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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.target/] [i386/] [sse4_1-phminposuw.c] - Rev 328
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/* { 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 <smmintrin.h> #define NUM 64 static void TEST (void) { union { __m128i x[NUM/8]; unsigned short s[NUM]; } src; unsigned short minVal[NUM/8]; int minInd[NUM/8]; unsigned short minValScalar, minIndScalar; int i, j, res; for (i = 0; i < NUM; i++) src.s[i] = i * i / (i + i / 3.14 + 1.0); for (i = 0, j = 0; i < NUM; i += 8, j++) { res = _mm_cvtsi128_si32 (_mm_minpos_epu16 (src.x [i/8])); minVal[j] = res & 0xffff; minInd[j] = (res >> 16) & 0x3; } for (i = 0; i < NUM; i += 8) { minValScalar = src.s[i]; minIndScalar = 0; for (j = i + 1; j < i + 8; j++) if (minValScalar > src.s[j]) { minValScalar = src.s[j]; minIndScalar = j - i; } if (minValScalar != minVal[i/8] && minIndScalar != minInd[i/8]) abort (); } }
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