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fix bug with mark_non_var

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This commit is contained in:
Mark Thom
2018-10-08 00:34:08 -06:00
parent fa1bb6df3a
commit 398d91576c
5 changed files with 25 additions and 26 deletions
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33
src/prolog/debray_allocator.rs
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@@ -231,24 +231,23 @@ impl<'a> Allocator<'a> for DebrayAllocator
where Target: CompilationTarget<'a>
{
let r = cell.get();
let r = match lvl {
Level::Shallow => {
let k = self.arg_c;
if let GenContext::Last(chunk_num) = term_loc {
self.evacuate_arg(chunk_num, target);
}
self.arg_c += 1;
RegType::Temp(k)
},
_ if r.reg_num() == 0 => RegType::Temp(self.alloc_reg_to_non_var()),
_ => r
};
if r.reg_num() == 0 {
let r = match lvl {
Level::Shallow => {
let k = self.arg_c;
if let GenContext::Last(chunk_num) = term_loc {
self.evacuate_arg(chunk_num, target);
}
self.arg_c += 1;
RegType::Temp(k)
},
_ => RegType::Temp(self.alloc_reg_to_non_var())
};
cell.set(r);
}
cell.set(r);
}
fn mark_var<Target>(&mut self, var: Rc<Var>, lvl: Level, cell: &'a Cell<VarReg>,