diff options
Diffstat (limited to 'include/EASTL/internal/atomic/arch/x86/arch_x86_exchange.h')
| -rw-r--r-- | include/EASTL/internal/atomic/arch/x86/arch_x86_exchange.h | 91 |
1 files changed, 0 insertions, 91 deletions
diff --git a/include/EASTL/internal/atomic/arch/x86/arch_x86_exchange.h b/include/EASTL/internal/atomic/arch/x86/arch_x86_exchange.h deleted file mode 100644 index b1de7d8..0000000 --- a/include/EASTL/internal/atomic/arch/x86/arch_x86_exchange.h +++ /dev/null @@ -1,91 +0,0 @@ -///////////////////////////////////////////////////////////////////////////////// -// Copyright (c) Electronic Arts Inc. All rights reserved. -///////////////////////////////////////////////////////////////////////////////// - - -#ifndef EASTL_ATOMIC_INTERNAL_ARCH_X86_EXCHANGE_H -#define EASTL_ATOMIC_INTERNAL_ARCH_X86_EXCHANGE_H - -#if defined(EA_PRAGMA_ONCE_SUPPORTED) - #pragma once -#endif - - -///////////////////////////////////////////////////////////////////////////////// -// -// void EASTL_ARCH_ATOMIC_EXCHANGE_*_N(type, type ret, type * ptr, type val) -// -#if defined(EA_COMPILER_MSVC) && defined(EA_PROCESSOR_X86) - - - #define EASTL_ARCH_ATOMIC_X86_EXCHANGE_PRE_COMPUTE_DESIRED(ret, observed, val) \ - ret = (val) - - - #define EASTL_ARCH_ATOMIC_EXCHANGE_RELAXED_64(type, ret, ptr, val) \ - EASTL_ARCH_ATOMIC_X86_OP_64_IMPL(type, ret, ptr, val, RELAXED, \ - EASTL_ARCH_ATOMIC_X86_EXCHANGE_PRE_COMPUTE_DESIRED, \ - EASTL_ARCH_ATOMIC_X86_NOP_POST_COMPUTE_RET) - - #define EASTL_ARCH_ATOMIC_EXCHANGE_ACQUIRE_64(type, ret, ptr, val) \ - EASTL_ARCH_ATOMIC_X86_OP_64_IMPL(type, ret, ptr, val, ACQUIRE, \ - EASTL_ARCH_ATOMIC_X86_EXCHANGE_PRE_COMPUTE_DESIRED, \ - EASTL_ARCH_ATOMIC_X86_NOP_POST_COMPUTE_RET) - - #define EASTL_ARCH_ATOMIC_EXCHANGE_RELEASE_64(type, ret, ptr, val) \ - EASTL_ARCH_ATOMIC_X86_OP_64_IMPL(type, ret, ptr, val, RELEASE, \ - EASTL_ARCH_ATOMIC_X86_EXCHANGE_PRE_COMPUTE_DESIRED, \ - EASTL_ARCH_ATOMIC_X86_NOP_POST_COMPUTE_RET) - - #define EASTL_ARCH_ATOMIC_EXCHANGE_ACQ_REL_64(type, ret, ptr, val) \ - EASTL_ARCH_ATOMIC_X86_OP_64_IMPL(type, ret, ptr, val, ACQ_REL, \ - EASTL_ARCH_ATOMIC_X86_EXCHANGE_PRE_COMPUTE_DESIRED, \ - EASTL_ARCH_ATOMIC_X86_NOP_POST_COMPUTE_RET) - - #define EASTL_ARCH_ATOMIC_EXCHANGE_SEQ_CST_64(type, ret, ptr, val) \ - EASTL_ARCH_ATOMIC_X86_OP_64_IMPL(type, ret, ptr, val, SEQ_CST, \ - EASTL_ARCH_ATOMIC_X86_EXCHANGE_PRE_COMPUTE_DESIRED, \ - EASTL_ARCH_ATOMIC_X86_NOP_POST_COMPUTE_RET) - - -#endif - - -#if ((defined(__clang__) || defined(EA_COMPILER_GNUC)) && defined(EA_PROCESSOR_X86_64)) - - - #define EASTL_ARCH_ATOMIC_X86_EXCHANGE_128(type, ret, ptr, val, MemoryOrder) \ - { \ - EASTL_ATOMIC_DEFAULT_INIT(bool, cmpxchgRet); \ - /* This is intentionally a non-atomic 128-bit load which may observe shearing. */ \ - /* Either we do not observe *(ptr) but then the cmpxchg will fail and the observed */ \ - /* atomic load will be returned. Or the non-atomic load got lucky and the cmpxchg succeeds */ \ - /* because the observed value equals the value in *(ptr) thus we optimistically do a non-atomic load. */ \ - ret = *(ptr); \ - do \ - { \ - EA_PREPROCESSOR_JOIN(EA_PREPROCESSOR_JOIN(EASTL_ATOMIC_CMPXCHG_STRONG_, MemoryOrder), _128)(type, cmpxchgRet, ptr, &(ret), val); \ - } while (!cmpxchgRet); \ - } - - - #define EASTL_ARCH_ATOMIC_EXCHANGE_RELAXED_128(type, ret, ptr, val) \ - EASTL_ARCH_ATOMIC_X86_EXCHANGE_128(type, ret, ptr, val, RELAXED) - - #define EASTL_ARCH_ATOMIC_EXCHANGE_ACQUIRE_128(type, ret, ptr, val) \ - EASTL_ARCH_ATOMIC_X86_EXCHANGE_128(type, ret, ptr, val, ACQUIRE) - - #define EASTL_ARCH_ATOMIC_EXCHANGE_RELEASE_128(type, ret, ptr, val) \ - EASTL_ARCH_ATOMIC_X86_EXCHANGE_128(type, ret, ptr, val, RELEASE) - - #define EASTL_ARCH_ATOMIC_EXCHANGE_ACQ_REL_128(type, ret, ptr, val) \ - EASTL_ARCH_ATOMIC_X86_EXCHANGE_128(type, ret, ptr, val, ACQ_REL) - - #define EASTL_ARCH_ATOMIC_EXCHANGE_SEQ_CST_128(type, ret, ptr, val) \ - EASTL_ARCH_ATOMIC_X86_EXCHANGE_128(type, ret, ptr, val, SEQ_CST) - - -#endif - - -#endif /* EASTL_ATOMIC_INTERNAL_ARCH_X86_EXCHANGE_H */ |