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added compiler version guards, '__scatter64_i64' is not implemented

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Anton Mitrokhin
2014-12-11 13:13:16 +04:00
parent 0ac7ed3c97
commit dc2e174d4f
1 changed files with 14 additions and 0 deletions
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14
examples/intrinsics/knc.h
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@@ -38,12 +38,21 @@
#include <unistd.h>
#include <algorithm>
#ifndef __INTEL_COMPILER
#error "Only Intel(R) C++ Compiler is supported"
#endif
#include <immintrin.h>
#include <zmmintrin.h>
#include <iostream> // for operator<<(m512[i])
#include <iomanip> // for operator<<(m512[i])
#if __INTEL_COMPILER < 1500
#warning "Your compiler version is outdated which can reduce performance in some cases. Please, update your compiler!"
#endif
#if 0
#define STRING(x) #x
#define TOSTRING(x) STRING(x)
@@ -3357,9 +3366,14 @@ static FORCEINLINE void __scatter64_i64(__vec16_i64 ptrs, __vec16_i64 val, __vec
hilo2zmm(ptrs, first8ptrs.v, second8ptrs.v);
__vec16_i32 first8vals, second8vals;
hilo2zmm(val, first8vals.v, second8vals.v);
#if __INTEL_COMPILER < 1500
#warning "__scatter64_i64 is not implemented!"
#else
_mm512_mask_i64extscatter_epi64 (0, mask, first8ptrs, first8vals, _MM_DOWNCONV_EPI64_NONE, 1, _MM_HINT_NONE);
const __mmask8 mask8 = 0x00FF & (mask >> 8);
_mm512_mask_i64extscatter_epi64 (0, mask8, second8ptrs, second8vals, _MM_DOWNCONV_EPI64_NONE, 1, _MM_HINT_NONE);
#endif
}