forked from AbleOS/holey-bytes
adding wide return move for wider range of cases
This commit is contained in:
parent
6852452f1a
commit
bba3570788
|
@ -356,6 +356,19 @@ main := fn(): int {
|
|||
}
|
||||
```
|
||||
|
||||
#### wide_ret
|
||||
```hb
|
||||
OemIdent := struct {
|
||||
dos_version: [u8; 8],
|
||||
dos_version_name: [u8; 8],
|
||||
}
|
||||
|
||||
main := fn(major: int, minor: int): OemIdent {
|
||||
ver := [u8].(0, 0, 0, 0, 0, 0, 0, 0)
|
||||
return OemIdent.(ver, ver)
|
||||
}
|
||||
```
|
||||
|
||||
### Incomplete Examples
|
||||
|
||||
#### comptime_pointers
|
||||
|
|
|
@ -1375,11 +1375,11 @@ impl Codegen {
|
|||
Some(self.ci.inline_ret_loc.as_ref())
|
||||
}
|
||||
0 => None,
|
||||
1..=8 => Some(Loc::reg(1)),
|
||||
9..=16 => None,
|
||||
1..=16 => Some(Loc::reg(1)),
|
||||
//9..=16 => None,
|
||||
_ => Some(Loc::reg(self.ci.ret_reg.as_ref()).into_derefed()),
|
||||
};
|
||||
let loc_is_none = loc.is_none();
|
||||
//let loc_is_none = loc.is_none();
|
||||
let value = if let Some(val) = val {
|
||||
self.expr_ctx(val, Ctx { ty: self.ci.ret, loc })?
|
||||
} else {
|
||||
|
@ -1391,11 +1391,11 @@ impl Codegen {
|
|||
Some(ret) => _ = self.assert_ty(pos, value.ty, ret, "return type"),
|
||||
}
|
||||
|
||||
if let 9..=16 = size
|
||||
&& loc_is_none
|
||||
{
|
||||
self.store_sized(value.loc, Loc::reg(1), size);
|
||||
}
|
||||
//if let 9..=16 = size
|
||||
// && loc_is_none
|
||||
//{
|
||||
// self.store_sized(value.loc, Loc::reg(1), size);
|
||||
//}
|
||||
|
||||
self.ci.ret_relocs.push(Reloc::new(self.ci.code.len(), 1, 4));
|
||||
self.ci.emit(jmp(0));
|
||||
|
@ -2286,6 +2286,25 @@ impl Codegen {
|
|||
self.ci.emit(cp(dst.get(), src.get()));
|
||||
}
|
||||
}
|
||||
(lpat!(false, src, 0, None), lpat!(false, dst, off, None)) => {
|
||||
assert!(size <= 8);
|
||||
let off_rem = 8 * (off % 8);
|
||||
let freg = dst.get() + (off / 8) as u8;
|
||||
if size < 8 {
|
||||
let mask = !(((1u64 << (8 * size)) - 1) << off_rem);
|
||||
self.ci.emit(andi(freg, freg, mask));
|
||||
if off_rem == 0 {
|
||||
self.ci.emit(or(freg, freg, src.get()));
|
||||
} else {
|
||||
let tmp = self.ci.regs.allocate();
|
||||
self.ci.emit(slui64(tmp.get(), src.get(), off_rem as _));
|
||||
self.ci.emit(or(freg, freg, src.get()));
|
||||
self.ci.regs.free(tmp);
|
||||
}
|
||||
} else {
|
||||
self.ci.emit(cp(freg, src.get()));
|
||||
}
|
||||
}
|
||||
(lpat!(true, src, soff, ref ssta), lpat!(false, dst, 0, None)) => {
|
||||
if size < 8 {
|
||||
self.ci.emit(cp(dst.get(), 0));
|
||||
|
@ -2748,5 +2767,6 @@ mod tests {
|
|||
writing_into_string => README;
|
||||
request_page => README;
|
||||
tests_ptr_to_ptr_copy => README;
|
||||
wide_ret => README;
|
||||
}
|
||||
}
|
||||
|
|
0
hblang/tests/codegen_tests_wide_ret.txt
Normal file
0
hblang/tests/codegen_tests_wide_ret.txt
Normal file
Loading…
Reference in a new issue