270 lines
5.8 KiB
NASM
270 lines
5.8 KiB
NASM
/* 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
|