wip

bjorng · Jan 18, 2024 · 1162b4a · 1162b4a
1 parent a32b926
commit 1162b4a
Showing 1 changed file with 5 additions and 7 deletions.
diff --git a/erts/emulator/beam/jit/x86/instr_common.cpp b/erts/emulator/beam/jit/x86/instr_common.cpp
@@ -1142,17 +1142,15 @@ void BeamModuleAssembler::emit_is_list(const ArgLabel &Fail,
                                        const ArgSource &Src) {
     Label next = a.newLabel();
 
+    mov_arg(RET, Src);
     preserve_cache(
             [&]() {
-                mov_arg(RET, Src);
-
                 a.cmp(RET, imm(NIL));
                 a.short_().je(next);
-                a.test(RETb, imm(_TAG_PRIMARY_MASK - TAG_PRIMARY_LIST));
-                a.jne(resolve_beam_label(Fail));
-                a.bind(next);
-            },
-            {RET});
+            });
+    emit_is_cons(resolve_beam_label(Fail), RET);
+
+    a.bind(next);
 }
 
 void BeamModuleAssembler::emit_is_map(const ArgLabel &Fail,