mirror of
https://github.com/ZDoom/gzdoom.git
synced 2024-11-27 06:12:19 +00:00
100 lines
2.6 KiB
NASM
100 lines
2.6 KiB
NASM
; libFLAC - Free Lossless Audio Codec library
|
|
; Copyright (C) 2001,2002,2003,2004,2005 Josh Coalson
|
|
;
|
|
; Redistribution and use in source and binary forms, with or without
|
|
; modification, are permitted provided that the following conditions
|
|
; are met:
|
|
;
|
|
; - Redistributions of source code must retain the above copyright
|
|
; notice, this list of conditions and the following disclaimer.
|
|
;
|
|
; - Redistributions in binary form must reproduce the above copyright
|
|
; notice, this list of conditions and the following disclaimer in the
|
|
; documentation and/or other materials provided with the distribution.
|
|
;
|
|
; - Neither the name of the Xiph.org Foundation nor the names of its
|
|
; contributors may be used to endorse or promote products derived from
|
|
; this software without specific prior written permission.
|
|
;
|
|
; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
; ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
; LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
; A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
|
|
; CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
|
; EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
; PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
|
; PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
|
; LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
|
; NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
%include "ia32/nasm.h"
|
|
|
|
data_section
|
|
|
|
cglobal FLAC__cpu_info_asm_ia32
|
|
cglobal FLAC__cpu_info_extended_amd_asm_ia32
|
|
cglobal FLAC__cpu_info_sse_test_asm_ia32
|
|
|
|
code_section
|
|
|
|
; **********************************************************************
|
|
;
|
|
|
|
have_cpuid:
|
|
pushfd
|
|
pop eax
|
|
mov edx, eax
|
|
xor eax, 0x00200000
|
|
push eax
|
|
popfd
|
|
pushfd
|
|
pop eax
|
|
cmp eax, edx
|
|
jz .no_cpuid
|
|
mov eax, 1
|
|
jmp .end
|
|
.no_cpuid:
|
|
xor eax, eax
|
|
.end:
|
|
ret
|
|
|
|
cident FLAC__cpu_info_asm_ia32
|
|
push ebx
|
|
call have_cpuid
|
|
test eax, eax
|
|
jz .no_cpuid
|
|
mov eax, 1
|
|
cpuid
|
|
mov eax, edx
|
|
jmp .end
|
|
.no_cpuid:
|
|
xor eax, eax
|
|
.end
|
|
pop ebx
|
|
ret
|
|
|
|
cident FLAC__cpu_info_extended_amd_asm_ia32
|
|
push ebx
|
|
call have_cpuid
|
|
test eax, eax
|
|
jz .no_cpuid
|
|
mov eax, 0x80000000
|
|
cpuid
|
|
cmp eax, 0x80000001
|
|
jb .no_cpuid
|
|
mov eax, 0x80000001
|
|
cpuid
|
|
mov eax, edx
|
|
jmp .end
|
|
.no_cpuid
|
|
xor eax, eax
|
|
.end
|
|
pop ebx
|
|
ret
|
|
|
|
cident FLAC__cpu_info_sse_test_asm_ia32
|
|
xorps xmm0, xmm0
|
|
pop ebx
|
|
|
|
end
|