mirror of
git://sourceware.org/git/glibc.git
synced 2024-12-27 04:41:02 +08:00
de47cb7012
* sysdeps/alpha/divl.S, sysdeps/alpha/divq.S, sysdeps/alpha/divqu.S, sysdeps/alpha/reml.S, sysdeps/alpha/remq.S, sysdeps/alpha/remqu.S: Use them.
71 lines
1.8 KiB
ArmAsm
71 lines
1.8 KiB
ArmAsm
/* Copyright (C) 2004 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 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 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
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
#include "div_libc.h"
|
|
|
|
/* 32-bit signed int divide. This is not a normal C function. Argument
|
|
registers are t10 and t11, the result goes in t12. Only t12 and AT may
|
|
be clobbered.
|
|
|
|
The FPU can handle all input values except zero. Whee! */
|
|
|
|
#ifndef EXTEND
|
|
#define EXTEND(S,D) sextl S, D
|
|
#endif
|
|
|
|
.text
|
|
.align 4
|
|
.globl __divl
|
|
.type __divl, @function
|
|
.usepv __divl, no
|
|
|
|
cfi_startproc
|
|
cfi_return_column (RA)
|
|
__divl:
|
|
lda sp, -FRAME(sp)
|
|
cfi_def_cfa_offset (FRAME)
|
|
CALL_MCOUNT
|
|
stt $f0, 0(sp)
|
|
stt $f1, 8(sp)
|
|
beq Y, DIVBYZERO
|
|
cfi_rel_offset ($f0, 0)
|
|
cfi_rel_offset ($f1, 8)
|
|
|
|
EXTEND (X, RV)
|
|
EXTEND (Y, AT)
|
|
_ITOFT2 RV, $f0, 16, AT, $f1, 24
|
|
cvtqt $f0, $f0
|
|
cvtqt $f1, $f1
|
|
divt/c $f0, $f1, $f0
|
|
cvttq/c $f0, $f0
|
|
_FTOIT $f0, RV, 16
|
|
|
|
ldt $f0, 0(sp)
|
|
ldt $f1, 8(sp)
|
|
lda sp, FRAME(sp)
|
|
cfi_restore ($f0)
|
|
cfi_restore ($f1)
|
|
cfi_def_cfa_offset (0)
|
|
sextl RV, RV
|
|
ret $31, (RA), 1
|
|
|
|
cfi_endproc
|
|
.size __divl, .-__divl
|
|
|
|
DO_DIVBYZERO
|