diff options
Diffstat (limited to 'sysdeps/sparc/sparc32/mul_1.S')
| -rw-r--r-- | sysdeps/sparc/sparc32/mul_1.S | 198 |
1 files changed, 0 insertions, 198 deletions
diff --git a/sysdeps/sparc/sparc32/mul_1.S b/sysdeps/sparc/sparc32/mul_1.S deleted file mode 100644 index 8f7cd752a4..0000000000 --- a/sysdeps/sparc/sparc32/mul_1.S +++ /dev/null @@ -1,198 +0,0 @@ -! SPARC __mpn_mul_1 -- Multiply a limb vector with a limb and store -! the result in a second limb vector. -! -! Copyright (C) 1992-2017 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 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. -! -! 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 Lesser General Public -! License for more details. -! -! You should have received a copy of the GNU Lesser General Public License -! along with the GNU MP Library; see the file COPYING.LIB. If not, -! see <http://www.gnu.org/licenses/>. - - -! INPUT PARAMETERS -! RES_PTR o0 -! S1_PTR o1 -! SIZE o2 -! S2_LIMB o3 - -! ADD CODE FOR SMALL MULTIPLIERS! -!1: ld -! st -! -!2: ld ,a -! addxcc a,a,x -! st x, -! -!3_unrolled: -! ld ,a -! addxcc a,a,x1 ! 2a + cy -! addx %g0,%g0,x2 -! addcc a,x1,x ! 3a + c -! st x, -! -! ld ,a -! addxcc a,a,y1 -! addx %g0,%g0,y2 -! addcc a,y1,x -! st x, -! -!4_unrolled: -! ld ,a -! srl a,2,x1 ! 4a -! addxcc y2,x1,x -! sll a,30,x2 -! st x, -! -! ld ,a -! srl a,2,y1 -! addxcc x2,y1,y -! sll a,30,y2 -! st x, -! -!5_unrolled: -! ld ,a -! srl a,2,x1 ! 4a -! addxcc a,x1,x ! 5a + c -! sll a,30,x2 -! addx %g0,x2,x2 -! st x, -! -! ld ,a -! srl a,2,y1 -! addxcc a,y1,x -! sll a,30,y2 -! addx %g0,y2,y2 -! st x, -! -!8_unrolled: -! ld ,a -! srl a,3,x1 ! 8a -! addxcc y2,x1,x -! sll a,29,x2 -! st x, -! -! ld ,a -! srl a,3,y1 -! addxcc x2,y1,y -! sll a,29,y2 -! st x, - -#include <sysdep.h> - -ENTRY(__mpn_mul_1) - ! Make S1_PTR and RES_PTR point at the end of their blocks - ! and put (- 4 x SIZE) in index/loop counter. - sll %o2,2,%o2 - add %o0,%o2,%o4 ! RES_PTR in o4 since o0 is retval - add %o1,%o2,%o1 - sub %g0,%o2,%o2 - - cmp %o3,0xfff - bgu LOC(large) - nop - - ld [%o1+%o2],%o5 - mov 0,%o0 - b LOC(0) - add %o4,-4,%o4 -LOC(loop0): - st %g1,[%o4+%o2] -LOC(0): wr %g0,%o3,%y - sra %o5,31,%g2 - and %o3,%g2,%g2 - andcc %g1,0,%g1 - mulscc %g1,%o5,%g1 - mulscc %g1,%o5,%g1 - mulscc %g1,%o5,%g1 - mulscc %g1,%o5,%g1 - mulscc %g1,%o5,%g1 - mulscc %g1,%o5,%g1 - mulscc %g1,%o5,%g1 - mulscc %g1,%o5,%g1 - mulscc %g1,%o5,%g1 - mulscc %g1,%o5,%g1 - mulscc %g1,%o5,%g1 - mulscc %g1,%o5,%g1 - mulscc %g1,0,%g1 - sra %g1,20,%g4 - sll %g1,12,%g1 - rd %y,%g3 - srl %g3,20,%g3 - or %g1,%g3,%g1 - - addcc %g1,%o0,%g1 - addx %g2,%g4,%o0 ! add sign-compensation and cy to hi limb - addcc %o2,4,%o2 ! loop counter - bne,a LOC(loop0) - ld [%o1+%o2],%o5 - - retl - st %g1,[%o4+%o2] - - -LOC(large): - ld [%o1+%o2],%o5 - mov 0,%o0 - sra %o3,31,%g4 ! g4 = mask of ones iff S2_LIMB < 0 - b LOC(1) - add %o4,-4,%o4 -LOC(loop): - st %g3,[%o4+%o2] -LOC(1): wr %g0,%o5,%y - and %o5,%g4,%g2 ! g2 = S1_LIMB iff S2_LIMB < 0, else 0 - andcc %g0,%g0,%g1 - mulscc %g1,%o3,%g1 - mulscc %g1,%o3,%g1 - mulscc %g1,%o3,%g1 - mulscc %g1,%o3,%g1 - mulscc %g1,%o3,%g1 - mulscc %g1,%o3,%g1 - mulscc %g1,%o3,%g1 - mulscc %g1,%o3,%g1 - mulscc %g1,%o3,%g1 - mulscc %g1,%o3,%g1 - mulscc %g1,%o3,%g1 - mulscc %g1,%o3,%g1 - mulscc %g1,%o3,%g1 - mulscc %g1,%o3,%g1 - mulscc %g1,%o3,%g1 - mulscc %g1,%o3,%g1 - mulscc %g1,%o3,%g1 - mulscc %g1,%o3,%g1 - mulscc %g1,%o3,%g1 - mulscc %g1,%o3,%g1 - mulscc %g1,%o3,%g1 - mulscc %g1,%o3,%g1 - mulscc %g1,%o3,%g1 - mulscc %g1,%o3,%g1 - mulscc %g1,%o3,%g1 - mulscc %g1,%o3,%g1 - mulscc %g1,%o3,%g1 - mulscc %g1,%o3,%g1 - mulscc %g1,%o3,%g1 - mulscc %g1,%o3,%g1 - mulscc %g1,%o3,%g1 - mulscc %g1,%o3,%g1 - mulscc %g1,%g0,%g1 - rd %y,%g3 - addcc %g3,%o0,%g3 - addx %g2,%g1,%o0 ! add sign-compensation and cy to hi limb - addcc %o2,4,%o2 ! loop counter - bne,a LOC(loop) - ld [%o1+%o2],%o5 - - retl - st %g3,[%o4+%o2] - -END(__mpn_mul_1) |