Rename A64 port to ARM64 port

src/arm64/macro-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
 //       disclaimer in the documentation and/or other materials provided
 //       with the distribution.
 //     * Neither the name of Google Inc. nor the names of its
 //       contributors may be used to endorse or promote products derived
 //       from this software without specific prior written permission.
 //
 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #include "v8.h"
 
-#if V8_TARGET_ARCH_A64
+#if V8_TARGET_ARCH_ARM64
 
 #include "bootstrapper.h"
 #include "codegen.h"
 #include "cpu-profiler.h"
 #include "debug.h"
 #include "isolate-inl.h"
 #include "runtime.h"
 
 namespace v8 {
 namespace internal {
@@ skipping 1806 matching lines @@
   SmiTag(scratch1, length);
   Str(scratch2, FieldMemOperand(string, HeapObject::kMapOffset));
 
   Mov(scratch2, String::kEmptyHashField);
   Str(scratch1, FieldMemOperand(string, String::kLengthOffset));
   Str(scratch2, FieldMemOperand(string, String::kHashFieldOffset));
 }
 
 
 int MacroAssembler::ActivationFrameAlignment() {
-#if V8_HOST_ARCH_A64
+#if V8_HOST_ARCH_ARM64
   // Running on the real platform. Use the alignment as mandated by the local
   // environment.
   // Note: This will break if we ever start generating snapshots on one ARM
   // platform for another ARM platform with a different alignment.
   return OS::ActivationFrameAlignment();
-#else  // V8_HOST_ARCH_A64
+#else  // V8_HOST_ARCH_ARM64
   // If we are using the simulator then we should always align to the expected
   // alignment. As the simulator is used to generate snapshots we do not know
   // if the target platform will need alignment, so this is controlled from a
   // flag.
   return FLAG_sim_stack_alignment;
-#endif  // V8_HOST_ARCH_A64
+#endif  // V8_HOST_ARCH_ARM64
 }
 
 
 void MacroAssembler::CallCFunction(ExternalReference function,
                                    int num_of_reg_args) {
   CallCFunction(function, num_of_reg_args, 0);
 }
 
 
 void MacroAssembler::CallCFunction(ExternalReference function,
@@ skipping 1365 matching lines @@
       // Assert that result actually contains top on entry.
       Ldr(scratch3, MemOperand(top_address));
       Cmp(result, scratch3);
       Check(eq, kUnexpectedAllocationTop);
     }
     // Load the allocation limit. 'result' already contains the allocation top.
     Ldr(allocation_limit, MemOperand(top_address, limit - top));
   }
 
   // We can ignore DOUBLE_ALIGNMENT flags here because doubles and pointers have
-  // the same alignment on A64.
+  // the same alignment on ARM64.
   STATIC_ASSERT(kPointerAlignment == kDoubleAlignment);
 
   // Calculate new top and bail out if new space is exhausted.
   Adds(scratch3, result, object_size);
   B(vs, gc_required);
   Cmp(scratch3, allocation_limit);
   B(hi, gc_required);
   Str(scratch3, MemOperand(top_address));
 
   // Tag the object if requested.
@@ skipping 51 matching lines @@
       // Assert that result actually contains top on entry.
       Ldr(scratch3, MemOperand(top_address));
       Cmp(result, scratch3);
       Check(eq, kUnexpectedAllocationTop);
     }
     // Load the allocation limit. 'result' already contains the allocation top.
     Ldr(allocation_limit, MemOperand(top_address, limit - top));
   }
 
   // We can ignore DOUBLE_ALIGNMENT flags here because doubles and pointers have
-  // the same alignment on A64.
+  // the same alignment on ARM64.
   STATIC_ASSERT(kPointerAlignment == kDoubleAlignment);
 
   // Calculate new top and bail out if new space is exhausted
   if ((flags & SIZE_IN_WORDS) != 0) {
     Adds(scratch3, result, Operand(object_size, LSL, kPointerSizeLog2));
   } else {
     Adds(scratch3, result, object_size);
   }
 
   if (emit_debug_code()) {
@@ skipping 494 matching lines @@
   Ldrb(scratch, FieldMemOperand(map, Map::kBitField2Offset));
   Cmp(scratch, Operand(Map::kMaximumBitField2FastHoleySmiElementValue));
   // If cond==ls, set cond=hi, otherwise compare.
   Ccmp(scratch,
        Operand(Map::kMaximumBitField2FastHoleyElementValue), CFlag, hi);
   B(hi, fail);
 }
 
 
 // Note: The ARM version of this clobbers elements_reg, but this version does
-// not. Some uses of this in A64 assume that elements_reg will be preserved.
+// not. Some uses of this in ARM64 assume that elements_reg will be preserved.
 void MacroAssembler::StoreNumberToDoubleElements(Register value_reg,
                                                  Register key_reg,
                                                  Register elements_reg,
                                                  Register scratch1,
                                                  FPRegister fpscratch1,
                                                  FPRegister fpscratch2,
                                                  Label* fail,
                                                  int elements_offset) {
   ASSERT(!AreAliased(value_reg, key_reg, elements_reg, scratch1));
   Label store_num;
@@ skipping 1165 matching lines @@
   // When the stub is called, the sequence is replaced with the young sequence
   // (as in EmitFrameSetupForCodeAgePatching). After the code is replaced, the
   // stub jumps to &start, stored in x0. The young sequence does not call the
   // stub so there is no infinite loop here.
   //
   // A branch (br) is used rather than a call (blr) because this code replaces
   // the frame setup code that would normally preserve lr.
   __ LoadLiteral(ip0, kCodeAgeStubEntryOffset);
   __ adr(x0, &start);
   __ br(ip0);
-  // IsCodeAgeSequence in codegen-a64.cc assumes that the code generated up
+  // IsCodeAgeSequence in codegen-arm64.cc assumes that the code generated up
   // until now (kCodeAgeStubEntryOffset) is the same for all code age sequences.
   __ AssertSizeOfCodeGeneratedSince(&start, kCodeAgeStubEntryOffset);
   if (stub) {
     __ dc64(reinterpret_cast<uint64_t>(stub->instruction_start()));
     __ AssertSizeOfCodeGeneratedSince(&start, kCodeAgeSequenceSize);
   }
 }
 
 
 bool MacroAssembler::IsYoungSequence(byte* sequence) {
@@ skipping 122 matching lines @@
     }
   }
 }
 
 
 #undef __
 
 
 } }  // namespace v8::internal
 
-#endif  // V8_TARGET_ARCH_A64
+#endif  // V8_TARGET_ARCH_ARM64