[MIPS] Wrong register usage in LLInt op_catch.
https://bugs.webkit.org/show_bug.cgi?id=125168

Patch by Balazs Kilvady <kilvadyb@homejinni.com> on 2014-09-03
Reviewed by Geoffrey Garen.

Fix register usage and add PIC header to all the ops in LLInt.

* offlineasm/instructions.rb:
* offlineasm/mips.rb:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@173232 268f45cc-cd09-0410-ab3c-d52691b4dbfc
diff --git a/Source/JavaScriptCore/offlineasm/instructions.rb b/Source/JavaScriptCore/offlineasm/instructions.rb
index 9196e3c..8728ee4 100644
--- a/Source/JavaScriptCore/offlineasm/instructions.rb
+++ b/Source/JavaScriptCore/offlineasm/instructions.rb
@@ -280,12 +280,12 @@
 
 MIPS_INSTRUCTIONS =
     [
+    "la",
     "movz",
     "movn",
     "slt",
     "sltu",
-    "pichdr",
-    "pichdrra"
+    "pichdr"
     ]
 
 SH4_INSTRUCTIONS =