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add gather_base_offsets32_i16

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Anton Mitrokhin
2014-12-24 17:51:39 +03:00
parent 1476d45536
commit cd53e6abed
1 changed files with 13 additions and 0 deletions
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13
examples/intrinsics/knc.h
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@@ -3140,6 +3140,19 @@ __gather_base_offsets32_i8(uint8_t *base, uint32_t scale, __vec16_i32 offsets,
return ret; return ret;
} }
static FORCEINLINE __vec16_i16
__gather_base_offsets32_i16(uint8_t *base, uint32_t scale, __vec16_i32 offsets,
__vec16_i1 mask) {
// (iw): need to temporarily store as int because gathers can only return ints.
__vec16_i32 tmp = _mm512_mask_i32extgather_epi32(_mm512_undefined_epi32(), mask, offsets, base,
_MM_UPCONV_EPI32_SINT16, scale,
_MM_HINT_NONE);
// now, downconverting to chars into temporary char vector
__vec16_i16 ret;
_mm512_extstore_epi32(ret.v,tmp,_MM_DOWNCONV_EPI32_SINT16,_MM_HINT_NONE);
return ret;
}
static FORCEINLINE __vec16_i32 static FORCEINLINE __vec16_i32
__gather_base_offsets32_i32(uint8_t *base, uint32_t scale, __vec16_i32 offsets, __gather_base_offsets32_i32(uint8_t *base, uint32_t scale, __vec16_i32 offsets,
__vec16_i1 mask) { __vec16_i1 mask) {