mirror of
https://github.com/RPCS3/rpcs3.git
synced 2024-11-17 08:11:51 +00:00
391 lines
11 KiB
C++
391 lines
11 KiB
C++
#pragma once
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#include <emmintrin.h>
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#ifdef _WIN32
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#define thread_local __declspec(thread)
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#elif __APPLE__
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#define thread_local __thread
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#endif
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#ifdef _WIN32
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#define __noinline __declspec(noinline)
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#else
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#define __noinline __attribute__((noinline))
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#endif
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#ifdef _WIN32
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#define __safebuffers __declspec(safebuffers)
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#else
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#define __safebuffers
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#endif
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template<size_t size>
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void strcpy_trunc(char(&dst)[size], const std::string& src)
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{
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const size_t count = (src.size() >= size) ? size - 1 /* truncation */ : src.size();
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memcpy(dst, src.c_str(), count);
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dst[count] = 0;
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}
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template<size_t size, size_t rsize>
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void strcpy_trunc(char(&dst)[size], const char(&src)[rsize])
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{
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const size_t count = (rsize >= size) ? size - 1 /* truncation */ : rsize;
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memcpy(dst, src, count);
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dst[count] = 0;
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}
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#if defined(__GNUG__)
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#include <cmath>
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#include <stdlib.h>
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#include <cstdint>
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#ifndef __APPLE__
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#include <malloc.h>
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#endif
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#define _fpclass(x) std::fpclassify(x)
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#define __forceinline __attribute__((always_inline))
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#define _byteswap_ushort(x) __builtin_bswap16(x)
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#define _byteswap_ulong(x) __builtin_bswap32(x)
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#define _byteswap_uint64(x) __builtin_bswap64(x)
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#define INFINITE 0xFFFFFFFF
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#define _CRT_ALIGN(x) __attribute__((aligned(x)))
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inline uint64_t __umulh(uint64_t a, uint64_t b)
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{
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uint64_t result;
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__asm__("mulq %[b]" : "=d" (result) : [a] "a" (a), [b] "rm" (b));
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return result;
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}
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inline int64_t __mulh(int64_t a, int64_t b)
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{
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int64_t result;
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__asm__("imulq %[b]" : "=d" (result) : [a] "a" (a), [b] "rm" (b));
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return result;
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}
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void * _aligned_malloc(size_t size, size_t alignment);
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#ifdef __APPLE__
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int clock_gettime(int foo, struct timespec *ts);
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#define wxIsNaN(x) ((x) != (x))
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#ifndef CLOCK_MONOTONIC
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#define CLOCK_MONOTONIC 0
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#endif /* !CLOCK_MONOTONIC */
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#endif /* __APPLE__ */
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#define _aligned_free free
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#define DWORD int32_t
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#endif
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#ifndef InterlockedCompareExchange
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static __forceinline uint8_t InterlockedCompareExchange(volatile uint8_t* dest, uint8_t exch, uint8_t comp)
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{
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#if defined(__GNUG__)
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return __sync_val_compare_and_swap(dest, comp, exch);
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#else
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return _InterlockedCompareExchange8((volatile char*)dest, exch, comp);
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#endif
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}
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static __forceinline uint16_t InterlockedCompareExchange(volatile uint16_t* dest, uint16_t exch, uint16_t comp)
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{
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#if defined(__GNUG__)
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return __sync_val_compare_and_swap(dest, comp, exch);
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#else
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return _InterlockedCompareExchange16((volatile short*)dest, exch, comp);
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#endif
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}
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static __forceinline uint32_t InterlockedCompareExchange(volatile uint32_t* dest, uint32_t exch, uint32_t comp)
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{
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#if defined(__GNUG__)
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return __sync_val_compare_and_swap(dest, comp, exch);
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#else
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return _InterlockedCompareExchange((volatile long*)dest, exch, comp);
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#endif
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}
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static __forceinline uint64_t InterlockedCompareExchange(volatile uint64_t* dest, uint64_t exch, uint64_t comp)
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{
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#if defined(__GNUG__)
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return __sync_val_compare_and_swap(dest, comp, exch);
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#else
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return _InterlockedCompareExchange64((volatile long long*)dest, exch, comp);
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#endif
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}
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#endif
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static __forceinline bool InterlockedCompareExchangeTest(volatile uint8_t* dest, uint8_t exch, uint8_t comp)
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{
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#if defined(__GNUG__)
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return __sync_bool_compare_and_swap(dest, comp, exch);
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#else
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return (uint8_t)_InterlockedCompareExchange8((volatile char*)dest, exch, comp) == comp;
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#endif
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}
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static __forceinline bool InterlockedCompareExchangeTest(volatile uint16_t* dest, uint16_t exch, uint16_t comp)
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{
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#if defined(__GNUG__)
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return __sync_bool_compare_and_swap(dest, comp, exch);
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#else
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return (uint16_t)_InterlockedCompareExchange16((volatile short*)dest, exch, comp) == comp;
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#endif
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}
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static __forceinline bool InterlockedCompareExchangeTest(volatile uint32_t* dest, uint32_t exch, uint32_t comp)
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{
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#if defined(__GNUG__)
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return __sync_bool_compare_and_swap(dest, comp, exch);
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#else
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return (uint32_t)_InterlockedCompareExchange((volatile long*)dest, exch, comp) == comp;
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#endif
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}
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static __forceinline bool InterlockedCompareExchangeTest(volatile uint64_t* dest, uint64_t exch, uint64_t comp)
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{
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#if defined(__GNUG__)
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return __sync_bool_compare_and_swap(dest, comp, exch);
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#else
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return (uint64_t)_InterlockedCompareExchange64((volatile long long*)dest, exch, comp) == comp;
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#endif
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}
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#ifndef InterlockedExchange
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static __forceinline uint8_t InterlockedExchange(volatile uint8_t* dest, uint8_t value)
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{
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#if defined(__GNUG__)
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return __sync_lock_test_and_set(dest, value);
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#else
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return _InterlockedExchange8((volatile char*)dest, value);
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#endif
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}
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static __forceinline uint16_t InterlockedExchange(volatile uint16_t* dest, uint16_t value)
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{
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#if defined(__GNUG__)
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return __sync_lock_test_and_set(dest, value);
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#else
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return _InterlockedExchange16((volatile short*)dest, value);
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#endif
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}
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static __forceinline uint32_t InterlockedExchange(volatile uint32_t* dest, uint32_t value)
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{
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#if defined(__GNUG__)
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return __sync_lock_test_and_set(dest, value);
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#else
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return _InterlockedExchange((volatile long*)dest, value);
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#endif
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}
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static __forceinline uint64_t InterlockedExchange(volatile uint64_t* dest, uint64_t value)
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{
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#if defined(__GNUG__)
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return __sync_lock_test_and_set(dest, value);
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#else
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return _InterlockedExchange64((volatile long long*)dest, value);
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#endif
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}
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#endif
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#ifndef InterlockedOr
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static __forceinline uint8_t InterlockedOr(volatile uint8_t* dest, uint8_t value)
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{
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#if defined(__GNUG__)
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return __sync_fetch_and_or(dest, value);
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#else
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return _InterlockedOr8((volatile char*)dest, value);
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#endif
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}
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static __forceinline uint16_t InterlockedOr(volatile uint16_t* dest, uint16_t value)
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{
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#if defined(__GNUG__)
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return __sync_fetch_and_or(dest, value);
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#else
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return _InterlockedOr16((volatile short*)dest, value);
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#endif
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}
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static __forceinline uint32_t InterlockedOr(volatile uint32_t* dest, uint32_t value)
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{
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#if defined(__GNUG__)
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return __sync_fetch_and_or(dest, value);
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#else
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return _InterlockedOr((volatile long*)dest, value);
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#endif
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}
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static __forceinline uint64_t InterlockedOr(volatile uint64_t* dest, uint64_t value)
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{
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#if defined(__GNUG__)
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return __sync_fetch_and_or(dest, value);
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#else
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return _InterlockedOr64((volatile long long*)dest, value);
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#endif
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}
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#endif
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#ifndef InterlockedAnd
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static __forceinline uint8_t InterlockedAnd(volatile uint8_t* dest, uint8_t value)
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{
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#if defined(__GNUG__)
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return __sync_fetch_and_and(dest, value);
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#else
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return _InterlockedAnd8((volatile char*)dest, value);
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#endif
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}
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static __forceinline uint16_t InterlockedAnd(volatile uint16_t* dest, uint16_t value)
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{
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#if defined(__GNUG__)
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return __sync_fetch_and_and(dest, value);
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#else
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return _InterlockedAnd16((volatile short*)dest, value);
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#endif
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}
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static __forceinline uint32_t InterlockedAnd(volatile uint32_t* dest, uint32_t value)
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{
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#if defined(__GNUG__)
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return __sync_fetch_and_and(dest, value);
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#else
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return _InterlockedAnd((volatile long*)dest, value);
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#endif
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}
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static __forceinline uint64_t InterlockedAnd(volatile uint64_t* dest, uint64_t value)
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{
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#if defined(__GNUG__)
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return __sync_fetch_and_and(dest, value);
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#else
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return _InterlockedAnd64((volatile long long*)dest, value);
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#endif
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}
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#endif
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#ifndef InterlockedXor
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static __forceinline uint8_t InterlockedXor(volatile uint8_t* dest, uint8_t value)
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{
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#if defined(__GNUG__)
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return __sync_fetch_and_xor(dest, value);
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#else
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return _InterlockedXor8((volatile char*)dest, value);
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#endif
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}
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static __forceinline uint16_t InterlockedXor(volatile uint16_t* dest, uint16_t value)
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{
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#if defined(__GNUG__)
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return __sync_fetch_and_xor(dest, value);
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#else
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return _InterlockedXor16((volatile short*)dest, value);
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#endif
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}
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static __forceinline uint32_t InterlockedXor(volatile uint32_t* dest, uint32_t value)
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{
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#if defined(__GNUG__)
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return __sync_fetch_and_xor(dest, value);
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#else
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return _InterlockedXor((volatile long*)dest, value);
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#endif
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}
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static __forceinline uint64_t InterlockedXor(volatile uint64_t* dest, uint64_t value)
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{
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#if defined(__GNUG__)
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return __sync_fetch_and_xor(dest, value);
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#else
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return _InterlockedXor64((volatile long long*)dest, value);
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#endif
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}
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#endif
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static __forceinline uint32_t cntlz32(uint32_t arg)
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{
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#if defined(_MSC_VER)
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unsigned long res;
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if (!_BitScanReverse(&res, arg))
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{
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return 32;
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}
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else
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{
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return res ^ 31;
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}
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#else
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if (arg)
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{
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return __builtin_clzll((uint64_t)arg) - 32;
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}
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else
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{
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return 32;
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}
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#endif
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}
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static __forceinline uint64_t cntlz64(uint64_t arg)
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{
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#if defined(_MSC_VER)
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unsigned long res;
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if (!_BitScanReverse64(&res, arg))
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{
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return 64;
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}
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else
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{
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return res ^ 63;
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}
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#else
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if (arg)
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{
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return __builtin_clzll(arg);
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}
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else
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{
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return 64;
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}
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#endif
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}
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// compare 16 packed unsigned bytes (greater than)
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inline __m128i sse_cmpgt_epu8(__m128i A, __m128i B)
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{
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// (A xor 0x80) > (B xor 0x80)
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const auto sign = _mm_set1_epi32(0x80808080);
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return _mm_cmpgt_epi8(_mm_xor_si128(A, sign), _mm_xor_si128(B, sign));
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}
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inline __m128i sse_cmpgt_epu16(__m128i A, __m128i B)
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{
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const auto sign = _mm_set1_epi32(0x80008000);
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return _mm_cmpgt_epi16(_mm_xor_si128(A, sign), _mm_xor_si128(B, sign));
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}
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inline __m128i sse_cmpgt_epu32(__m128i A, __m128i B)
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{
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const auto sign = _mm_set1_epi32(0x80000000);
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return _mm_cmpgt_epi32(_mm_xor_si128(A, sign), _mm_xor_si128(B, sign));
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}
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inline __m128 sse_exp2_ps(__m128 A)
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{
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const auto x0 = _mm_max_ps(_mm_min_ps(A, _mm_set1_ps(127.4999961f)), _mm_set1_ps(-127.4999961f));
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const auto x1 = _mm_add_ps(x0, _mm_set1_ps(0.5f));
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const auto x2 = _mm_sub_epi32(_mm_cvtps_epi32(x1), _mm_and_si128(_mm_castps_si128(_mm_cmpnlt_ps(_mm_setzero_ps(), x1)), _mm_set1_epi32(1)));
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const auto x3 = _mm_sub_ps(x0, _mm_cvtepi32_ps(x2));
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const auto x4 = _mm_mul_ps(x3, x3);
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const auto x5 = _mm_mul_ps(x3, _mm_add_ps(_mm_mul_ps(_mm_add_ps(_mm_mul_ps(x4, _mm_set1_ps(0.023093347705f)), _mm_set1_ps(20.20206567f)), x4), _mm_set1_ps(1513.906801f)));
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const auto x6 = _mm_mul_ps(x5, _mm_rcp_ps(_mm_sub_ps(_mm_add_ps(_mm_mul_ps(_mm_set1_ps(233.1842117f), x4), _mm_set1_ps(4368.211667f)), x5)));
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return _mm_mul_ps(_mm_add_ps(_mm_add_ps(x6, x6), _mm_set1_ps(1.0f)), _mm_castsi128_ps(_mm_slli_epi32(_mm_add_epi32(x2, _mm_set1_epi32(127)), 23)));
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}
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inline __m128 sse_log2_ps(__m128 A)
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{
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const auto _1 = _mm_set1_ps(1.0f);
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const auto _c = _mm_set1_ps(1.442695040f);
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const auto x0 = _mm_max_ps(A, _mm_castsi128_ps(_mm_set1_epi32(0x00800000)));
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const auto x1 = _mm_or_ps(_mm_and_ps(x0, _mm_castsi128_ps(_mm_set1_epi32(0x807fffff))), _1);
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const auto x2 = _mm_rcp_ps(_mm_add_ps(x1, _1));
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const auto x3 = _mm_mul_ps(_mm_sub_ps(x1, _1), x2);
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const auto x4 = _mm_add_ps(x3, x3);
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const auto x5 = _mm_mul_ps(x4, x4);
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const auto x6 = _mm_add_ps(_mm_mul_ps(_mm_add_ps(_mm_mul_ps(_mm_set1_ps(-0.7895802789f), x5), _mm_set1_ps(16.38666457f)), x5), _mm_set1_ps(-64.1409953f));
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const auto x7 = _mm_rcp_ps(_mm_add_ps(_mm_mul_ps(_mm_add_ps(_mm_mul_ps(_mm_set1_ps(-35.67227983f), x5), _mm_set1_ps(312.0937664f)), x5), _mm_set1_ps(-769.6919436f)));
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const auto x8 = _mm_cvtepi32_ps(_mm_sub_epi32(_mm_srli_epi32(_mm_castps_si128(x0), 23), _mm_set1_epi32(127)));
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return _mm_add_ps(_mm_mul_ps(_mm_mul_ps(_mm_mul_ps(_mm_mul_ps(x5, x6), x7), x4), _c), _mm_add_ps(_mm_mul_ps(x4, _c), x8));
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}
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