Revert "Rework Quick compiler's register handling"

This reverts commit 2c1ed456dcdb027d097825dd98dbe48c71599b6c.

Change-Id: If88d69ba88e0af0b407ff2240566d7e4545d8a99
diff --git a/compiler/dex/quick/mips/codegen_mips.h b/compiler/dex/quick/mips/codegen_mips.h
index 61eb68d..dad8a3b 100644
--- a/compiler/dex/quick/mips/codegen_mips.h
+++ b/compiler/dex/quick/mips/codegen_mips.h
@@ -49,7 +49,7 @@
     bool IsFpReg(int reg);
     bool SameRegType(int reg1, int reg2);
     int AllocTypedTemp(bool fp_hint, int reg_class);
-    RegStorage AllocTypedTempWide(bool fp_hint, int reg_class);
+    int AllocTypedTempPair(bool fp_hint, int reg_class);
     int S2d(int low_reg, int high_reg);
     int TargetReg(SpecialTargetRegister reg);
     int GetArgMappingToPhysicalReg(int arg_num);