| /* Copyright (C) 2008-2021 Free Software Foundation, Inc. |
| Contributor: Joern Rennecke <joern.rennecke@embecosm.com> |
| on behalf of Synopsys Inc. |
| |
| This file is part of GCC. |
| |
| GCC is free software; you can redistribute it and/or modify it under |
| the terms of the GNU General Public License as published by the Free |
| Software Foundation; either version 3, or (at your option) any later |
| version. |
| |
| GCC 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 General Public License |
| for more details. |
| |
| Under Section 7 of GPL version 3, you are granted additional |
| permissions described in the GCC Runtime Library Exception, version |
| 3.1, as published by the Free Software Foundation. |
| |
| You should have received a copy of the GNU General Public License and |
| a copy of the GCC Runtime Library Exception along with this program; |
| see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include "arc-ieee-754.h" |
| |
| #if 0 /* DEBUG */ |
| .global __floatsidf |
| .balign 4 |
| FUNC(__floatsidf) |
| __floatsidf: |
| push_s blink |
| bl.d __floatsidf_c |
| push_s r0 |
| ld_s r2,[sp] |
| st_s r1,[sp] |
| push_s r0 |
| bl.d __floatsidf_asm |
| mov_s r0,r2 |
| pop_s r2 |
| pop_s r3 |
| pop_s blink |
| cmp r0,r2 |
| cmp.eq r1,r3 |
| jeq_s [blink] |
| bl abort |
| ENDFUNC(__floatsidf) |
| #define __floatsidf __floatsidf_asm |
| #endif /* DEBUG */ |
| |
| .global __floatsidf |
| .balign 4 |
| FUNC(__floatsidf) |
| __floatsidf: |
| abs.f r1,r0 |
| jeq_s [blink] |
| lsr r2,r1 |
| mov r12,-0x41d ; -(0x3ff+31-1) |
| norm r2,r2 |
| bclr.cs r12,r12,11 |
| rsub.f r3,r2,11 |
| add_s r12,r2,r12 |
| add_s r2,r2,21 |
| #ifdef __LITTLE_ENDIAN__ |
| asl DBL0L,r1,r2 |
| lsr_s DBL0H,r1,r3 |
| #else |
| lsr DBL0H,r1,r3 |
| asl_s DBL0L,r1,r2 |
| #endif |
| asl_s r12,r12,20 |
| mov.lo DBL0H,DBL0L |
| sub_s DBL0H,DBL0H,r12 |
| j_s.d [blink] |
| mov.ls DBL0L,0 |
| ENDFUNC(__floatsidf) |
