Allow mixing of thread offsets between 32 and 64bit architectures.

Begin a more full implementation x86-64 REX prefixes.
Doesn't implement 64bit thread offset support for the JNI compiler.

Change-Id: If9af2f08a1833c21ddb4b4077f9b03add1a05147
diff --git a/compiler/dex/quick/mips/call_mips.cc b/compiler/dex/quick/mips/call_mips.cc
index 972457a..a938478 100644
--- a/compiler/dex/quick/mips/call_mips.cc
+++ b/compiler/dex/quick/mips/call_mips.cc
@@ -244,7 +244,7 @@
   GenBarrier();
   NewLIR0(kMipsCurrPC);  // Really a jal to .+8
   // Now, fill the branch delay slot with the helper load
-  RegStorage r_tgt = LoadHelper(QUICK_ENTRYPOINT_OFFSET(pHandleFillArrayData));
+  RegStorage r_tgt = LoadHelper(QUICK_ENTRYPOINT_OFFSET(4, pHandleFillArrayData));
   GenBarrier();  // Scheduling barrier
 
   // Construct BaseLabel and set up table base register
@@ -260,7 +260,7 @@
 }
 
 void MipsMir2Lir::GenMoveException(RegLocation rl_dest) {
-  int ex_offset = Thread::ExceptionOffset().Int32Value();
+  int ex_offset = Thread::ExceptionOffset<4>().Int32Value();
   RegLocation rl_result = EvalLoc(rl_dest, kCoreReg, true);
   RegStorage reset_reg = AllocTemp();
   LoadWordDisp(rs_rMIPS_SELF, ex_offset, rl_result.reg);
@@ -277,7 +277,7 @@
   RegStorage reg_card_base = AllocTemp();
   RegStorage reg_card_no = AllocTemp();
   LIR* branch_over = OpCmpImmBranch(kCondEq, val_reg, 0, NULL);
-  LoadWordDisp(rs_rMIPS_SELF, Thread::CardTableOffset().Int32Value(), reg_card_base);
+  LoadWordDisp(rs_rMIPS_SELF, Thread::CardTableOffset<4>().Int32Value(), reg_card_base);
   OpRegRegImm(kOpLsr, reg_card_no, tgt_addr_reg, gc::accounting::CardTable::kCardShift);
   StoreBaseIndexed(reg_card_base, reg_card_no, reg_card_base, 0, kUnsignedByte);
   LIR* target = NewLIR0(kPseudoTargetLabel);
@@ -310,7 +310,7 @@
   RegStorage new_sp = AllocTemp();
   if (!skip_overflow_check) {
     /* Load stack limit */
-    LoadWordDisp(rs_rMIPS_SELF, Thread::StackEndOffset().Int32Value(), check_reg);
+    LoadWordDisp(rs_rMIPS_SELF, Thread::StackEndOffset<4>().Int32Value(), check_reg);
   }
   /* Spill core callee saves */
   SpillCoreRegs();
@@ -331,7 +331,7 @@
         m2l_->LoadWordDisp(rs_rMIPS_SP, 0, rs_rRA);
         m2l_->OpRegImm(kOpAdd, rs_rMIPS_SP, sp_displace_);
         m2l_->ClobberCallerSave();
-        ThreadOffset func_offset = QUICK_ENTRYPOINT_OFFSET(pThrowStackOverflow);
+        ThreadOffset<4> func_offset = QUICK_ENTRYPOINT_OFFSET(4, pThrowStackOverflow);
         RegStorage r_tgt = m2l_->CallHelperSetup(func_offset);  // Doesn't clobber LR.
         m2l_->CallHelper(r_tgt, func_offset, false /* MarkSafepointPC */, false /* UseLink */);
       }
diff --git a/compiler/dex/quick/mips/codegen_mips.h b/compiler/dex/quick/mips/codegen_mips.h
index bc1ad02..0f9da6a 100644
--- a/compiler/dex/quick/mips/codegen_mips.h
+++ b/compiler/dex/quick/mips/codegen_mips.h
@@ -30,7 +30,7 @@
     bool SmallLiteralDivRem(Instruction::Code dalvik_opcode, bool is_div, RegLocation rl_src,
                             RegLocation rl_dest, int lit);
     LIR* CheckSuspendUsingLoad() OVERRIDE;
-    RegStorage LoadHelper(ThreadOffset offset);
+    RegStorage LoadHelper(ThreadOffset<4> offset);
     LIR* LoadBaseDisp(int r_base, int displacement, int r_dest, OpSize size, int s_reg);
     LIR* LoadBaseDisp(RegStorage r_base, int displacement, RegStorage r_dest, OpSize size,
                       int s_reg);
@@ -170,12 +170,12 @@
     LIR* OpRegRegImm(OpKind op, RegStorage r_dest, RegStorage r_src1, int value);
     LIR* OpRegRegReg(OpKind op, RegStorage r_dest, RegStorage r_src1, RegStorage r_src2);
     LIR* OpTestSuspend(LIR* target);
-    LIR* OpThreadMem(OpKind op, ThreadOffset thread_offset);
+    LIR* OpThreadMem(OpKind op, ThreadOffset<4> thread_offset);
     LIR* OpVldm(RegStorage r_base, int count);
     LIR* OpVstm(RegStorage r_base, int count);
     void OpLea(RegStorage r_base, RegStorage reg1, RegStorage reg2, int scale, int offset);
     void OpRegCopyWide(RegStorage dest, RegStorage src);
-    void OpTlsCmp(ThreadOffset offset, int val);
+    void OpTlsCmp(ThreadOffset<4> offset, int val);
 
     // TODO: collapse r_dest.
     LIR* LoadBaseDispBody(RegStorage r_base, int displacement, RegStorage r_dest,
diff --git a/compiler/dex/quick/mips/fp_mips.cc b/compiler/dex/quick/mips/fp_mips.cc
index 2bc5540..a479dc7 100644
--- a/compiler/dex/quick/mips/fp_mips.cc
+++ b/compiler/dex/quick/mips/fp_mips.cc
@@ -50,7 +50,7 @@
     case Instruction::REM_FLOAT_2ADDR:
     case Instruction::REM_FLOAT:
       FlushAllRegs();   // Send everything to home location
-      CallRuntimeHelperRegLocationRegLocation(QUICK_ENTRYPOINT_OFFSET(pFmodf), rl_src1, rl_src2,
+      CallRuntimeHelperRegLocationRegLocation(QUICK_ENTRYPOINT_OFFSET(4, pFmodf), rl_src1, rl_src2,
                                               false);
       rl_result = GetReturn(true);
       StoreValue(rl_dest, rl_result);
@@ -93,7 +93,7 @@
     case Instruction::REM_DOUBLE_2ADDR:
     case Instruction::REM_DOUBLE:
       FlushAllRegs();   // Send everything to home location
-      CallRuntimeHelperRegLocationRegLocation(QUICK_ENTRYPOINT_OFFSET(pFmod), rl_src1, rl_src2,
+      CallRuntimeHelperRegLocationRegLocation(QUICK_ENTRYPOINT_OFFSET(4, pFmod), rl_src1, rl_src2,
                                               false);
       rl_result = GetReturnWide(true);
       StoreValueWide(rl_dest, rl_result);
@@ -135,22 +135,22 @@
       op = kMipsFcvtdw;
       break;
     case Instruction::FLOAT_TO_INT:
-      GenConversionCall(QUICK_ENTRYPOINT_OFFSET(pF2iz), rl_dest, rl_src);
+      GenConversionCall(QUICK_ENTRYPOINT_OFFSET(4, pF2iz), rl_dest, rl_src);
       return;
     case Instruction::DOUBLE_TO_INT:
-      GenConversionCall(QUICK_ENTRYPOINT_OFFSET(pD2iz), rl_dest, rl_src);
+      GenConversionCall(QUICK_ENTRYPOINT_OFFSET(4, pD2iz), rl_dest, rl_src);
       return;
     case Instruction::LONG_TO_DOUBLE:
-      GenConversionCall(QUICK_ENTRYPOINT_OFFSET(pL2d), rl_dest, rl_src);
+      GenConversionCall(QUICK_ENTRYPOINT_OFFSET(4, pL2d), rl_dest, rl_src);
       return;
     case Instruction::FLOAT_TO_LONG:
-      GenConversionCall(QUICK_ENTRYPOINT_OFFSET(pF2l), rl_dest, rl_src);
+      GenConversionCall(QUICK_ENTRYPOINT_OFFSET(4, pF2l), rl_dest, rl_src);
       return;
     case Instruction::LONG_TO_FLOAT:
-      GenConversionCall(QUICK_ENTRYPOINT_OFFSET(pL2f), rl_dest, rl_src);
+      GenConversionCall(QUICK_ENTRYPOINT_OFFSET(4, pL2f), rl_dest, rl_src);
       return;
     case Instruction::DOUBLE_TO_LONG:
-      GenConversionCall(QUICK_ENTRYPOINT_OFFSET(pD2l), rl_dest, rl_src);
+      GenConversionCall(QUICK_ENTRYPOINT_OFFSET(4, pD2l), rl_dest, rl_src);
       return;
     default:
       LOG(FATAL) << "Unexpected opcode: " << opcode;
@@ -176,22 +176,22 @@
 void MipsMir2Lir::GenCmpFP(Instruction::Code opcode, RegLocation rl_dest,
                            RegLocation rl_src1, RegLocation rl_src2) {
   bool wide = true;
-  ThreadOffset offset(-1);
+  ThreadOffset<4> offset(-1);
 
   switch (opcode) {
     case Instruction::CMPL_FLOAT:
-      offset = QUICK_ENTRYPOINT_OFFSET(pCmplFloat);
+      offset = QUICK_ENTRYPOINT_OFFSET(4, pCmplFloat);
       wide = false;
       break;
     case Instruction::CMPG_FLOAT:
-      offset = QUICK_ENTRYPOINT_OFFSET(pCmpgFloat);
+      offset = QUICK_ENTRYPOINT_OFFSET(4, pCmpgFloat);
       wide = false;
       break;
     case Instruction::CMPL_DOUBLE:
-      offset = QUICK_ENTRYPOINT_OFFSET(pCmplDouble);
+      offset = QUICK_ENTRYPOINT_OFFSET(4, pCmplDouble);
       break;
     case Instruction::CMPG_DOUBLE:
-      offset = QUICK_ENTRYPOINT_OFFSET(pCmpgDouble);
+      offset = QUICK_ENTRYPOINT_OFFSET(4, pCmpgDouble);
       break;
     default:
       LOG(FATAL) << "Unexpected opcode: " << opcode;
diff --git a/compiler/dex/quick/mips/int_mips.cc b/compiler/dex/quick/mips/int_mips.cc
index dfe8b35..2424dc5 100644
--- a/compiler/dex/quick/mips/int_mips.cc
+++ b/compiler/dex/quick/mips/int_mips.cc
@@ -270,7 +270,7 @@
   LOG(FATAL) << "Unexpected use of OpLea for Arm";
 }
 
-void MipsMir2Lir::OpTlsCmp(ThreadOffset offset, int val) {
+void MipsMir2Lir::OpTlsCmp(ThreadOffset<4> offset, int val) {
   LOG(FATAL) << "Unexpected use of OpTlsCmp for Arm";
 }
 
diff --git a/compiler/dex/quick/mips/target_mips.cc b/compiler/dex/quick/mips/target_mips.cc
index 67a44fa..1fe2bea 100644
--- a/compiler/dex/quick/mips/target_mips.cc
+++ b/compiler/dex/quick/mips/target_mips.cc
@@ -514,14 +514,14 @@
  * ensure that all branch instructions can be restarted if
  * there is a trap in the shadow.  Allocate a temp register.
  */
-RegStorage MipsMir2Lir::LoadHelper(ThreadOffset offset) {
+RegStorage MipsMir2Lir::LoadHelper(ThreadOffset<4> offset) {
   LoadWordDisp(rs_rMIPS_SELF, offset.Int32Value(), rs_rT9);
   return rs_rT9;
 }
 
 LIR* MipsMir2Lir::CheckSuspendUsingLoad() {
   RegStorage tmp = AllocTemp();
-  LoadWordDisp(rs_rMIPS_SELF, Thread::ThreadSuspendTriggerOffset().Int32Value(), tmp);
+  LoadWordDisp(rs_rMIPS_SELF, Thread::ThreadSuspendTriggerOffset<4>().Int32Value(), tmp);
   LIR *inst = LoadWordDisp(tmp, 0, tmp);
   FreeTemp(tmp);
   return inst;
diff --git a/compiler/dex/quick/mips/utility_mips.cc b/compiler/dex/quick/mips/utility_mips.cc
index 4f31341..c959510 100644
--- a/compiler/dex/quick/mips/utility_mips.cc
+++ b/compiler/dex/quick/mips/utility_mips.cc
@@ -642,7 +642,7 @@
   return StoreBaseDispBody(r_base, displacement, r_src.GetLow(), r_src.GetHigh(), kLong);
 }
 
-LIR* MipsMir2Lir::OpThreadMem(OpKind op, ThreadOffset thread_offset) {
+LIR* MipsMir2Lir::OpThreadMem(OpKind op, ThreadOffset<4> thread_offset) {
   LOG(FATAL) << "Unexpected use of OpThreadMem for MIPS";
   return NULL;
 }