From 5884e7c3f14ce9dcdd145265647ddcd731fa8ac1 Mon Sep 17 00:00:00 2001 From: Andrey Shishpanov Date: Thu, 19 Nov 2015 18:18:28 +0300 Subject: [PATCH] deleted useless __abs_i32i64() used in knc.h --- examples/intrinsics/knl.h | 13 ------------- 1 file changed, 13 deletions(-) diff --git a/examples/intrinsics/knl.h b/examples/intrinsics/knl.h index c0ed80ea..91db15a7 100644 --- a/examples/intrinsics/knl.h +++ b/examples/intrinsics/knl.h @@ -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) {