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Diffstat (limited to 'thirdparty/libvpx/vpx_ports/x86.h')
-rw-r--r--thirdparty/libvpx/vpx_ports/x86.h330
1 files changed, 0 insertions, 330 deletions
diff --git a/thirdparty/libvpx/vpx_ports/x86.h b/thirdparty/libvpx/vpx_ports/x86.h
deleted file mode 100644
index bae25ac345..0000000000
--- a/thirdparty/libvpx/vpx_ports/x86.h
+++ /dev/null
@@ -1,330 +0,0 @@
-/*
- * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
- *
- * Use of this source code is governed by a BSD-style license
- * that can be found in the LICENSE file in the root of the source
- * tree. An additional intellectual property rights grant can be found
- * in the file PATENTS. All contributing project authors may
- * be found in the AUTHORS file in the root of the source tree.
- */
-
-
-#ifndef VPX_PORTS_X86_H_
-#define VPX_PORTS_X86_H_
-#include <stdlib.h>
-
-#if defined(_MSC_VER)
-#include <intrin.h> /* For __cpuidex, __rdtsc */
-#endif
-
-#include "vpx_config.h"
-#include "vpx/vpx_integer.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-typedef enum {
- VPX_CPU_UNKNOWN = -1,
- VPX_CPU_AMD,
- VPX_CPU_AMD_OLD,
- VPX_CPU_CENTAUR,
- VPX_CPU_CYRIX,
- VPX_CPU_INTEL,
- VPX_CPU_NEXGEN,
- VPX_CPU_NSC,
- VPX_CPU_RISE,
- VPX_CPU_SIS,
- VPX_CPU_TRANSMETA,
- VPX_CPU_TRANSMETA_OLD,
- VPX_CPU_UMC,
- VPX_CPU_VIA,
-
- VPX_CPU_LAST
-} vpx_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
-#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
-#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
-#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("VPX_SIMD_CAPS");
-
- if (env && *env)
- return (int)strtol(env, NULL, 0);
-
- env = getenv("VPX_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;
-
- // 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 vpx_winx64_fldcw(unsigned short mode);
-extern unsigned short vpx_winx64_fstcw(void);
-#define x87_set_control_word vpx_winx64_fldcw
-#define x87_get_control_word vpx_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 vpx_reset_mmx_state(void);
-
-#ifdef __cplusplus
-} // extern "C"
-#endif
-
-#endif // VPX_PORTS_X86_H_
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