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-/* 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!
-
- The FPCR save/restore is due to the fact that the EV6 _will_ set FPCR_INE
- for cvttq/c even without /sui being set. It will not, however, properly
- raise the exception, so we don't have to worry about FPCR_INED being clear
- and so dying by SIGFPE. */
-
-#ifndef EXTEND
-#define EXTEND(S,D) sextl S, D
-#endif
-
- .text
- .align 4
- .globl __divl
- .type __divl, @funcnoplt
- .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)
- excb
- beq Y, DIVBYZERO
-
- stt $f1, 8(sp)
- stt $f2, 16(sp)
- cfi_rel_offset ($f0, 0)
- cfi_rel_offset ($f1, 8)
- cfi_rel_offset ($f2, 16)
- mf_fpcr $f2
-
- EXTEND (X, RV)
- EXTEND (Y, AT)
- _ITOFT2 RV, $f0, 24, AT, $f1, 32
- cvtqt $f0, $f0
- cvtqt $f1, $f1
- divt/c $f0, $f1, $f0
- cvttq/c $f0, $f0
- excb
- mt_fpcr $f2
- _FTOIT $f0, RV, 24
-
- ldt $f0, 0(sp)
- ldt $f1, 8(sp)
- ldt $f2, 16(sp)
- lda sp, FRAME(sp)
- cfi_restore ($f0)
- cfi_restore ($f1)
- cfi_restore ($f2)
- cfi_def_cfa_offset (0)
- sextl RV, RV
- ret $31, (RA), 1
-
- cfi_endproc
- .size __divl, .-__divl
-
- DO_DIVBYZERO