ART: Reorder entrypoint argument order

Shuffle the ArtMethod* referrer backwards for easier removal.

Clean up ARM & MIPS assembly code.

Change some macros to make future changes easier.

Change-Id: Ie2862b68bd6e519438e83eecd9e1611df51d7945
diff --git a/compiler/dex/quick/gen_invoke.cc b/compiler/dex/quick/gen_invoke.cc
index eb206a6..c99be64 100755
--- a/compiler/dex/quick/gen_invoke.cc
+++ b/compiler/dex/quick/gen_invoke.cc
@@ -201,16 +201,16 @@
   CallHelper(r_tgt, trampoline, safepoint_pc);
 }
 
-void Mir2Lir::CallRuntimeHelperRegMethodRegLocation(QuickEntrypointEnum trampoline, RegStorage arg0,
-                                                    RegLocation arg2, bool safepoint_pc) {
+void Mir2Lir::CallRuntimeHelperRegRegLocationMethod(QuickEntrypointEnum trampoline, RegStorage arg0,
+                                                    RegLocation arg1, bool safepoint_pc) {
   RegStorage r_tgt = CallHelperSetup(trampoline);
-  DCHECK(!IsSameReg(TargetReg(kArg1, arg0.GetWideKind()), arg0));
+  DCHECK(!IsSameReg(TargetReg(kArg2, arg0.GetWideKind()), arg0));
   RegStorage r_tmp = TargetReg(kArg0, arg0.GetWideKind());
   if (r_tmp.NotExactlyEquals(arg0)) {
     OpRegCopy(r_tmp, arg0);
   }
-  LoadCurrMethodDirect(TargetReg(kArg1, kRef));
-  LoadValueDirectFixed(arg2, TargetReg(kArg2, arg2));
+  LoadValueDirectFixed(arg1, TargetReg(kArg1, arg1));
+  LoadCurrMethodDirect(TargetReg(kArg2, kRef));
   ClobberCallerSave();
   CallHelper(r_tgt, trampoline, safepoint_pc);
 }
@@ -306,21 +306,21 @@
   CallHelper(r_tgt, trampoline, safepoint_pc);
 }
 
-void Mir2Lir::CallRuntimeHelperImmMethodRegLocation(QuickEntrypointEnum trampoline, int arg0,
-                                                    RegLocation arg2, bool safepoint_pc) {
+void Mir2Lir::CallRuntimeHelperImmRegLocationMethod(QuickEntrypointEnum trampoline, int arg0,
+                                                    RegLocation arg1, bool safepoint_pc) {
   RegStorage r_tgt = CallHelperSetup(trampoline);
-  LoadValueDirectFixed(arg2, TargetReg(kArg2, arg2));
-  LoadCurrMethodDirect(TargetReg(kArg1, kRef));
+  LoadValueDirectFixed(arg1, TargetReg(kArg1, arg1));
+  LoadCurrMethodDirect(TargetReg(kArg2, kRef));
   LoadConstant(TargetReg(kArg0, kNotWide), arg0);
   ClobberCallerSave();
   CallHelper(r_tgt, trampoline, safepoint_pc);
 }
 
-void Mir2Lir::CallRuntimeHelperImmMethodImm(QuickEntrypointEnum trampoline, int arg0, int arg2,
+void Mir2Lir::CallRuntimeHelperImmImmMethod(QuickEntrypointEnum trampoline, int arg0, int arg1,
                                             bool safepoint_pc) {
   RegStorage r_tgt = CallHelperSetup(trampoline);
-  LoadCurrMethodDirect(TargetReg(kArg1, kRef));
-  LoadConstant(TargetReg(kArg2, kNotWide), arg2);
+  LoadCurrMethodDirect(TargetReg(kArg2, kRef));
+  LoadConstant(TargetReg(kArg1, kNotWide), arg1);
   LoadConstant(TargetReg(kArg0, kNotWide), arg0);
   ClobberCallerSave();
   CallHelper(r_tgt, trampoline, safepoint_pc);