| xf.li | bdd93d5 | 2023-05-12 07:10:14 -0700 | [diff] [blame] | 1 | /* Copyright (C) 1996-2016 Free Software Foundation, Inc. |
| 2 | This file is part of the GNU C Library. |
| 3 | Contributed by Richard Henderson <rth@tamu.edu>. |
| 4 | |
| 5 | The GNU C Library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 of the License, or (at your option) any later version. |
| 9 | |
| 10 | The GNU C Library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with the GNU C Library. If not, see |
| 17 | <http://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | #include "div_libc.h" |
| 20 | |
| 21 | #undef FRAME |
| 22 | #ifdef __alpha_fix__ |
| 23 | #define FRAME 0 |
| 24 | #else |
| 25 | #define FRAME 16 |
| 26 | #endif |
| 27 | |
| 28 | .set noat |
| 29 | |
| 30 | .align 4 |
| 31 | .globl div |
| 32 | .ent div |
| 33 | div: |
| 34 | .frame sp, FRAME, ra |
| 35 | #if FRAME > 0 |
| 36 | lda sp, -FRAME(sp) |
| 37 | #endif |
| 38 | #ifdef PROF |
| 39 | .set macro |
| 40 | ldgp gp, 0(pv) |
| 41 | lda AT, _mcount |
| 42 | jsr AT, (AT), _mcount |
| 43 | .set nomacro |
| 44 | .prologue 1 |
| 45 | #else |
| 46 | .prologue 0 |
| 47 | #endif |
| 48 | |
| 49 | beq $18, $divbyzero |
| 50 | excb |
| 51 | mf_fpcr $f10 |
| 52 | |
| 53 | _ITOFT2 $17, $f0, 0, $18, $f1, 8 |
| 54 | |
| 55 | cvtqt $f0, $f0 |
| 56 | cvtqt $f1, $f1 |
| 57 | divt/c $f0, $f1, $f0 |
| 58 | cvttq/c $f0, $f0 |
| 59 | excb |
| 60 | mt_fpcr $f10 |
| 61 | _FTOIT $f0, $0, 0 |
| 62 | |
| 63 | mull $0, $18, $1 |
| 64 | subl $17, $1, $1 |
| 65 | |
| 66 | stl $0, 0(a0) |
| 67 | stl $1, 4(a0) |
| 68 | mov a0, v0 |
| 69 | |
| 70 | #if FRAME > 0 |
| 71 | lda sp, FRAME(sp) |
| 72 | #endif |
| 73 | ret |
| 74 | |
| 75 | $divbyzero: |
| 76 | mov a0, v0 |
| 77 | lda a0, GEN_INTDIV |
| 78 | call_pal PAL_gentrap |
| 79 | stl zero, 0(v0) |
| 80 | stl zero, 4(v0) |
| 81 | |
| 82 | #if FRAME > 0 |
| 83 | lda sp, FRAME(sp) |
| 84 | #endif |
| 85 | ret |
| 86 | |
| 87 | .end div |