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implement Num.round in the wasm backend like how the dev backend does it

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Folkert 2022-05-06 20:41:02 +02:00
parent 07383e96f0
commit 9e80673b1d
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1 changed files with 19 additions and 7 deletions
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26
compiler/gen_wasm/src/low_level.rs
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@ -580,7 +580,25 @@ impl<'a> LowLevelCall<'a> {
}
}
NumPow => todo!("{:?}", self.lowlevel),
NumCeiling | NumFloor | NumRound => {
NumRound => {
self.load_args(backend);
let arg_type = CodeGenNumType::for_symbol(backend, self.arguments[0]);
let ret_type = CodeGenNumType::from(self.ret_layout);
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 round: {:?}", ret_type),
};
match arg_type {
F32 => self.load_args_and_call_zig(backend, &bitcode::NUM_ROUND_F32[width]),
F64 => self.load_args_and_call_zig(backend, &bitcode::NUM_ROUND_F64[width]),
_ => internal_error!("Invalid argument type for round: {:?}", arg_type),
}
}
NumCeiling | NumFloor => {
self.load_args(backend);
let arg_type = CodeGenNumType::for_symbol(backend, self.arguments[0]);
let ret_type = CodeGenNumType::from(self.ret_layout);
@ -597,12 +615,6 @@ impl<'a> LowLevelCall<'a> {
(F64, NumFloor) => {
backend.code_builder.f64_floor();
}
(F32, NumRound) => {
self.load_args_and_call_zig(backend, &bitcode::NUM_ROUND_F32[IntWidth::I32])
}
(F64, NumRound) => {
self.load_args_and_call_zig(backend, &bitcode::NUM_ROUND_F64[IntWidth::I64])
}
_ => internal_error!("Invalid argument type for ceiling: {:?}", arg_type),
}
match (ret_type, arg_type) {