snapshot before regression test

includes/atom.py

@@ -0,0 +1,42 @@
+import t, c
+
+
+ATOMIC_RELAXED: t.CDefine = 0
+ATOMIC_CONSUME: t.CDefine = 1
+ATOMIC_ACQUIRE: t.CDefine = 2
+ATOMIC_RELEASE: t.CDefine = 3
+ATOMIC_ACQ_REL: t.CDefine = 4
+ATOMIC_SEQ_CST: t.CDefine = 5
+
+
+def __atomic_test_and_set(ptr: t.CUInt64T | t.CPtr, order: t.CInt) -> t.CBool:
+    result: t.CUInt8T = 1
+    c.Asm(f"""mov al, 1
+              xchg byte ptr [{c.AsmInp(ptr, t.ASM_DESCR.REG_ANY)}], al
+              mov {c.AsmOut(result, t.ASM_DESCR.OUTPUT_REG)}, al""",
+        out = [c.AsmOut(result, t.ASM_DESCR.OUTPUT_REG)],
+        inp = [c.AsmInp(ptr, t.ASM_DESCR.REG_ANY)],
+        op = [t.ASM_DESCR.CLOBBER_MEMORY, t.ASM_DESCR.CLOBBER_RAX])
+    return t.CBool(result)
+
+
+def __atomic_clear(ptr: t.CUInt64T | t.CPtr, order: t.CInt) -> t.CVoid:
+    c.Asm(f"""mov byte ptr [{c.AsmInp(ptr, t.ASM_DESCR.REG_ANY)}], 0""",
+        inp = [c.AsmInp(ptr, t.ASM_DESCR.REG_ANY)],
+        op = [t.ASM_DESCR.CLOBBER_MEMORY])
+
+
+def __atomic_thread_fence(order: t.CInt) -> t.CVoid:
+    c.Asm("mfence", op=[t.ASM_DESCR.CLOBBER_MEMORY])
+
+
+def __atomic_signal_fence(order: t.CInt) -> t.CVoid:
+    pass
+
+
+def __atomic_always_lock_free(size: t.CSizeT, ptr: t.CVoid | t.CPtr) -> t.CBool:
+    return t.CBool(1)
+
+
+def __atomic_is_lock_free(size: t.CSizeT, ptr: t.CVoid | t.CPtr) -> t.CBool:
+    return t.CBool(1)