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Num.powInt: panic on overflow

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shua 2024-11-30 11:17:31 +01:00
parent 364249a29d
commit 6dfa458e6c
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3 changed files with 28 additions and 19 deletions
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24
crates/compiler/gen_wasm/src/low_level.rs
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@ -1829,24 +1829,12 @@ impl<'a> LowLevelCall<'a> {
_ => panic_ret_type(),
}
}
NumPowInt => {
self.load_args(backend);
let base_type = CodeGenNumType::for_symbol(backend, self.arguments[0]);
let exponent_type = CodeGenNumType::for_symbol(backend, self.arguments[1]);
let ret_type = CodeGenNumType::from(self.ret_layout);
debug_assert!(base_type == exponent_type);
debug_assert!(exponent_type == ret_type);
let width = match ret_type {
CodeGenNumType::I32 => IntWidth::I32,
CodeGenNumType::I64 => IntWidth::I64,
CodeGenNumType::I128 => todo!("{:?} for I128", self.lowlevel),
_ => internal_error!("Invalid return type for pow: {:?}", ret_type),
};
self.load_args_and_call_zig(backend, &bitcode::NUM_POW_INT[width])
}
NumPowInt => match self.ret_layout_raw {
LayoutRepr::Builtin(Builtin::Int(width)) => {
self.load_args_and_call_zig(backend, &bitcode::NUM_POW_INT[width])
}
_ => panic_ret_type(),
},
NumIsNan => num_is_nan(backend, self.arguments[0]),
NumIsInfinite => num_is_infinite(backend, self.arguments[0]),