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; libFLAC - Free Lossless Audio Codec library
; Copyright (C) 2001,2002,2003 Josh Coalson
;
; This library is free software; you can redistribute it and/or
; modify it under the terms of the GNU Library General Public
; License as published by the Free Software Foundation; either
; version 2 of the License, or (at your option) any later version.
;
; This library 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
; Library General Public License for more details.
;
; You should have received a copy of the GNU Library General Public
; License along with this library; if not, write to the
; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
; Boston, MA 02111-1307, USA.
%include "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
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