AbleOS/holey-bytes
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fixed a significant bugus

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This commit is contained in:
mlokr 2024-06-24 17:45:58 +02:00
parent 76b3f9ff4b
commit c85437e4e8
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GPG key ID: DEA147DDEE644993
3 changed files with 20 additions and 11 deletions
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9
hblang/README.md
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@ -261,8 +261,9 @@ Vec := fn($Elem: type): type {
new := fn($Elem: type): Vec(Elem) return Vec(Elem).{ data: @bitcast(0), len: 0, cap: 0 }; new := fn($Elem: type): Vec(Elem) return Vec(Elem).{ data: @bitcast(0), len: 0, cap: 0 };
deinit := fn($Elem: type, vec: ^Vec(Elem)): void { deinit := fn($Elem: type, vec: ^Vec(Elem)): void {
free(@bitcast(vec.data), vec.len * @sizeof(Elem), @alignof(Elem)); free(@bitcast(vec.data), vec.cap * @sizeof(Elem), @alignof(Elem));
*vec = new(Elem); *vec = new(Elem);
return;
} }
push := fn($Elem: type, vec: ^Vec(Elem), value: Elem): ^Elem { push := fn($Elem: type, vec: ^Vec(Elem), value: Elem): ^Elem {
@ -286,7 +287,9 @@ push := fn($Elem: type, vec: ^Vec(Elem), value: Elem): ^Elem {
dst_cursor += 1; dst_cursor += 1;
} }
if vec.len != 0 {
free(@bitcast(vec.data), vec.len * @sizeof(Elem), @alignof(Elem)); free(@bitcast(vec.data), vec.len * @sizeof(Elem), @alignof(Elem));
}
vec.data = new_alloc; vec.data = new_alloc;
} }
@ -299,7 +302,9 @@ push := fn($Elem: type, vec: ^Vec(Elem), value: Elem): ^Elem {
main := fn(): int { main := fn(): int {
vec := new(int); vec := new(int);
push(int, &vec, 69); push(int, &vec, 69);
return *vec.data; res := *vec.data;
deinit(int, &vec);
return res;
} }
``` ```

18
hblang/src/codegen.rs
View file

@ -2292,19 +2292,23 @@ impl Codegen {
} }
fn alloc_ret(&mut self, ret: ty::Id, ctx: Ctx) -> Loc { fn alloc_ret(&mut self, ret: ty::Id, ctx: Ctx) -> Loc {
if let Some(loc) = ctx.loc {
return loc;
}
let size = self.tys.size_of(ret); let size = self.tys.size_of(ret);
match size { match size {
0 => Loc::default(), 0 => Loc::default(),
1..=8 => Loc::reg(1), 1..=8 => Loc::reg(1),
9..=16 => Loc::stack(self.ci.stack.allocate(size)), 9..=16 => Loc::stack(self.ci.stack.allocate(size)),
_ => { _ => {
let stack = self.ci.stack.allocate(size); let loc = ctx
self.stack_offset(1, STACK_PTR, Some(&stack), 0); .loc
Loc::stack(stack) .unwrap_or_else(|| Loc::stack(self.ci.stack.allocate(size)));
let Loc::Rt {
reg, stack, offset, ..
} = &loc
else {
todo!("old man with the beard looks at the sky scared");
};
self.stack_offset(1, reg.get(), stack.as_ref(), *offset);
loc
} }
} }
} }

2
hblang/tests/codegen_tests_generic_types.txt
View file

@ -1,3 +1,3 @@
code size: 1302 code size: 1503
ret: 69 ret: 69
status: Ok(()) status: Ok(())