wip

bjorng · Jan 22, 2024 · 66b395b · 66b395b
1 parent a2d91b4
commit 66b395b
Showing 1 changed file with 18 additions and 0 deletions.
diff --git a/erts/emulator/beam/jit/arm/instr_common.cpp b/erts/emulator/beam/jit/arm/instr_common.cpp
@@ -1006,6 +1006,24 @@ void BeamModuleAssembler::emit_update_record_in_place(const ArgWord &TupleSize,
     arm::Gp untagged_src = ARG3;
     emit_untag_ptr(untagged_src, src.reg);
 
+#if 0
+    {
+        Label bad = a.newLabel(), good = a.newLabel();
+        a.ldr(ARG4, arm::Mem(c_p, offsetof(Process, high_water)));
+        a.ldr(ARG5, arm::Mem(c_p, offsetof(Process, heap)));
+        a.cmp(ARG4, ARG5);
+        a.b_lo(bad);
+
+        a.cmp(ARG4, HTOP);
+        a.b_ls(good);
+
+        a.bind(bad);
+        a.udf(42);
+
+        a.bind(good);
+    }
+#endif
+
     a.cmp(untagged_src, HTOP);
     a.b_hs(copy);