From 58c8662b7b992c2bb3866497e2ea7c6851068301 Mon Sep 17 00:00:00 2001
From: David Anderson <danderson@mozilla.com>
Date: Sat, 5 Jun 2010 18:01:06 -0700
Subject: [PATCH] [JAEGER] Added JSOP_SETARG.

---
 js/src/methodjit/Compiler.cpp | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/js/src/methodjit/Compiler.cpp b/js/src/methodjit/Compiler.cpp
index 4b20c77e057..a765130bc7c 100644
--- a/js/src/methodjit/Compiler.cpp
+++ b/js/src/methodjit/Compiler.cpp
@@ -646,6 +646,21 @@ mjit::Compiler::generateMethod()
           }
           END_CASE(JSOP_GETARG)
 
+          BEGIN_CASE(JSOP_SETARG)
+          {
+            uint32 slot = GET_SLOTNO(PC);
+            FrameEntry *top = frame.peek(-1);
+
+            bool popped = PC[JSOP_SETARG_LENGTH] == JSOP_POP;
+
+            RegisterID reg = frame.allocReg();
+            masm.loadPtr(Address(Assembler::FpReg, offsetof(JSStackFrame, argv)), reg);
+            Address address = Address(reg, slot * sizeof(Value));
+            frame.storeTo(top, address, popped);
+            frame.freeReg(reg);
+          }
+          END_CASE(JSOP_SETARG)
+
           BEGIN_CASE(JSOP_GETLOCAL)
           {
             uint32 slot = GET_SLOTNO(PC);