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implement sqrt and log in the dev backend

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Folkert 2023-02-26 19:05:33 +01:00
parent 6a40d75353
commit 44f08f9e47
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7 changed files with 168 additions and 88 deletions
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27
crates/compiler/gen_dev/src/lib.rs
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@ -751,6 +751,30 @@ trait Backend<'a> {
);
self.build_num_gte(sym, &args[0], &args[1], &arg_layouts[0])
}
LowLevel::NumLogUnchecked => {
let float_width = match arg_layouts[0] {
Layout::F64 => FloatWidth::F64,
Layout::F32 => FloatWidth::F32,
_ => unreachable!("invalid layout for sqrt"),
};
self.build_fn_call(
sym,
bitcode::NUM_LOG[float_width].to_string(),
args,
arg_layouts,
ret_layout,
)
}
LowLevel::NumSqrtUnchecked => {
let float_width = match arg_layouts[0] {
Layout::F64 => FloatWidth::F64,
Layout::F32 => FloatWidth::F32,
_ => unreachable!("invalid layout for sqrt"),
};
self.build_num_sqrt(*sym, args[0], float_width);
}
LowLevel::NumRound => self.build_fn_call(
sym,
bitcode::NUM_ROUND_F64[IntWidth::I64].to_string(),
@ -1261,6 +1285,9 @@ trait Backend<'a> {
arg_layout: &InLayout<'a>,
);
/// build_sqrt stores the result of `sqrt(src)` into dst.
fn build_num_sqrt(&mut self, dst: Symbol, src: Symbol, float_width: FloatWidth);
/// build_list_len returns the length of a list.
fn build_list_len(&mut self, dst: &Symbol, list: &Symbol);