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/* Copyright (C) 2008, 2009 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"

        /* Assumptions: NaNs have all bits 10..30 and one of bit 0..9 set.
                        after sub: AC = ~Borrow.
           clobber: TMP0
           output: gt / gte indicates greater / greater or equal.  */

        FSTAB (__gtesf2,T_INT)
        .global SYM(__gtesf2)
        .balign 4
        HIDDEN_FUNC(__gtesf2)
SYM(__gtesf2):
#ifndef FLOAT_FORMAT_MOTOROLA
        mov     TMP0,0xffff
        movt    TMP0,0x7f
        add     TMP0,TMP0,r0
        eor     TMP0,TMP0,r0
        blt     .Lret
        mov     TMP0,0xffff
        movt    TMP0,0x7f
        add     TMP0,TMP0,r1
#else
        add     TMP0,r0,0x3ff; check for r0 NaN
        eor     TMP0,TMP0,r0
        blt     .Lret
        add     TMP0,r1,0x3ff; check for r1 NaN
#endif
        eor     TMP0,TMP0,r1
        blt     .Lret
        and     TMP0,r0,r1
        blt     .Lneg
        orr     TMP0,r0,r1
        lsl     TMP0,TMP0,1
        beq     .Lret
        sub     TMP0,r0,r1
.Lret:
        rts
        .balign 4
.Lneg:
        sub     TMP0,r1,r0
        rts
        ENDFUNC(__gtesf2)