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/* Library functions.
Copyright (C) 2000, 2003, 2008, 2009 Free Software Foundation, Inc.
Contributed by Red Hat, 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 <frv-asm.h>
#ifdef L_cmpll
/* icc0 = __cmpll (long long a, long long b) */
.globl EXT(__cmpll)
.type EXT(__cmpll),@function
.text
.p2align 4
EXT(__cmpll):
cmp gr8, gr10, icc0
ckeq icc0, cc4
P(ccmp) gr9, gr11, cc4, 1
ret
.Lend:
.size EXT(__cmpll),.Lend-EXT(__cmpll)
#endif /* L_cmpll */
#ifdef L_cmpf
/* icc0 = __cmpf (float a, float b) */
/* Note, because this function returns the result in ICC0, it means it can't
handle NaNs. */
.globl EXT(__cmpf)
.type EXT(__cmpf),@function
.text
.p2align 4
EXT(__cmpf):
#ifdef __FRV_HARD_FLOAT__ /* floating point instructions available */
movgf gr8, fr0
P(movgf) gr9, fr1
setlos #1, gr8
fcmps fr0, fr1, fcc0
P(fcklt) fcc0, cc0
fckeq fcc0, cc1
csub gr0, gr8, gr8, cc0, 1
cmov gr0, gr8, cc1, 1
cmpi gr8, 0, icc0
ret
#else /* no floating point instructions available */
movsg lr, gr4
addi sp, #-16, sp
sti gr4, @(sp, 8)
st fp, @(sp, gr0)
mov sp, fp
call EXT(__cmpsf2)
cmpi gr8, #0, icc0
ldi @(sp, 8), gr4
movgs gr4, lr
ld @(sp,gr0), fp
addi sp, #16, sp
ret
#endif
.Lend:
.size EXT(__cmpf),.Lend-EXT(__cmpf)
#endif
#ifdef L_cmpd
/* icc0 = __cmpd (double a, double b) */
/* Note, because this function returns the result in ICC0, it means it can't
handle NaNs. */
.globl EXT(__cmpd)
.type EXT(__cmpd),@function
.text
.p2align 4
EXT(__cmpd):
movsg lr, gr4
addi sp, #-16, sp
sti gr4, @(sp, 8)
st fp, @(sp, gr0)
mov sp, fp
call EXT(__cmpdf2)
cmpi gr8, #0, icc0
ldi @(sp, 8), gr4
movgs gr4, lr
ld @(sp,gr0), fp
addi sp, #16, sp
ret
.Lend:
.size EXT(__cmpd),.Lend-EXT(__cmpd)
#endif
#ifdef L_addll
/* gr8,gr9 = __addll (long long a, long long b) */
/* Note, gcc will never call this function, but it is present in case an
ABI program calls it. */
.globl EXT(__addll)
.type EXT(__addll),@function
.text
.p2align
EXT(__addll):
addcc gr9, gr11, gr9, icc0
addx gr8, gr10, gr8, icc0
ret
.Lend:
.size EXT(__addll),.Lend-EXT(__addll)
#endif
#ifdef L_subll
/* gr8,gr9 = __subll (long long a, long long b) */
/* Note, gcc will never call this function, but it is present in case an
ABI program calls it. */
.globl EXT(__subll)
.type EXT(__subll),@function
.text
.p2align 4
EXT(__subll):
subcc gr9, gr11, gr9, icc0
subx gr8, gr10, gr8, icc0
ret
.Lend:
.size EXT(__subll),.Lend-EXT(__subll)
#endif
#ifdef L_andll
/* gr8,gr9 = __andll (long long a, long long b) */
/* Note, gcc will never call this function, but it is present in case an
ABI program calls it. */
.globl EXT(__andll)
.type EXT(__andll),@function
.text
.p2align 4
EXT(__andll):
P(and) gr9, gr11, gr9
P2(and) gr8, gr10, gr8
ret
.Lend:
.size EXT(__andll),.Lend-EXT(__andll)
#endif
#ifdef L_orll
/* gr8,gr9 = __orll (long long a, long long b) */
/* Note, gcc will never call this function, but it is present in case an
ABI program calls it. */
.globl EXT(__orll)
.type EXT(__orll),@function
.text
.p2align 4
EXT(__orll):
P(or) gr9, gr11, gr9
P2(or) gr8, gr10, gr8
ret
.Lend:
.size EXT(__orll),.Lend-EXT(__orll)
#endif
#ifdef L_xorll
/* gr8,gr9 = __xorll (long long a, long long b) */
/* Note, gcc will never call this function, but it is present in case an
ABI program calls it. */
.globl EXT(__xorll)
.type EXT(__xorll),@function
.text
.p2align 4
EXT(__xorll):
P(xor) gr9, gr11, gr9
P2(xor) gr8, gr10, gr8
ret
.Lend:
.size EXT(__xorll),.Lend-EXT(__xorll)
#endif
#ifdef L_notll
/* gr8,gr9 = __notll (long long a) */
/* Note, gcc will never call this function, but it is present in case an
ABI program calls it. */
.globl EXT(__notll)
.type EXT(__notll),@function
.text
.p2align 4
EXT(__notll):
P(not) gr9, gr9
P2(not) gr8, gr8
ret
.Lend:
.size EXT(__notll),.Lend-EXT(__notll)
#endif
#ifdef L_cmov
/* (void) __cmov (char *dest, const char *src, size_t len) */
/*
* void __cmov (char *dest, const char *src, size_t len)
* {
* size_t i;
*
* if (dest < src || dest > src+len)
* {
* for (i = 0; i < len; i++)
* dest[i] = src[i];
* }
* else
* {
* while (len-- > 0)
* dest[len] = src[len];
* }
* }
*/
.globl EXT(__cmov)
.type EXT(__cmov),@function
.text
.p2align 4
EXT(__cmov):
P(cmp) gr8, gr9, icc0
add gr9, gr10, gr4
P(cmp) gr8, gr4, icc1
bc icc0, 0, .Lfwd
bls icc1, 0, .Lback
.Lfwd:
/* move bytes in a forward direction */
P(setlos) #0, gr5
cmp gr0, gr10, icc0
P(subi) gr9, #1, gr9
P2(subi) gr8, #1, gr8
bnc icc0, 0, .Lret
.Lfloop:
/* forward byte move loop */
addi gr5, #1, gr5
P(ldsb) @(gr9, gr5), gr4
cmp gr5, gr10, icc0
P(stb) gr4, @(gr8, gr5)
bc icc0, 0, .Lfloop
ret
.Lbloop:
/* backward byte move loop body */
ldsb @(gr9,gr10),gr4
stb gr4,@(gr8,gr10)
.Lback:
P(cmpi) gr10, #0, icc0
addi gr10, #-1, gr10
bne icc0, 0, .Lbloop
.Lret:
ret
.Lend:
.size EXT(__cmov),.Lend-EXT(__cmov)
#endif
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