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luaur_code_gen/methods/
ir_reg_alloc_a_64_free_reg.rs

1use crate::macros::codegen_assert::CODEGEN_ASSERT;
2use crate::records::ir_reg_alloc_a_64::IrRegAllocA64;
3use crate::records::register_a_64::RegisterA64;
4
5impl IrRegAllocA64 {
6    pub fn free_reg(&mut self, reg: RegisterA64) {
7        let set = self.get_set(reg.kind());
8
9        let bit = 1u32 << reg.index();
10
11        CODEGEN_ASSERT!((set.base & bit) != 0);
12        CODEGEN_ASSERT!((set.free & bit) == 0);
13        CODEGEN_ASSERT!((set.temp & bit) == 0);
14
15        set.free |= bit;
16        set.defs[reg.index() as usize] = Self::kInvalidInstIdx;
17    }
18}