688 lines
12 KiB
ArmAsm
688 lines
12 KiB
ArmAsm
|
/*
|
||
|
|
* CDDL HEADER START
|
||
|
|
*
|
||
|
|
* The contents of this file are subject to the terms of the
|
||
|
|
* Common Development and Distribution License (the "License").
|
||
|
|
* You may not use this file except in compliance with the License.
|
||
|
|
*
|
||
|
|
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
|
||
|
|
* or http://www.opensolaris.org/os/licensing.
|
||
|
|
* See the License for the specific language governing permissions
|
||
|
|
* and limitations under the License.
|
||
|
|
*
|
||
|
|
* When distributing Covered Code, include this CDDL HEADER in each
|
||
|
|
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
|
||
|
|
* If applicable, add the following below this CDDL HEADER, with the
|
||
|
|
* fields enclosed by brackets "[]" replaced with your own identifying
|
||
|
|
* information: Portions Copyright [yyyy] [name of copyright owner]
|
||
|
|
*
|
||
|
|
* CDDL HEADER END
|
||
|
|
*/
|
||
|
|
/*
|
||
|
|
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
|
||
|
|
* Use is subject to license terms.
|
||
|
|
*/
|
||
|
|
|
||
|
|
.ident "%Z%%M% %I% %E% SMI"
|
||
|
|
|
||
|
|
.file "%M%"
|
||
|
|
|
||
|
|
#define _ASM
|
||
|
|
#include <ia32/sys/asm_linkage.h>
|
||
|
|
|
||
|
|
ENTRY(atomic_inc_8)
|
||
|
|
ALTENTRY(atomic_inc_uchar)
|
||
|
|
lock
|
||
|
|
incb (%rdi)
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_inc_uchar)
|
||
|
|
SET_SIZE(atomic_inc_8)
|
||
|
|
|
||
|
|
ENTRY(atomic_inc_16)
|
||
|
|
ALTENTRY(atomic_inc_ushort)
|
||
|
|
lock
|
||
|
|
incw (%rdi)
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_inc_ushort)
|
||
|
|
SET_SIZE(atomic_inc_16)
|
||
|
|
|
||
|
|
ENTRY(atomic_inc_32)
|
||
|
|
ALTENTRY(atomic_inc_uint)
|
||
|
|
lock
|
||
|
|
incl (%rdi)
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_inc_uint)
|
||
|
|
SET_SIZE(atomic_inc_32)
|
||
|
|
|
||
|
|
ENTRY(atomic_inc_64)
|
||
|
|
ALTENTRY(atomic_inc_ulong)
|
||
|
|
lock
|
||
|
|
incq (%rdi)
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_inc_ulong)
|
||
|
|
SET_SIZE(atomic_inc_64)
|
||
|
|
|
||
|
|
ENTRY(atomic_inc_8_nv)
|
||
|
|
ALTENTRY(atomic_inc_uchar_nv)
|
||
|
|
movb (%rdi), %al
|
||
|
|
1:
|
||
|
|
leaq 1(%rax), %rcx
|
||
|
|
lock
|
||
|
|
cmpxchgb %cl, (%rdi)
|
||
|
|
jne 1b
|
||
|
|
movzbl %cl, %eax
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_inc_uchar_nv)
|
||
|
|
SET_SIZE(atomic_inc_8_nv)
|
||
|
|
|
||
|
|
ENTRY(atomic_inc_16_nv)
|
||
|
|
ALTENTRY(atomic_inc_ushort_nv)
|
||
|
|
movw (%rdi), %ax
|
||
|
|
1:
|
||
|
|
leaq 1(%rax), %rcx
|
||
|
|
lock
|
||
|
|
cmpxchgw %cx, (%rdi)
|
||
|
|
jne 1b
|
||
|
|
movzwl %cx, %eax
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_inc_ushort_nv)
|
||
|
|
SET_SIZE(atomic_inc_16_nv)
|
||
|
|
|
||
|
|
ENTRY(atomic_inc_32_nv)
|
||
|
|
ALTENTRY(atomic_inc_uint_nv)
|
||
|
|
movl (%rdi), %eax
|
||
|
|
1:
|
||
|
|
leaq 1(%rax), %rcx
|
||
|
|
lock
|
||
|
|
cmpxchgl %ecx, (%rdi)
|
||
|
|
jne 1b
|
||
|
|
movl %ecx, %eax
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_inc_uint_nv)
|
||
|
|
SET_SIZE(atomic_inc_32_nv)
|
||
|
|
|
||
|
|
ENTRY(atomic_inc_64_nv)
|
||
|
|
ALTENTRY(atomic_inc_ulong_nv)
|
||
|
|
movq (%rdi), %rax
|
||
|
|
1:
|
||
|
|
leaq 1(%rax), %rcx
|
||
|
|
lock
|
||
|
|
cmpxchgq %rcx, (%rdi)
|
||
|
|
jne 1b
|
||
|
|
movq %rcx, %rax
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_inc_ulong_nv)
|
||
|
|
SET_SIZE(atomic_inc_64_nv)
|
||
|
|
|
||
|
|
ENTRY(atomic_dec_8)
|
||
|
|
ALTENTRY(atomic_dec_uchar)
|
||
|
|
lock
|
||
|
|
decb (%rdi)
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_dec_uchar)
|
||
|
|
SET_SIZE(atomic_dec_8)
|
||
|
|
|
||
|
|
ENTRY(atomic_dec_16)
|
||
|
|
ALTENTRY(atomic_dec_ushort)
|
||
|
|
lock
|
||
|
|
decw (%rdi)
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_dec_ushort)
|
||
|
|
SET_SIZE(atomic_dec_16)
|
||
|
|
|
||
|
|
ENTRY(atomic_dec_32)
|
||
|
|
ALTENTRY(atomic_dec_uint)
|
||
|
|
lock
|
||
|
|
decl (%rdi)
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_dec_uint)
|
||
|
|
SET_SIZE(atomic_dec_32)
|
||
|
|
|
||
|
|
ENTRY(atomic_dec_64)
|
||
|
|
ALTENTRY(atomic_dec_ulong)
|
||
|
|
lock
|
||
|
|
decq (%rdi)
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_dec_ulong)
|
||
|
|
SET_SIZE(atomic_dec_64)
|
||
|
|
|
||
|
|
ENTRY(atomic_dec_8_nv)
|
||
|
|
ALTENTRY(atomic_dec_uchar_nv)
|
||
|
|
movb (%rdi), %al
|
||
|
|
1:
|
||
|
|
leaq -1(%rax), %rcx
|
||
|
|
lock
|
||
|
|
cmpxchgb %cl, (%rdi)
|
||
|
|
jne 1b
|
||
|
|
movzbl %cl, %eax
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_dec_uchar_nv)
|
||
|
|
SET_SIZE(atomic_dec_8_nv)
|
||
|
|
|
||
|
|
ENTRY(atomic_dec_16_nv)
|
||
|
|
ALTENTRY(atomic_dec_ushort_nv)
|
||
|
|
movw (%rdi), %ax
|
||
|
|
1:
|
||
|
|
leaq -1(%rax), %rcx
|
||
|
|
lock
|
||
|
|
cmpxchgw %cx, (%rdi)
|
||
|
|
jne 1b
|
||
|
|
movzwl %cx, %eax
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_dec_ushort_nv)
|
||
|
|
SET_SIZE(atomic_dec_16_nv)
|
||
|
|
|
||
|
|
ENTRY(atomic_dec_32_nv)
|
||
|
|
ALTENTRY(atomic_dec_uint_nv)
|
||
|
|
movl (%rdi), %eax
|
||
|
|
1:
|
||
|
|
leaq -1(%rax), %rcx
|
||
|
|
lock
|
||
|
|
cmpxchgl %ecx, (%rdi)
|
||
|
|
jne 1b
|
||
|
|
movl %ecx, %eax
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_dec_uint_nv)
|
||
|
|
SET_SIZE(atomic_dec_32_nv)
|
||
|
|
|
||
|
|
ENTRY(atomic_dec_64_nv)
|
||
|
|
ALTENTRY(atomic_dec_ulong_nv)
|
||
|
|
movq (%rdi), %rax
|
||
|
|
1:
|
||
|
|
leaq -1(%rax), %rcx
|
||
|
|
lock
|
||
|
|
cmpxchgq %rcx, (%rdi)
|
||
|
|
jne 1b
|
||
|
|
movq %rcx, %rax
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_dec_ulong_nv)
|
||
|
|
SET_SIZE(atomic_dec_64_nv)
|
||
|
|
|
||
|
|
ENTRY(atomic_add_8)
|
||
|
|
ALTENTRY(atomic_add_char)
|
||
|
|
lock
|
||
|
|
addb %sil, (%rdi)
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_add_char)
|
||
|
|
SET_SIZE(atomic_add_8)
|
||
|
|
|
||
|
|
ENTRY(atomic_add_16)
|
||
|
|
ALTENTRY(atomic_add_short)
|
||
|
|
lock
|
||
|
|
addw %si, (%rdi)
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_add_short)
|
||
|
|
SET_SIZE(atomic_add_16)
|
||
|
|
|
||
|
|
ENTRY(atomic_add_32)
|
||
|
|
ALTENTRY(atomic_add_int)
|
||
|
|
lock
|
||
|
|
addl %esi, (%rdi)
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_add_int)
|
||
|
|
SET_SIZE(atomic_add_32)
|
||
|
|
|
||
|
|
ENTRY(atomic_add_64)
|
||
|
|
ALTENTRY(atomic_add_ptr)
|
||
|
|
ALTENTRY(atomic_add_long)
|
||
|
|
lock
|
||
|
|
addq %rsi, (%rdi)
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_add_long)
|
||
|
|
SET_SIZE(atomic_add_ptr)
|
||
|
|
SET_SIZE(atomic_add_64)
|
||
|
|
|
||
|
|
ENTRY(atomic_sub_8)
|
||
|
|
ALTENTRY(atomic_sub_char)
|
||
|
|
lock
|
||
|
|
subb %sil, (%rdi)
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_sub_char)
|
||
|
|
SET_SIZE(atomic_sub_8)
|
||
|
|
|
||
|
|
ENTRY(atomic_sub_16)
|
||
|
|
ALTENTRY(atomic_sub_short)
|
||
|
|
lock
|
||
|
|
subw %si, (%rdi)
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_sub_short)
|
||
|
|
SET_SIZE(atomic_sub_16)
|
||
|
|
|
||
|
|
ENTRY(atomic_sub_32)
|
||
|
|
ALTENTRY(atomic_sub_int)
|
||
|
|
lock
|
||
|
|
subl %esi, (%rdi)
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_sub_int)
|
||
|
|
SET_SIZE(atomic_sub_32)
|
||
|
|
|
||
|
|
ENTRY(atomic_sub_64)
|
||
|
|
ALTENTRY(atomic_sub_ptr)
|
||
|
|
ALTENTRY(atomic_sub_long)
|
||
|
|
lock
|
||
|
|
subq %rsi, (%rdi)
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_sub_long)
|
||
|
|
SET_SIZE(atomic_sub_ptr)
|
||
|
|
SET_SIZE(atomic_sub_64)
|
||
|
|
|
||
|
|
ENTRY(atomic_or_8)
|
||
|
|
ALTENTRY(atomic_or_uchar)
|
||
|
|
lock
|
||
|
|
orb %sil, (%rdi)
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_or_uchar)
|
||
|
|
SET_SIZE(atomic_or_8)
|
||
|
|
|
||
|
|
ENTRY(atomic_or_16)
|
||
|
|
ALTENTRY(atomic_or_ushort)
|
||
|
|
lock
|
||
|
|
orw %si, (%rdi)
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_or_ushort)
|
||
|
|
SET_SIZE(atomic_or_16)
|
||
|
|
|
||
|
|
ENTRY(atomic_or_32)
|
||
|
|
ALTENTRY(atomic_or_uint)
|
||
|
|
lock
|
||
|
|
orl %esi, (%rdi)
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_or_uint)
|
||
|
|
SET_SIZE(atomic_or_32)
|
||
|
|
|
||
|
|
ENTRY(atomic_or_64)
|
||
|
|
ALTENTRY(atomic_or_ulong)
|
||
|
|
lock
|
||
|
|
orq %rsi, (%rdi)
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_or_ulong)
|
||
|
|
SET_SIZE(atomic_or_64)
|
||
|
|
|
||
|
|
ENTRY(atomic_and_8)
|
||
|
|
ALTENTRY(atomic_and_uchar)
|
||
|
|
lock
|
||
|
|
andb %sil, (%rdi)
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_and_uchar)
|
||
|
|
SET_SIZE(atomic_and_8)
|
||
|
|
|
||
|
|
ENTRY(atomic_and_16)
|
||
|
|
ALTENTRY(atomic_and_ushort)
|
||
|
|
lock
|
||
|
|
andw %si, (%rdi)
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_and_ushort)
|
||
|
|
SET_SIZE(atomic_and_16)
|
||
|
|
|
||
|
|
ENTRY(atomic_and_32)
|
||
|
|
ALTENTRY(atomic_and_uint)
|
||
|
|
lock
|
||
|
|
andl %esi, (%rdi)
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_and_uint)
|
||
|
|
SET_SIZE(atomic_and_32)
|
||
|
|
|
||
|
|
ENTRY(atomic_and_64)
|
||
|
|
ALTENTRY(atomic_and_ulong)
|
||
|
|
lock
|
||
|
|
andq %rsi, (%rdi)
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_and_ulong)
|
||
|
|
SET_SIZE(atomic_and_64)
|
||
|
|
|
||
|
|
ENTRY(atomic_add_8_nv)
|
||
|
|
ALTENTRY(atomic_add_char_nv)
|
||
|
|
movb (%rdi), %al
|
||
|
|
1:
|
||
|
|
movb %sil, %cl
|
||
|
|
addb %al, %cl
|
||
|
|
lock
|
||
|
|
cmpxchgb %cl, (%rdi)
|
||
|
|
jne 1b
|
||
|
|
movzbl %cl, %eax
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_add_char_nv)
|
||
|
|
SET_SIZE(atomic_add_8_nv)
|
||
|
|
|
||
|
|
ENTRY(atomic_add_16_nv)
|
||
|
|
ALTENTRY(atomic_add_short_nv)
|
||
|
|
movw (%rdi), %ax
|
||
|
|
1:
|
||
|
|
movw %si, %cx
|
||
|
|
addw %ax, %cx
|
||
|
|
lock
|
||
|
|
cmpxchgw %cx, (%rdi)
|
||
|
|
jne 1b
|
||
|
|
movzwl %cx, %eax
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_add_short_nv)
|
||
|
|
SET_SIZE(atomic_add_16_nv)
|
||
|
|
|
||
|
|
ENTRY(atomic_add_32_nv)
|
||
|
|
ALTENTRY(atomic_add_int_nv)
|
||
|
|
movl (%rdi), %eax
|
||
|
|
1:
|
||
|
|
movl %esi, %ecx
|
||
|
|
addl %eax, %ecx
|
||
|
|
lock
|
||
|
|
cmpxchgl %ecx, (%rdi)
|
||
|
|
jne 1b
|
||
|
|
movl %ecx, %eax
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_add_int_nv)
|
||
|
|
SET_SIZE(atomic_add_32_nv)
|
||
|
|
|
||
|
|
ENTRY(atomic_add_64_nv)
|
||
|
|
ALTENTRY(atomic_add_ptr_nv)
|
||
|
|
ALTENTRY(atomic_add_long_nv)
|
||
|
|
movq (%rdi), %rax
|
||
|
|
1:
|
||
|
|
movq %rsi, %rcx
|
||
|
|
addq %rax, %rcx
|
||
|
|
lock
|
||
|
|
cmpxchgq %rcx, (%rdi)
|
||
|
|
jne 1b
|
||
|
|
movq %rcx, %rax
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_add_long_nv)
|
||
|
|
SET_SIZE(atomic_add_ptr_nv)
|
||
|
|
SET_SIZE(atomic_add_64_nv)
|
||
|
|
|
||
|
|
ENTRY(atomic_sub_8_nv)
|
||
|
|
ALTENTRY(atomic_sub_char_nv)
|
||
|
|
movb (%rdi), %al
|
||
|
|
1:
|
||
|
|
movb %sil, %cl
|
||
|
|
subb %al, %cl
|
||
|
|
lock
|
||
|
|
cmpxchgb %cl, (%rdi)
|
||
|
|
jne 1b
|
||
|
|
movzbl %cl, %eax
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_sub_char_nv)
|
||
|
|
SET_SIZE(atomic_sub_8_nv)
|
||
|
|
|
||
|
|
ENTRY(atomic_sub_16_nv)
|
||
|
|
ALTENTRY(atomic_sub_short_nv)
|
||
|
|
movw (%rdi), %ax
|
||
|
|
1:
|
||
|
|
movw %si, %cx
|
||
|
|
subw %ax, %cx
|
||
|
|
lock
|
||
|
|
cmpxchgw %cx, (%rdi)
|
||
|
|
jne 1b
|
||
|
|
movzwl %cx, %eax
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_sub_short_nv)
|
||
|
|
SET_SIZE(atomic_sub_16_nv)
|
||
|
|
|
||
|
|
ENTRY(atomic_sub_32_nv)
|
||
|
|
ALTENTRY(atomic_sub_int_nv)
|
||
|
|
movl (%rdi), %eax
|
||
|
|
1:
|
||
|
|
movl %esi, %ecx
|
||
|
|
subl %eax, %ecx
|
||
|
|
lock
|
||
|
|
cmpxchgl %ecx, (%rdi)
|
||
|
|
jne 1b
|
||
|
|
movl %ecx, %eax
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_sub_int_nv)
|
||
|
|
SET_SIZE(atomic_sub_32_nv)
|
||
|
|
|
||
|
|
ENTRY(atomic_sub_64_nv)
|
||
|
|
ALTENTRY(atomic_sub_ptr_nv)
|
||
|
|
ALTENTRY(atomic_sub_long_nv)
|
||
|
|
movq (%rdi), %rax
|
||
|
|
1:
|
||
|
|
movq %rsi, %rcx
|
||
|
|
subq %rax, %rcx
|
||
|
|
lock
|
||
|
|
cmpxchgq %rcx, (%rdi)
|
||
|
|
jne 1b
|
||
|
|
movq %rcx, %rax
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_sub_long_nv)
|
||
|
|
SET_SIZE(atomic_sub_ptr_nv)
|
||
|
|
SET_SIZE(atomic_sub_64_nv)
|
||
|
|
|
||
|
|
ENTRY(atomic_and_8_nv)
|
||
|
|
ALTENTRY(atomic_and_uchar_nv)
|
||
|
|
movb (%rdi), %al
|
||
|
|
1:
|
||
|
|
movb %sil, %cl
|
||
|
|
andb %al, %cl
|
||
|
|
lock
|
||
|
|
cmpxchgb %cl, (%rdi)
|
||
|
|
jne 1b
|
||
|
|
movzbl %cl, %eax
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_and_uchar_nv)
|
||
|
|
SET_SIZE(atomic_and_8_nv)
|
||
|
|
|
||
|
|
ENTRY(atomic_and_16_nv)
|
||
|
|
ALTENTRY(atomic_and_ushort_nv)
|
||
|
|
movw (%rdi), %ax
|
||
|
|
1:
|
||
|
|
movw %si, %cx
|
||
|
|
andw %ax, %cx
|
||
|
|
lock
|
||
|
|
cmpxchgw %cx, (%rdi)
|
||
|
|
jne 1b
|
||
|
|
movzwl %cx, %eax
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_and_ushort_nv)
|
||
|
|
SET_SIZE(atomic_and_16_nv)
|
||
|
|
|
||
|
|
ENTRY(atomic_and_32_nv)
|
||
|
|
ALTENTRY(atomic_and_uint_nv)
|
||
|
|
movl (%rdi), %eax
|
||
|
|
1:
|
||
|
|
movl %esi, %ecx
|
||
|
|
andl %eax, %ecx
|
||
|
|
lock
|
||
|
|
cmpxchgl %ecx, (%rdi)
|
||
|
|
jne 1b
|
||
|
|
movl %ecx, %eax
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_and_uint_nv)
|
||
|
|
SET_SIZE(atomic_and_32_nv)
|
||
|
|
|
||
|
|
ENTRY(atomic_and_64_nv)
|
||
|
|
ALTENTRY(atomic_and_ulong_nv)
|
||
|
|
movq (%rdi), %rax
|
||
|
|
1:
|
||
|
|
movq %rsi, %rcx
|
||
|
|
andq %rax, %rcx
|
||
|
|
lock
|
||
|
|
cmpxchgq %rcx, (%rdi)
|
||
|
|
jne 1b
|
||
|
|
movq %rcx, %rax
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_and_ulong_nv)
|
||
|
|
SET_SIZE(atomic_and_64_nv)
|
||
|
|
|
||
|
|
ENTRY(atomic_or_8_nv)
|
||
|
|
ALTENTRY(atomic_or_uchar_nv)
|
||
|
|
movb (%rdi), %al
|
||
|
|
1:
|
||
|
|
movb %sil, %cl
|
||
|
|
orb %al, %cl
|
||
|
|
lock
|
||
|
|
cmpxchgb %cl, (%rdi)
|
||
|
|
jne 1b
|
||
|
|
movzbl %cl, %eax
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_and_uchar_nv)
|
||
|
|
SET_SIZE(atomic_and_8_nv)
|
||
|
|
|
||
|
|
ENTRY(atomic_or_16_nv)
|
||
|
|
ALTENTRY(atomic_or_ushort_nv)
|
||
|
|
movw (%rdi), %ax
|
||
|
|
1:
|
||
|
|
movw %si, %cx
|
||
|
|
orw %ax, %cx
|
||
|
|
lock
|
||
|
|
cmpxchgw %cx, (%rdi)
|
||
|
|
jne 1b
|
||
|
|
movzwl %cx, %eax
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_or_ushort_nv)
|
||
|
|
SET_SIZE(atomic_or_16_nv)
|
||
|
|
|
||
|
|
ENTRY(atomic_or_32_nv)
|
||
|
|
ALTENTRY(atomic_or_uint_nv)
|
||
|
|
movl (%rdi), %eax
|
||
|
|
1:
|
||
|
|
movl %esi, %ecx
|
||
|
|
orl %eax, %ecx
|
||
|
|
lock
|
||
|
|
cmpxchgl %ecx, (%rdi)
|
||
|
|
jne 1b
|
||
|
|
movl %ecx, %eax
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_or_uint_nv)
|
||
|
|
SET_SIZE(atomic_or_32_nv)
|
||
|
|
|
||
|
|
ENTRY(atomic_or_64_nv)
|
||
|
|
ALTENTRY(atomic_or_ulong_nv)
|
||
|
|
movq (%rdi), %rax
|
||
|
|
1:
|
||
|
|
movq %rsi, %rcx
|
||
|
|
orq %rax, %rcx
|
||
|
|
lock
|
||
|
|
cmpxchgq %rcx, (%rdi)
|
||
|
|
jne 1b
|
||
|
|
movq %rcx, %rax
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_or_ulong_nv)
|
||
|
|
SET_SIZE(atomic_or_64_nv)
|
||
|
|
|
||
|
|
ENTRY(atomic_cas_8)
|
||
|
|
ALTENTRY(atomic_cas_uchar)
|
||
|
|
movzbl %sil, %eax
|
||
|
|
lock
|
||
|
|
cmpxchgb %dl, (%rdi)
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_cas_uchar)
|
||
|
|
SET_SIZE(atomic_cas_8)
|
||
|
|
|
||
|
|
ENTRY(atomic_cas_16)
|
||
|
|
ALTENTRY(atomic_cas_ushort)
|
||
|
|
movzwl %si, %eax
|
||
|
|
lock
|
||
|
|
cmpxchgw %dx, (%rdi)
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_cas_ushort)
|
||
|
|
SET_SIZE(atomic_cas_16)
|
||
|
|
|
||
|
|
ENTRY(atomic_cas_32)
|
||
|
|
ALTENTRY(atomic_cas_uint)
|
||
|
|
movl %esi, %eax
|
||
|
|
lock
|
||
|
|
cmpxchgl %edx, (%rdi)
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_cas_uint)
|
||
|
|
SET_SIZE(atomic_cas_32)
|
||
|
|
|
||
|
|
ENTRY(atomic_cas_64)
|
||
|
|
ALTENTRY(atomic_cas_ulong)
|
||
|
|
ALTENTRY(atomic_cas_ptr)
|
||
|
|
movq %rsi, %rax
|
||
|
|
lock
|
||
|
|
cmpxchgq %rdx, (%rdi)
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_cas_ptr)
|
||
|
|
SET_SIZE(atomic_cas_ulong)
|
||
|
|
SET_SIZE(atomic_cas_64)
|
||
|
|
|
||
|
|
ENTRY(atomic_swap_8)
|
||
|
|
ALTENTRY(atomic_swap_uchar)
|
||
|
|
movzbl %sil, %eax
|
||
|
|
lock
|
||
|
|
xchgb %al, (%rdi)
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_swap_uchar)
|
||
|
|
SET_SIZE(atomic_swap_8)
|
||
|
|
|
||
|
|
ENTRY(atomic_swap_16)
|
||
|
|
ALTENTRY(atomic_swap_ushort)
|
||
|
|
movzwl %si, %eax
|
||
|
|
lock
|
||
|
|
xchgw %ax, (%rdi)
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_swap_ushort)
|
||
|
|
SET_SIZE(atomic_swap_16)
|
||
|
|
|
||
|
|
ENTRY(atomic_swap_32)
|
||
|
|
ALTENTRY(atomic_swap_uint)
|
||
|
|
movl %esi, %eax
|
||
|
|
lock
|
||
|
|
xchgl %eax, (%rdi)
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_swap_uint)
|
||
|
|
SET_SIZE(atomic_swap_32)
|
||
|
|
|
||
|
|
ENTRY(atomic_swap_64)
|
||
|
|
ALTENTRY(atomic_swap_ulong)
|
||
|
|
ALTENTRY(atomic_swap_ptr)
|
||
|
|
movq %rsi, %rax
|
||
|
|
lock
|
||
|
|
xchgq %rax, (%rdi)
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_swap_ptr)
|
||
|
|
SET_SIZE(atomic_swap_ulong)
|
||
|
|
SET_SIZE(atomic_swap_64)
|
||
|
|
|
||
|
|
ENTRY(atomic_set_long_excl)
|
||
|
|
xorl %eax, %eax
|
||
|
|
lock
|
||
|
|
btsq %rsi, (%rdi)
|
||
|
|
jnc 1f
|
||
|
|
decl %eax
|
||
|
|
1:
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_set_long_excl)
|
||
|
|
|
||
|
|
ENTRY(atomic_clear_long_excl)
|
||
|
|
xorl %eax, %eax
|
||
|
|
lock
|
||
|
|
btrq %rsi, (%rdi)
|
||
|
|
jc 1f
|
||
|
|
decl %eax
|
||
|
|
1:
|
||
|
|
ret
|
||
|
|
SET_SIZE(atomic_clear_long_excl)
|
||
|
|
|
||
|
|
/*
|
||
|
|
* NOTE: membar_enter, and membar_exit are identical routines.
|
||
|
|
* We define them separately, instead of using an ALTENTRY
|
||
|
|
* definitions to alias them together, so that DTrace and
|
||
|
|
* debuggers will see a unique address for them, allowing
|
||
|
|
* more accurate tracing.
|
||
|
|
*/
|
||
|
|
|
||
|
|
ENTRY(membar_enter)
|
||
|
|
mfence
|
||
|
|
ret
|
||
|
|
SET_SIZE(membar_enter)
|
||
|
|
|
||
|
|
ENTRY(membar_exit)
|
||
|
|
mfence
|
||
|
|
ret
|
||
|
|
SET_SIZE(membar_exit)
|
||
|
|
|
||
|
|
ENTRY(membar_producer)
|
||
|
|
sfence
|
||
|
|
ret
|
||
|
|
SET_SIZE(membar_producer)
|
||
|
|
|
||
|
|
ENTRY(membar_consumer)
|
||
|
|
lfence
|
||
|
|
ret
|
||
|
|
SET_SIZE(membar_consumer)
|
||
|
|
|
||
|
|
#ifdef __ELF__
|
||
|
|
.section .note.GNU-stack,"",%progbits
|
||
|
|
#endif
|