From 284837daa07b29d6a63a748544a90b1f5842ac5c Mon Sep 17 00:00:00 2001
From: Simon Hausmann <simon.hausmann@nokia.com>
Date: Mon, 10 Sep 2012 19:10:20 +0200
Subject: Imported WebKit commit 68645295d2e3e09af2c942f092556f06aa5f8b0d
 (http://svn.webkit.org/repository/webkit/trunk@128073)

New snapshot
---
 Source/JavaScriptCore/assembler/SH4Assembler.h | 30 ++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

(limited to 'Source/JavaScriptCore/assembler/SH4Assembler.h')

diff --git a/Source/JavaScriptCore/assembler/SH4Assembler.h b/Source/JavaScriptCore/assembler/SH4Assembler.h
index d55d393f2..373f469dc 100644
--- a/Source/JavaScriptCore/assembler/SH4Assembler.h
+++ b/Source/JavaScriptCore/assembler/SH4Assembler.h
@@ -1239,6 +1239,12 @@ public:
         oneShortOp(RTS_OPCODE, false);
     }
 
+    AssemblerLabel labelIgnoringWatchpoints()
+    {
+        m_buffer.ensureSpaceForAnyInstruction();
+        return m_buffer.label();
+    }
+
     AssemblerLabel label()
     {
         m_buffer.ensureSpaceForAnyInstruction();
@@ -2079,6 +2085,30 @@ public:
     static void printBlockInstr(uint16_t* first, unsigned int offset, int nbInstr) {};
 #endif
 
+    static void replaceWithLoad(void* instructionStart)
+    {
+        SH4Word* insPtr = reinterpret_cast<SH4Word*>(instructionStart);
+
+        insPtr += 2; // skip MOV and ADD opcodes
+
+        if (((*insPtr) & 0xf00f) != MOVL_READ_RM_OPCODE) {
+            *insPtr = MOVL_READ_RM_OPCODE | (*insPtr & 0x0ff0);
+            cacheFlush(insPtr, sizeof(SH4Word));
+        }
+    }
+
+    static void replaceWithAddressComputation(void* instructionStart)
+    {
+        SH4Word* insPtr = reinterpret_cast<SH4Word*>(instructionStart);
+
+        insPtr += 2; // skip MOV and ADD opcodes
+
+        if (((*insPtr) & 0xf00f) != MOV_OPCODE) {
+            *insPtr = MOV_OPCODE | (*insPtr & 0x0ff0);
+            cacheFlush(insPtr, sizeof(SH4Word));
+        }
+    }
+
 private:
     SH4Buffer m_buffer;
     int m_claimscratchReg;
-- 
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