| /* Copyright (C) 1996-2014 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| Contributed by Richard Henderson <rth@tamu.edu>. |
| |
| 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, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include "div_libc.h" |
| |
| #undef FRAME |
| #ifdef __alpha_fix__ |
| #define FRAME 0 |
| #else |
| #define FRAME 16 |
| #endif |
| |
| .set noat |
| |
| .align 4 |
| .globl div |
| .ent div |
| div: |
| .frame sp, FRAME, ra |
| #if FRAME > 0 |
| lda sp, -FRAME(sp) |
| #endif |
| #ifdef PROF |
| .set macro |
| ldgp gp, 0(pv) |
| lda AT, _mcount |
| jsr AT, (AT), _mcount |
| .set nomacro |
| .prologue 1 |
| #else |
| .prologue 0 |
| #endif |
| |
| beq $18, $divbyzero |
| excb |
| mf_fpcr $f10 |
| |
| _ITOFT2 $17, $f0, 0, $18, $f1, 8 |
| |
| cvtqt $f0, $f0 |
| cvtqt $f1, $f1 |
| divt/c $f0, $f1, $f0 |
| cvttq/c $f0, $f0 |
| excb |
| mt_fpcr $f10 |
| _FTOIT $f0, $0, 0 |
| |
| mull $0, $18, $1 |
| subl $17, $1, $1 |
| |
| stl $0, 0(a0) |
| stl $1, 4(a0) |
| mov a0, v0 |
| |
| #if FRAME > 0 |
| lda sp, FRAME(sp) |
| #endif |
| ret |
| |
| $divbyzero: |
| mov a0, v0 |
| lda a0, GEN_INTDIV |
| call_pal PAL_gentrap |
| stl zero, 0(v0) |
| stl zero, 4(v0) |
| |
| #if FRAME > 0 |
| lda sp, FRAME(sp) |
| #endif |
| ret |
| |
| .end div |
