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List.releaseExcessCapacity

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Folkert 2023-05-02 23:00:07 +02:00
parent 4e29652f0d
commit a48618e34a
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2 changed files with 51 additions and 16 deletions
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39
crates/compiler/gen_dev/src/lib.rs
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@ -1330,8 +1330,6 @@ trait Backend<'a> {
layout_usize,
];
dbg!(arg_layouts);
let intrinsic = bitcode::LIST_SUBLIST.to_string();
self.build_fn_call(sym, intrinsic, &args, &arg_layouts, &list_layout);
}
@ -1382,6 +1380,43 @@ trait Backend<'a> {
ret_layout,
);
}
LowLevel::ListReleaseExcessCapacity => {
let list = args[0];
let list_layout = arg_layouts[0];
let element_layout = match self.interner().get(list_layout) {
Layout::Builtin(Builtin::List(e)) => e,
_ => unreachable!(),
};
let (element_width_int, alignment_int) =
self.interner().stack_size_and_alignment(element_layout);
let alignment = self.debug_symbol("alignment");
self.load_literal_i32(&alignment, Ord::max(alignment_int, 8) as i32);
let element_width = self.debug_symbol("element_width");
self.load_literal_i64(&element_width, element_width_int as i64);
let update_mode = self.debug_symbol("update_mode");
self.load_literal_i8(&update_mode, UpdateMode::Immutable as i8);
let layout_usize = Layout::U64;
// list: RocList,
// alignment: u32,
// element_width: usize,
// update_mode: UpdateMode,
self.build_fn_call(
sym,
bitcode::LIST_RELEASE_EXCESS_CAPACITY.to_string(),
&[list, alignment, element_width, update_mode],
&[list_layout, Layout::U32, layout_usize, Layout::U8],
ret_layout,
);
}
x => todo!("low level, {:?}", x),
}
}