diff options
Diffstat (limited to 'include/EASTL/internal/atomic/arch/x86/arch_x86_load.h')
| -rw-r--r-- | include/EASTL/internal/atomic/arch/x86/arch_x86_load.h | 164 |
1 files changed, 0 insertions, 164 deletions
diff --git a/include/EASTL/internal/atomic/arch/x86/arch_x86_load.h b/include/EASTL/internal/atomic/arch/x86/arch_x86_load.h deleted file mode 100644 index 644a2a1..0000000 --- a/include/EASTL/internal/atomic/arch/x86/arch_x86_load.h +++ /dev/null @@ -1,164 +0,0 @@ -///////////////////////////////////////////////////////////////////////////////// -// Copyright (c) Electronic Arts Inc. All rights reserved. -///////////////////////////////////////////////////////////////////////////////// - - -#ifndef EASTL_ATOMIC_INTERNAL_ARCH_X86_LOAD_H -#define EASTL_ATOMIC_INTERNAL_ARCH_X86_LOAD_H - -#if defined(EA_PRAGMA_ONCE_SUPPORTED) - #pragma once -#endif - - -///////////////////////////////////////////////////////////////////////////////// -// -// void EASTL_ARCH_ATOMIC_LOAD_*_N(type, type ret, type * ptr) -// - -#if ((defined(__clang__) || defined(EA_COMPILER_GNUC)) && defined(EA_PROCESSOR_X86_64)) - - - /** - * NOTE: - * - * Since the cmpxchg 128-bit inline assembly does a sete in the asm to set the return boolean, - * it doesn't get dead-store removed even though we don't care about the success of the - * cmpxchg since the compiler cannot reason about what is inside asm blocks. - * Thus this variant just does the minimum required to do an atomic load. - */ -#define EASTL_ARCH_ATOMIC_X86_LOAD_128(type, ret, ptr, MemoryOrder) \ - { \ - EASTL_ATOMIC_FIXED_WIDTH_TYPE_128 expected = 0; \ - ret = EASTL_ATOMIC_TYPE_PUN_CAST(type, expected); \ - \ - /* Compare RDX:RAX with m128. If equal, set ZF and load RCX:RBX into m128. Else, clear ZF and load m128 into RDX:RAX. */ \ - __asm__ __volatile__ ("lock; cmpxchg16b %2" /* cmpxchg16b sets/clears ZF */ \ - /* Output Operands */ \ - : "=a"((EASTL_ATOMIC_TYPE_CAST(uint64_t, &(ret)))[0]), "=d"((EASTL_ATOMIC_TYPE_CAST(uint64_t, &(ret)))[1]), \ - "+m"(*(EASTL_ATOMIC_VOLATILE_INTEGRAL_CAST(__uint128_t, (ptr)))) \ - /* Input Operands */ \ - : "b"((EASTL_ATOMIC_TYPE_CAST(uint64_t, &(ret)))[0]), "c"((EASTL_ATOMIC_TYPE_CAST(uint64_t, &(ret)))[1]), \ - "a"((EASTL_ATOMIC_TYPE_CAST(uint64_t, &(ret)))[0]), "d"((EASTL_ATOMIC_TYPE_CAST(uint64_t, &(ret)))[1]) \ - /* Clobbers */ \ - : "memory", "cc"); \ - } - - -#define EASTL_ARCH_ATOMIC_LOAD_RELAXED_128(type, ret, ptr) \ - EASTL_ARCH_ATOMIC_X86_LOAD_128(type, ret, ptr, RELAXED) - -#define EASTL_ARCH_ATOMIC_LOAD_ACQUIRE_128(type, ret, ptr) \ - EASTL_ARCH_ATOMIC_X86_LOAD_128(type, ret, ptr, ACQUIRE) - -#define EASTL_ARCH_ATOMIC_LOAD_SEQ_CST_128(type, ret, ptr) \ - EASTL_ARCH_ATOMIC_X86_LOAD_128(type, ret, ptr, SEQ_CST) - -#elif defined(EA_COMPILER_MSVC) - - - #if defined(EA_COMPILER_MSVC) && (EA_COMPILER_VERSION >= 1920) // >= VS2019 - - #define EASTL_ARCH_ATOMIC_X86_LOAD_N(integralType, bits, type, ret, ptr) \ - { \ - integralType retIntegral; \ - retIntegral = EA_PREPROCESSOR_JOIN(__iso_volatile_load, bits)(EASTL_ATOMIC_VOLATILE_INTEGRAL_CAST(integralType, (ptr))); \ - \ - ret = EASTL_ATOMIC_TYPE_PUN_CAST(type, retIntegral); \ - } - - #else - - #define EASTL_ARCH_ATOMIC_X86_LOAD_N(integralType, bits, type, ret, ptr) \ - { \ - integralType retIntegral; \ - retIntegral = (*(EASTL_ATOMIC_VOLATILE_INTEGRAL_CAST(integralType, (ptr)))); \ - \ - ret = EASTL_ATOMIC_TYPE_PUN_CAST(type, retIntegral); \ - } - - #endif - - - #define EASTL_ARCH_ATOMIC_X86_LOAD_128(type, ret, ptr, MemoryOrder) \ - { \ - EASTL_ATOMIC_FIXED_WIDTH_TYPE_128 expected{0, 0}; \ - ret = EASTL_ATOMIC_TYPE_PUN_CAST(type, expected); \ - \ - bool cmpxchgRetBool; EA_UNUSED(cmpxchgRetBool); \ - EA_PREPROCESSOR_JOIN(EA_PREPROCESSOR_JOIN(EASTL_ATOMIC_CMPXCHG_STRONG_, MemoryOrder), _128)(type, cmpxchgRetBool, ptr, &(ret), ret); \ - } - - - #define EASTL_ARCH_ATOMIC_X86_LOAD_8(type, ret, ptr) \ - EASTL_ARCH_ATOMIC_X86_LOAD_N(__int8, 8, type, ret, ptr) - - #define EASTL_ARCH_ATOMIC_X86_LOAD_16(type, ret, ptr) \ - EASTL_ARCH_ATOMIC_X86_LOAD_N(__int16, 16, type, ret, ptr) - - #define EASTL_ARCH_ATOMIC_X86_LOAD_32(type, ret, ptr) \ - EASTL_ARCH_ATOMIC_X86_LOAD_N(__int32, 32, type, ret, ptr) - - #define EASTL_ARCH_ATOMIC_X86_LOAD_64(type, ret, ptr) \ - EASTL_ARCH_ATOMIC_X86_LOAD_N(__int64, 64, type, ret, ptr) - - - #define EASTL_ARCH_ATOMIC_LOAD_RELAXED_8(type, ret, ptr) \ - EASTL_ARCH_ATOMIC_X86_LOAD_8(type, ret, ptr) - - #define EASTL_ARCH_ATOMIC_LOAD_RELAXED_16(type, ret, ptr) \ - EASTL_ARCH_ATOMIC_X86_LOAD_16(type, ret, ptr) - - #define EASTL_ARCH_ATOMIC_LOAD_RELAXED_32(type, ret, ptr) \ - EASTL_ARCH_ATOMIC_X86_LOAD_32(type, ret, ptr) - - #define EASTL_ARCH_ATOMIC_LOAD_RELAXED_64(type, ret, ptr) \ - EASTL_ARCH_ATOMIC_X86_LOAD_64(type, ret, ptr) - - #define EASTL_ARCH_ATOMIC_LOAD_RELAXED_128(type, ret, ptr) \ - EASTL_ARCH_ATOMIC_X86_LOAD_128(type, ret, ptr, RELAXED) - - - #define EASTL_ARCH_ATOMIC_LOAD_ACQUIRE_8(type, ret, ptr) \ - EASTL_ARCH_ATOMIC_X86_LOAD_8(type, ret, ptr); \ - EASTL_ATOMIC_COMPILER_BARRIER() - - #define EASTL_ARCH_ATOMIC_LOAD_ACQUIRE_16(type, ret, ptr) \ - EASTL_ARCH_ATOMIC_X86_LOAD_16(type, ret, ptr); \ - EASTL_ATOMIC_COMPILER_BARRIER() - - #define EASTL_ARCH_ATOMIC_LOAD_ACQUIRE_32(type, ret, ptr) \ - EASTL_ARCH_ATOMIC_X86_LOAD_32(type, ret, ptr); \ - EASTL_ATOMIC_COMPILER_BARRIER() - - #define EASTL_ARCH_ATOMIC_LOAD_ACQUIRE_64(type, ret, ptr) \ - EASTL_ARCH_ATOMIC_X86_LOAD_64(type, ret, ptr); \ - EASTL_ATOMIC_COMPILER_BARRIER() - - #define EASTL_ARCH_ATOMIC_LOAD_ACQUIRE_128(type, ret, ptr) \ - EASTL_ARCH_ATOMIC_X86_LOAD_128(type, ret, ptr, ACQUIRE) - - - #define EASTL_ARCH_ATOMIC_LOAD_SEQ_CST_8(type, ret, ptr) \ - EASTL_ARCH_ATOMIC_X86_LOAD_8(type, ret, ptr); \ - EASTL_ATOMIC_COMPILER_BARRIER() - - #define EASTL_ARCH_ATOMIC_LOAD_SEQ_CST_16(type, ret, ptr) \ - EASTL_ARCH_ATOMIC_X86_LOAD_16(type, ret, ptr); \ - EASTL_ATOMIC_COMPILER_BARRIER() - - #define EASTL_ARCH_ATOMIC_LOAD_SEQ_CST_32(type, ret, ptr) \ - EASTL_ARCH_ATOMIC_X86_LOAD_32(type, ret, ptr); \ - EASTL_ATOMIC_COMPILER_BARRIER() - - #define EASTL_ARCH_ATOMIC_LOAD_SEQ_CST_64(type, ret, ptr) \ - EASTL_ARCH_ATOMIC_X86_LOAD_64(type, ret, ptr); \ - EASTL_ATOMIC_COMPILER_BARRIER() - - #define EASTL_ARCH_ATOMIC_LOAD_SEQ_CST_128(type, ret, ptr) \ - EASTL_ARCH_ATOMIC_X86_LOAD_128(type, ret, ptr, SEQ_CST) - -#endif - - -#endif /* EASTL_ATOMIC_INTERNAL_ARCH_X86_LOAD_H */ |