diff options
Diffstat (limited to 'ports/sysdeps/alpha/alphaev5/lshift.S')
| -rw-r--r-- | ports/sysdeps/alpha/alphaev5/lshift.S | 172 |
1 files changed, 0 insertions, 172 deletions
diff --git a/ports/sysdeps/alpha/alphaev5/lshift.S b/ports/sysdeps/alpha/alphaev5/lshift.S deleted file mode 100644 index 459221f256..0000000000 --- a/ports/sysdeps/alpha/alphaev5/lshift.S +++ /dev/null @@ -1,172 +0,0 @@ - # Alpha EV5 __mpn_lshift -- - - # Copyright (C) 1994-2014 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. If not, see <http://www.gnu.org/licenses/>. - - - # INPUT PARAMETERS - # res_ptr r16 - # s1_ptr r17 - # size r18 - # cnt r19 - - # This code runs at 3.25 cycles/limb on the EV5. - - .set noreorder - .set noat -.text - .align 3 - .globl __mpn_lshift - .ent __mpn_lshift -__mpn_lshift: - .frame $30,0,$26,0 - - s8addq $18,$17,$17 # make r17 point at end of s1 - ldq $4,-8($17) # load first limb - subq $31,$19,$20 - s8addq $18,$16,$16 # make r16 point at end of RES - subq $18,1,$18 - and $18,4-1,$28 # number of limbs in first loop - srl $4,$20,$0 # compute function result - - beq $28,.L0 - subq $18,$28,$18 - - .align 3 -.Loop0: ldq $3,-16($17) - subq $16,8,$16 - sll $4,$19,$5 - subq $17,8,$17 - subq $28,1,$28 - srl $3,$20,$6 - or $3,$3,$4 - or $5,$6,$8 - stq $8,0($16) - bne $28,.Loop0 - -.L0: sll $4,$19,$24 - beq $18,.Lend - # warm up phase 1 - ldq $1,-16($17) - subq $18,4,$18 - ldq $2,-24($17) - ldq $3,-32($17) - ldq $4,-40($17) - beq $18,.Lend1 - # warm up phase 2 - srl $1,$20,$7 - sll $1,$19,$21 - srl $2,$20,$8 - ldq $1,-48($17) - sll $2,$19,$22 - ldq $2,-56($17) - srl $3,$20,$5 - or $7,$24,$7 - sll $3,$19,$23 - or $8,$21,$8 - srl $4,$20,$6 - ldq $3,-64($17) - sll $4,$19,$24 - ldq $4,-72($17) - subq $18,4,$18 - beq $18,.Lend2 - .align 4 - # main loop -.Loop: stq $7,-8($16) - or $5,$22,$5 - stq $8,-16($16) - or $6,$23,$6 - - srl $1,$20,$7 - subq $18,4,$18 - sll $1,$19,$21 - unop # ldq $31,-96($17) - - srl $2,$20,$8 - ldq $1,-80($17) - sll $2,$19,$22 - ldq $2,-88($17) - - stq $5,-24($16) - or $7,$24,$7 - stq $6,-32($16) - or $8,$21,$8 - - srl $3,$20,$5 - unop # ldq $31,-96($17) - sll $3,$19,$23 - subq $16,32,$16 - - srl $4,$20,$6 - ldq $3,-96($17) - sll $4,$19,$24 - ldq $4,-104($17) - - subq $17,32,$17 - bne $18,.Loop - # cool down phase 2/1 -.Lend2: stq $7,-8($16) - or $5,$22,$5 - stq $8,-16($16) - or $6,$23,$6 - srl $1,$20,$7 - sll $1,$19,$21 - srl $2,$20,$8 - sll $2,$19,$22 - stq $5,-24($16) - or $7,$24,$7 - stq $6,-32($16) - or $8,$21,$8 - srl $3,$20,$5 - sll $3,$19,$23 - srl $4,$20,$6 - sll $4,$19,$24 - # cool down phase 2/2 - stq $7,-40($16) - or $5,$22,$5 - stq $8,-48($16) - or $6,$23,$6 - stq $5,-56($16) - stq $6,-64($16) - # cool down phase 2/3 - stq $24,-72($16) - ret $31,($26),1 - - # cool down phase 1/1 -.Lend1: srl $1,$20,$7 - sll $1,$19,$21 - srl $2,$20,$8 - sll $2,$19,$22 - srl $3,$20,$5 - or $7,$24,$7 - sll $3,$19,$23 - or $8,$21,$8 - srl $4,$20,$6 - sll $4,$19,$24 - # cool down phase 1/2 - stq $7,-8($16) - or $5,$22,$5 - stq $8,-16($16) - or $6,$23,$6 - stq $5,-24($16) - stq $6,-32($16) - stq $24,-40($16) - ret $31,($26),1 - -.Lend: stq $24,-8($16) - ret $31,($26),1 - .end __mpn_lshift |