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fixed 64-bit __ashr intrinsic

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This commit is contained in:
Anton Mitrokhin
2015-02-03 14:47:37 +03:00
parent ec2fc0cf0b
commit 85578f0462
2 changed files with 2 additions and 10 deletions
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4
examples/intrinsics/knc.h
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@@ -1006,8 +1006,8 @@ static FORCEINLINE __vec16_i64 __ashr(__vec16_i64 a, __vec16_i64 b) {
}
static FORCEINLINE __vec16_i64 __ashr(__vec16_i64 a, unsigned long long b) {
__vec16_i32 xfer;
if (b <= 32) xfer = _mm512_slli_epi32(_mm512_and_epi32(a.v_hi, _mm512_set1_epi32((1<<b)-1)), 32-b);
__vec16_i32 xfer;
if (b < 32) xfer = _mm512_slli_epi32(_mm512_and_epi32(a.v_hi, _mm512_set1_epi32((1<<b)-1)), 32-b);
else xfer = _mm512_srai_epi32(a.v_hi, b-32);
__vec16_i32 hi = _mm512_srai_epi32(a.v_hi, b);
__vec16_i32 lo = _mm512_or_epi32(xfer, _mm512_srli_epi32(a.v_lo, b));