/* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2001,2002,2003,2004,2005,2006,2007 Josh Coalson
+ * Copyright (C) 2001,2002,2003,2004,2005,2006,2007,2008,2009 Josh Coalson
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
/* how to get sysctlbyname()? */
#endif
-const unsigned FLAC__CPUINFO_IA32_CPUID_CMOV = 0x00008000;
-const unsigned FLAC__CPUINFO_IA32_CPUID_MMX = 0x00800000;
-const unsigned FLAC__CPUINFO_IA32_CPUID_FXSR = 0x01000000;
-const unsigned FLAC__CPUINFO_IA32_CPUID_SSE = 0x02000000;
-const unsigned FLAC__CPUINFO_IA32_CPUID_SSE2 = 0x04000000;
-
-const unsigned FLAC__CPUINFO_IA32_CPUID_EXTENDED_AMD_3DNOW = 0x80000000;
-const unsigned FLAC__CPUINFO_IA32_CPUID_EXTENDED_AMD_EXT3DNOW = 0x40000000;
-const unsigned FLAC__CPUINFO_IA32_CPUID_EXTENDED_AMD_EXTMMX = 0x00400000;
+/* these are flags in EDX of CPUID AX=00000001 */
+static const unsigned FLAC__CPUINFO_IA32_CPUID_CMOV = 0x00008000;
+static const unsigned FLAC__CPUINFO_IA32_CPUID_MMX = 0x00800000;
+static const unsigned FLAC__CPUINFO_IA32_CPUID_FXSR = 0x01000000;
+static const unsigned FLAC__CPUINFO_IA32_CPUID_SSE = 0x02000000;
+static const unsigned FLAC__CPUINFO_IA32_CPUID_SSE2 = 0x04000000;
+/* these are flags in ECX of CPUID AX=00000001 */
+static const unsigned FLAC__CPUINFO_IA32_CPUID_SSE3 = 0x00000001;
+static const unsigned FLAC__CPUINFO_IA32_CPUID_SSSE3 = 0x00000200;
+/* these are flags in EDX of CPUID AX=80000001 */
+static const unsigned FLAC__CPUINFO_IA32_CPUID_EXTENDED_AMD_3DNOW = 0x80000000;
+static const unsigned FLAC__CPUINFO_IA32_CPUID_EXTENDED_AMD_EXT3DNOW = 0x40000000;
+static const unsigned FLAC__CPUINFO_IA32_CPUID_EXTENDED_AMD_EXTMMX = 0x00400000;
/*
# endif
# elif defined(_MSC_VER)
# include <windows.h>
-# undef USE_TRY_CATCH_FLAVOR /* #define this to use the try/catch method for catching illegal opcode exception */
+# define USE_TRY_CATCH_FLAVOR /* sigill_handler flavor resulted in several crash reports on win32 */
# ifdef USE_TRY_CATCH_FLAVOR
# else
LONG CALLBACK sigill_handler_sse_os(EXCEPTION_POINTERS *ep)
#ifdef FLAC__CPU_IA32
info->type = FLAC__CPUINFO_TYPE_IA32;
#if !defined FLAC__NO_ASM && defined FLAC__HAS_NASM
- info->use_asm = true;
- {
- unsigned cpuid = FLAC__cpu_info_asm_ia32();
- info->data.ia32.cmov = (cpuid & FLAC__CPUINFO_IA32_CPUID_CMOV)? true : false;
- info->data.ia32.mmx = (cpuid & FLAC__CPUINFO_IA32_CPUID_MMX )? true : false;
- info->data.ia32.fxsr = (cpuid & FLAC__CPUINFO_IA32_CPUID_FXSR)? true : false;
- info->data.ia32.sse = (cpuid & FLAC__CPUINFO_IA32_CPUID_SSE )? true : false;
- info->data.ia32.sse2 = (cpuid & FLAC__CPUINFO_IA32_CPUID_SSE2)? true : false;
+ info->use_asm = true; /* we assume a minimum of 80386 with FLAC__CPU_IA32 */
+ info->data.ia32.cpuid = FLAC__cpu_have_cpuid_asm_ia32()? true : false;
+ info->data.ia32.bswap = info->data.ia32.cpuid; /* CPUID => BSWAP since it came after */
+ info->data.ia32.cmov = false;
+ info->data.ia32.mmx = false;
+ info->data.ia32.fxsr = false;
+ info->data.ia32.sse = false;
+ info->data.ia32.sse2 = false;
+ info->data.ia32.sse3 = false;
+ info->data.ia32.ssse3 = false;
+ info->data.ia32._3dnow = false;
+ info->data.ia32.ext3dnow = false;
+ info->data.ia32.extmmx = false;
+ if(info->data.ia32.cpuid) {
+ /* http://www.sandpile.org/ia32/cpuid.htm */
+ FLAC__uint32 flags_edx, flags_ecx;
+ FLAC__cpu_info_asm_ia32(&flags_edx, &flags_ecx);
+ info->data.ia32.cmov = (flags_edx & FLAC__CPUINFO_IA32_CPUID_CMOV )? true : false;
+ info->data.ia32.mmx = (flags_edx & FLAC__CPUINFO_IA32_CPUID_MMX )? true : false;
+ info->data.ia32.fxsr = (flags_edx & FLAC__CPUINFO_IA32_CPUID_FXSR )? true : false;
+ info->data.ia32.sse = (flags_edx & FLAC__CPUINFO_IA32_CPUID_SSE )? true : false;
+ info->data.ia32.sse2 = (flags_edx & FLAC__CPUINFO_IA32_CPUID_SSE2 )? true : false;
+ info->data.ia32.sse3 = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_SSE3 )? true : false;
+ info->data.ia32.ssse3 = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_SSSE3)? true : false;
#ifdef FLAC__USE_3DNOW
- cpuid = FLAC__cpu_info_extended_amd_asm_ia32();
- info->data.ia32._3dnow = (cpuid & FLAC__CPUINFO_IA32_CPUID_EXTENDED_AMD_3DNOW)? true : false;
- info->data.ia32.ext3dnow = (cpuid & FLAC__CPUINFO_IA32_CPUID_EXTENDED_AMD_EXT3DNOW)? true : false;
- info->data.ia32.extmmx = (cpuid & FLAC__CPUINFO_IA32_CPUID_EXTENDED_AMD_EXTMMX)? true : false;
+ flags_edx = FLAC__cpu_info_extended_amd_asm_ia32();
+ info->data.ia32._3dnow = (flags_edx & FLAC__CPUINFO_IA32_CPUID_EXTENDED_AMD_3DNOW )? true : false;
+ info->data.ia32.ext3dnow = (flags_edx & FLAC__CPUINFO_IA32_CPUID_EXTENDED_AMD_EXT3DNOW)? true : false;
+ info->data.ia32.extmmx = (flags_edx & FLAC__CPUINFO_IA32_CPUID_EXTENDED_AMD_EXTMMX )? true : false;
#else
info->data.ia32._3dnow = info->data.ia32.ext3dnow = info->data.ia32.extmmx = false;
#endif
+#ifdef DEBUG
+ fprintf(stderr, "CPU info (IA-32):\n");
+ fprintf(stderr, " CPUID ...... %c\n", info->data.ia32.cpuid ? 'Y' : 'n');
+ fprintf(stderr, " BSWAP ...... %c\n", info->data.ia32.bswap ? 'Y' : 'n');
+ fprintf(stderr, " CMOV ....... %c\n", info->data.ia32.cmov ? 'Y' : 'n');
+ fprintf(stderr, " MMX ........ %c\n", info->data.ia32.mmx ? 'Y' : 'n');
+ fprintf(stderr, " FXSR ....... %c\n", info->data.ia32.fxsr ? 'Y' : 'n');
+ fprintf(stderr, " SSE ........ %c\n", info->data.ia32.sse ? 'Y' : 'n');
+ fprintf(stderr, " SSE2 ....... %c\n", info->data.ia32.sse2 ? 'Y' : 'n');
+ fprintf(stderr, " SSE3 ....... %c\n", info->data.ia32.sse3 ? 'Y' : 'n');
+ fprintf(stderr, " SSSE3 ...... %c\n", info->data.ia32.ssse3 ? 'Y' : 'n');
+ fprintf(stderr, " 3DNow! ..... %c\n", info->data.ia32._3dnow ? 'Y' : 'n');
+ fprintf(stderr, " 3DNow!-ext . %c\n", info->data.ia32.ext3dnow? 'Y' : 'n');
+ fprintf(stderr, " 3DNow!-MMX . %c\n", info->data.ia32.extmmx ? 'Y' : 'n');
+#endif
+
/*
* now have to check for OS support of SSE/SSE2
*/
if(info->data.ia32.fxsr || info->data.ia32.sse || info->data.ia32.sse2) {
#if defined FLAC__NO_SSE_OS
/* assume user knows better than us; turn it off */
- info->data.ia32.fxsr = info->data.ia32.sse = info->data.ia32.sse2 = false;
+ info->data.ia32.fxsr = info->data.ia32.sse = info->data.ia32.sse2 = info->data.ia32.sse3 = info->data.ia32.ssse3 = false;
#elif defined FLAC__SSE_OS
/* assume user knows better than us; leave as detected above */
#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__) || defined(__APPLE__)
len = sizeof(sse); sse = sse || (sysctlbyname("hw.instruction_sse", &sse, &len, NULL, 0) == 0 && sse);
len = sizeof(sse); sse = sse || (sysctlbyname("hw.optional.sse" , &sse, &len, NULL, 0) == 0 && sse); /* __APPLE__ ? */
if(!sse)
- info->data.ia32.fxsr = info->data.ia32.sse = info->data.ia32.sse2 = false;
+ info->data.ia32.fxsr = info->data.ia32.sse = info->data.ia32.sse2 = info->data.ia32.sse3 = info->data.ia32.ssse3 = false;
#elif defined(__NetBSD__) || defined (__OpenBSD__)
# if __NetBSD_Version__ >= 105250000 || (defined __OpenBSD__)
int val = 0, mib[2] = { CTL_MACHDEP, CPU_SSE };
size_t len = sizeof(val);
if(sysctl(mib, 2, &val, &len, NULL, 0) < 0 || !val)
- info->data.ia32.fxsr = info->data.ia32.sse = info->data.ia32.sse2 = false;
+ info->data.ia32.fxsr = info->data.ia32.sse = info->data.ia32.sse2 = info->data.ia32.sse3 = info->data.ia32.ssse3 = false;
else { /* double-check SSE2 */
mib[1] = CPU_SSE2;
len = sizeof(val);
if(sysctl(mib, 2, &val, &len, NULL, 0) < 0 || !val)
- info->data.ia32.sse2 = false;
+ info->data.ia32.sse2 = info->data.ia32.sse3 = info->data.ia32.ssse3 = false;
}
# else
- info->data.ia32.fxsr = info->data.ia32.sse = info->data.ia32.sse2 = false;
+ info->data.ia32.fxsr = info->data.ia32.sse = info->data.ia32.sse2 = info->data.ia32.sse3 = info->data.ia32.ssse3 = false;
# endif
#elif defined(__linux__)
int sse = 0;
}
if(!sse)
- info->data.ia32.fxsr = info->data.ia32.sse = info->data.ia32.sse2 = false;
+ info->data.ia32.fxsr = info->data.ia32.sse = info->data.ia32.sse2 = info->data.ia32.sse3 = info->data.ia32.ssse3 = false;
#elif defined(_MSC_VER)
# ifdef USE_TRY_CATCH_FLAVOR
_try {
}
_except(EXCEPTION_EXECUTE_HANDLER) {
if (_exception_code() == STATUS_ILLEGAL_INSTRUCTION)
- info->data.ia32.fxsr = info->data.ia32.sse = info->data.ia32.sse2 = false;
+ info->data.ia32.fxsr = info->data.ia32.sse = info->data.ia32.sse2 = info->data.ia32.sse3 = info->data.ia32.ssse3 = false;
}
# else
int sse = 0;
LPTOP_LEVEL_EXCEPTION_FILTER save = SetUnhandledExceptionFilter(sigill_handler_sse_os);
/* see GCC version above for explanation */
- //@@@@@@ http://msdn2.microsoft.com/en-us/library/4ks26t93.aspx
- //@@@@@@ http://www.daniweb.com/techtalkforums/thread8072.html
- //@@@@@@ http://www.codeproject.com/cpp/gccasm.asp
- //@@@@@@ http://www.hick.org/~mmiller/msvc_inline_asm.html
+ /* http://msdn2.microsoft.com/en-us/library/4ks26t93.aspx */
+ /* http://www.codeproject.com/cpp/gccasm.asp */
+ /* http://www.hick.org/~mmiller/msvc_inline_asm.html */
__asm {
# if _MSC_VER <= 1200
/* VC6 assembler doesn't know SSE, have to emit bytecode instead */
}
SetUnhandledExceptionFilter(save);
if(!sse)
- info->data.ia32.fxsr = info->data.ia32.sse = info->data.ia32.sse2 = false;
-fprintf(stderr,"\n@@@@@@ SSE OS=%d %d\n",sse?1:0,sse);
+ info->data.ia32.fxsr = info->data.ia32.sse = info->data.ia32.sse2 = info->data.ia32.sse3 = info->data.ia32.ssse3 = false;
# endif
#else
/* no way to test, disable to be safe */
- info->data.ia32.fxsr = info->data.ia32.sse = info->data.ia32.sse2 = false;
+ info->data.ia32.fxsr = info->data.ia32.sse = info->data.ia32.sse2 = info->data.ia32.sse3 = info->data.ia32.ssse3 = false;
+#endif
+#ifdef DEBUG
+ fprintf(stderr, " SSE OS sup . %c\n", info->data.ia32.sse ? 'Y' : 'n');
#endif
+
}
}
#else
projects / platform / upstream / flac.git / blobdiff