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1/* Copyright (C) 2004-2019 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library. If not, see
16 <http://www.gnu.org/licenses/>. */
17
18#include "div_libc.h"
19
20/* 32-bit signed int divide. This is not a normal C function. Argument
21 registers are t10 and t11, the result goes in t12. Only t12 and AT may
22 be clobbered.
23
24 The FPU can handle all input values except zero. Whee!
25
26 The FPCR save/restore is due to the fact that the EV6 _will_ set FPCR_INE
27 for cvttq/c even without /sui being set. It will not, however, properly
28 raise the exception, so we don't have to worry about FPCR_INED being clear
29 and so dying by SIGFPE. */
30
31#ifndef EXTEND
32#define EXTEND(S,D) sextl S, D
33#endif
34
35 .text
36 .align 4
37 .globl __divl
38 .type __divl, @funcnoplt
39 .usepv __divl, no
40
41 cfi_startproc
42 cfi_return_column (RA)
43__divl:
44 lda sp, -FRAME(sp)
45 cfi_def_cfa_offset (FRAME)
46 CALL_MCOUNT
47 stt $f0, 0(sp)
48 excb
49 beq Y, DIVBYZERO
50
51 stt $f1, 8(sp)
52 stt $f2, 16(sp)
53 cfi_rel_offset ($f0, 0)
54 cfi_rel_offset ($f1, 8)
55 cfi_rel_offset ($f2, 16)
56 mf_fpcr $f2
57
58 EXTEND (X, RV)
59 EXTEND (Y, AT)
60 _ITOFT2 RV, $f0, 24, AT, $f1, 32
61 cvtqt $f0, $f0
62 cvtqt $f1, $f1
63 divt/c $f0, $f1, $f0
64 cvttq/c $f0, $f0
65 excb
66 mt_fpcr $f2
67 _FTOIT $f0, RV, 24
68
69 ldt $f0, 0(sp)
70 ldt $f1, 8(sp)
71 ldt $f2, 16(sp)
72 lda sp, FRAME(sp)
73 cfi_restore ($f0)
74 cfi_restore ($f1)
75 cfi_restore ($f2)
76 cfi_def_cfa_offset (0)
77 sextl RV, RV
78 ret $31, (RA), 1
79
80 cfi_endproc
81 .size __divl, .-__divl
82
83 DO_DIVBYZERO
84

Warning: That file was not part of the compilation database. It may have many parsing errors.