diff options
Diffstat (limited to 'gcc-4.9/libgcc/config/arc/ieee-754/fixsfsi.S')
-rw-r--r-- | gcc-4.9/libgcc/config/arc/ieee-754/fixsfsi.S | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/gcc-4.9/libgcc/config/arc/ieee-754/fixsfsi.S b/gcc-4.9/libgcc/config/arc/ieee-754/fixsfsi.S new file mode 100644 index 0000000..56ab2fd --- /dev/null +++ b/gcc-4.9/libgcc/config/arc/ieee-754/fixsfsi.S @@ -0,0 +1,71 @@ +/* Copyright (C) 2008-2014 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 __fixsfsi + FUNC(__fixsfsi) + .balign 4 +__fixsfsi: + push_s blink + bl.d __fixsfsi_c + push_s r0 + ld_s r1,[sp] + st_s r0,[sp] + bl.d __fixsfsi_asm + mov_s r0,r1 + pop_s r1 + pop_s blink + cmp r0,r1 + jeq_s [blink] + bl abort + ENDFUNC(__fixsfsi) +#define __fixsfsi __fixsfsi_asm +#endif /* DEBUG */ + + .global __fixsfsi + FUNC(__fixsfsi) + .balign 4 +__fixsfsi: + bbit0 r0,30,.Lret0or1 + lsr r2,r0,23 + bmsk_s r0,r0,22 + bset_s r0,r0,23 + sub_s r2,r2,22;0x7f+23-0x80 + asl.f 0,r2,24 + neg r3,r2 + asl.mi r0,r0,r2 + lsr.pl r0,r0,r3 + j_s.d [blink] + neg.cs r0,r0 +.Lret0or1: + add.f r0,r0,0x800000 + lsr_s r0,r0,30 + + bmsk_s r0,r0,0 + j_s.d [blink] + neg.mi r0,r0 + ENDFUNC(__fixsfsi) |