diff options
Diffstat (limited to 'gcc-4.9/libgcc/config/epiphany/ieee-754/ordsf2.S')
| -rw-r--r-- | gcc-4.9/libgcc/config/epiphany/ieee-754/ordsf2.S | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/gcc-4.9/libgcc/config/epiphany/ieee-754/ordsf2.S b/gcc-4.9/libgcc/config/epiphany/ieee-754/ordsf2.S new file mode 100644 index 000000000..c0cfaec57 --- /dev/null +++ b/gcc-4.9/libgcc/config/epiphany/ieee-754/ordsf2.S @@ -0,0 +1,50 @@ +/* Copyright (C) 2008-2014 Free Software Foundation, Inc. + Contributed by Embecosm on behalf of Adapteva, 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 "../epiphany-asm.h" + + FSTAB (__ordsf2,T_INT) + .global SYM(__ordsf2) + .balign 8,,2 + HIDDEN_FUNC(__ordsf2) +SYM(__ordsf2): +#ifndef FLOAT_FORMAT_MOTOROLA + mov TMP0,0 + movt TMP0,0xff00 + lsl TMP1,r0,1 + sub TMP1,TMP1,TMP0 + bgtu .Lret + lsl TMP1,r1,1 + sub TMP1,TMP1,TMP0 +.Lret: rts /* ordered: lteu */ +#else + /* Assumption: NaNs have all bits 9..30 and one of bit 0..8 set. */ + lsl TMP0,r0,1 + add TMP0,TMP0,0x3fe + bgteu .Lret + lsl TMP0,r1,1 + add TMP0,TMP0,0x3fe +.Lret: rts /* ordered: ltu */ +#endif + ENDFUNC(__ordsf2) |