diff options
| author | Heiko Schocher <heiko.schocher@invitel.hu> | 2009-07-23 13:27:04 +0200 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2009-07-27 00:11:37 +0200 |
| commit | deec15b3064d3bb0189aede3c2921fd7ee401a0f (patch) | |
| tree | 6c45d7ee77309f7930c6714f157ba04ea58f5964 | |
| parent | 52b1bf2c5cd2f8af880dab503d0039b35570665b (diff) | |
arm: add _lshrdi3.S
Signed-off-by: Heiko Schocher <hs@denx.de>
| -rw-r--r-- | lib_arm/Makefile | 1 | ||||
| -rw-r--r-- | lib_arm/_lshrdi3.S | 46 |
2 files changed, 47 insertions, 0 deletions
diff --git a/lib_arm/Makefile b/lib_arm/Makefile index 241782c177a..c37e2e0d8a9 100644 --- a/lib_arm/Makefile +++ b/lib_arm/Makefile @@ -29,6 +29,7 @@ LIBGCC = $(obj)libgcc.a GLSOBJS += _ashldi3.o GLSOBJS += _ashrdi3.o GLSOBJS += _divsi3.o +GLSOBJS += _lshrdi3.o GLSOBJS += _modsi3.o GLSOBJS += _udivsi3.o GLSOBJS += _umodsi3.o diff --git a/lib_arm/_lshrdi3.S b/lib_arm/_lshrdi3.S new file mode 100644 index 00000000000..fabfd9f0c3c --- /dev/null +++ b/lib_arm/_lshrdi3.S @@ -0,0 +1,46 @@ +/* Copyright 1995, 1996, 1998, 1999, 2000, 2003, 2004, 2005 + 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. */ + + +#ifdef __ARMEB__ +#define al r1 +#define ah r0 +#else +#define al r0 +#define ah r1 +#endif + +.globl __lshrdi3 +__lshrdi3: + + subs r3, r2, #32 + rsb ip, r2, #32 + movmi al, al, lsr r2 + movpl al, ah, lsr r3 + orrmi al, al, ah, lsl ip + mov ah, ah, lsr r2 + mov pc, lr |