mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
217 lines
4.2 KiB
217 lines
4.2 KiB
/* SPDX-License-Identifier: GPL-2.0+ WITH GCC-exception-2.0 |
|
|
|
Copyright (C) 1994, 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003, |
|
2004, 2005, 2006 |
|
Free Software Foundation, Inc. |
|
*/ |
|
|
|
!! 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)
|
|
|