2011-04-10 19:42:50 -04:00
|
|
|
/* 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. */
|
|
|
|
|
2011-04-27 20:27:14 -04:00
|
|
|
#if defined (__GNUC__)
|
|
|
|
|
2011-04-10 19:06:16 -04:00
|
|
|
#if !defined (_LONG_LONG_LIMB)
|
|
|
|
/* _LONG_LONG_LIMB is ABI=mode32 where adde operates on 32-bit values. So
|
|
|
|
use adde etc only when not _LONG_LONG_LIMB. */
|
|
|
|
#define add_ssaaaa(sh, sl, ah, al, bh, bl) \
|
|
|
|
do { \
|
|
|
|
if (__builtin_constant_p (bh) && (bh) == 0) \
|
|
|
|
__asm__ ("{a%I4|add%I4c} %1,%3,%4\n\t{aze|addze} %0,%2" \
|
|
|
|
: "=r" (sh), "=&r" (sl) : "r" (ah), "%r" (al), "rI" (bl));\
|
|
|
|
else if (__builtin_constant_p (bh) && (bh) == ~(UDItype) 0) \
|
|
|
|
__asm__ ("{a%I4|add%I4c} %1,%3,%4\n\t{ame|addme} %0,%2" \
|
|
|
|
: "=r" (sh), "=&r" (sl) : "r" (ah), "%r" (al), "rI" (bl));\
|
|
|
|
else \
|
|
|
|
__asm__ ("{a%I5|add%I5c} %1,%4,%5\n\t{ae|adde} %0,%2,%3" \
|
|
|
|
: "=r" (sh), "=&r" (sl) \
|
|
|
|
: "r" (ah), "r" (bh), "%r" (al), "rI" (bl)); \
|
|
|
|
} while (0)
|
|
|
|
#define sub_ddmmss(sh, sl, ah, al, bh, bl) \
|
|
|
|
do { \
|
|
|
|
if (__builtin_constant_p (ah) && (ah) == 0) \
|
|
|
|
__asm__ ("{sf%I3|subf%I3c} %1,%4,%3\n\t{sfze|subfze} %0,%2" \
|
|
|
|
: "=r" (sh), "=&r" (sl) : "r" (bh), "rI" (al), "r" (bl));\
|
|
|
|
else if (__builtin_constant_p (ah) && (ah) == ~(UDItype) 0) \
|
|
|
|
__asm__ ("{sf%I3|subf%I3c} %1,%4,%3\n\t{sfme|subfme} %0,%2" \
|
|
|
|
: "=r" (sh), "=&r" (sl) : "r" (bh), "rI" (al), "r" (bl));\
|
|
|
|
else if (__builtin_constant_p (bh) && (bh) == 0) \
|
|
|
|
__asm__ ("{sf%I3|subf%I3c} %1,%4,%3\n\t{ame|addme} %0,%2" \
|
|
|
|
: "=r" (sh), "=&r" (sl) : "r" (ah), "rI" (al), "r" (bl));\
|
|
|
|
else if (__builtin_constant_p (bh) && (bh) == ~(UDItype) 0) \
|
|
|
|
__asm__ ("{sf%I3|subf%I3c} %1,%4,%3\n\t{aze|addze} %0,%2" \
|
|
|
|
: "=r" (sh), "=&r" (sl) : "r" (ah), "rI" (al), "r" (bl));\
|
|
|
|
else \
|
|
|
|
__asm__ ("{sf%I4|subf%I4c} %1,%5,%4\n\t{sfe|subfe} %0,%3,%2" \
|
|
|
|
: "=r" (sh), "=&r" (sl) \
|
|
|
|
: "r" (ah), "r" (bh), "rI" (al), "r" (bl)); \
|
|
|
|
} while (0)
|
|
|
|
#endif /* ! _LONG_LONG_LIMB */
|
|
|
|
#define count_leading_zeros(count, x) \
|
|
|
|
__asm__ ("cntlzd %0,%1" : "=r" (count) : "r" (x))
|
|
|
|
#define COUNT_LEADING_ZEROS_0 64
|
|
|
|
#define umul_ppmm(ph, pl, m0, m1) \
|
|
|
|
do { \
|
|
|
|
UDItype __m0 = (m0), __m1 = (m1); \
|
|
|
|
__asm__ ("mulhdu %0,%1,%2" : "=r" (ph) : "%r" (m0), "r" (m1)); \
|
|
|
|
(pl) = __m0 * __m1; \
|
|
|
|
} while (0)
|
|
|
|
#define smul_ppmm(ph, pl, m0, m1) \
|
|
|
|
do { \
|
|
|
|
DItype __m0 = (m0), __m1 = (m1); \
|
|
|
|
__asm__ ("mulhd %0,%1,%2" : "=r" (ph) : "%r" (m0), "r" (m1)); \
|
|
|
|
(pl) = __m0 * __m1; \
|
|
|
|
} while (0)
|
2011-04-13 04:39:59 -04:00
|
|
|
|
2011-04-13 04:32:07 -04:00
|
|
|
|
2011-04-27 20:27:14 -04:00
|
|
|
#endif
|