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/* Library functions.
Copyright (C) 2000, 2003 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 2, 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.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to
the Free Software Foundation, 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA. */
/* As a special exception, if you link this library with other files,
some of which are compiled with GCC, to produce an executable,
this library does not by itself cause the resulting executable
to be covered by the GNU General Public License.
This exception does not however invalidate any other reasons why
the executable file might be covered by the GNU General Public License. */
#include <frv-asm.h>
#ifdef L_cmpll
/* icc0 = __cmpll (long long a, long long b) */
.file "_cmpll.s"
.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. */
.file "_cmpf.s"
.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. */
.file "_cmpd.s"
.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. */
.file "_addll.s"
.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. */
.file "_subll.s"
.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. */
.file "_andll.s"
.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. */
.file "_orll.s"
.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. */
.file "_xorll.s"
.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. */
.file "_notll.s"
.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];
* }
* }
*/
.file "_cmov.s"
.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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