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| /* Copyright (C) 1994, 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
| 2004, 2005, 2006
| Free Software Foundation, Inc.
|
| This file 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.
|
| In addition to the permissions in the GNU General Public License, the
| Free Software Foundation gives you unlimited permission to link the
| compiled version of this file into combinations with other programs,
| and to distribute those combinations without any restriction coming
| from the use of this file. (The General Public License restrictions
| do apply in other respects; for example, they cover modification of
| the file, and distribution when not linked into a combine
| executable.)
|
| This file 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 this program; see the file COPYING. If not, write to
| the Free Software Foundation, 51 Franklin Street, Fifth Floor,
| Boston, MA 02110-1301, USA. */
|
| !! libgcc routines for the Renesas / SuperH SH CPUs.
| !! Contributed by Steve Chamberlain.
| !! sac@cygnus.com
|
| !! ashiftrt_r4_x, ___ashrsi3, ___ashlsi3, ___lshrsi3 routines
| !! recoded in assembly by Toshiyasu Morita
| !! tm@netcom.com
|
| /* SH2 optimizations for ___ashrsi3, ___ashlsi3, ___lshrsi3 and
| ELF local label prefixes by J"orn Rennecke
| amylaar@cygnus.com */
|
| .text
| .balign 4
| .global __movmem
| .global __movstr
| .set __movstr, __movmem
| /* This would be a lot simpler if r6 contained the byte count
| minus 64, and we wouldn't be called here for a byte count of 64. */
| __movmem:
| sts.l pr,@-r15
| shll2 r6
| bsr __movmemSI52+2
| mov.l @(48,r5),r0
| .balign 4
| movmem_loop: /* Reached with rts */
| mov.l @(60,r5),r0
| add #-64,r6
| mov.l r0,@(60,r4)
| tst r6,r6
| mov.l @(56,r5),r0
| bt movmem_done
| mov.l r0,@(56,r4)
| cmp/pl r6
| mov.l @(52,r5),r0
| add #64,r5
| mov.l r0,@(52,r4)
| add #64,r4
| bt __movmemSI52
| ! done all the large groups, do the remainder
| ! jump to movmem+
| mova __movmemSI4+4,r0
| add r6,r0
| jmp @r0
| movmem_done: ! share slot insn, works out aligned.
| lds.l @r15+,pr
| mov.l r0,@(56,r4)
| mov.l @(52,r5),r0
| rts
| mov.l r0,@(52,r4)
| .balign 4
|
| .global __movmemSI64
| .global __movstrSI64
| .set __movstrSI64, __movmemSI64
| __movmemSI64:
| mov.l @(60,r5),r0
| mov.l r0,@(60,r4)
| .global __movmemSI60
| .global __movstrSI60
| .set __movstrSI60, __movmemSI60
| __movmemSI60:
| mov.l @(56,r5),r0
| mov.l r0,@(56,r4)
| .global __movmemSI56
| .global __movstrSI56
| .set __movstrSI56, __movmemSI56
| __movmemSI56:
| mov.l @(52,r5),r0
| mov.l r0,@(52,r4)
| .global __movmemSI52
| .global __movstrSI52
| .set __movstrSI52, __movmemSI52
| __movmemSI52:
| mov.l @(48,r5),r0
| mov.l r0,@(48,r4)
| .global __movmemSI48
| .global __movstrSI48
| .set __movstrSI48, __movmemSI48
| __movmemSI48:
| mov.l @(44,r5),r0
| mov.l r0,@(44,r4)
| .global __movmemSI44
| .global __movstrSI44
| .set __movstrSI44, __movmemSI44
| __movmemSI44:
| mov.l @(40,r5),r0
| mov.l r0,@(40,r4)
| .global __movmemSI40
| .global __movstrSI40
| .set __movstrSI40, __movmemSI40
| __movmemSI40:
| mov.l @(36,r5),r0
| mov.l r0,@(36,r4)
| .global __movmemSI36
| .global __movstrSI36
| .set __movstrSI36, __movmemSI36
| __movmemSI36:
| mov.l @(32,r5),r0
| mov.l r0,@(32,r4)
| .global __movmemSI32
| .global __movstrSI32
| .set __movstrSI32, __movmemSI32
| __movmemSI32:
| mov.l @(28,r5),r0
| mov.l r0,@(28,r4)
| .global __movmemSI28
| .global __movstrSI28
| .set __movstrSI28, __movmemSI28
| __movmemSI28:
| mov.l @(24,r5),r0
| mov.l r0,@(24,r4)
| .global __movmemSI24
| .global __movstrSI24
| .set __movstrSI24, __movmemSI24
| __movmemSI24:
| mov.l @(20,r5),r0
| mov.l r0,@(20,r4)
| .global __movmemSI20
| .global __movstrSI20
| .set __movstrSI20, __movmemSI20
| __movmemSI20:
| mov.l @(16,r5),r0
| mov.l r0,@(16,r4)
| .global __movmemSI16
| .global __movstrSI16
| .set __movstrSI16, __movmemSI16
| __movmemSI16:
| mov.l @(12,r5),r0
| mov.l r0,@(12,r4)
| .global __movmemSI12
| .global __movstrSI12
| .set __movstrSI12, __movmemSI12
| __movmemSI12:
| mov.l @(8,r5),r0
| mov.l r0,@(8,r4)
| .global __movmemSI8
| .global __movstrSI8
| .set __movstrSI8, __movmemSI8
| __movmemSI8:
| mov.l @(4,r5),r0
| mov.l r0,@(4,r4)
| .global __movmemSI4
| .global __movstrSI4
| .set __movstrSI4, __movmemSI4
| __movmemSI4:
| mov.l @(0,r5),r0
| rts
| mov.l r0,@(0,r4)
|
| .global __movmem_i4_even
| .global __movstr_i4_even
| .set __movstr_i4_even, __movmem_i4_even
|
| .global __movmem_i4_odd
| .global __movstr_i4_odd
| .set __movstr_i4_odd, __movmem_i4_odd
|
| .global __movmemSI12_i4
| .global __movstrSI12_i4
| .set __movstrSI12_i4, __movmemSI12_i4
|
| .p2align 5
| L_movmem_2mod4_end:
| mov.l r0,@(16,r4)
| rts
| mov.l r1,@(20,r4)
|
| .p2align 2
|
| __movmem_i4_even:
| mov.l @r5+,r0
| bra L_movmem_start_even
| mov.l @r5+,r1
|
| __movmem_i4_odd:
| mov.l @r5+,r1
| add #-4,r4
| mov.l @r5+,r2
| mov.l @r5+,r3
| mov.l r1,@(4,r4)
| mov.l r2,@(8,r4)
|
| L_movmem_loop:
| mov.l r3,@(12,r4)
| dt r6
| mov.l @r5+,r0
| bt/s L_movmem_2mod4_end
| mov.l @r5+,r1
| add #16,r4
| L_movmem_start_even:
| mov.l @r5+,r2
| mov.l @r5+,r3
| mov.l r0,@r4
| dt r6
| mov.l r1,@(4,r4)
| bf/s L_movmem_loop
| mov.l r2,@(8,r4)
| rts
| mov.l r3,@(12,r4)
|
| .p2align 4
| __movmemSI12_i4:
| mov.l @r5,r0
| mov.l @(4,r5),r1
| mov.l @(8,r5),r2
| mov.l r0,@r4
| mov.l r1,@(4,r4)
| rts
| mov.l r2,@(8,r4)
|
|
