ISLE: emit traps as safepoints on x64

2022-02-07 10:01:23 -08:00
parent 31e2d6b21c
commit bb7ae46ecd
4 changed files with 11 additions and 7 deletions
--- a/cranelift/codegen/src/isa/x64/lower/isle.rs
+++ b/cranelift/codegen/src/isa/x64/lower/isle.rs
@@ -233,8 +233,12 @@ where
        }
    }

-    fn emit_safepoint(&mut self, _inst: &MInst) -> Unit {
-        unimplemented!();
+    fn emit_safepoint(&mut self, inst: &MInst) -> Unit {
+        use crate::machinst::MachInst;
+        for inst in inst.clone().mov_mitosis() {
+            let is_safepoint = !inst.is_move().is_some();
+            self.emitted_insts.push((inst, is_safepoint));
+        }
    }

    #[inline]