mirror of https://github.com/xiph/flac
libFLAC/cpu.[ch]: More pre-processor cleanups
This commit is contained in:
Erik de Castro Lopo
parent
fa24613ad9
commit
936e968c3a
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@ -110,7 +110,7 @@ static const unsigned FLAC__CPUINFO_IA32_CPUID_SSSE3 = 0x00000200;
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static const unsigned FLAC__CPUINFO_IA32_CPUID_SSE41 = 0x00080000;
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static const unsigned FLAC__CPUINFO_IA32_CPUID_SSE42 = 0x00100000;
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#if defined FLAC__AVX_SUPPORTED
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#if FLAC__AVX_SUPPORTED
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/* these are flags in ECX of CPUID AX=00000001 */
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static const unsigned FLAC__CPUINFO_IA32_CPUID_OSXSAVE = 0x08000000;
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static const unsigned FLAC__CPUINFO_IA32_CPUID_AVX = 0x10000000;
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@ -146,7 +146,7 @@ static void sigill_handler_sse_os(int signal, siginfo_t *si, void *uc)
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#if FLAC__HAS_X86INTRIN
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static uint32_t cpu_xgetbv_x86(void)
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{
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#if (defined _MSC_VER || defined __INTEL_COMPILER) && defined FLAC__AVX_SUPPORTED
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#if (defined _MSC_VER || defined __INTEL_COMPILER) && FLAC__AVX_SUPPORTED
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return (uint32_t)_xgetbv(0);
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#elif defined __GNUC__
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uint32_t lo, hi;
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@ -177,15 +177,17 @@ void FLAC__cpu_info(FLAC__CPUInfo *info)
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#endif
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{
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/* http://www.sandpile.org/x86/cpuid.htm */
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#if FLAC__HAS_X86INTRIN
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FLAC__uint32 flags_eax, flags_ebx, flags_ecx, flags_edx;
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FLAC__cpu_info_x86(0, &flags_eax, &flags_ebx, &flags_ecx, &flags_edx);
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info->ia32.intel = (flags_ebx == 0x756E6547 && flags_edx == 0x49656E69 && flags_ecx == 0x6C65746E)? true : false; /* GenuineIntel */
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FLAC__cpu_info_x86(1, &flags_eax, &flags_ebx, &flags_ecx, &flags_edx);
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#else
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FLAC__uint32 flags_ecx, flags_edx;
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FLAC__cpu_info_asm_ia32(&flags_edx, &flags_ecx);
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#endif
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if (FLAC__HAS_X86INTRIN) {
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FLAC__uint32 flags_eax, flags_ebx, flags_ecx, flags_edx;
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FLAC__cpu_info_x86(0, &flags_eax, &flags_ebx, &flags_ecx, &flags_edx);
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info->ia32.intel = (flags_ebx == 0x756E6547 && flags_edx == 0x49656E69 && flags_ecx == 0x6C65746E)? true : false; /* GenuineIntel */
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FLAC__cpu_info_x86(1, &flags_eax, &flags_ebx, &flags_ecx, &flags_edx);
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}
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else {
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FLAC__uint32 flags_ecx, flags_edx;
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FLAC__cpu_info_asm_ia32(&flags_edx, &flags_ecx);
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}
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info->ia32.cmov = (flags_edx & FLAC__CPUINFO_IA32_CPUID_CMOV )? true : false;
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info->ia32.mmx = (flags_edx & FLAC__CPUINFO_IA32_CPUID_MMX )? true : false;
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ia32_fxsr = (flags_edx & FLAC__CPUINFO_IA32_CPUID_FXSR )? true : false;
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@ -195,13 +197,13 @@ void FLAC__cpu_info(FLAC__CPUInfo *info)
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info->ia32.ssse3 = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_SSSE3)? true : false;
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info->ia32.sse41 = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_SSE41)? true : false;
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info->ia32.sse42 = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_SSE42)? true : false;
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#if FLAC__HAS_X86INTRIN && defined FLAC__AVX_SUPPORTED
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if (FLAC__HAS_X86INTRIN && FLAC__AVX_SUPPORTED) {
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ia32_osxsave = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_OSXSAVE)? true : false;
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info->ia32.avx = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_AVX )? true : false;
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info->ia32.fma = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_FMA )? true : false;
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FLAC__cpu_info_x86(7, &flags_eax, &flags_ebx, &flags_ecx, &flags_edx);
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info->ia32.avx2 = (flags_ebx & FLAC__CPUINFO_IA32_CPUID_AVX2 )? true : false;
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#endif
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info->ia32.avx = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_AVX )? true : false;
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info->ia32.fma = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_FMA )? true : false;
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FLAC__cpu_info_x86(7, &flags_eax, &flags_ebx, &flags_ecx, &flags_edx);
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info->ia32.avx2 = (flags_ebx & FLAC__CPUINFO_IA32_CPUID_AVX2 )? true : false;
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}
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}
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#ifdef DEBUG
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@ -214,11 +216,11 @@ void FLAC__cpu_info(FLAC__CPUInfo *info)
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fprintf(stderr, " SSSE3 ...... %c\n", info->ia32.ssse3 ? 'Y' : 'n');
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fprintf(stderr, " SSE41 ...... %c\n", info->ia32.sse41 ? 'Y' : 'n');
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fprintf(stderr, " SSE42 ...... %c\n", info->ia32.sse42 ? 'Y' : 'n');
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# if FLAC__HAS_X86INTRIN && defined FLAC__AVX_SUPPORTED
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fprintf(stderr, " AVX ........ %c\n", info->ia32.avx ? 'Y' : 'n');
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fprintf(stderr, " FMA ........ %c\n", info->ia32.fma ? 'Y' : 'n');
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fprintf(stderr, " AVX2 ....... %c\n", info->ia32.avx2 ? 'Y' : 'n');
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# endif
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if (FLAC__HAS_X86INTRIN && FLAC__AVX_SUPPORTED) {
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fprintf(stderr, " AVX ........ %c\n", info->ia32.avx ? 'Y' : 'n');
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fprintf(stderr, " FMA ........ %c\n", info->ia32.fma ? 'Y' : 'n');
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fprintf(stderr, " AVX2 ....... %c\n", info->ia32.avx2 ? 'Y' : 'n');
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}
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#endif
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/*
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@ -374,13 +376,13 @@ void FLAC__cpu_info(FLAC__CPUInfo *info)
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info->x86.ssse3 = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_SSSE3)? true : false;
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info->x86.sse41 = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_SSE41)? true : false;
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info->x86.sse42 = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_SSE42)? true : false;
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#if defined FLAC__AVX_SUPPORTED
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if (FLAC__AVX_SUPPORTED) {
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x86_osxsave = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_OSXSAVE)? true : false;
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info->x86.avx = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_AVX )? true : false;
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info->x86.fma = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_FMA )? true : false;
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FLAC__cpu_info_x86(7, &flags_eax, &flags_ebx, &flags_ecx, &flags_edx);
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info->x86.avx2 = (flags_ebx & FLAC__CPUINFO_IA32_CPUID_AVX2 )? true : false;
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#endif
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info->x86.avx = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_AVX )? true : false;
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info->x86.fma = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_FMA )? true : false;
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FLAC__cpu_info_x86(7, &flags_eax, &flags_ebx, &flags_ecx, &flags_edx);
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info->x86.avx2 = (flags_ebx & FLAC__CPUINFO_IA32_CPUID_AVX2 )? true : false;
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}
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}
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#ifdef DEBUG
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fprintf(stderr, "CPU info (x86-64):\n");
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@ -388,11 +390,11 @@ void FLAC__cpu_info(FLAC__CPUInfo *info)
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fprintf(stderr, " SSSE3 ...... %c\n", info->x86.ssse3 ? 'Y' : 'n');
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fprintf(stderr, " SSE41 ...... %c\n", info->x86.sse41 ? 'Y' : 'n');
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fprintf(stderr, " SSE42 ...... %c\n", info->x86.sse42 ? 'Y' : 'n');
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# if defined FLAC__AVX_SUPPORTED
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fprintf(stderr, " AVX ........ %c\n", info->x86.avx ? 'Y' : 'n');
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fprintf(stderr, " FMA ........ %c\n", info->x86.fma ? 'Y' : 'n');
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fprintf(stderr, " AVX2 ....... %c\n", info->x86.avx2 ? 'Y' : 'n');
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# endif
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if (FLAC__AVX_SUPPORTED) {
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fprintf(stderr, " AVX ........ %c\n", info->x86.avx ? 'Y' : 'n');
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fprintf(stderr, " FMA ........ %c\n", info->x86.fma ? 'Y' : 'n');
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fprintf(stderr, " AVX2 ....... %c\n", info->x86.avx2 ? 'Y' : 'n');
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}
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#endif
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/*
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@ -433,11 +435,11 @@ void FLAC__cpu_info_x86(FLAC__uint32 level, FLAC__uint32 *eax, FLAC__uint32 *ebx
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*eax = *ebx = *ecx = *edx = 0;
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return;
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}
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#if defined FLAC__AVX_SUPPORTED
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__cpuidex(cpuinfo, level, 0); /* for AVX2 detection */
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#else
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__cpuid(cpuinfo, level); /* some old compilers don't support __cpuidex */
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#endif
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if (FLAC__AVX_SUPPORTED)
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__cpuidex(cpuinfo, level, 0); /* for AVX2 detection */
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else
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__cpuid(cpuinfo, level); /* some old compilers don't support __cpuidex */
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*eax = cpuinfo[0]; *ebx = cpuinfo[1]; *ecx = cpuinfo[2]; *edx = cpuinfo[3];
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#elif defined __GNUC__ && defined HAVE_CPUID_H
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FLAC__uint32 ext = level & 0x80000000;
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@ -127,13 +127,17 @@
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#endif /* compiler version */
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#endif /* intrinsics support */
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#ifndef FLAC__AVX_SUPPORTED
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#define FLAC__AVX_SUPPORTED 0
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#endif
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typedef enum {
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FLAC__CPUINFO_TYPE_IA32,
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FLAC__CPUINFO_TYPE_X86_64,
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FLAC__CPUINFO_TYPE_UNKNOWN
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} FLAC__CPUInfo_Type;
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#if defined FLAC__CPU_IA32
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typedef struct {
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FLAC__bool intel;
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@ -150,7 +154,7 @@ typedef struct {
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FLAC__bool avx2;
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FLAC__bool fma;
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} FLAC__CPUInfo_IA32;
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#elif defined FLAC__CPU_X86_64
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typedef struct {
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FLAC__bool intel;
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@ -162,16 +166,13 @@ typedef struct {
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FLAC__bool avx2;
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FLAC__bool fma;
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} FLAC__CPUInfo_x86;
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#endif
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typedef struct {
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FLAC__bool use_asm;
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FLAC__CPUInfo_Type type;
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#if defined FLAC__CPU_IA32
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FLAC__CPUInfo_IA32 ia32;
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#elif defined FLAC__CPU_X86_64
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FLAC__CPUInfo_x86 x86;
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#endif
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} FLAC__CPUInfo;
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void FLAC__cpu_info(FLAC__CPUInfo *info);
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