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2004-07-30 Richard Henderson <rth@redhat.com> * sysdeps/alpha/divq.S: Save t3 before it gets clobbered. * sysdeps/alpha/remq.S: Likewise. * sysdeps/alpha/div.S, sysdeps/alpha/ldiv.S: Rewrite with the new division algorithms in divl.S and divq.S respectively.
86 lines
1.7 KiB
ArmAsm
86 lines
1.7 KiB
ArmAsm
/* Copyright (C) 1996, 1997, 2004 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Richard Henderson <rth@tamu.edu>.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include "div_libc.h"
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#undef FRAME
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#ifdef __alpha_fix__
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#define FRAME 0
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#else
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#define FRAME 16
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#endif
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.set noat
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.align 4
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.globl div
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.ent div
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div:
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.frame sp, FRAME, ra
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#if FRAME > 0
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lda sp, -FRAME(sp)
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#endif
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#ifdef PROF
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.set macro
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ldgp gp, 0(pv)
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lda AT, _mcount
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jsr AT, (AT), _mcount
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.set nomacro
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.prologue 1
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#else
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.prologue 0
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#endif
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beq $18, $divbyzero
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_ITOFT2 $17, $f0, 0, $18, $f1, 8
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cvtqt $f0, $f0
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cvtqt $f1, $f1
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divt/c $f0, $f1, $f0
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cvttq/c $f0, $f0
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_FTOIT $f0, $0, 0
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mull $0, $18, $1
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subl $17, $1, $1
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stl $0, 0(a0)
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stl $1, 4(a0)
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mov a0, v0
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#if FRAME > 0
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lda sp, FRAME(sp)
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#endif
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ret
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$divbyzero:
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mov a0, v0
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lda a0, GEN_INTDIV
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call_pal PAL_gentrap
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stl zero, 0(v0)
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stl zero, 4(v0)
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#if FRAME > 0
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lda sp, FRAME(sp)
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#endif
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ret
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.end div
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