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* longlong.h: Added PowerPC 64 bit code from GPM-4.1.2 but didn't

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enabled it yet.
This commit is contained in:
Werner Koch 2003-10-21 12:54:13 +00:00
parent cc1e739560
commit 5c5c4b51ba
2 changed files with 66 additions and 4 deletions
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5
mpi/ChangeLog
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@ -1,3 +1,8 @@
2003-10-20 Werner Koch <wk@gnupg.org>
* longlong.h: Added PowerPC 64 bit code from GPM-4.1.2 but didn't
enabled it yet.
2003-05-21 David Shaw <dshaw@jabberwocky.com>
* mpicoder.c, mpi-inline.h, mpi-inv.c, mpiutil.c, mpih-div.c,

65
mpi/longlong.h
View File

@ -5,16 +5,16 @@ Copyright (C) 1991, 1992, 1993, 1994, 1996, 1998,
2000, 2001, 2002, 2003 Free Software Foundation, Inc.
This file is free software; you can redistribute it and/or modify
it under the terms of the GNU Library General Public License as published by
the Free Software Foundation; either version 2 of the License, or (at your
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 Library General Public
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 Library General Public License
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., 59 Temple Place - Suite 330, Boston,
MA 02111-1307, USA. */
@ -921,6 +921,63 @@ extern USItype __udiv_qrnnd ();
#endif
#endif /* Power architecture variants. */
/* Powerpc 64 bit support taken from gmp-4.1.2. */
/* We should test _IBMR2 here when we add assembly support for the system
vendor compilers. */
#if 0 /* Not yet enabled becuase we don't have hardware for a test. */
#if (defined (_ARCH_PPC) || defined (__powerpc__)) && W_TYPE_SIZE == 64
#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)
#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 UMUL_TIME 15
#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)
#define SMUL_TIME 14 /* ??? */
#define UDIV_TIME 120 /* ??? */
#endif /* 64-bit PowerPC. */
#endif /* if 0 */
/***************************************
************** PYR ******************