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GH-115457: Support splitting and replication of micro ops. (GH-115558)

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Mark Shannon 2024-02-20 10:50:59 +00:00 • committed by GitHub
parent 7b21403ccd
commit 626c414995
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GPG key ID: B5690EEEBB952194
20 changed files with 918 additions and 319 deletions
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20
Tools/cases_generator/stack.py
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@ -23,8 +23,12 @@ def maybe_parenthesize(sym: str) -> str:
def var_size(var: StackItem) -> str:
if var.condition:
# Special case simplification
if var.condition == "oparg & 1" and var.size == "1":
# Special case simplifications
if var.condition == "0":
return "0"
elif var.condition == "1":
return var.size
elif var.condition == "oparg & 1" and var.size == "1":
return f"({var.condition})"
else:
return f"(({var.condition}) ? {var.size} : 0)"
@ -154,7 +158,12 @@ class Stack:
f"{var.name} = {cast}{indirect}stack_pointer[{self.base_offset.to_c()}];"
)
if var.condition:
return f"if ({var.condition}) {{ {assign} }}\n"
if var.condition == "1":
return f"{assign}\n"
elif var.condition == "0":
return ""
else:
return f"if ({var.condition}) {{ {assign} }}\n"
return f"{assign}\n"
def push(self, var: StackItem) -> str:
@ -175,7 +184,10 @@ class Stack:
cast = f"({cast_type})" if var.type else ""
if var.name not in UNUSED and not var.is_array():
if var.condition:
out.emit(f"if ({var.condition}) ")
if var.condition == "0":
continue
elif var.condition != "1":
out.emit(f"if ({var.condition}) ")
out.emit(
f"stack_pointer[{self.base_offset.to_c()}] = {cast}{var.name};\n"
)