6#define CHECK_H "sse4_1-check.h" 7#endif 8 9#ifndef TEST 10#define TEST sse4_1_test 11#endif 12 13#include CHECK_H 14 15#include <smmintrin.h> 16 17#define NUM 64 18 19static void 20TEST (void) 21{ 22 union 23 { 24 __m128i x[NUM/8]; 25 unsigned short s[NUM]; 26 } src; 27 unsigned short minVal[NUM/8]; 28 int minInd[NUM/8]; 29 unsigned short minValScalar, minIndScalar; 30 int i, j, res; 31 32 for (i = 0; i < NUM; i++) 33 src.s[i] = i * i / (i + i / 3.14 + 1.0); 34 35 for (i = 0, j = 0; i < NUM; i += 8, j++) 36 { 37 res = _mm_cvtsi128_si32 (_mm_minpos_epu16 (src.x [i/8])); 38 minVal[j] = res & 0xffff; 39 minInd[j] = (res >> 16) & 0x3; 40 } 41 42 for (i = 0; i < NUM; i += 8) 43 { 44 minValScalar = src.s[i]; 45 minIndScalar = 0; 46 47 for (j = i + 1; j < i + 8; j++) 48 if (minValScalar > src.s[j]) 49 { 50 minValScalar = src.s[j]; 51 minIndScalar = j - i; 52 } 53 54 if (minValScalar != minVal[i/8] && minIndScalar != minInd[i/8]) 55 abort (); 56 } 57} 58