WTF/JSC update to r148273

This brings in various bug fixes in the ARM and MIPS assemblers as well as
a Yarr crash fix and performance fix.

This change doesn't compile as-is, but the next change will
apply the modifications necessary to compile. That'll make future updates
easier as it allows for cherry-picking because the modifications are usually
always the same.

Change-Id: Iac32f62c71e8ff908deb41f28f12fbc98c0823e1
Reviewed-by: Lars Knoll <lars.knoll@digia.com>

1 files changed, 13 insertions, 2 deletions

diff --git a/src/3rdparty/masm/assembler/MacroAssemblerARMv7.h b/src/3rdparty/masm/assembler/MacroAssemblerARMv7.h
index 8d7a3a69aa..81c1d7e08a 100644
--- a/src/3rdparty/masm/assembler/MacroAssemblerARMv7.h
+++ b/src/3rdparty/masm/assembler/MacroAssemblerARMv7.h
@@ -59,7 +59,7 @@ public:
         return value >= -255 && value <= 255;
     }
 
-    Vector<LinkRecord>& jumpsToLink() { return m_assembler.jumpsToLink(); }
+    Vector<LinkRecord, 0, UnsafeVectorOverflow>& jumpsToLink() { return m_assembler.jumpsToLink(); }
     void* unlinkedCode() { return m_assembler.unlinkedCode(); }
     bool canCompact(JumpType jumpType) { return m_assembler.canCompact(jumpType); }
     JumpLinkType computeJumpType(JumpType jumpType, const uint8_t* from, const uint8_t* to) { return m_assembler.computeJumpType(jumpType, from, to); }
@@ -263,6 +263,12 @@ public:
         and32(imm, dest, dest);
     }
 
+    void and32(Address src, RegisterID dest)
+    {
+        load32(src, dataTempRegister);
+        and32(dataTempRegister, dest);
+    }
+
     void countLeadingZeros32(RegisterID src, RegisterID dest)
     {
         m_assembler.clz(dest, src);
@@ -1767,9 +1773,14 @@ public:
         return label.labelAtOffset(-twoWordOpSize * 2);
     }
     
-    static void revertJumpReplacementToBranchPtrWithPatch(CodeLocationLabel instructionStart, RegisterID, void* initialValue)
+    static void revertJumpReplacementToBranchPtrWithPatch(CodeLocationLabel instructionStart, RegisterID rd, void* initialValue)
     {
+#if OS(LINUX) || OS(QNX)
+        ARMv7Assembler::revertJumpTo_movT3movtcmpT2(instructionStart.dataLocation(), rd, dataTempRegister, reinterpret_cast<uintptr_t>(initialValue));
+#else
+        UNUSED_PARAM(rd);
         ARMv7Assembler::revertJumpTo_movT3(instructionStart.dataLocation(), dataTempRegister, ARMThumbImmediate::makeUInt16(reinterpret_cast<uintptr_t>(initialValue) & 0xffff));
+#endif
     }
     
     static CodeLocationLabel startOfPatchableBranchPtrWithPatchOnAddress(CodeLocationDataLabelPtr)