TermiNexus
e80284a6d5
按根目录 新规范 迁移 R1/R2/R3/R4/R6/R7/R8/R9：指针 T* 后缀、内建类型短别名、c.Addr/c.Deref 单目化、c.Asm 改 __asm__、t.CDefine 改 define 软关键字、t.CEnum 改 enum。R4 对内建 cast 多参实参保留 c.Deref 原写法（单目化会致 TPC 类型退化）。验证：includes 52/52 编译通过，TransPyV 自举产物顺序回归 77/77 全通过。
42 lines
1.0 KiB
Plaintext
42 lines
1.0 KiB
Plaintext
import t, c
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define ATOMIC_RELAXED = 0
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define ATOMIC_CONSUME = 1
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define ATOMIC_ACQUIRE = 2
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define ATOMIC_RELEASE = 3
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define ATOMIC_ACQ_REL = 4
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define ATOMIC_SEQ_CST = 5
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def __atomic_test_and_set(ptr: uint64*, order: int) -> bool:
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result: uint8 = 1
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c.Asm(f"""mov al, 1
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xchg byte ptr [{c.AsmInp(ptr, t.ASM_DESCR.REG_ANY)}], al
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mov $0, al""",
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out = [asmout(result, ASM_DESCR.OUTPUT_REG)],
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op = [ASM_DESCR.CLOBBER_MEMORY, ASM_DESCR.CLOBBER_RAX])
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return bool(result)
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def __atomic_clear(ptr: uint64*, order: int):
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__asm__(f"""mov byte ptr [{c.AsmInp(ptr, t.ASM_DESCR.REG_ANY)}], 0""",
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inp = [asminp(ptr, ASM_DESCR.REG_ANY)],
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op = [ASM_DESCR.CLOBBER_MEMORY])
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def __atomic_thread_fence(order: int):
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__asm__("mfence", op=[ASM_DESCR.CLOBBER_MEMORY])
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def __atomic_signal_fence(order: int):
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pass
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def __atomic_always_lock_free(size: sizet, ptr: rawptr) -> bool:
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return True
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def __atomic_is_lock_free(size: sizet, ptr: rawptr) -> bool:
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return True
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