1/* Copyright (C) 2008-2020 Free Software Foundation, Inc. 2 Contributor: Joern Rennecke <joern.rennecke@embecosm.com> 3 on behalf of Synopsys Inc. 4 5This file is part of GCC. 6 7GCC is free software; you can redistribute it and/or modify it under 8the terms of the GNU General Public License as published by the Free 9Software Foundation; either version 3, or (at your option) any later 10version. 11 12GCC is distributed in the hope that it will be useful, but WITHOUT ANY 13WARRANTY; without even the implied warranty of MERCHANTABILITY or 14FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 15for more details. 16 17Under Section 7 of GPL version 3, you are granted additional 18permissions described in the GCC Runtime Library Exception, version 193.1, as published by the Free Software Foundation. 20 21You should have received a copy of the GNU General Public License and 22a copy of the GCC Runtime Library Exception along with this program; 23see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 24<http://www.gnu.org/licenses/>. */ 25 26#include "arc-ieee-754.h" 27 28#if 0 /* DEBUG */ 29 .global __floatunsidf 30 .balign 4 31 FUNC(__floatunsidf) 32__floatunsidf: 33 push_s blink 34 bl.d __floatunsidf_c 35 push_s r0 36 ld_s r2,[sp] 37 st_s r1,[sp] 38 push_s r0 39 bl.d __floatunsidf_asm 40 mov_s r0,r2 41 pop_s r2 42 pop_s r3 43 pop_s blink 44 cmp r0,r2 45 cmp.eq r1,r3 46 jeq_s [blink] 47 bl abort 48 ENDFUNC(__floatunsidf) 49#define __floatunsidf __floatunsidf_asm 50#endif /* DEBUG */ 51 52 .global __floatunsidf 53 .balign 4 54 FUNC(__floatunsidf) 55__floatunsidf: 56 lsr_s r1,r0 57 breq_s r0,0,.Lret0 58 norm r2,r1 59 mov r12,-0x41d ; -(0x3ff+31-1) 60 rsub.f r3,r2,11 61 add_s r12,r2,r12 62 add_s r2,r2,21 63#ifdef __LITTLE_ENDIAN__ 64 lsr DBL0H,r0,r3 65 asl_s DBL0L,r0,r2 66#else 67 asl DBL0L,r0,r2 68 lsr_s DBL0H,r0,r3 69#endif 70 asl_s r12,r12,20 71 mov.lo DBL0H,DBL0L 72 sub_s DBL0H,DBL0H,r12 73.Lret0: j_s.d [blink] 74 mov.ls DBL0L,0 75 ENDFUNC(__floatunsidf) 76