freebsd-skq/gnu/usr.bin/cc/include/__wmmintrin_pclmul.h
John-Mark Gurney 003f0fa63f add support to gcc for AES and PCLMUL intrinsics... This addes the
-maes option, but not the -mpclmul option as I ran out of bits in
the 32 bit flags field...  You can -D__PCLMUL__ to get this, but it
won't be compatible w/ clang and modern gcc...

Reviewed by:	-current, -toolchain
2013-09-03 17:33:29 +00:00

54 lines
1.9 KiB
C

/*-
* Copyright 2013 John-Mark Gurney
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*
*/
#ifndef _WMMINTRIN_PCLMUL_H_
#define _WMMINTRIN_PCLMUL_H_
#include <emmintrin.h>
/*
* c selects which parts of a and b to multiple:
* 0x00: a[ 63: 0] * b[ 63: 0]
* 0x01: a[127:64] * b[ 63: 0]
* 0x10: a[ 63: 0] * b[127:64]
* 0x11: a[127:64] * b[127:64]
*/
#define _mm_clmulepi64_si128(a, b, c) \
({ \
__m128i _a = (a); \
__m128i _b = (b); \
\
__asm__("pclmulqdq %3, %2, %0": "=x" (_a): "0" (_a), "xm" (_b), \
"i" (c)); \
\
_a; \
})
#endif /* _WMMINTRIN_PCLMUL_H_ */