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author | David E. O'Brien <obrien@FreeBSD.org> | 2000-04-17 18:45:32 +0000 |
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committer | David E. O'Brien <obrien@FreeBSD.org> | 2000-04-17 18:45:32 +0000 |
commit | 234ae001c1d5994850e53ce13936d78cebbb1e91 (patch) | |
tree | ecdf8531ad03fcdfbadbece127fa5cf3defe93a1 /contrib/libgmp/mpn/sparc64/addmul_1.s | |
parent | 755610de29b5e6c6c72cacea607820c364d22873 (diff) | |
download | src-234ae001c1d5994850e53ce13936d78cebbb1e91.tar.gz src-234ae001c1d5994850e53ce13936d78cebbb1e91.zip |
Clean import the of libgmp 2.0.2 sparc bits.vendor/libgmp/2.0.2vendor/libgmp
Notes
Notes:
svn path=/vendor/libgmp/dist/; revision=59325
svn path=/vendor/libgmp/2.0.2/; revision=59327; tag=vendor/libgmp/2.0.2
Diffstat (limited to 'contrib/libgmp/mpn/sparc64/addmul_1.s')
-rw-r--r-- | contrib/libgmp/mpn/sparc64/addmul_1.s | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/contrib/libgmp/mpn/sparc64/addmul_1.s b/contrib/libgmp/mpn/sparc64/addmul_1.s new file mode 100644 index 000000000000..8d86390808df --- /dev/null +++ b/contrib/libgmp/mpn/sparc64/addmul_1.s @@ -0,0 +1,89 @@ +! SPARC v9 __mpn_addmul_1 -- Multiply a limb vector with a single limb and +! add the product to a second limb vector. + +! Copyright (C) 1996 Free Software Foundation, Inc. + +! This file is part of the GNU MP Library. + +! The GNU MP Library 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 +! option) any later version. + +! The GNU MP Library 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 +! License for more details. + +! You should have received a copy of the GNU Library General Public License +! along with the GNU MP Library; see the file COPYING.LIB. If not, write to +! the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +! MA 02111-1307, USA. + + +! INPUT PARAMETERS +! res_ptr o0 +! s1_ptr o1 +! size o2 +! s2_limb o3 + +.section ".text" + .align 4 + .global __mpn_addmul_1 + .type __mpn_addmul_1,#function + .proc 016 +__mpn_addmul_1: + !#PROLOGUE# 0 + save %sp,-160,%sp + !#PROLOGUE# 1 + sub %g0,%i2,%o7 + sllx %o7,3,%g5 + sub %i1,%g5,%o3 + sub %i0,%g5,%o4 + mov 0,%o0 ! zero cy_limb + + srl %i3,0,%o1 ! extract low 32 bits of s2_limb + srlx %i3,32,%i3 ! extract high 32 bits of s2_limb + mov 1,%o2 + sllx %o2,32,%o2 ! o2 = 0x100000000 + + ! hi ! + ! mid-1 ! + ! mid-2 ! + ! lo ! +.Loop: + sllx %o7,3,%g1 + ldx [%o3+%g1],%g5 + srl %g5,0,%i0 ! zero hi bits + srlx %g5,32,%g5 + mulx %o1,%i0,%i4 ! lo product + mulx %i3,%i0,%i1 ! mid-1 product + mulx %o1,%g5,%l2 ! mid-2 product + mulx %i3,%g5,%i5 ! hi product + srlx %i4,32,%i0 ! extract high 32 bits of lo product... + add %i1,%i0,%i1 ! ...and add it to the mid-1 product + addcc %i1,%l2,%i1 ! add mid products + mov 0,%l0 ! we need the carry from that add... + movcs %xcc,%o2,%l0 ! ...compute it and... + add %i5,%l0,%i5 ! ...add to bit 32 of the hi product + sllx %i1,32,%i0 ! align low bits of mid product + srl %i4,0,%g5 ! zero high 32 bits of lo product + add %i0,%g5,%i0 ! combine into low 64 bits of result + srlx %i1,32,%i1 ! extract high bits of mid product... + add %i5,%i1,%i1 ! ...and add them to the high result + addcc %i0,%o0,%i0 ! add cy_limb to low 64 bits of result + mov 0,%g5 + movcs %xcc,1,%g5 + add %o7,1,%o7 + ldx [%o4+%g1],%l1 + addcc %l1,%i0,%i0 + movcs %xcc,1,%g5 + stx %i0,[%o4+%g1] + brnz %o7,.Loop + add %i1,%g5,%o0 ! compute new cy_limb + + mov %o0,%i0 + ret + restore +.LLfe1: + .size __mpn_addmul_1,.LLfe1-__mpn_addmul_1 |