Enables all startup code for arm64.

runtime/vm/constants_arm64.h

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_CONSTANTS_ARM64_H_
 #define VM_CONSTANTS_ARM64_H_
 
 #include "platform/assert.h"
 
 namespace dart {
@@ skipping 355 matching lines @@
 };
 
 // C3.5.1
 enum AddSubShiftExtOp {
   AddSubShiftExtMask = 0x1f000000,
   AddSubShiftExtFixed = DPRegisterFixed | B24,
   ADD = AddSubShiftExtFixed,
   SUB = AddSubShiftExtFixed | B30,
 };
 
+// C3.5.6
+enum ConditionalSelectOp {
+  ConditionalSelectMask = 0x1fe00000,
+  ConditionalSelectFixed = DPRegisterFixed | B28 | B23,
+  CSEL = ConditionalSelectFixed,
+};
+
 // C3.5.8
 enum MiscDP2SourceOp {
   MiscDP2SourceMask = 0x5fe00000,
   MiscDP2SourceFixed = DPRegisterFixed | B28 | B23 | B22,
   UDIV = MiscDP2SourceFixed | B11,
   SDIV = MiscDP2SourceFixed | B11 | B10,
   LSLV = MiscDP2SourceFixed | B13,
   LSRV = MiscDP2SourceFixed | B13 | B10,
   ASRV = MiscDP2SourceFixed | B13 | B11,
 };
@@ skipping 33 matching lines @@
 _V(TestAndBranch)                                                              \
 _V(UnconditionalBranch)                                                        \
 _V(UnconditionalBranchReg)                                                     \
 _V(LoadStoreReg)                                                               \
 _V(LoadRegLiteral)                                                             \
 _V(AddSubImm)                                                                  \
 _V(LogicalImm)                                                                 \
 _V(MoveWide)                                                                   \
 _V(PCRel)                                                                      \
 _V(AddSubShiftExt)                                                             \
+_V(ConditionalSelect)                                                          \
 _V(MiscDP2Source)                                                              \
 _V(MiscDP3Source)                                                              \
 _V(LogicalShift)                                                               \
 
 
 enum Shift {
   kNoShift = -1,
   LSL = 0,  // Logical shift left
   LSR = 1,  // Logical shift right
   ASR = 2,  // Arithmetic shift right
@@ skipping 64 matching lines @@
   kImm16Mask = 0xffff << kImm16Shift,
   kImm19Shift = 5,
   kImm19Bits = 19,
   kImm19Mask = 0x7ffff << kImm19Shift,
   kImm26Shift = 0,
   kImm26Bits = 26,
 
   kCondShift = 0,
   kCondBits = 4,
 
+  kSelCondShift = 12,
+  kSelCondBits = 4,
+
   // Bitfield immediates.
   kNShift = 22,
   kNBits = 1,
   kImmRShift = 16,
   kImmRBits = 6,
   kImmSShift = 10,
   kImmSBits = 6,
 
   kHWShift = 21,
   kHWBits = 2,
@@ skipping 145 matching lines @@
   inline int Imm19Field() const { return Bits(kImm19Shift, kImm19Bits); }
   inline int64_t SImm19Field() const {
       return (static_cast<int32_t>(Imm19Field()) << 13) >> 13; }
   inline int Imm26Field() const { return Bits(kImm26Shift, kImm26Bits); }
   inline int64_t SImm26Field() const {
       return (static_cast<int32_t>(Imm26Field()) << 6) >> 6; }
 
   inline Condition ConditionField() const {
     return static_cast<Condition>(Bits(kCondShift, kCondBits));
   }
+  inline Condition SelectConditionField() const {
+    return static_cast<Condition>(Bits(kSelCondShift, kSelCondBits));
+  }
 
   // Shift and Extend.
   inline bool IsShift() const {
     return IsLogicalShiftOp() || (Bit(kAddShiftExtendShift) == 0);
   }
   inline bool IsExtend() const {
     return !IsLogicalShiftOp() && (Bit(kAddShiftExtendShift) == 1);
   }
   inline Shift ShiftTypeField() const {
       return static_cast<Shift>(Bits(kShiftTypeShift, kShiftTypeBits)); }
@@ skipping 106 matching lines @@
   static Instr* At(uword pc) { return reinterpret_cast<Instr*>(pc); }
 
  private:
   DISALLOW_ALLOCATION();
   DISALLOW_IMPLICIT_CONSTRUCTORS(Instr);
 };
 
 }  // namespace dart
 
 #endif  // VM_CONSTANTS_ARM64_H_