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author | Matt A. Tobin <email@mattatobin.com> | 2020-04-07 23:30:51 -0400 |
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committer | Matt A. Tobin <email@mattatobin.com> | 2020-04-07 23:30:51 -0400 |
commit | 5545a8983ff0ef1fb52e64aef8e66fa9b13c1cbb (patch) | |
tree | 45d55e3e5e73c4255c4d71258d9be5b2d004d28f /third_party/aom/aom_ports/x86.h | |
parent | 50f1986697a7412e4160976fa5e11217b4ef1f44 (diff) | |
download | UXP-5545a8983ff0ef1fb52e64aef8e66fa9b13c1cbb.tar UXP-5545a8983ff0ef1fb52e64aef8e66fa9b13c1cbb.tar.gz UXP-5545a8983ff0ef1fb52e64aef8e66fa9b13c1cbb.tar.lz UXP-5545a8983ff0ef1fb52e64aef8e66fa9b13c1cbb.tar.xz UXP-5545a8983ff0ef1fb52e64aef8e66fa9b13c1cbb.zip |
Move aom source to a sub-directory under media/libaom
There is no damned reason to treat this differently than any other media lib given its license and there never was.
Diffstat (limited to 'third_party/aom/aom_ports/x86.h')
-rw-r--r-- | third_party/aom/aom_ports/x86.h | 325 |
1 files changed, 0 insertions, 325 deletions
diff --git a/third_party/aom/aom_ports/x86.h b/third_party/aom/aom_ports/x86.h deleted file mode 100644 index 52ee49cb3..000000000 --- a/third_party/aom/aom_ports/x86.h +++ /dev/null @@ -1,325 +0,0 @@ -/* - * Copyright (c) 2016, Alliance for Open Media. All rights reserved - * - * This source code is subject to the terms of the BSD 2 Clause License and - * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License - * was not distributed with this source code in the LICENSE file, you can - * obtain it at www.aomedia.org/license/software. If the Alliance for Open - * Media Patent License 1.0 was not distributed with this source code in the - * PATENTS file, you can obtain it at www.aomedia.org/license/patent. - */ - -#ifndef AOM_AOM_PORTS_X86_H_ -#define AOM_AOM_PORTS_X86_H_ -#include <stdlib.h> - -#if defined(_MSC_VER) -#include <intrin.h> /* For __cpuidex, __rdtsc */ -#endif - -#include "aom/aom_integer.h" -#include "config/aom_config.h" - -#ifdef __cplusplus -extern "C" { -#endif - -typedef enum { - AOM_CPU_UNKNOWN = -1, - AOM_CPU_AMD, - AOM_CPU_AMD_OLD, - AOM_CPU_CENTAUR, - AOM_CPU_CYRIX, - AOM_CPU_INTEL, - AOM_CPU_NEXGEN, - AOM_CPU_NSC, - AOM_CPU_RISE, - AOM_CPU_SIS, - AOM_CPU_TRANSMETA, - AOM_CPU_TRANSMETA_OLD, - AOM_CPU_UMC, - AOM_CPU_VIA, - - AOM_CPU_LAST -} aom_cpu_t; - -#if defined(__GNUC__) && __GNUC__ || defined(__ANDROID__) -#if ARCH_X86_64 -#define cpuid(func, func2, ax, bx, cx, dx) \ - __asm__ __volatile__("cpuid \n\t" \ - : "=a"(ax), "=b"(bx), "=c"(cx), "=d"(dx) \ - : "a"(func), "c"(func2)); -#else -#define cpuid(func, func2, ax, bx, cx, dx) \ - __asm__ __volatile__( \ - "mov %%ebx, %%edi \n\t" \ - "cpuid \n\t" \ - "xchg %%edi, %%ebx \n\t" \ - : "=a"(ax), "=D"(bx), "=c"(cx), "=d"(dx) \ - : "a"(func), "c"(func2)); -#endif -#elif defined(__SUNPRO_C) || \ - defined(__SUNPRO_CC) /* end __GNUC__ or __ANDROID__*/ -#if ARCH_X86_64 -#define cpuid(func, func2, ax, bx, cx, dx) \ - asm volatile( \ - "xchg %rsi, %rbx \n\t" \ - "cpuid \n\t" \ - "movl %ebx, %edi \n\t" \ - "xchg %rsi, %rbx \n\t" \ - : "=a"(ax), "=D"(bx), "=c"(cx), "=d"(dx) \ - : "a"(func), "c"(func2)); -#else -#define cpuid(func, func2, ax, bx, cx, dx) \ - asm volatile( \ - "pushl %ebx \n\t" \ - "cpuid \n\t" \ - "movl %ebx, %edi \n\t" \ - "popl %ebx \n\t" \ - : "=a"(ax), "=D"(bx), "=c"(cx), "=d"(dx) \ - : "a"(func), "c"(func2)); -#endif -#else /* end __SUNPRO__ */ -#if ARCH_X86_64 -#if defined(_MSC_VER) && _MSC_VER > 1500 -#define cpuid(func, func2, a, b, c, d) \ - do { \ - int regs[4]; \ - __cpuidex(regs, func, func2); \ - a = regs[0]; \ - b = regs[1]; \ - c = regs[2]; \ - d = regs[3]; \ - } while (0) -#else -#define cpuid(func, func2, a, b, c, d) \ - do { \ - int regs[4]; \ - __cpuid(regs, func); \ - a = regs[0]; \ - b = regs[1]; \ - c = regs[2]; \ - d = regs[3]; \ - } while (0) -#endif -#else -/* clang-format off */ -#define cpuid(func, func2, a, b, c, d) \ - __asm mov eax, func \ - __asm mov ecx, func2 \ - __asm cpuid \ - __asm mov a, eax \ - __asm mov b, ebx \ - __asm mov c, ecx \ - __asm mov d, edx -#endif -/* clang-format on */ -#endif /* end others */ - -// NaCl has no support for xgetbv or the raw opcode. -#if !defined(__native_client__) && (defined(__i386__) || defined(__x86_64__)) -static INLINE uint64_t xgetbv(void) { - const uint32_t ecx = 0; - uint32_t eax, edx; - // Use the raw opcode for xgetbv for compatibility with older toolchains. - __asm__ volatile(".byte 0x0f, 0x01, 0xd0\n" - : "=a"(eax), "=d"(edx) - : "c"(ecx)); - return ((uint64_t)edx << 32) | eax; -} -#elif (defined(_M_X64) || defined(_M_IX86)) && defined(_MSC_FULL_VER) && \ - _MSC_FULL_VER >= 160040219 // >= VS2010 SP1 -#include <immintrin.h> -#define xgetbv() _xgetbv(0) -#elif defined(_MSC_VER) && defined(_M_IX86) -static INLINE uint64_t xgetbv(void) { - uint32_t eax_, edx_; - __asm { - xor ecx, ecx // ecx = 0 - // Use the raw opcode for xgetbv for compatibility with older toolchains. - __asm _emit 0x0f __asm _emit 0x01 __asm _emit 0xd0 - mov eax_, eax - mov edx_, edx - } - return ((uint64_t)edx_ << 32) | eax_; -} -#else -#define xgetbv() 0U // no AVX for older x64 or unrecognized toolchains. -#endif - -#if defined(_MSC_VER) && _MSC_VER >= 1700 -#include <windows.h> -#if WINAPI_FAMILY_PARTITION(WINAPI_FAMILY_APP) -#define getenv(x) NULL -#endif -#endif - -#define HAS_MMX 0x01 -#define HAS_SSE 0x02 -#define HAS_SSE2 0x04 -#define HAS_SSE3 0x08 -#define HAS_SSSE3 0x10 -#define HAS_SSE4_1 0x20 -#define HAS_AVX 0x40 -#define HAS_AVX2 0x80 -#define HAS_SSE4_2 0x100 -#ifndef BIT -#define BIT(n) (1 << n) -#endif - -static INLINE int x86_simd_caps(void) { - unsigned int flags = 0; - unsigned int mask = ~0; - unsigned int max_cpuid_val, reg_eax, reg_ebx, reg_ecx, reg_edx; - char *env; - (void)reg_ebx; - - /* See if the CPU capabilities are being overridden by the environment */ - env = getenv("AOM_SIMD_CAPS"); - - if (env && *env) return (int)strtol(env, NULL, 0); - - env = getenv("AOM_SIMD_CAPS_MASK"); - - if (env && *env) mask = (unsigned int)strtoul(env, NULL, 0); - - /* Ensure that the CPUID instruction supports extended features */ - cpuid(0, 0, max_cpuid_val, reg_ebx, reg_ecx, reg_edx); - - if (max_cpuid_val < 1) return 0; - - /* Get the standard feature flags */ - cpuid(1, 0, reg_eax, reg_ebx, reg_ecx, reg_edx); - - if (reg_edx & BIT(23)) flags |= HAS_MMX; - - if (reg_edx & BIT(25)) flags |= HAS_SSE; /* aka xmm */ - - if (reg_edx & BIT(26)) flags |= HAS_SSE2; /* aka wmt */ - - if (reg_ecx & BIT(0)) flags |= HAS_SSE3; - - if (reg_ecx & BIT(9)) flags |= HAS_SSSE3; - - if (reg_ecx & BIT(19)) flags |= HAS_SSE4_1; - - if (reg_ecx & BIT(20)) flags |= HAS_SSE4_2; - - // bits 27 (OSXSAVE) & 28 (256-bit AVX) - if ((reg_ecx & (BIT(27) | BIT(28))) == (BIT(27) | BIT(28))) { - if ((xgetbv() & 0x6) == 0x6) { - flags |= HAS_AVX; - - if (max_cpuid_val >= 7) { - /* Get the leaf 7 feature flags. Needed to check for AVX2 support */ - cpuid(7, 0, reg_eax, reg_ebx, reg_ecx, reg_edx); - - if (reg_ebx & BIT(5)) flags |= HAS_AVX2; - } - } - } - - return flags & mask; -} - -// Note: -// 32-bit CPU cycle counter is light-weighted for most function performance -// measurement. For large function (CPU time > a couple of seconds), 64-bit -// counter should be used. -// 32-bit CPU cycle counter -static INLINE unsigned int x86_readtsc(void) { -#if defined(__GNUC__) && __GNUC__ - unsigned int tsc; - __asm__ __volatile__("rdtsc\n\t" : "=a"(tsc) :); - return tsc; -#elif defined(__SUNPRO_C) || defined(__SUNPRO_CC) - unsigned int tsc; - asm volatile("rdtsc\n\t" : "=a"(tsc) :); - return tsc; -#else -#if ARCH_X86_64 - return (unsigned int)__rdtsc(); -#else - __asm rdtsc; -#endif -#endif -} -// 64-bit CPU cycle counter -static INLINE uint64_t x86_readtsc64(void) { -#if defined(__GNUC__) && __GNUC__ - uint32_t hi, lo; - __asm__ __volatile__("rdtsc" : "=a"(lo), "=d"(hi)); - return ((uint64_t)hi << 32) | lo; -#elif defined(__SUNPRO_C) || defined(__SUNPRO_CC) - uint_t hi, lo; - asm volatile("rdtsc\n\t" : "=a"(lo), "=d"(hi)); - return ((uint64_t)hi << 32) | lo; -#else -#if ARCH_X86_64 - return (uint64_t)__rdtsc(); -#else - __asm rdtsc; -#endif -#endif -} - -#if defined(__GNUC__) && __GNUC__ -#define x86_pause_hint() __asm__ __volatile__("pause \n\t") -#elif defined(__SUNPRO_C) || defined(__SUNPRO_CC) -#define x86_pause_hint() asm volatile("pause \n\t") -#else -#if ARCH_X86_64 -#define x86_pause_hint() _mm_pause(); -#else -#define x86_pause_hint() __asm pause -#endif -#endif - -#if defined(__GNUC__) && __GNUC__ -static void x87_set_control_word(unsigned short mode) { - __asm__ __volatile__("fldcw %0" : : "m"(*&mode)); -} -static unsigned short x87_get_control_word(void) { - unsigned short mode; - __asm__ __volatile__("fstcw %0\n\t" : "=m"(*&mode) :); - return mode; -} -#elif defined(__SUNPRO_C) || defined(__SUNPRO_CC) -static void x87_set_control_word(unsigned short mode) { - asm volatile("fldcw %0" : : "m"(*&mode)); -} -static unsigned short x87_get_control_word(void) { - unsigned short mode; - asm volatile("fstcw %0\n\t" : "=m"(*&mode) :); - return mode; -} -#elif ARCH_X86_64 -/* No fldcw intrinsics on Windows x64, punt to external asm */ -extern void aom_winx64_fldcw(unsigned short mode); -extern unsigned short aom_winx64_fstcw(void); -#define x87_set_control_word aom_winx64_fldcw -#define x87_get_control_word aom_winx64_fstcw -#else -static void x87_set_control_word(unsigned short mode) { - __asm { fldcw mode } -} -static unsigned short x87_get_control_word(void) { - unsigned short mode; - __asm { fstcw mode } - return mode; -} -#endif - -static INLINE unsigned int x87_set_double_precision(void) { - unsigned int mode = x87_get_control_word(); - x87_set_control_word((mode & ~0x300) | 0x200); - return mode; -} - -extern void aom_reset_mmx_state(void); - -#ifdef __cplusplus -} // extern "C" -#endif - -#endif // AOM_AOM_PORTS_X86_H_ |