[JAEGER] Added fast-path for JSOP_GETELEM.

2010-06-15 03:46:44 -07:00
parent 18c82d28b9
commit 57f247c2d0
4 changed files with 102 additions and 4 deletions
--- a/js/src/methodjit/Compiler.cpp
+++ b/js/src/methodjit/Compiler.cpp
@@ -676,10 +676,7 @@ mjit::Compiler::generateMethod()
          END_CASE(JSOP_LENGTH)

          BEGIN_CASE(JSOP_GETELEM)
-            prepareStubCall();
-            stubCall(stubs::GetElem, Uses(2), Defs(1));
-            frame.popn(2);
-            frame.pushSynced();
+            jsop_getelem();
          END_CASE(JSOP_GETELEM)

          BEGIN_CASE(JSOP_SETELEM)
@@ -1914,3 +1911,12 @@ mjit::Compiler::jsop_setelem_slow()
    frame.pushSynced();
 }

+void
+mjit::Compiler::jsop_getelem_slow()
+{
+    prepareStubCall();
+    stubCall(stubs::GetElem, Uses(2), Defs(1));
+    frame.popn(2);
+    frame.pushSynced();
+}
+