diff options
Diffstat (limited to 'gcc-4.9/libgcc/config/arc/ieee-754/floatsisf.S')
-rw-r--r-- | gcc-4.9/libgcc/config/arc/ieee-754/floatsisf.S | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/gcc-4.9/libgcc/config/arc/ieee-754/floatsisf.S b/gcc-4.9/libgcc/config/arc/ieee-754/floatsisf.S new file mode 100644 index 000000000..0e35fe06a --- /dev/null +++ b/gcc-4.9/libgcc/config/arc/ieee-754/floatsisf.S @@ -0,0 +1,99 @@ +/* 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 __floatsisf + FUNC(__floatsisf) + .balign 4 +__floatsisf: + push_s blink + bl.d __floatsisf_c + push_s r0 + ld_s r1,[sp] + st_s r0,[sp] + bl.d __floatsisf_asm + mov_s r0,r1 + pop_s r1 + pop_s blink + cmp r0,r1 + jeq_s [blink] + bl abort + ENDFUNC(__floatsisf) + .global __floatunsisf + FUNC(__floatunsisf) + .balign 4 +__floatunsisf: + push_s blink + bl.d __floatunsisf_c + push_s r0 + ld_s r1,[sp] + st_s r0,[sp] + bl.d __floatunsisf_asm + mov_s r0,r1 + pop_s r1 + pop_s blink + cmp r0,r1 + jeq_s [blink] + bl abort + ENDFUNC(__floatunsisf) +#define __floatsisf __floatsisf_asm +#define __floatunsisf __floatunsisf_asm +#endif /* DEBUG */ + + .global __floatunsisf + .global __floatsisf + FUNC(__floatsisf) + FUNC(__floatunsisf) + .balign 4 +__floatunsisf: + lsr_s r2,r0 + mov_l r12,0x9d ; 0x7f + 31 - 1 + norm r2,r2 + brne_l r0,0,0f + j_s [blink] + .balign 4 +__floatsisf: + abs.f r0,r0 + jeq_s [blink] + lsr_s r2,r0 + mov_s r12,0x9d ; 0x7f + 31 - 1 + norm r2,r2 + bset.cs r12,r12,8 +0: rsub.f r3,r2,8 + bmsk r1,r0,r3 + ror r1,r1,r3 + lsr.pl r0,r0,r3 + neg_s r3,r3 + asl.mi r0,r0,r3 + sub_s r12,r12,r2 + asl_s r12,r12,23 + bxor.pl.f r1,r1,31 + add_s r0,r0,r12 + j_s.d [blink] + add.pnz r0,r0,1 + ENDFUNC(__floatunsisf) + ENDFUNC(__floatsisf) |