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dev: box and unbox 16-bit and 8-bit values

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Folkert 2023-02-11 15:31:35 +01:00
parent 49d52f5d9a
commit ee79a311f9
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GPG key ID: 1F17F6FFD112B97C
4 changed files with 299 additions and 12 deletions
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30
crates/compiler/gen_dev/src/generic64/mod.rs
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@ -253,6 +253,13 @@ pub trait Assembler<GeneralReg: RegTrait, FloatReg: RegTrait>: Sized + Copy {
src: GeneralReg,
offset: i32,
);
fn mov_reg16_mem16_offset32(
buf: &mut Vec<'_, u8>,
dst: GeneralReg,
src: GeneralReg,
offset: i32,
);
fn mov_reg8_mem8_offset32(buf: &mut Vec<'_, u8>, dst: GeneralReg, src: GeneralReg, offset: i32);
// move from register to memory
fn mov_mem64_offset32_reg64(
@ -267,6 +274,13 @@ pub trait Assembler<GeneralReg: RegTrait, FloatReg: RegTrait>: Sized + Copy {
offset: i32,
src: GeneralReg,
);
fn mov_mem16_offset32_reg16(
buf: &mut Vec<'_, u8>,
dst: GeneralReg,
offset: i32,
src: GeneralReg,
);
fn mov_mem8_offset32_reg8(buf: &mut Vec<'_, u8>, dst: GeneralReg, offset: i32, src: GeneralReg);
/// Sign extends the data at `offset` with `size` as it copies it to `dst`
/// size must be less than or equal to 8.
@ -2026,6 +2040,14 @@ impl<
let sym_reg = storage_manager.load_to_general_reg(&mut self.buf, &value);
ASM::mov_mem32_offset32_reg32(&mut self.buf, ptr_reg, element_offset, sym_reg);
}
Layout::Builtin(Builtin::Int(IntWidth::I16 | IntWidth::U16)) => {
let sym_reg = storage_manager.load_to_general_reg(&mut self.buf, &value);
ASM::mov_mem16_offset32_reg16(&mut self.buf, ptr_reg, element_offset, sym_reg);
}
Layout::Builtin(Builtin::Int(IntWidth::I8 | IntWidth::U8) | Builtin::Bool) => {
let sym_reg = storage_manager.load_to_general_reg(&mut self.buf, &value);
ASM::mov_mem8_offset32_reg8(&mut self.buf, ptr_reg, element_offset, sym_reg);
}
_ if element_width == 0 => {}
_ if element_width > 8 => {
let (from_offset, size) = self.storage_manager.stack_offset_and_size(&value);
@ -2078,6 +2100,14 @@ impl<
let dst_reg = self.storage_manager.claim_general_reg(&mut self.buf, &dst);
ASM::mov_reg32_mem32_offset32(&mut self.buf, dst_reg, ptr_reg, 0);
}
Layout::U16 | Layout::I16 => {
let dst_reg = self.storage_manager.claim_general_reg(&mut self.buf, &dst);
ASM::mov_reg16_mem16_offset32(&mut self.buf, dst_reg, ptr_reg, 0);
}
Layout::U8 | Layout::I8 | Layout::BOOL => {
let dst_reg = self.storage_manager.claim_general_reg(&mut self.buf, &dst);
ASM::mov_reg8_mem8_offset32(&mut self.buf, dst_reg, ptr_reg, 0);
}
Layout::STR => {
self.storage_manager.with_tmp_general_reg(
&mut self.buf,