mirror of
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started with trust stuff
This commit is contained in:
Werner Koch
parent
762d3d7197
commit
ed36092588
54 changed files with 1861 additions and 700 deletions
4
mpi/sparc32/distfiles
Normal file
4
mpi/sparc32/distfiles
Normal file
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@ -0,0 +1,4 @@
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mpih-add1.S
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udiv.S
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237
mpi/sparc32/mpih-add1.S
Normal file
237
mpi/sparc32/mpih-add1.S
Normal file
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@ -0,0 +1,237 @@
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! SPARC __mpn_add_n -- Add two limb vectors of the same length > 0 and store
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! sum in a third limb vector.
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! Copyright (C) 1995, 1996 Free Software Foundation, Inc.
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! This file is part of the GNU MP Library.
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! The GNU MP Library is free software; you can redistribute it and/or modify
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! it under the terms of the GNU Library General Public License as published by
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||||
! the Free Software Foundation; either version 2 of the License, or (at your
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! option) any later version.
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! The GNU MP Library is distributed in the hope that it will be useful, but
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! WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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||||
! or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
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! License for more details.
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||||
|
||||
! 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
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! the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
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! MA 02111-1307, USA.
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/*******************
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* mpi_limb_t
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* mpihelp_add_n( mpi_ptr_t res_ptr,
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* mpi_ptr_t s1_ptr,
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* mpi_ptr_t s2_ptr,
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* mpi_size_t size)
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*/
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! INPUT PARAMETERS
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#define res_ptr %o0
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#define s1_ptr %o1
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#define s2_ptr %o2
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#define size %o3
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#include "sysdep.h"
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.text
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.align 4
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.global C_SYMBOL_NAME(mpihelp_add_n)
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C_SYMBOL_NAME(mpihelp_add_n):
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xor s2_ptr,res_ptr,%g1
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andcc %g1,4,%g0
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bne L1 ! branch if alignment differs
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nop
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! ** V1a **
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L0: andcc res_ptr,4,%g0 ! res_ptr unaligned? Side effect: cy=0
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be L_v1 ! if no, branch
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nop
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/* Add least significant limb separately to align res_ptr and s2_ptr */
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ld [s1_ptr],%g4
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add s1_ptr,4,s1_ptr
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ld [s2_ptr],%g2
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add s2_ptr,4,s2_ptr
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add size,-1,size
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addcc %g4,%g2,%o4
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st %o4,[res_ptr]
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add res_ptr,4,res_ptr
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L_v1: addx %g0,%g0,%o4 ! save cy in register
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cmp size,2 ! if size < 2 ...
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bl Lend2 ! ... branch to tail code
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subcc %g0,%o4,%g0 ! restore cy
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ld [s1_ptr+0],%g4
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addcc size,-10,size
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ld [s1_ptr+4],%g1
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ldd [s2_ptr+0],%g2
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blt Lfin1
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subcc %g0,%o4,%g0 ! restore cy
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/* Add blocks of 8 limbs until less than 8 limbs remain */
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Loop1: addxcc %g4,%g2,%o4
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ld [s1_ptr+8],%g4
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addxcc %g1,%g3,%o5
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ld [s1_ptr+12],%g1
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ldd [s2_ptr+8],%g2
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std %o4,[res_ptr+0]
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addxcc %g4,%g2,%o4
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ld [s1_ptr+16],%g4
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addxcc %g1,%g3,%o5
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ld [s1_ptr+20],%g1
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ldd [s2_ptr+16],%g2
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std %o4,[res_ptr+8]
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addxcc %g4,%g2,%o4
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ld [s1_ptr+24],%g4
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addxcc %g1,%g3,%o5
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ld [s1_ptr+28],%g1
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ldd [s2_ptr+24],%g2
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std %o4,[res_ptr+16]
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addxcc %g4,%g2,%o4
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ld [s1_ptr+32],%g4
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addxcc %g1,%g3,%o5
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ld [s1_ptr+36],%g1
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ldd [s2_ptr+32],%g2
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std %o4,[res_ptr+24]
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addx %g0,%g0,%o4 ! save cy in register
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addcc size,-8,size
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add s1_ptr,32,s1_ptr
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add s2_ptr,32,s2_ptr
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add res_ptr,32,res_ptr
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bge Loop1
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subcc %g0,%o4,%g0 ! restore cy
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Lfin1: addcc size,8-2,size
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blt Lend1
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subcc %g0,%o4,%g0 ! restore cy
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/* Add blocks of 2 limbs until less than 2 limbs remain */
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Loope1: addxcc %g4,%g2,%o4
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ld [s1_ptr+8],%g4
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addxcc %g1,%g3,%o5
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ld [s1_ptr+12],%g1
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ldd [s2_ptr+8],%g2
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std %o4,[res_ptr+0]
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addx %g0,%g0,%o4 ! save cy in register
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addcc size,-2,size
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add s1_ptr,8,s1_ptr
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add s2_ptr,8,s2_ptr
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add res_ptr,8,res_ptr
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bge Loope1
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subcc %g0,%o4,%g0 ! restore cy
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Lend1: addxcc %g4,%g2,%o4
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addxcc %g1,%g3,%o5
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std %o4,[res_ptr+0]
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addx %g0,%g0,%o4 ! save cy in register
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andcc size,1,%g0
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be Lret1
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subcc %g0,%o4,%g0 ! restore cy
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/* Add last limb */
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ld [s1_ptr+8],%g4
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ld [s2_ptr+8],%g2
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addxcc %g4,%g2,%o4
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st %o4,[res_ptr+8]
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Lret1: retl
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addx %g0,%g0,%o0 ! return carry-out from most sign. limb
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L1: xor s1_ptr,res_ptr,%g1
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andcc %g1,4,%g0
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bne L2
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nop
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! ** V1b **
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mov s2_ptr,%g1
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mov s1_ptr,s2_ptr
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b L0
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mov %g1,s1_ptr
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! ** V2 **
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/* If we come here, the alignment of s1_ptr and res_ptr as well as the
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alignment of s2_ptr and res_ptr differ. Since there are only two ways
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things can be aligned (that we care about) we now know that the alignment
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of s1_ptr and s2_ptr are the same. */
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L2: cmp size,1
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be Ljone
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nop
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andcc s1_ptr,4,%g0 ! s1_ptr unaligned? Side effect: cy=0
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be L_v2 ! if no, branch
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nop
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/* Add least significant limb separately to align s1_ptr and s2_ptr */
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ld [s1_ptr],%g4
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add s1_ptr,4,s1_ptr
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ld [s2_ptr],%g2
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add s2_ptr,4,s2_ptr
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add size,-1,size
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addcc %g4,%g2,%o4
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st %o4,[res_ptr]
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add res_ptr,4,res_ptr
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L_v2: addx %g0,%g0,%o4 ! save cy in register
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addcc size,-8,size
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blt Lfin2
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subcc %g0,%o4,%g0 ! restore cy
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/* Add blocks of 8 limbs until less than 8 limbs remain */
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Loop2: ldd [s1_ptr+0],%g2
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ldd [s2_ptr+0],%o4
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addxcc %g2,%o4,%g2
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st %g2,[res_ptr+0]
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addxcc %g3,%o5,%g3
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st %g3,[res_ptr+4]
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ldd [s1_ptr+8],%g2
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ldd [s2_ptr+8],%o4
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addxcc %g2,%o4,%g2
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st %g2,[res_ptr+8]
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addxcc %g3,%o5,%g3
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st %g3,[res_ptr+12]
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ldd [s1_ptr+16],%g2
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ldd [s2_ptr+16],%o4
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addxcc %g2,%o4,%g2
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st %g2,[res_ptr+16]
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addxcc %g3,%o5,%g3
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st %g3,[res_ptr+20]
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ldd [s1_ptr+24],%g2
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ldd [s2_ptr+24],%o4
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addxcc %g2,%o4,%g2
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st %g2,[res_ptr+24]
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addxcc %g3,%o5,%g3
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st %g3,[res_ptr+28]
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addx %g0,%g0,%o4 ! save cy in register
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addcc size,-8,size
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add s1_ptr,32,s1_ptr
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add s2_ptr,32,s2_ptr
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add res_ptr,32,res_ptr
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bge Loop2
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subcc %g0,%o4,%g0 ! restore cy
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Lfin2: addcc size,8-2,size
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blt Lend2
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subcc %g0,%o4,%g0 ! restore cy
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Loope2: ldd [s1_ptr+0],%g2
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ldd [s2_ptr+0],%o4
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addxcc %g2,%o4,%g2
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st %g2,[res_ptr+0]
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addxcc %g3,%o5,%g3
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st %g3,[res_ptr+4]
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addx %g0,%g0,%o4 ! save cy in register
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addcc size,-2,size
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add s1_ptr,8,s1_ptr
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add s2_ptr,8,s2_ptr
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add res_ptr,8,res_ptr
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bge Loope2
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subcc %g0,%o4,%g0 ! restore cy
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Lend2: andcc size,1,%g0
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be Lret2
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subcc %g0,%o4,%g0 ! restore cy
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/* Add last limb */
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Ljone: ld [s1_ptr],%g4
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ld [s2_ptr],%g2
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addxcc %g4,%g2,%o4
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st %o4,[res_ptr]
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Lret2: retl
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addx %g0,%g0,%o0 ! return carry-out from most sign. limb
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188
mpi/sparc32/udiv.S
Normal file
188
mpi/sparc32/udiv.S
Normal file
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@ -0,0 +1,188 @@
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! SPARC v7 __udiv_qrnnd division support, used from longlong.h.
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! This is for v7 CPUs without a floating-point unit.
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! Copyright (C) 1993, 1994, 1996 Free Software Foundation, Inc.
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! This file is part of the GNU MP Library.
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! The GNU MP Library is free software; you can redistribute it and/or modify
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! 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
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! option) any later version.
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|
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! The GNU MP Library is distributed in the hope that it will be useful, but
|
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! 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,
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||||
! MA 02111-1307, USA.
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||||
|
||||
|
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! INPUT PARAMETERS
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! rem_ptr o0
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! n1 o1
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! n0 o2
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! d o3
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#include "sysdep.h"
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.text
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.align 4
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.global C_SYMBOL_NAME(__udiv_qrnnd)
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C_SYMBOL_NAME(__udiv_qrnnd):
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tst %o3
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bneg Largedivisor
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mov 8,%g1
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b Lp1
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addxcc %o2,%o2,%o2
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Lplop: bcc Ln1
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addxcc %o2,%o2,%o2
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Lp1: addx %o1,%o1,%o1
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subcc %o1,%o3,%o4
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bcc Ln2
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addxcc %o2,%o2,%o2
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Lp2: addx %o1,%o1,%o1
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subcc %o1,%o3,%o4
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bcc Ln3
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addxcc %o2,%o2,%o2
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Lp3: addx %o1,%o1,%o1
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subcc %o1,%o3,%o4
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bcc Ln4
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addxcc %o2,%o2,%o2
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Lp4: addx %o1,%o1,%o1
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addcc %g1,-1,%g1
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bne Lplop
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subcc %o1,%o3,%o4
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bcc Ln5
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addxcc %o2,%o2,%o2
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Lp5: st %o1,[%o0]
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retl
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xnor %g0,%o2,%o0
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|
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Lnlop: bcc Lp1
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addxcc %o2,%o2,%o2
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Ln1: addx %o4,%o4,%o4
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subcc %o4,%o3,%o1
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bcc Lp2
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addxcc %o2,%o2,%o2
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Ln2: addx %o4,%o4,%o4
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subcc %o4,%o3,%o1
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bcc Lp3
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addxcc %o2,%o2,%o2
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Ln3: addx %o4,%o4,%o4
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subcc %o4,%o3,%o1
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bcc Lp4
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addxcc %o2,%o2,%o2
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Ln4: addx %o4,%o4,%o4
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||||
addcc %g1,-1,%g1
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||||
bne Lnlop
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subcc %o4,%o3,%o1
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bcc Lp5
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addxcc %o2,%o2,%o2
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||||
Ln5: st %o4,[%o0]
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retl
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xnor %g0,%o2,%o0
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|
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Largedivisor:
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and %o2,1,%o5 ! %o5 = n0 & 1
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|
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srl %o2,1,%o2
|
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sll %o1,31,%g2
|
||||
or %g2,%o2,%o2 ! %o2 = lo(n1n0 >> 1)
|
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srl %o1,1,%o1 ! %o1 = hi(n1n0 >> 1)
|
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|
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and %o3,1,%g2
|
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srl %o3,1,%g3 ! %g3 = floor(d / 2)
|
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add %g3,%g2,%g3 ! %g3 = ceil(d / 2)
|
||||
|
||||
b LLp1
|
||||
addxcc %o2,%o2,%o2
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||||
|
||||
LLplop: bcc LLn1
|
||||
addxcc %o2,%o2,%o2
|
||||
LLp1: addx %o1,%o1,%o1
|
||||
subcc %o1,%g3,%o4
|
||||
bcc LLn2
|
||||
addxcc %o2,%o2,%o2
|
||||
LLp2: addx %o1,%o1,%o1
|
||||
subcc %o1,%g3,%o4
|
||||
bcc LLn3
|
||||
addxcc %o2,%o2,%o2
|
||||
LLp3: addx %o1,%o1,%o1
|
||||
subcc %o1,%g3,%o4
|
||||
bcc LLn4
|
||||
addxcc %o2,%o2,%o2
|
||||
LLp4: addx %o1,%o1,%o1
|
||||
addcc %g1,-1,%g1
|
||||
bne LLplop
|
||||
subcc %o1,%g3,%o4
|
||||
bcc LLn5
|
||||
addxcc %o2,%o2,%o2
|
||||
LLp5: add %o1,%o1,%o1 ! << 1
|
||||
tst %g2
|
||||
bne Oddp
|
||||
add %o5,%o1,%o1
|
||||
st %o1,[%o0]
|
||||
retl
|
||||
xnor %g0,%o2,%o0
|
||||
|
||||
LLnlop: bcc LLp1
|
||||
addxcc %o2,%o2,%o2
|
||||
LLn1: addx %o4,%o4,%o4
|
||||
subcc %o4,%g3,%o1
|
||||
bcc LLp2
|
||||
addxcc %o2,%o2,%o2
|
||||
LLn2: addx %o4,%o4,%o4
|
||||
subcc %o4,%g3,%o1
|
||||
bcc LLp3
|
||||
addxcc %o2,%o2,%o2
|
||||
LLn3: addx %o4,%o4,%o4
|
||||
subcc %o4,%g3,%o1
|
||||
bcc LLp4
|
||||
addxcc %o2,%o2,%o2
|
||||
LLn4: addx %o4,%o4,%o4
|
||||
addcc %g1,-1,%g1
|
||||
bne LLnlop
|
||||
subcc %o4,%g3,%o1
|
||||
bcc LLp5
|
||||
addxcc %o2,%o2,%o2
|
||||
LLn5: add %o4,%o4,%o4 ! << 1
|
||||
tst %g2
|
||||
bne Oddn
|
||||
add %o5,%o4,%o4
|
||||
st %o4,[%o0]
|
||||
retl
|
||||
xnor %g0,%o2,%o0
|
||||
|
||||
Oddp: xnor %g0,%o2,%o2
|
||||
! q' in %o2. r' in %o1
|
||||
addcc %o1,%o2,%o1
|
||||
bcc LLp6
|
||||
addx %o2,0,%o2
|
||||
sub %o1,%o3,%o1
|
||||
LLp6: subcc %o1,%o3,%g0
|
||||
bcs LLp7
|
||||
subx %o2,-1,%o2
|
||||
sub %o1,%o3,%o1
|
||||
LLp7: st %o1,[%o0]
|
||||
retl
|
||||
mov %o2,%o0
|
||||
|
||||
Oddn: xnor %g0,%o2,%o2
|
||||
! q' in %o2. r' in %o4
|
||||
addcc %o4,%o2,%o4
|
||||
bcc LLn6
|
||||
addx %o2,0,%o2
|
||||
sub %o4,%o3,%o4
|
||||
LLn6: subcc %o4,%o3,%g0
|
||||
bcs LLn7
|
||||
subx %o2,-1,%o2
|
||||
sub %o4,%o3,%o4
|
||||
LLn7: st %o4,[%o0]
|
||||
retl
|
||||
mov %o2,%o0
|
||||
Loading…
Add table
Add a link
Reference in a new issue