gcc/libgcc/config/epiphany/ieee-754/ordsf2.S

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/* Copyright (C) 2008-2020 Free Software Foundation, Inc.
config.gcc (epiphany-*-*): New architecture. gcc: * config.gcc (epiphany-*-*): New architecture. (epiphany-*-elf): New configuration. * config/epiphany, common/config/epiphany : New directories. * doc/extend.texi (disinterrupt attribute): Add Epiphany. (interrupt attribute): Add Epiphany. (long_call, short_call attribute): Add Epiphany. * doc/invoke.texi (Options): Add Epiphany options. * doc/md.texi (Machine Constraints): Add Epiphany constraints. * doc/install.texi (Options specification): Add --with-stack-offset=@var{num} description. (host/target specific issues): Add epiphany-*-elf. * doc/contrib.texi (Contributors): Mention Epiphany port. gcc/testsuite: * gcc.c-torture/execute/ieee/mul-subnormal-single-1.x: Disable test on Epiphany. * gcc.c-torture/execute/20101011-1.c: Disable test on Epiphany. * gcc.dg/stack-usage-1.c [__epiphany__] (SIZE): Define. * gcc.dg/pragma-pack-3.c: Disable test on Epiphany. * g++.dg/parse/pragma3.C: Likewise. * stackalign/builtin-apply-2.c (STACK_ARGUMENTS_SIZE): Define. (bar): Use it. * gcc.dg/weak/typeof-2.c [epiphany-*-*]: Add option -mshort-calls. * gcc.dg/tls/thr-cse-1.c: Likewise. * g++.dg/opt/devirt2.C: Likewise. * gcc.dg/20020312-2.c [epiphany-*-*] (PIC_REG): Define. * gcc.dg/builtin-apply2.c [__epiphany__]: (STACK_ARGUMENTS_SIZE): 20. * gcc.target/epiphany: New directory. libgcc: * config.host (epiphany-*-elf*): New configuration. * config/epiphany: New Directory. contrib: * contrib-list.mk: Add Epiphany configurations. From-SVN: r181016
2011-11-05 21:48:23 +01:00
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)