projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| dff8da6b | 1 | /* Copyright (C) 1996-2024 Free Software Foundation, Inc. |
| 60c74cf0 UD |
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 | |
| 3214b89b AJ |
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. | |
| 60c74cf0 UD |
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 | |
| 3214b89b | 12 | Lesser General Public License for more details. |
| 60c74cf0 | 13 | |
| 3214b89b | 14 | You should have received a copy of the GNU Lesser General Public |
| ab84e3ff | 15 | License along with the GNU C Library. If not, see |
| 5a82c748 | 16 | <https://www.gnu.org/licenses/>. */ |
| 60c74cf0 | 17 | |
| bd68d850 | 18 | #include "div_libc.h" |
| 60c74cf0 | 19 | |
| bd68d850 RH |
20 | #undef FRAME |
| 21 | #ifdef __alpha_fix__ | |
| 22 | #define FRAME 0 | |
| 60c74cf0 | 23 | #else |
| bd68d850 | 24 | #define FRAME 16 |
| 60c74cf0 UD |
25 | #endif |
| 26 | ||
| 27 | .set noat | |
| 28 | ||
| 29 | .align 4 | |
| 30 | .globl div | |
| 31 | .ent div | |
| 32 | div: | |
| bd68d850 RH |
33 | .frame sp, FRAME, ra |
| 34 | #if FRAME > 0 | |
| 35 | lda sp, -FRAME(sp) | |
| 36 | #endif | |
| 60c74cf0 | 37 | #ifdef PROF |
| bd68d850 | 38 | .set macro |
| 60c74cf0 UD |
39 | ldgp gp, 0(pv) |
| 40 | lda AT, _mcount | |
| 41 | jsr AT, (AT), _mcount | |
| bd68d850 | 42 | .set nomacro |
| 60c74cf0 UD |
43 | .prologue 1 |
| 44 | #else | |
| 45 | .prologue 0 | |
| 46 | #endif | |
| 47 | ||
| bd68d850 | 48 | beq $18, $divbyzero |
| a61c91b0 RH |
49 | excb |
| 50 | mf_fpcr $f10 | |
| bd68d850 RH |
51 | |
| 52 | _ITOFT2 $17, $f0, 0, $18, $f1, 8 | |
| 53 | ||
| 54 | cvtqt $f0, $f0 | |
| 55 | cvtqt $f1, $f1 | |
| 56 | divt/c $f0, $f1, $f0 | |
| 57 | cvttq/c $f0, $f0 | |
| a61c91b0 RH |
58 | excb |
| 59 | mt_fpcr $f10 | |
| bd68d850 RH |
60 | _FTOIT $f0, $0, 0 |
| 61 | ||
| 62 | mull $0, $18, $1 | |
| 63 | subl $17, $1, $1 | |
| 64 | ||
| 65 | stl $0, 0(a0) | |
| 66 | stl $1, 4(a0) | |
| 67 | mov a0, v0 | |
| 68 | ||
| 69 | #if FRAME > 0 | |
| 70 | lda sp, FRAME(sp) | |
| 71 | #endif | |
| 72 | ret | |
| 60c74cf0 UD |
73 | |
| 74 | $divbyzero: | |
| 75 | mov a0, v0 | |
| bd68d850 | 76 | lda a0, GEN_INTDIV |
| 60c74cf0 | 77 | call_pal PAL_gentrap |
| 60c74cf0 UD |
78 | stl zero, 0(v0) |
| 79 | stl zero, 4(v0) | |
| bd68d850 RH |
80 | |
| 81 | #if FRAME > 0 | |
| 82 | lda sp, FRAME(sp) | |
| 83 | #endif | |
| 60c74cf0 UD |
84 | ret |
| 85 | ||
| 86 | .end div |