Update FLAC to 1.3.1

src/libFLAC/ia32/cpu_asm.nasm

+;  vim:filetype=nasm ts=8
+
+;  libFLAC - Free Lossless Audio Codec library
+;  Copyright (C) 2001-2009  Josh Coalson
+;  Copyright (C) 2011-2014  Xiph.Org Foundation
+;
+;  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 "nasm.h"
+
+        data_section
+
+cglobal FLAC__cpu_have_cpuid_asm_ia32
+cglobal FLAC__cpu_info_asm_ia32
+
+        code_section
+
+; **********************************************************************
+;
+; FLAC__uint32 FLAC__cpu_have_cpuid_asm_ia32()
+;
+
+cident FLAC__cpu_have_cpuid_asm_ia32
+        pushfd
+        pop     eax
+        mov     edx, eax
+        xor     eax, 0x00200000
+        push    eax
+        popfd
+        pushfd
+        pop     eax
+        xor     eax, edx
+        and     eax, 0x00200000
+        shr     eax, 0x15
+        push    edx
+        popfd
+        ret
+
+; **********************************************************************
+;
+; void FLAC__cpu_info_asm_ia32(FLAC__uint32 *flags_edx, FLAC__uint32 *flags_ecx)
+;
+
+cident FLAC__cpu_info_asm_ia32
+        ;[esp + 8] == flags_edx
+        ;[esp + 12] == flags_ecx
+
+        push    ebx
+        call    FLAC__cpu_have_cpuid_asm_ia32
+        test    eax, eax
+        jz      .no_cpuid
+        mov     eax, 0
+        cpuid
+        cmp     eax, 1
+        jb      .no_cpuid
+        mov     eax, 1
+        cpuid
+        mov     ebx, [esp + 8]
+        mov     [ebx], edx
+        mov     ebx, [esp + 12]
+        mov     [ebx], ecx
+        jmp     .end
+.no_cpuid:
+        xor     eax, eax
+        mov     ebx, [esp + 8]
+        mov     [ebx], eax
+        mov     ebx, [esp + 12]
+        mov     [ebx], eax
+.end:
+        pop     ebx
+        ret
+
+; end