Removed JSOP_HEADER code. Its too costly. This patch restore essentially the same performance as unmodified SM.

2008-06-10 14:44:51 -07:00
parent 3b4f869a0a
commit d48ad704b7
12 changed files with 8 additions and 199 deletions
--- a/js/src/jsopcode.cpp
+++ b/js/src/jsopcode.cpp
@@ -2061,8 +2061,7 @@ Decompile(SprintStack *ss, jsbytecode *pc, intN nb, JSOp nextop)

                    if (pc[next] != JSOP_GOTO && pc[next] != JSOP_GOTOX) {
                        /* Decompile the loop updater. */
-                        DECOMPILE_CODE(pc + next, tail - next -
-                                       (JSOP_POP_LENGTH + JSOP_HEADER_LENGTH));
+                        DECOMPILE_CODE(pc + next, tail - next - 1);
                        js_printf(jp, " %s", POP_STR());
                    }