addmul_1.asm
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上传日期:2022-08-06
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- dnl SPARC v8 mpn_addmul_1 -- Multiply a limb vector with a limb and
- dnl add the result to a second limb vector.
- dnl Copyright 1992, 1993, 1994, 1995, 2000 Free Software Foundation, Inc.
- dnl This file is part of the GNU MP Library.
- dnl The GNU MP Library is free software; you can redistribute it and/or modify
- dnl it under the terms of the GNU Lesser General Public License as published
- dnl by the Free Software Foundation; either version 3 of the License, or (at
- dnl your option) any later version.
- dnl The GNU MP Library is distributed in the hope that it will be useful, but
- dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
- dnl License for more details.
- dnl You should have received a copy of the GNU Lesser General Public License
- dnl along with the GNU MP Library. If not, see http://www.gnu.org/licenses/.
- include(`../config.m4')
- C INPUT PARAMETERS
- C res_ptr o0
- C s1_ptr o1
- C size o2
- C s2_limb o3
- ASM_START()
- PROLOGUE(mpn_addmul_1)
- orcc %g0,%g0,%g2
- ld [%o1+0],%o4 C 1
- sll %o2,4,%g1
- and %g1,(4-1)<<4,%g1
- ifdef(`PIC',
- ` mov %o7,%g4 C Save return address register
- 0: call 1f
- add %o7,L(1)-0b,%g3
- 1: mov %g4,%o7 C Restore return address register
- ',
- ` sethi %hi(L(1)),%g3
- or %g3,%lo(L(1)),%g3
- ')
- jmp %g3+%g1
- nop
- L(1):
- L(L00): add %o0,-4,%o0
- b L(loop00) C 4, 8, 12, ...
- add %o1,-4,%o1
- nop
- L(L01): b L(loop01) C 1, 5, 9, ...
- nop
- nop
- nop
- L(L10): add %o0,-12,%o0 C 2, 6, 10, ...
- b L(loop10)
- add %o1,4,%o1
- nop
- L(L11): add %o0,-8,%o0 C 3, 7, 11, ...
- b L(loop11)
- add %o1,-8,%o1
- nop
- L(loop):
- addcc %g3,%g2,%g3 C 1
- ld [%o1+4],%o4 C 2
- rd %y,%g2 C 1
- addx %g0,%g2,%g2
- ld [%o0+0],%g1 C 2
- addcc %g1,%g3,%g3
- st %g3,[%o0+0] C 1
- L(loop00):
- umul %o4,%o3,%g3 C 2
- ld [%o0+4],%g1 C 2
- addxcc %g3,%g2,%g3 C 2
- ld [%o1+8],%o4 C 3
- rd %y,%g2 C 2
- addx %g0,%g2,%g2
- nop
- addcc %g1,%g3,%g3
- st %g3,[%o0+4] C 2
- L(loop11):
- umul %o4,%o3,%g3 C 3
- addxcc %g3,%g2,%g3 C 3
- ld [%o1+12],%o4 C 4
- rd %y,%g2 C 3
- add %o1,16,%o1
- addx %g0,%g2,%g2
- ld [%o0+8],%g1 C 2
- addcc %g1,%g3,%g3
- st %g3,[%o0+8] C 3
- L(loop10):
- umul %o4,%o3,%g3 C 4
- addxcc %g3,%g2,%g3 C 4
- ld [%o1+0],%o4 C 1
- rd %y,%g2 C 4
- addx %g0,%g2,%g2
- ld [%o0+12],%g1 C 2
- addcc %g1,%g3,%g3
- st %g3,[%o0+12] C 4
- add %o0,16,%o0
- addx %g0,%g2,%g2
- L(loop01):
- addcc %o2,-4,%o2
- bg L(loop)
- umul %o4,%o3,%g3 C 1
- addcc %g3,%g2,%g3 C 4
- rd %y,%g2 C 4
- addx %g0,%g2,%g2
- ld [%o0+0],%g1 C 2
- addcc %g1,%g3,%g3
- st %g3,[%o0+0] C 4
- addx %g0,%g2,%o0
- retl
- nop
- EPILOGUE(mpn_addmul_1)