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Get refcounting working

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This commit is contained in:
Brendan Hansknecht 2021-12-04 10:43:45 -08:00
parent c11484e968
commit 6205816db4
3 changed files with 71 additions and 26 deletions
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38
compiler/gen_dev/src/generic64/mod.rs
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@ -872,6 +872,13 @@ impl<
}
}
fn build_refcount_getptr(&mut self, dst: &Symbol, src: &Symbol) {
let dst_reg = self.claim_general_reg(dst);
let src_reg = self.load_to_general_reg(src);
// The refcount pointer is the value before the pointer.
ASM::sub_reg64_reg64_imm32(&mut self.buf, dst_reg, src_reg, PTR_SIZE as i32);
}
fn create_struct(&mut self, sym: &Symbol, layout: &Layout<'a>, fields: &'a [Symbol]) {
let struct_size = layout.stack_size(PTR_SIZE);
@ -1134,8 +1141,11 @@ impl<
),
},
Some(x) => unimplemented!("returning symbol storage, {:?}, is not yet implemented", x),
None if layout == &Layout::Struct(&[]) => {
// Empty struct is not defined and does nothing.
}
None => {
internal_error!("Unknown return symbol: {}", sym);
internal_error!("Unknown return symbol: {:?}", sym);
}
}
let inst_loc = self.buf.len() as u64;
@ -1514,24 +1524,26 @@ impl<
#[macro_export]
macro_rules! single_register_integers {
() => {
Builtin::Bool
| Builtin::Int(
IntWidth::I8
| IntWidth::I16
| IntWidth::I32
| IntWidth::I64
| IntWidth::U8
| IntWidth::U16
| IntWidth::U32
| IntWidth::U64,
)
Layout::Builtin(
Builtin::Bool
| Builtin::Int(
IntWidth::I8
| IntWidth::I16
| IntWidth::I32
| IntWidth::I64
| IntWidth::U8
| IntWidth::U16
| IntWidth::U32
| IntWidth::U64,
),
) | Layout::RecursivePointer
};
}
#[macro_export]
macro_rules! single_register_floats {
() => {
Builtin::Float(FloatWidth::F32 | FloatWidth::F64)
Layout::Builtin(Builtin::Float(FloatWidth::F32 | FloatWidth::F64))
};
}