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deleted useless __abs_i32i64() used in knc.h

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Andrey Shishpanov
2015-11-19 18:18:28 +03:00
parent d4ebb3544d
commit 5884e7c3f1
1 changed files with 0 additions and 13 deletions
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13
examples/intrinsics/knl.h
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@@ -893,19 +893,6 @@ static FORCEINLINE __vec16_i64 __mul(const __vec16_i32 &a, const __vec16_i64 &b)
_mm512_mulhi_epi32(a.v, b.v_lo)));
}
*/
static FORCEINLINE void __abs_i32i64(__m512i &_hi, __m512i &_lo)
{
/* abs(x) :
* mask = x >> 64; // sign bits
* abs(x) = (x^mask) - mask
*/
const __vec16_i32 mask = __ashr(_hi, __ispc_thirty_two);
__vec16_i32 hi = __xor(_hi, mask);
__vec16_i32 lo = __xor(_lo, mask);
__mmask16 borrow = 0;
_lo = _mm512_subsetb_epi32(lo, mask, &borrow);
_hi = _mm512_sbb_epi32 (hi, borrow, mask, &borrow);
}
static FORCEINLINE __vec16_i64 __mul(__vec16_i64 a, __vec16_i64 b)
{