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Merge pull request #3870 from roc-lang/dev-backend-div

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add int/float division to the dev backend
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Folkert de Vries 2022-08-25 09:03:19 +02:00 • committed by GitHub
commit 51d5aa789a
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10 changed files with 384 additions and 40 deletions
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19
crates/compiler/gen_dev/src/lib.rs
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@ -442,6 +442,22 @@ trait Backend<'a> {
);
self.build_num_mul(sym, &args[0], &args[1], ret_layout)
}
LowLevel::NumDivTruncUnchecked | LowLevel::NumDivFrac => {
debug_assert_eq!(
2,
args.len(),
"NumDiv: expected to have exactly two argument"
);
debug_assert_eq!(
arg_layouts[0], arg_layouts[1],
"NumDiv: expected all arguments of to have the same layout"
);
debug_assert_eq!(
arg_layouts[0], *ret_layout,
"NumDiv: expected to have the same argument and return layout"
);
self.build_num_div(sym, &args[0], &args[1], ret_layout)
}
LowLevel::NumNeg => {
debug_assert_eq!(
1,
@ -702,6 +718,9 @@ trait Backend<'a> {
/// build_num_mul stores `src1 * src2` into dst.
fn build_num_mul(&mut self, dst: &Symbol, src1: &Symbol, src2: &Symbol, layout: &Layout<'a>);
/// build_num_mul stores `src1 / src2` into dst.
fn build_num_div(&mut self, dst: &Symbol, src1: &Symbol, src2: &Symbol, layout: &Layout<'a>);
/// build_num_neg stores the negated value of src into dst.
fn build_num_neg(&mut self, dst: &Symbol, src: &Symbol, layout: &Layout<'a>);