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Diffstat (limited to 'deps/flac-1.3.2/src/libFLAC/cpu.c')
-rw-r--r--deps/flac-1.3.2/src/libFLAC/cpu.c293
1 files changed, 0 insertions, 293 deletions
diff --git a/deps/flac-1.3.2/src/libFLAC/cpu.c b/deps/flac-1.3.2/src/libFLAC/cpu.c
deleted file mode 100644
index da76d87..0000000
--- a/deps/flac-1.3.2/src/libFLAC/cpu.c
+++ /dev/null
@@ -1,293 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2001-2009 Josh Coalson
- * Copyright (C) 2011-2016 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.
- */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include "private/cpu.h"
-#include "share/compat.h"
-#include <stdlib.h>
-#include <string.h>
-
-#if defined(_MSC_VER)
-# include <intrin.h> /* for __cpuid() and _xgetbv() */
-#endif
-
-#if defined __GNUC__ && defined HAVE_CPUID_H
-# include <cpuid.h> /* for __get_cpuid() and __get_cpuid_max() */
-#endif
-
-#ifdef DEBUG
-#include <stdio.h>
-
-#define dfprintf fprintf
-#else
-/* This is bad practice, it should be a static void empty function */
-#define dfprintf(file, format, ...)
-#endif
-
-
-#if defined FLAC__CPU_IA32
-/* 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_SSE = 0x02000000;
-static const unsigned FLAC__CPUINFO_IA32_CPUID_SSE2 = 0x04000000;
-#endif
-
-#if FLAC__HAS_X86INTRIN || FLAC__AVX_SUPPORTED
-/* 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;
-static const unsigned FLAC__CPUINFO_IA32_CPUID_SSE41 = 0x00080000;
-static const unsigned FLAC__CPUINFO_IA32_CPUID_SSE42 = 0x00100000;
-
-/* these are flags in ECX of CPUID AX=00000001 */
-static const unsigned FLAC__CPUINFO_IA32_CPUID_OSXSAVE = 0x08000000;
-static const unsigned FLAC__CPUINFO_IA32_CPUID_AVX = 0x10000000;
-static const unsigned FLAC__CPUINFO_IA32_CPUID_FMA = 0x00001000;
-/* these are flags in EBX of CPUID AX=00000007 */
-static const unsigned FLAC__CPUINFO_IA32_CPUID_AVX2 = 0x00000020;
-#endif
-
-#if defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64
-static uint32_t
-cpu_xgetbv_x86(void)
-{
-#if (defined _MSC_VER || defined __INTEL_COMPILER) && FLAC__HAS_X86INTRIN && FLAC__AVX_SUPPORTED
- return (uint32_t)_xgetbv(0);
-#elif defined __GNUC__
- uint32_t lo, hi;
- asm volatile (".byte 0x0f, 0x01, 0xd0" : "=a"(lo), "=d"(hi) : "c" (0));
- return lo;
-#else
- return 0;
-#endif
-}
-#endif
-
-static void
-ia32_cpu_info (FLAC__CPUInfo *info)
-{
-#if !defined FLAC__CPU_IA32
- (void) info;
-#else
- FLAC__bool ia32_osxsave = false;
- FLAC__uint32 flags_eax, flags_ebx, flags_ecx, flags_edx;
-
-#if !defined FLAC__NO_ASM && (defined FLAC__HAS_NASM || FLAC__HAS_X86INTRIN)
- info->use_asm = true; /* we assume a minimum of 80386 with FLAC__CPU_IA32 */
-#if defined FLAC__HAS_NASM
- if(!FLAC__cpu_have_cpuid_asm_ia32())
- return;
-#endif
- /* http://www.sandpile.org/x86/cpuid.htm */
- if (FLAC__HAS_X86INTRIN) {
- FLAC__cpu_info_x86(0, &flags_eax, &flags_ebx, &flags_ecx, &flags_edx);
- info->ia32.intel = (flags_ebx == 0x756E6547 && flags_edx == 0x49656E69 && flags_ecx == 0x6C65746E) ? true : false; /* GenuineIntel */
- FLAC__cpu_info_x86(1, &flags_eax, &flags_ebx, &flags_ecx, &flags_edx);
- }
- else {
- FLAC__cpu_info_asm_ia32(&flags_edx, &flags_ecx);
- }
-
- info->ia32.cmov = (flags_edx & FLAC__CPUINFO_IA32_CPUID_CMOV ) ? true : false;
- info->ia32.mmx = (flags_edx & FLAC__CPUINFO_IA32_CPUID_MMX ) ? true : false;
- info->ia32.sse = (flags_edx & FLAC__CPUINFO_IA32_CPUID_SSE ) ? true : false;
- info->ia32.sse2 = (flags_edx & FLAC__CPUINFO_IA32_CPUID_SSE2 ) ? true : false;
- info->ia32.sse3 = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_SSE3 ) ? true : false;
- info->ia32.ssse3 = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_SSSE3) ? true : false;
- info->ia32.sse41 = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_SSE41) ? true : false;
- info->ia32.sse42 = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_SSE42) ? true : false;
-
- if (FLAC__HAS_X86INTRIN && FLAC__AVX_SUPPORTED) {
- ia32_osxsave = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_OSXSAVE) ? true : false;
- info->ia32.avx = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_AVX ) ? true : false;
- info->ia32.fma = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_FMA ) ? true : false;
- FLAC__cpu_info_x86(7, &flags_eax, &flags_ebx, &flags_ecx, &flags_edx);
- info->ia32.avx2 = (flags_ebx & FLAC__CPUINFO_IA32_CPUID_AVX2 ) ? true : false;
- }
-
- dfprintf(stderr, "CPU info (IA-32):\n");
- dfprintf(stderr, " CMOV ....... %c\n", info->ia32.cmov ? 'Y' : 'n');
- dfprintf(stderr, " MMX ........ %c\n", info->ia32.mmx ? 'Y' : 'n');
- dfprintf(stderr, " SSE ........ %c\n", info->ia32.sse ? 'Y' : 'n');
- dfprintf(stderr, " SSE2 ....... %c\n", info->ia32.sse2 ? 'Y' : 'n');
- dfprintf(stderr, " SSE3 ....... %c\n", info->ia32.sse3 ? 'Y' : 'n');
- dfprintf(stderr, " SSSE3 ...... %c\n", info->ia32.ssse3 ? 'Y' : 'n');
- dfprintf(stderr, " SSE41 ...... %c\n", info->ia32.sse41 ? 'Y' : 'n');
- dfprintf(stderr, " SSE42 ...... %c\n", info->ia32.sse42 ? 'Y' : 'n');
-
- if (FLAC__HAS_X86INTRIN && FLAC__AVX_SUPPORTED) {
- dfprintf(stderr, " AVX ........ %c\n", info->ia32.avx ? 'Y' : 'n');
- dfprintf(stderr, " FMA ........ %c\n", info->ia32.fma ? 'Y' : 'n');
- dfprintf(stderr, " AVX2 ....... %c\n", info->ia32.avx2 ? 'Y' : 'n');
- }
-
- /*
- * now have to check for OS support of AVX instructions
- */
- if (!FLAC__HAS_X86INTRIN || !info->ia32.avx || !ia32_osxsave || (cpu_xgetbv_x86() & 0x6) != 0x6) {
- /* no OS AVX support */
- info->ia32.avx = false;
- info->ia32.avx2 = false;
- info->ia32.fma = false;
- }
-
- if (FLAC__HAS_X86INTRIN && FLAC__AVX_SUPPORTED) {
- dfprintf(stderr, " AVX OS sup . %c\n", info->ia32.avx ? 'Y' : 'n');
- }
-#else
- info->use_asm = false;
-#endif
-#endif
-}
-
-static void
-x86_64_cpu_info (FLAC__CPUInfo *info)
-{
-#if !defined FLAC__NO_ASM && FLAC__HAS_X86INTRIN
- FLAC__bool x86_osxsave = false;
- FLAC__uint32 flags_eax, flags_ebx, flags_ecx, flags_edx;
-
- info->use_asm = true;
-
- /* http://www.sandpile.org/x86/cpuid.htm */
- FLAC__cpu_info_x86(0, &flags_eax, &flags_ebx, &flags_ecx, &flags_edx);
- info->x86.intel = (flags_ebx == 0x756E6547 && flags_edx == 0x49656E69 && flags_ecx == 0x6C65746E) ? true : false; /* GenuineIntel */
- FLAC__cpu_info_x86(1, &flags_eax, &flags_ebx, &flags_ecx, &flags_edx);
- info->x86.sse3 = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_SSE3 ) ? true : false;
- info->x86.ssse3 = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_SSSE3) ? true : false;
- info->x86.sse41 = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_SSE41) ? true : false;
- info->x86.sse42 = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_SSE42) ? true : false;
-
- if (FLAC__AVX_SUPPORTED) {
- x86_osxsave = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_OSXSAVE) ? true : false;
- info->x86.avx = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_AVX ) ? true : false;
- info->x86.fma = (flags_ecx & FLAC__CPUINFO_IA32_CPUID_FMA ) ? true : false;
- FLAC__cpu_info_x86(7, &flags_eax, &flags_ebx, &flags_ecx, &flags_edx);
- info->x86.avx2 = (flags_ebx & FLAC__CPUINFO_IA32_CPUID_AVX2 ) ? true : false;
- }
-
- dfprintf(stderr, "CPU info (x86-64):\n");
- dfprintf(stderr, " SSE3 ....... %c\n", info->x86.sse3 ? 'Y' : 'n');
- dfprintf(stderr, " SSSE3 ...... %c\n", info->x86.ssse3 ? 'Y' : 'n');
- dfprintf(stderr, " SSE41 ...... %c\n", info->x86.sse41 ? 'Y' : 'n');
- dfprintf(stderr, " SSE42 ...... %c\n", info->x86.sse42 ? 'Y' : 'n');
-
- if (FLAC__AVX_SUPPORTED) {
- dfprintf(stderr, " AVX ........ %c\n", info->x86.avx ? 'Y' : 'n');
- dfprintf(stderr, " FMA ........ %c\n", info->x86.fma ? 'Y' : 'n');
- dfprintf(stderr, " AVX2 ....... %c\n", info->x86.avx2 ? 'Y' : 'n');
- }
-
- /*
- * now have to check for OS support of AVX instructions
- */
- if (!info->x86.avx || !x86_osxsave || (cpu_xgetbv_x86() & 0x6) != 0x6) {
- /* no OS AVX support */
- info->x86.avx = false;
- info->x86.avx2 = false;
- info->x86.fma = false;
- }
-
- if (FLAC__AVX_SUPPORTED) {
- dfprintf(stderr, " AVX OS sup . %c\n", info->x86.avx ? 'Y' : 'n');
- }
-#else
- /* Silence compiler warnings. */
- (void) info;
-#if defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64
- if (0) cpu_xgetbv_x86 ();
-#endif
-#endif
-}
-
-void FLAC__cpu_info (FLAC__CPUInfo *info)
-{
- memset(info, 0, sizeof(*info));
-
-#ifdef FLAC__CPU_IA32
- info->type = FLAC__CPUINFO_TYPE_IA32;
-#elif defined FLAC__CPU_X86_64
- info->type = FLAC__CPUINFO_TYPE_X86_64;
-#else
- info->type = FLAC__CPUINFO_TYPE_UNKNOWN;
- info->use_asm = false;
-#endif
-
- switch (info->type) {
- case FLAC__CPUINFO_TYPE_IA32:
- ia32_cpu_info (info);
- break;
- case FLAC__CPUINFO_TYPE_X86_64:
- x86_64_cpu_info (info);
- break;
- default:
- info->use_asm = false;
- break;
- }
-}
-
-#if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN
-
-void FLAC__cpu_info_x86(FLAC__uint32 level, FLAC__uint32 *eax, FLAC__uint32 *ebx, FLAC__uint32 *ecx, FLAC__uint32 *edx)
-{
-#if defined _MSC_VER || defined __INTEL_COMPILER
- int cpuinfo[4];
- int ext = level & 0x80000000;
- __cpuid(cpuinfo, ext);
- if((unsigned)cpuinfo[0] >= level) {
-#if FLAC__AVX_SUPPORTED
- __cpuidex(cpuinfo, ext, 0); /* for AVX2 detection */
-#else
- __cpuid(cpuinfo, ext); /* some old compilers don't support __cpuidex */
-#endif
-
- *eax = cpuinfo[0]; *ebx = cpuinfo[1]; *ecx = cpuinfo[2]; *edx = cpuinfo[3];
-
- return;
- }
-#elif defined __GNUC__ && defined HAVE_CPUID_H
- FLAC__uint32 ext = level & 0x80000000;
- __cpuid(ext, *eax, *ebx, *ecx, *edx);
- if (*eax >= level) {
- __cpuid_count(level, 0, *eax, *ebx, *ecx, *edx);
-
- return;
- }
-#endif
- *eax = *ebx = *ecx = *edx = 0;
-}
-
-#endif /* (FLAC__CPU_IA32 || FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN */
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