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1999-10-11 Ulrich Drepper <drepper@cygnus.com> * sysdeps/powerpc/Makefile [math] (libm-support): Remove t_sqrt. * sysdeps/powerpc/e_sqrt.c: Moved to... * sysdeps/powerpc/fpu/e_sqrt.c: ...here. * sysdeps/powerpc/e_sqrtf.c: Moved to... * sysdeps/powerpc/fpu/e_sqrtf.c: ...here. * sysdeps/powerpc/submul_1.S: Adjust asm syntax. * sysdeps/powerpc/sub_n.S: Likewise. * sysdeps/powerpc/strlen.S: Likewise. * sysdeps/powerpc/strcpy.S: Likewise. * sysdeps/powerpc/strcmp.S: Likewise. * sysdeps/powerpc/strchr.S: Likewise. * sysdeps/powerpc/stpcpy.S: Likewise. * sysdeps/powerpc/setjmp.S: Likewise. * sysdeps/powerpc/rshift.S: Likewise. * sysdeps/powerpc/ppc-mcount.S: Likewise. * sysdeps/powerpc/mul_1.S: Likewise. * sysdeps/powerpc/memset.S: Likewise. * sysdeps/powerpc/lshift.S: Likewise. * sysdeps/powerpc/dl-start.S: Likewise. * sysdeps/powerpc/bzero.S: Likewise. * sysdeps/powerpc/bsd-setjmp.S: Likewise. * sysdeps/powerpc/bsd-_setjmp.S: Likewise. * sysdeps/powerpc/addmul_1.S: Likewise. * sysdeps/powerpc/add_n.S: Likewise. * sysdeps/powerpc/__longjmp.S: Likewise. * sysdeps/powerpc/elf/start.S: Likewise. 1999-10-11 Cristian Gafton <gafton@redhat.com> * sysdeps/unix/sysv/linux/alpha/bits/sigaction.h: Declare
47 lines
1.4 KiB
ArmAsm
47 lines
1.4 KiB
ArmAsm
/* Multiply a limb vector by a limb, for PowerPC.
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Copyright (C) 1993, 1994, 1995, 1997, 1999 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <sysdep.h>
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/* mp_limb_t mpn_mul_1 (mp_ptr res_ptr, mp_srcptr s1_ptr,
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mp_size_t s1_size, mp_limb_t s2_limb)
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Calculate s1*s2 and put result in res_ptr; return carry. */
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ENTRY(__mpn_mul_1)
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mtctr r5
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lwz r0,0(r4)
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mullw r7,r0,r6
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mulhwu r10,r0,r6
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addi r3,r3,-4 # adjust res_ptr
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addic r5,r5,0 # clear cy with dummy insn
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bdz 1f
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0: lwzu r0,4(r4)
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stwu r7,4(r3)
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mullw r8,r0,r6
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adde r7,r8,r10
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mulhwu r10,r0,r6
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bdnz 0b
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1: stw r7,4(r3)
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addze r3,r10
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blr
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END(__mpn_mul_1)
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