mpir/mpn/x86_64w/longlong_inc.h

#ifdef _MSC_VER
#  include <intrin.h>

#define COUNT_LEADING_ZEROS_NEED_CLZ_TAB

#  if defined( _WIN64 )

#    pragma intrinsic(_BitScanForward64)
#    pragma intrinsic(_BitScanReverse64)
#    pragma intrinsic(_umul128)
#    pragma intrinsic(_byteswap_uint64)

#    define count_leading_zeros(c,x)        \
      do { unsigned long _z;		    	\
        ASSERT ((x) != 0);                  \
        _BitScanReverse64(&_z, (x));        \
        c = 63 - _z;                        \
      } while (0)
#    define count_trailing_zeros(c,x)       \
      do { unsigned long _z;		    	\
        ASSERT ((x) != 0);                  \
        _BitScanForward64(&_z, (x));        \
		c = _z;								\
      } while (0)
#    define umul_ppmm(xh, xl, m0, m1)       \
      do {                                  \
        xl = _umul128( (m0), (m1), &xh);    \
      } while (0)

#    if !defined( BSWAP_LIMB )
#      define BSWAP_LIMB
#      define BSWAP_LIMB(dst, src)  dst = _byteswap_uint64(src)
#    endif

#  endif    /* _WIN64 */

#endif      /* _MSC_VER */

/* We need to put the the gcc inline asm for MinGW64 here as well */

/* longlong.h -- definitions for mixed size 32/64 bit arithmetic.

Copyright 1991, 1992, 1993, 1994, 1996, 1997, 1999, 2000, 2001, 2002, 2003,
2004, 2005 Free Software Foundation, Inc.

This file is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or (at your
option) any later version.

This file is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
License for more details.

You should have received a copy of the GNU Lesser General Public License
along with this file; see the file COPYING.LIB.  If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA. */

#if defined (__GNUC__) || defined(INTEL_COMPILER)

#define add_ssaaaa(sh, sl, ah, al, bh, bl) \
  __asm__ ("addq %5,%q1\n\tadcq %3,%q0"					\
	   : "=r" (sh), "=&r" (sl)					\
	   : "0"  ((UDItype)(ah)), "rme" ((UDItype)(bh)),		\
	     "%1" ((UDItype)(al)), "rme" ((UDItype)(bl)))
#define sub_ddmmss(sh, sl, ah, al, bh, bl) \
  __asm__ ("subq %5,%q1\n\tsbbq %3,%q0"					\
	   : "=r" (sh), "=&r" (sl)					\
	   : "0" ((UDItype)(ah)), "rme" ((UDItype)(bh)),		\
	     "1" ((UDItype)(al)), "rme" ((UDItype)(bl)))
#define umul_ppmm(w1, w0, u, v) \
  __asm__ ("mulq %3"							\
	   : "=a" (w0), "=d" (w1)					\
	   : "%0" ((UDItype)(u)), "rm" ((UDItype)(v)))
#define udiv_qrnnd(q, r, n1, n0, dx) /* d renamed to dx avoiding "=d" */\
  __asm__ ("divq %4"		     /* stringification in K&R C */	\
	   : "=a" (q), "=d" (r)						\
	   : "0" ((UDItype)(n0)), "1" ((UDItype)(n1)), "rm" ((UDItype)(dx)))
/* bsrq destination must be a 64-bit register, hence UDItype for __cbtmp. */
#define count_leading_zeros(count, x)					\
  do {									\
    UDItype __cbtmp;							\
    ASSERT ((x) != 0);							\
    __asm__ ("bsrq %1,%0" : "=r" (__cbtmp) : "rm" ((UDItype)(x)));	\
    (count) = __cbtmp ^ 63;						\
  } while (0)
/* bsfq destination must be a 64-bit register, "%q0" forces this in case
   count is only an int. */
#define count_trailing_zeros(count, x)					\
  do {									\
    ASSERT ((x) != 0);							\
    __asm__ ("bsfq %1,%q0" : "=r" (count) : "rm" ((UDItype)(x)));	\
  } while (0)

#if !defined(BSWAP_LIMB)
#define BSWAP_LIMB
#define BSWAP_LIMB(dst, src)	\
  do {							\
    __asm__ ("bswap %q0" : "=r" (dst) : "0" (src));	\
  } while (0)
#endif

#endif