Align island's worst case size

4 years ago · df59ffb1b6
1 changed files with 2 additions and 1 deletions
--- a/cranelift/codegen/src/machinst/buffer.rs
+++ b/cranelift/codegen/src/machinst/buffer.rs
@ -1035,7 +1035,8 @@ impl<I: VCodeInst> MachBuffer<I> {
        );
        let deadline = self.cur_offset().saturating_add(max_distance);
        self.island_worst_case_size += data.len() as CodeOffset;
-        self.island_worst_case_size &= !(I::LabelUse::ALIGN - 1);
+        self.island_worst_case_size =
+            (self.island_worst_case_size + I::LabelUse::ALIGN - 1) & !(I::LabelUse::ALIGN - 1);
        self.pending_constants.push(MachLabelConstant {
            label,
            align,