language-servers/roc
1
0
Fork 0
mirror of https://github.com/roc-lang/roc.git synced 2025-09-29 23:04:49 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 7

Lowlevels: replace RefCountGetPtr with the more general GetPtrAsInt.

Browse source
This commit is contained in:
Brian Carroll 2021-12-18 20:05:05 +00:00
parent a1d883600c
commit e847c924dd
7 changed files with 104 additions and 44 deletions
Download patch file Download diff file Expand all files Collapse all files

8
compiler/gen_dev/src/generic64/mod.rs
View file

@ -964,11 +964,13 @@ impl<
}
}
fn build_refcount_getptr(&mut self, dst: &Symbol, src: &Symbol) {
fn build_ptr_cast(&mut self, dst: &Symbol, src: &Symbol) {
// We may not strictly need an instruction here.
// What's important is to load the value, and for src and dest to have different Layouts.
// This is used for pointer math in refcounting and for pointer equality
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);
ASM::mov_reg64_reg64(&mut self.buf, dst_reg, src_reg);
}
fn create_struct(&mut self, sym: &Symbol, layout: &Layout<'a>, fields: &'a [Symbol]) {