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unboxing of non-recursive tag unions

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Folkert 2023-04-26 22:17:18 +02:00
parent 0f058c8b46
commit f6ebeff298
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GPG key ID: 1F17F6FFD112B97C
3 changed files with 33 additions and 5 deletions
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17
crates/compiler/gen_dev/src/generic64/mod.rs
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@ -3032,7 +3032,7 @@ impl<
if size - copied >= 8 {
for _ in (0..(size - copied)).step_by(8) {
ASM::mov_reg64_mem64_offset32(buf, tmp_reg, ptr_reg, copied);
ASM::mov_base32_reg64(buf, base_offset, tmp_reg);
ASM::mov_base32_reg64(buf, base_offset + copied, tmp_reg);
copied += 8;
}
@ -3041,7 +3041,7 @@ impl<
if size - copied >= 4 {
for _ in (0..(size - copied)).step_by(4) {
ASM::mov_reg32_mem32_offset32(buf, tmp_reg, ptr_reg, copied);
ASM::mov_base32_reg32(buf, base_offset, tmp_reg);
ASM::mov_base32_reg32(buf, base_offset + copied, tmp_reg);
copied += 4;
}
@ -3050,7 +3050,7 @@ impl<
if size - copied >= 2 {
for _ in (0..(size - copied)).step_by(2) {
ASM::mov_reg16_mem16_offset32(buf, tmp_reg, ptr_reg, copied);
ASM::mov_base32_reg16(buf, base_offset, tmp_reg);
ASM::mov_base32_reg16(buf, base_offset + copied, tmp_reg);
copied += 2;
}
@ -3059,7 +3059,7 @@ impl<
if size - copied >= 1 {
for _ in (0..(size - copied)).step_by(1) {
ASM::mov_reg8_mem8_offset32(buf, tmp_reg, ptr_reg, copied);
ASM::mov_base32_reg8(buf, base_offset, tmp_reg);
ASM::mov_base32_reg8(buf, base_offset + copied, tmp_reg);
copied += 1;
}
@ -3132,6 +3132,15 @@ impl<
});
}
Layout::Union(UnionLayout::NonRecursive(_)) => {
// put it on the stack
let stack_size = layout_interner.stack_size(element_in_layout);
storage_manager.with_tmp_general_reg(buf, |storage_manager, buf, tmp_reg| {
Self::unbox_to_stack(buf, storage_manager, dst, stack_size, ptr_reg, tmp_reg);
});
}
_ => todo!("unboxing of {:?}", layout_interner.dbg(element_in_layout)),
}
}