diff options
Diffstat (limited to 'sysdeps/powerpc/lshift.s')
| -rw-r--r-- | sysdeps/powerpc/lshift.s | 479 |
1 files changed, 0 insertions, 479 deletions
diff --git a/sysdeps/powerpc/lshift.s b/sysdeps/powerpc/lshift.s deleted file mode 100644 index 9612a3d..0000000 --- a/sysdeps/powerpc/lshift.s +++ /dev/null @@ -1,479 +0,0 @@ - # Shift a limb left, low level routine. - # Copyright (C) 1996, 1997 Free Software Foundation, Inc. - # This file is part of the GNU C Library. - # - # The GNU C 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 C 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 C 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. - - # mp_limb_t mpn_lshift (mp_ptr wp, mp_srcptr up, mp_size_t usize, - # unsigned int cnt) - - .align 3 - .globl __mpn_lshift - .type __mpn_lshift,@function -__mpn_lshift: - mtctr %r5 # copy size into CTR - cmplwi %cr0,%r5,16 # is size < 16 - slwi %r0,%r5,2 - add %r7,%r3,%r0 # make r7 point at end of res - add %r4,%r4,%r0 # make r4 point at end of s1 - lwzu %r11,-4(%r4) # load first s1 limb - subfic %r8,%r6,32 - srw %r3,%r11,%r8 # compute function return value - bge %cr0,Lbig # branch if size >= 16 - - bdz Lend1 - -Loop: lwzu %r10,-4(%r4) - slw %r9,%r11,%r6 - srw %r12,%r10,%r8 - or %r9,%r9,%r12 - stwu %r9,-4(%r7) - bdz Lend2 - lwzu %r11,-4(%r4) - slw %r9,%r10,%r6 - srw %r12,%r11,%r8 - or %r9,%r9,%r12 - stwu %r9,-4(%r7) - bdnz Loop - b Lend1 - - # Guaranteed not to succeed. -LBoom: tweq %r0,%r0 - - # We imitate a case statement, by using (yuk!) fixed-length code chunks, - # of size 4*12 bytes. We have to do this (or something) to make this PIC. -Lbig: mflr %r9 - bltl %cr0,LBoom # Never taken, only used to set LR. - slwi %r10,%r6,4 - mflr %r12 - add %r10,%r12,%r10 - slwi %r8,%r6,5 - add %r10,%r8,%r10 - mtctr %r10 - addi %r5,%r5,-1 - mtlr %r9 - bctr - -Lend1: slw %r0,%r11,%r6 - stw %r0,-4(%r7) - blr - - mtctr %r5 -Loop1: lwzu %r10,-4(%r4) - slwi %r9,%r11,1 - inslwi %r9,%r10,1,31 - stwu %r9,-4(%r7) - bdz Lend2 - lwzu %r11,-4(%r4) - slwi %r9,%r10,1 - inslwi %r9,%r11,1,31 - stwu %r9,-4(%r7) - bdnz Loop1 - b Lend1 - - mtctr %r5 -Loop2: lwzu %r10,-4(%r4) - slwi %r9,%r11,2 - inslwi %r9,%r10,2,30 - stwu %r9,-4(%r7) - bdz Lend2 - lwzu %r11,-4(%r4) - slwi %r9,%r10,2 - inslwi %r9,%r11,2,30 - stwu %r9,-4(%r7) - bdnz Loop2 - b Lend1 - - mtctr %r5 -Loop3: lwzu %r10,-4(%r4) - slwi %r9,%r11,3 - inslwi %r9,%r10,3,29 - stwu %r9,-4(%r7) - bdz Lend2 - lwzu %r11,-4(%r4) - slwi %r9,%r10,3 - inslwi %r9,%r11,3,29 - stwu %r9,-4(%r7) - bdnz Loop3 - b Lend1 - - mtctr %r5 -Loop4: lwzu %r10,-4(%r4) - slwi %r9,%r11,4 - inslwi %r9,%r10,4,28 - stwu %r9,-4(%r7) - bdz Lend2 - lwzu %r11,-4(%r4) - slwi %r9,%r10,4 - inslwi %r9,%r11,4,28 - stwu %r9,-4(%r7) - bdnz Loop4 - b Lend1 - - mtctr %r5 -Loop5: lwzu %r10,-4(%r4) - slwi %r9,%r11,5 - inslwi %r9,%r10,5,27 - stwu %r9,-4(%r7) - bdz Lend2 - lwzu %r11,-4(%r4) - slwi %r9,%r10,5 - inslwi %r9,%r11,5,27 - stwu %r9,-4(%r7) - bdnz Loop5 - b Lend1 - - mtctr %r5 -Loop6: lwzu %r10,-4(%r4) - slwi %r9,%r11,6 - inslwi %r9,%r10,6,26 - stwu %r9,-4(%r7) - bdz Lend2 - lwzu %r11,-4(%r4) - slwi %r9,%r10,6 - inslwi %r9,%r11,6,26 - stwu %r9,-4(%r7) - bdnz Loop6 - b Lend1 - - mtctr %r5 -Loop7: lwzu %r10,-4(%r4) - slwi %r9,%r11,7 - inslwi %r9,%r10,7,25 - stwu %r9,-4(%r7) - bdz Lend2 - lwzu %r11,-4(%r4) - slwi %r9,%r10,7 - inslwi %r9,%r11,7,25 - stwu %r9,-4(%r7) - bdnz Loop7 - b Lend1 - - mtctr %r5 -Loop8: lwzu %r10,-4(%r4) - slwi %r9,%r11,8 - inslwi %r9,%r10,8,24 - stwu %r9,-4(%r7) - bdz Lend2 - lwzu %r11,-4(%r4) - slwi %r9,%r10,8 - inslwi %r9,%r11,8,24 - stwu %r9,-4(%r7) - bdnz Loop8 - b Lend1 - - mtctr %r5 -Loop9: lwzu %r10,-4(%r4) - slwi %r9,%r11,9 - inslwi %r9,%r10,9,23 - stwu %r9,-4(%r7) - bdz Lend2 - lwzu %r11,-4(%r4) - slwi %r9,%r10,9 - inslwi %r9,%r11,9,23 - stwu %r9,-4(%r7) - bdnz Loop9 - b Lend1 - - mtctr %r5 -Loop10: lwzu %r10,-4(%r4) - slwi %r9,%r11,10 - inslwi %r9,%r10,10,22 - stwu %r9,-4(%r7) - bdz Lend2 - lwzu %r11,-4(%r4) - slwi %r9,%r10,10 - inslwi %r9,%r11,10,22 - stwu %r9,-4(%r7) - bdnz Loop10 - b Lend1 - - mtctr %r5 -Loop11: lwzu %r10,-4(%r4) - slwi %r9,%r11,11 - inslwi %r9,%r10,11,21 - stwu %r9,-4(%r7) - bdz Lend2 - lwzu %r11,-4(%r4) - slwi %r9,%r10,11 - inslwi %r9,%r11,11,21 - stwu %r9,-4(%r7) - bdnz Loop11 - b Lend1 - - mtctr %r5 -Loop12: lwzu %r10,-4(%r4) - slwi %r9,%r11,12 - inslwi %r9,%r10,12,20 - stwu %r9,-4(%r7) - bdz Lend2 - lwzu %r11,-4(%r4) - slwi %r9,%r10,12 - inslwi %r9,%r11,12,20 - stwu %r9,-4(%r7) - bdnz Loop12 - b Lend1 - - mtctr %r5 -Loop13: lwzu %r10,-4(%r4) - slwi %r9,%r11,13 - inslwi %r9,%r10,13,19 - stwu %r9,-4(%r7) - bdz Lend2 - lwzu %r11,-4(%r4) - slwi %r9,%r10,13 - inslwi %r9,%r11,13,19 - stwu %r9,-4(%r7) - bdnz Loop13 - b Lend1 - - mtctr %r5 -Loop14: lwzu %r10,-4(%r4) - slwi %r9,%r11,14 - inslwi %r9,%r10,14,18 - stwu %r9,-4(%r7) - bdz Lend2 - lwzu %r11,-4(%r4) - slwi %r9,%r10,14 - inslwi %r9,%r11,14,18 - stwu %r9,-4(%r7) - bdnz Loop14 - b Lend1 - - mtctr %r5 -Loop15: lwzu %r10,-4(%r4) - slwi %r9,%r11,15 - inslwi %r9,%r10,15,17 - stwu %r9,-4(%r7) - bdz Lend2 - lwzu %r11,-4(%r4) - slwi %r9,%r10,15 - inslwi %r9,%r11,15,17 - stwu %r9,-4(%r7) - bdnz Loop15 - b Lend1 - - mtctr %r5 -Loop16: lwzu %r10,-4(%r4) - slwi %r9,%r11,16 - inslwi %r9,%r10,16,16 - stwu %r9,-4(%r7) - bdz Lend2 - lwzu %r11,-4(%r4) - slwi %r9,%r10,16 - inslwi %r9,%r11,16,16 - stwu %r9,-4(%r7) - bdnz Loop16 - b Lend1 - - mtctr %r5 -Loop17: lwzu %r10,-4(%r4) - slwi %r9,%r11,17 - inslwi %r9,%r10,17,15 - stwu %r9,-4(%r7) - bdz Lend2 - lwzu %r11,-4(%r4) - slwi %r9,%r10,17 - inslwi %r9,%r11,17,15 - stwu %r9,-4(%r7) - bdnz Loop17 - b Lend1 - - mtctr %r5 -Loop18: lwzu %r10,-4(%r4) - slwi %r9,%r11,18 - inslwi %r9,%r10,18,14 - stwu %r9,-4(%r7) - bdz Lend2 - lwzu %r11,-4(%r4) - slwi %r9,%r10,18 - inslwi %r9,%r11,18,14 - stwu %r9,-4(%r7) - bdnz Loop18 - b Lend1 - - mtctr %r5 -Loop19: lwzu %r10,-4(%r4) - slwi %r9,%r11,19 - inslwi %r9,%r10,19,13 - stwu %r9,-4(%r7) - bdz Lend2 - lwzu %r11,-4(%r4) - slwi %r9,%r10,19 - inslwi %r9,%r11,19,13 - stwu %r9,-4(%r7) - bdnz Loop19 - b Lend1 - - mtctr %r5 -Loop20: lwzu %r10,-4(%r4) - slwi %r9,%r11,20 - inslwi %r9,%r10,20,12 - stwu %r9,-4(%r7) - bdz Lend2 - lwzu %r11,-4(%r4) - slwi %r9,%r10,20 - inslwi %r9,%r11,20,12 - stwu %r9,-4(%r7) - bdnz Loop20 - b Lend1 - - mtctr %r5 -Loop21: lwzu %r10,-4(%r4) - slwi %r9,%r11,21 - inslwi %r9,%r10,21,11 - stwu %r9,-4(%r7) - bdz Lend2 - lwzu %r11,-4(%r4) - slwi %r9,%r10,21 - inslwi %r9,%r11,21,11 - stwu %r9,-4(%r7) - bdnz Loop21 - b Lend1 - - mtctr %r5 -Loop22: lwzu %r10,-4(%r4) - slwi %r9,%r11,22 - inslwi %r9,%r10,22,10 - stwu %r9,-4(%r7) - bdz Lend2 - lwzu %r11,-4(%r4) - slwi %r9,%r10,22 - inslwi %r9,%r11,22,10 - stwu %r9,-4(%r7) - bdnz Loop22 - b Lend1 - - mtctr %r5 -Loop23: lwzu %r10,-4(%r4) - slwi %r9,%r11,23 - inslwi %r9,%r10,23,9 - stwu %r9,-4(%r7) - bdz Lend2 - lwzu %r11,-4(%r4) - slwi %r9,%r10,23 - inslwi %r9,%r11,23,9 - stwu %r9,-4(%r7) - bdnz Loop23 - b Lend1 - - mtctr %r5 -Loop24: lwzu %r10,-4(%r4) - slwi %r9,%r11,24 - inslwi %r9,%r10,24,8 - stwu %r9,-4(%r7) - bdz Lend2 - lwzu %r11,-4(%r4) - slwi %r9,%r10,24 - inslwi %r9,%r11,24,8 - stwu %r9,-4(%r7) - bdnz Loop24 - b Lend1 - - mtctr %r5 -Loop25: lwzu %r10,-4(%r4) - slwi %r9,%r11,25 - inslwi %r9,%r10,25,7 - stwu %r9,-4(%r7) - bdz Lend2 - lwzu %r11,-4(%r4) - slwi %r9,%r10,25 - inslwi %r9,%r11,25,7 - stwu %r9,-4(%r7) - bdnz Loop25 - b Lend1 - - mtctr %r5 -Loop26: lwzu %r10,-4(%r4) - slwi %r9,%r11,26 - inslwi %r9,%r10,26,6 - stwu %r9,-4(%r7) - bdz Lend2 - lwzu %r11,-4(%r4) - slwi %r9,%r10,26 - inslwi %r9,%r11,26,6 - stwu %r9,-4(%r7) - bdnz Loop26 - b Lend1 - - mtctr %r5 -Loop27: lwzu %r10,-4(%r4) - slwi %r9,%r11,27 - inslwi %r9,%r10,27,5 - stwu %r9,-4(%r7) - bdz Lend2 - lwzu %r11,-4(%r4) - slwi %r9,%r10,27 - inslwi %r9,%r11,27,5 - stwu %r9,-4(%r7) - bdnz Loop27 - b Lend1 - - mtctr %r5 -Loop28: lwzu %r10,-4(%r4) - slwi %r9,%r11,28 - inslwi %r9,%r10,28,4 - stwu %r9,-4(%r7) - bdz Lend2 - lwzu %r11,-4(%r4) - slwi %r9,%r10,28 - inslwi %r9,%r11,28,4 - stwu %r9,-4(%r7) - bdnz Loop28 - b Lend1 - - mtctr %r5 -Loop29: lwzu %r10,-4(%r4) - slwi %r9,%r11,29 - inslwi %r9,%r10,29,3 - stwu %r9,-4(%r7) - bdz Lend2 - lwzu %r11,-4(%r4) - slwi %r9,%r10,29 - inslwi %r9,%r11,29,3 - stwu %r9,-4(%r7) - bdnz Loop29 - b Lend1 - - mtctr %r5 -Loop30: lwzu %r10,-4(%r4) - slwi %r9,%r11,30 - inslwi %r9,%r10,30,2 - stwu %r9,-4(%r7) - bdz Lend2 - lwzu %r11,-4(%r4) - slwi %r9,%r10,30 - inslwi %r9,%r11,30,2 - stwu %r9,-4(%r7) - bdnz Loop30 - b Lend1 - - mtctr %r5 -Loop31: lwzu %r10,-4(%r4) - slwi %r9,%r11,31 - inslwi %r9,%r10,31,1 - stwu %r9,-4(%r7) - bdz Lend2 - lwzu %r11,-4(%r4) - slwi %r9,%r10,31 - inslwi %r9,%r11,31,1 - stwu %r9,-4(%r7) - bdnz Loop31 - b Lend1 - -Lend2: slw %r0,%r10,%r6 - stw %r0,-4(%r7) - blr |