You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
39 lines
1.7 KiB
NASM
39 lines
1.7 KiB
NASM
; Copyright 2005-2014 Intel Corporation. All Rights Reserved.
|
|
;
|
|
; This file is part of Threading Building Blocks. Threading Building Blocks is free software;
|
|
; you can redistribute it and/or modify it under the terms of the GNU General Public License
|
|
; version 2 as published by the Free Software Foundation. Threading Building Blocks 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 Threading Building Blocks; if not, write to the
|
|
; Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
;
|
|
; As a special exception, you may use this file as part of a free software library without
|
|
; restriction. Specifically, if other files instantiate templates or use macros or inline
|
|
; functions from this file, or you compile this file and link it with other files to produce
|
|
; an executable, this file 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.
|
|
|
|
; DO NOT EDIT - AUTOMATICALLY GENERATED FROM .s FILE
|
|
.686
|
|
.model flat,c
|
|
.code
|
|
ALIGN 4
|
|
PUBLIC c __TBB_machine_trylockbyte
|
|
__TBB_machine_trylockbyte:
|
|
mov edx,4[esp]
|
|
mov al,[edx]
|
|
mov cl,1
|
|
test al,1
|
|
jnz __TBB_machine_trylockbyte_contended
|
|
lock cmpxchg [edx],cl
|
|
jne __TBB_machine_trylockbyte_contended
|
|
mov eax,1
|
|
ret
|
|
__TBB_machine_trylockbyte_contended:
|
|
xor eax,eax
|
|
ret
|
|
end
|