Simplify AssemblerPositionsRecorder.

src/arm64/assembler-arm64.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
@@ skipping 953 matching lines @@
 void Assembler::EndBlockVeneerPool() {
   if (--veneer_pool_blocked_nesting_ == 0) {
     // Check the veneer pool hasn't been blocked for too long.
     DCHECK(unresolved_branches_.empty() ||
            (pc_offset() < unresolved_branches_first_limit()));
   }
 }
 
 
 void Assembler::br(const Register& xn) {
-  positions_recorder()->WriteRecordedPositions();
   DCHECK(xn.Is64Bits());
   Emit(BR | Rn(xn));
 }
 
 
 void Assembler::blr(const Register& xn) {
-  positions_recorder()->WriteRecordedPositions();
   DCHECK(xn.Is64Bits());
   // The pattern 'blr xzr' is used as a guard to detect when execution falls
   // through the constant pool. It should not be emitted.
   DCHECK(!xn.Is(xzr));
   Emit(BLR | Rn(xn));
 }
 
 
 void Assembler::ret(const Register& xn) {
-  positions_recorder()->WriteRecordedPositions();
   DCHECK(xn.Is64Bits());
   Emit(RET | Rn(xn));
 }
 
 
 void Assembler::b(int imm26) {
   Emit(B | ImmUncondBranch(imm26));
 }
 
 
 void Assembler::b(Label* label) {
-  positions_recorder()->WriteRecordedPositions();
   b(LinkAndGetInstructionOffsetTo(label));
 }
 
 
 void Assembler::b(int imm19, Condition cond) {
   Emit(B_cond | ImmCondBranch(imm19) | cond);
 }
 
 
 void Assembler::b(Label* label, Condition cond) {
-  positions_recorder()->WriteRecordedPositions();
   b(LinkAndGetInstructionOffsetTo(label), cond);
 }
 
 
 void Assembler::bl(int imm26) {
-  positions_recorder()->WriteRecordedPositions();
   Emit(BL | ImmUncondBranch(imm26));
 }
 
 
 void Assembler::bl(Label* label) {
-  positions_recorder()->WriteRecordedPositions();
   bl(LinkAndGetInstructionOffsetTo(label));
 }
 
 
 void Assembler::cbz(const Register& rt,
                     int imm19) {
-  positions_recorder()->WriteRecordedPositions();
   Emit(SF(rt) | CBZ | ImmCmpBranch(imm19) | Rt(rt));
 }
 
 
 void Assembler::cbz(const Register& rt,
                     Label* label) {
-  positions_recorder()->WriteRecordedPositions();
   cbz(rt, LinkAndGetInstructionOffsetTo(label));
 }
 
 
 void Assembler::cbnz(const Register& rt,
                      int imm19) {
-  positions_recorder()->WriteRecordedPositions();
   Emit(SF(rt) | CBNZ | ImmCmpBranch(imm19) | Rt(rt));
 }
 
 
 void Assembler::cbnz(const Register& rt,
                      Label* label) {
-  positions_recorder()->WriteRecordedPositions();
   cbnz(rt, LinkAndGetInstructionOffsetTo(label));
 }
 
 
 void Assembler::tbz(const Register& rt,
                     unsigned bit_pos,
                     int imm14) {
-  positions_recorder()->WriteRecordedPositions();
   DCHECK(rt.Is64Bits() || (rt.Is32Bits() && (bit_pos < kWRegSizeInBits)));
   Emit(TBZ | ImmTestBranchBit(bit_pos) | ImmTestBranch(imm14) | Rt(rt));
 }
 
 
 void Assembler::tbz(const Register& rt,
                     unsigned bit_pos,
                     Label* label) {
-  positions_recorder()->WriteRecordedPositions();
   tbz(rt, bit_pos, LinkAndGetInstructionOffsetTo(label));
 }
 
 
 void Assembler::tbnz(const Register& rt,
                      unsigned bit_pos,
                      int imm14) {
-  positions_recorder()->WriteRecordedPositions();
   DCHECK(rt.Is64Bits() || (rt.Is32Bits() && (bit_pos < kWRegSizeInBits)));
   Emit(TBNZ | ImmTestBranchBit(bit_pos) | ImmTestBranch(imm14) | Rt(rt));
 }
 
 
 void Assembler::tbnz(const Register& rt,
                      unsigned bit_pos,
                      Label* label) {
-  positions_recorder()->WriteRecordedPositions();
   tbnz(rt, bit_pos, LinkAndGetInstructionOffsetTo(label));
 }
 
 
 void Assembler::adr(const Register& rd, int imm21) {
   DCHECK(rd.Is64Bits());
   Emit(ADR | ImmPCRelAddress(imm21) | Rd(rd));
 }
 
 
@@ skipping 2129 matching lines @@
   movk(scratch, (target_offset >> 32) & 0xFFFF, 32);
   DCHECK((target_offset >> 48) == 0);
   add(rd, rd, scratch);
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM64