1/*- 2 * Copyright 2013 John-Mark Gurney 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 * 28 */ 29 30#ifndef _WMMINTRIN_PCLMUL_H_ 31#define _WMMINTRIN_PCLMUL_H_ 32 33#include <emmintrin.h> 34 35/* 36 * c selects which parts of a and b to multiple: 37 * 0x00: a[ 63: 0] * b[ 63: 0] 38 * 0x01: a[127:64] * b[ 63: 0] 39 * 0x10: a[ 63: 0] * b[127:64] 40 * 0x11: a[127:64] * b[127:64] 41 */ 42#define _mm_clmulepi64_si128(a, b, c) \ 43({ \ 44 __m128i _a = (a); \ 45 __m128i _b = (b); \ 46 \ 47 __asm__("pclmulqdq %3, %2, %0": "=x" (_a): "0" (_a), "xm" (_b), \ 48 "i" (c)); \ 49 \ 50 _a; \ 51}) 52 53#endif /* _WMMINTRIN_PCLMUL_H_ */ 54