mirror of
https://github.com/torvalds/linux.git
synced 2024-11-23 12:42:02 +00:00
940d4113f3
New gcc (4.8 or later) used new shift helper functions. So we need added new helper to private libgcc. Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp> Signed-off-by: Rich Felker <dalias@libc.org>
210 lines
3.9 KiB
ArmAsm
210 lines
3.9 KiB
ArmAsm
/* Copyright (C) 1994, 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
|
|
2004, 2005, 2006
|
|
Free Software Foundation, Inc.
|
|
|
|
This file is free software; you can redistribute it and/or modify it
|
|
under the terms of the GNU General Public License as published by the
|
|
Free Software Foundation; either version 2, or (at your option) any
|
|
later version.
|
|
|
|
In addition to the permissions in the GNU General Public License, the
|
|
Free Software Foundation gives you unlimited permission to link the
|
|
compiled version of this file into combinations with other programs,
|
|
and to distribute those combinations without any restriction coming
|
|
from the use of this file. (The General Public License restrictions
|
|
do apply in other respects; for example, they cover modification of
|
|
the file, and distribution when not linked into a combine
|
|
executable.)
|
|
|
|
This file 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
|
|
General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; see the file COPYING. If not, write to
|
|
the Free Software Foundation, 51 Franklin Street, Fifth Floor,
|
|
Boston, MA 02110-1301, USA. */
|
|
|
|
!! libgcc routines for the Renesas / SuperH SH CPUs.
|
|
!! Contributed by Steve Chamberlain.
|
|
!! sac@cygnus.com
|
|
|
|
!! ashiftrt_r4_x, ___ashrsi3, ___ashlsi3, ___lshrsi3 routines
|
|
!! recoded in assembly by Toshiyasu Morita
|
|
!! tm@netcom.com
|
|
|
|
/* SH2 optimizations for ___ashrsi3, ___ashlsi3, ___lshrsi3 and
|
|
ELF local label prefixes by J"orn Rennecke
|
|
amylaar@cygnus.com */
|
|
|
|
!
|
|
! __lshrsi3
|
|
!
|
|
! Entry:
|
|
!
|
|
! r4: Value to shift
|
|
! r5: Shifts
|
|
!
|
|
! Exit:
|
|
!
|
|
! r0: Result
|
|
!
|
|
! Destroys:
|
|
!
|
|
! (none)
|
|
!
|
|
! __lshrsi3_r0
|
|
!
|
|
! Entry:
|
|
!
|
|
! r0: Value to shift
|
|
! r5: Shifts
|
|
!
|
|
! Exit:
|
|
!
|
|
! r0: Result
|
|
!
|
|
! Destroys:
|
|
!
|
|
! (none)
|
|
!
|
|
.global __lshrsi3
|
|
.global __lshrsi3_r0
|
|
|
|
.align 2
|
|
__lshrsi3:
|
|
mov r5,r0
|
|
.align 2
|
|
__lshrsi3_r0:
|
|
and #31,r0
|
|
mov.l r4,@-r15
|
|
mov r0,r4
|
|
mova lshrsi3_table,r0
|
|
mov.b @(r0,r4),r4
|
|
add r4,r0
|
|
jmp @r0
|
|
mov.l @r15+,r0
|
|
|
|
.align 2
|
|
lshrsi3_table:
|
|
.byte lshrsi3_0-lshrsi3_table
|
|
.byte lshrsi3_1-lshrsi3_table
|
|
.byte lshrsi3_2-lshrsi3_table
|
|
.byte lshrsi3_3-lshrsi3_table
|
|
.byte lshrsi3_4-lshrsi3_table
|
|
.byte lshrsi3_5-lshrsi3_table
|
|
.byte lshrsi3_6-lshrsi3_table
|
|
.byte lshrsi3_7-lshrsi3_table
|
|
.byte lshrsi3_8-lshrsi3_table
|
|
.byte lshrsi3_9-lshrsi3_table
|
|
.byte lshrsi3_10-lshrsi3_table
|
|
.byte lshrsi3_11-lshrsi3_table
|
|
.byte lshrsi3_12-lshrsi3_table
|
|
.byte lshrsi3_13-lshrsi3_table
|
|
.byte lshrsi3_14-lshrsi3_table
|
|
.byte lshrsi3_15-lshrsi3_table
|
|
.byte lshrsi3_16-lshrsi3_table
|
|
.byte lshrsi3_17-lshrsi3_table
|
|
.byte lshrsi3_18-lshrsi3_table
|
|
.byte lshrsi3_19-lshrsi3_table
|
|
.byte lshrsi3_20-lshrsi3_table
|
|
.byte lshrsi3_21-lshrsi3_table
|
|
.byte lshrsi3_22-lshrsi3_table
|
|
.byte lshrsi3_23-lshrsi3_table
|
|
.byte lshrsi3_24-lshrsi3_table
|
|
.byte lshrsi3_25-lshrsi3_table
|
|
.byte lshrsi3_26-lshrsi3_table
|
|
.byte lshrsi3_27-lshrsi3_table
|
|
.byte lshrsi3_28-lshrsi3_table
|
|
.byte lshrsi3_29-lshrsi3_table
|
|
.byte lshrsi3_30-lshrsi3_table
|
|
.byte lshrsi3_31-lshrsi3_table
|
|
|
|
lshrsi3_6:
|
|
shlr2 r0
|
|
lshrsi3_4:
|
|
shlr2 r0
|
|
lshrsi3_2:
|
|
rts
|
|
shlr2 r0
|
|
|
|
lshrsi3_7:
|
|
shlr2 r0
|
|
lshrsi3_5:
|
|
shlr2 r0
|
|
lshrsi3_3:
|
|
shlr2 r0
|
|
lshrsi3_1:
|
|
rts
|
|
shlr r0
|
|
|
|
lshrsi3_14:
|
|
shlr2 r0
|
|
lshrsi3_12:
|
|
shlr2 r0
|
|
lshrsi3_10:
|
|
shlr2 r0
|
|
lshrsi3_8:
|
|
rts
|
|
shlr8 r0
|
|
|
|
lshrsi3_15:
|
|
shlr2 r0
|
|
lshrsi3_13:
|
|
shlr2 r0
|
|
lshrsi3_11:
|
|
shlr2 r0
|
|
lshrsi3_9:
|
|
shlr8 r0
|
|
rts
|
|
shlr r0
|
|
|
|
lshrsi3_22:
|
|
shlr2 r0
|
|
lshrsi3_20:
|
|
shlr2 r0
|
|
lshrsi3_18:
|
|
shlr2 r0
|
|
lshrsi3_16:
|
|
rts
|
|
shlr16 r0
|
|
|
|
lshrsi3_23:
|
|
shlr2 r0
|
|
lshrsi3_21:
|
|
shlr2 r0
|
|
lshrsi3_19:
|
|
shlr2 r0
|
|
lshrsi3_17:
|
|
shlr16 r0
|
|
rts
|
|
shlr r0
|
|
|
|
lshrsi3_30:
|
|
shlr2 r0
|
|
lshrsi3_28:
|
|
shlr2 r0
|
|
lshrsi3_26:
|
|
shlr2 r0
|
|
lshrsi3_24:
|
|
shlr16 r0
|
|
rts
|
|
shlr8 r0
|
|
|
|
lshrsi3_31:
|
|
shlr2 r0
|
|
lshrsi3_29:
|
|
shlr2 r0
|
|
lshrsi3_27:
|
|
shlr2 r0
|
|
lshrsi3_25:
|
|
shlr16 r0
|
|
shlr8 r0
|
|
rts
|
|
shlr r0
|
|
|
|
lshrsi3_0:
|
|
rts
|
|
nop
|