S390: Enable unaligned accesses and character preloading in regexp.

src/s390/macro-assembler-s390.h

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_S390_MACRO_ASSEMBLER_S390_H_
 #define V8_S390_MACRO_ASSEMBLER_S390_H_
 
 #include "src/assembler.h"
 #include "src/bailout-reason.h"
 #include "src/frames.h"
@@ skipping 94 matching lines @@
 #define SubP_RRR sgrk
 #define SubLogicalP_RRR slgrk
 #define AndP_RRR ngrk
 #define OrP_RRR ogrk
 #define XorP_RRR xgrk
 
 // Load / Store
 #define LoadRR lgr
 #define LoadAndTestRR ltgr
 #define LoadImmP lghi
-#define LoadLogicalHalfWordP llgh
 
 // Compare
 #define CmpPH cghi
 #define CmpLogicalPW clgfi
 
 // Shifts
 #define ShiftLeftP sllg
 #define ShiftRightP srlg
 #define ShiftLeftArithP slag
 #define ShiftRightArithP srag
@@ skipping 17 matching lines @@
 #define SubP_RRR srk
 #define SubLogicalP_RRR slrk
 #define AndP_RRR nrk
 #define OrP_RRR ork
 #define XorP_RRR xrk
 
 // Load / Store
 #define LoadRR lr
 #define LoadAndTestRR ltr
 #define LoadImmP lhi
-#define LoadLogicalHalfWordP llh
 
 // Compare
 #define CmpPH chi
 #define CmpLogicalPW clfi
 
 // Shifts
 #define ShiftLeftP ShiftLeft
 #define ShiftRightP ShiftRight
 #define ShiftLeftArithP ShiftLeftArith
 #define ShiftRightArithP ShiftRightArith
@@ skipping 162 matching lines @@
   // Compare Logical Byte (CLI/CLIY)
   void CmpLogicalByte(const MemOperand& mem, const Operand& imm);
 
   // Load 32bit
   void Load(Register dst, const MemOperand& opnd);
   void Load(Register dst, const Operand& opnd);
   void LoadW(Register dst, const MemOperand& opnd, Register scratch = no_reg);
   void LoadW(Register dst, Register src);
   void LoadlW(Register dst, const MemOperand& opnd, Register scratch = no_reg);
   void LoadlW(Register dst, Register src);
+  void LoadLogicalHalfWordP(Register dst, const MemOperand& opnd);
+  void LoadLogicalHalfWordP(Register dst, Register src);
   void LoadB(Register dst, const MemOperand& opnd);
   void LoadB(Register dst, Register src);
   void LoadlB(Register dst, const MemOperand& opnd);
 
+  void LoadLogicalReversedWordP(Register dst, const MemOperand& opnd);
+  void LoadLogicalReversedHalfWordP(Register dst, const MemOperand& opnd);
+
   // Load And Test
   void LoadAndTest32(Register dst, Register src);
   void LoadAndTestP_ExtendSrc(Register dst, Register src);
   void LoadAndTestP(Register dst, Register src);
 
   void LoadAndTest32(Register dst, const MemOperand& opnd);
   void LoadAndTestP(Register dst, const MemOperand& opnd);
 
   // Load Floating Point
   void LoadDouble(DoubleRegister dst, const MemOperand& opnd);
@@ skipping 1556 matching lines @@
 inline MemOperand NativeContextMemOperand() {
   return ContextMemOperand(cp, Context::NATIVE_CONTEXT_INDEX);
 }
 
 #define ACCESS_MASM(masm) masm->
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_S390_MACRO_ASSEMBLER_S390_H_