Rename ASSERT* to DCHECK*.

src/x64/regexp-macro-assembler-x64.cc

 // Copyright 2012 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.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_X64
 
 #include "src/cpu-profiler.h"
 #include "src/log.h"
@@ skipping 91 matching lines @@
       no_root_array_scope_(&masm_),
       code_relative_fixup_positions_(4, zone),
       mode_(mode),
       num_registers_(registers_to_save),
       num_saved_registers_(registers_to_save),
       entry_label_(),
       start_label_(),
       success_label_(),
       backtrack_label_(),
       exit_label_() {
-  ASSERT_EQ(0, registers_to_save % 2);
+  DCHECK_EQ(0, registers_to_save % 2);
   __ jmp(&entry_label_);   // We'll write the entry code when we know more.
   __ bind(&start_label_);  // And then continue from here.
 }
 
 
 RegExpMacroAssemblerX64::~RegExpMacroAssemblerX64() {
   // Unuse labels in case we throw away the assembler without calling GetCode.
   entry_label_.Unuse();
   start_label_.Unuse();
   success_label_.Unuse();
@@ skipping 10 matching lines @@
 
 
 void RegExpMacroAssemblerX64::AdvanceCurrentPosition(int by) {
   if (by != 0) {
     __ addq(rdi, Immediate(by * char_size()));
   }
 }
 
 
 void RegExpMacroAssemblerX64::AdvanceRegister(int reg, int by) {
-  ASSERT(reg >= 0);
-  ASSERT(reg < num_registers_);
+  DCHECK(reg >= 0);
+  DCHECK(reg < num_registers_);
   if (by != 0) {
     __ addp(register_location(reg), Immediate(by));
   }
 }
 
 
 void RegExpMacroAssemblerX64::Backtrack() {
   CheckPreemption();
   // Pop Code* offset from backtrack stack, add Code* and jump to location.
   Pop(rbx);
@@ skipping 133 matching lines @@
     __ addp(r11, Immediate(1));
     __ addp(r9, Immediate(1));
     // Compare to end of capture, and loop if not done.
     __ cmpp(r9, rbx);
     __ j(below, &loop);
 
     // Compute new value of character position after the matched part.
     __ movp(rdi, r11);
     __ subq(rdi, rsi);
   } else {
-    ASSERT(mode_ == UC16);
+    DCHECK(mode_ == UC16);
     // Save important/volatile registers before calling C function.
 #ifndef _WIN64
     // Caller save on Linux and callee save in Windows.
     __ pushq(rsi);
     __ pushq(rdi);
 #endif
     __ pushq(backtrack_stackpointer());
 
     static const int num_arguments = 4;
     __ PrepareCallCFunction(num_arguments);
@@ skipping 88 matching lines @@
   // rbx - current capture character address.
   // rbx - current input character address .
   // r9 - end of input to match (capture length after rbx).
 
   Label loop;
   __ bind(&loop);
   if (mode_ == ASCII) {
     __ movzxbl(rax, Operand(rdx, 0));
     __ cmpb(rax, Operand(rbx, 0));
   } else {
-    ASSERT(mode_ == UC16);
+    DCHECK(mode_ == UC16);
     __ movzxwl(rax, Operand(rdx, 0));
     __ cmpw(rax, Operand(rbx, 0));
   }
   BranchOrBacktrack(not_equal, on_no_match);
   // Increment pointers into capture and match string.
   __ addp(rbx, Immediate(char_size()));
   __ addp(rdx, Immediate(char_size()));
   // Check if we have reached end of match area.
   __ cmpp(rdx, r9);
   __ j(below, &loop);
@@ skipping 40 matching lines @@
   }
   BranchOrBacktrack(not_equal, on_not_equal);
 }
 
 
 void RegExpMacroAssemblerX64::CheckNotCharacterAfterMinusAnd(
     uc16 c,
     uc16 minus,
     uc16 mask,
     Label* on_not_equal) {
-  ASSERT(minus < String::kMaxUtf16CodeUnit);
+  DCHECK(minus < String::kMaxUtf16CodeUnit);
   __ leap(rax, Operand(current_character(), -minus));
   __ andp(rax, Immediate(mask));
   __ cmpl(rax, Immediate(c));
   BranchOrBacktrack(not_equal, on_not_equal);
 }
 
 
 void RegExpMacroAssemblerX64::CheckCharacterInRange(
     uc16 from,
     uc16 to,
@@ skipping 110 matching lines @@
     }
     return true;
   }
   case 'w': {
     if (mode_ != ASCII) {
       // Table is 128 entries, so all ASCII characters can be tested.
       __ cmpl(current_character(), Immediate('z'));
       BranchOrBacktrack(above, on_no_match);
     }
     __ Move(rbx, ExternalReference::re_word_character_map());
-    ASSERT_EQ(0, word_character_map[0]);  // Character '\0' is not a word char.
+    DCHECK_EQ(0, word_character_map[0]);  // Character '\0' is not a word char.
     __ testb(Operand(rbx, current_character(), times_1, 0),
              current_character());
     BranchOrBacktrack(zero, on_no_match);
     return true;
   }
   case 'W': {
     Label done;
     if (mode_ != ASCII) {
       // Table is 128 entries, so all ASCII characters can be tested.
       __ cmpl(current_character(), Immediate('z'));
       __ j(above, &done);
     }
     __ Move(rbx, ExternalReference::re_word_character_map());
-    ASSERT_EQ(0, word_character_map[0]);  // Character '\0' is not a word char.
+    DCHECK_EQ(0, word_character_map[0]);  // Character '\0' is not a word char.
     __ testb(Operand(rbx, current_character(), times_1, 0),
              current_character());
     BranchOrBacktrack(not_zero, on_no_match);
     if (mode_ != ASCII) {
       __ bind(&done);
     }
     return true;
   }
 
   case '*':
@@ skipping 38 matching lines @@
   __ movq(Operand(rbp, kStartIndex), rdx);  // Passed as int32 in edx.
   __ movq(Operand(rbp, kInputStart), r8);
   __ movq(Operand(rbp, kInputEnd), r9);
   // Callee-save on Win64.
   __ pushq(rsi);
   __ pushq(rdi);
   __ pushq(rbx);
 #else
   // GCC passes arguments in rdi, rsi, rdx, rcx, r8, r9 (and then on stack).
   // Push register parameters on stack for reference.
-  ASSERT_EQ(kInputString, -1 * kRegisterSize);
-  ASSERT_EQ(kStartIndex, -2 * kRegisterSize);
-  ASSERT_EQ(kInputStart, -3 * kRegisterSize);
-  ASSERT_EQ(kInputEnd, -4 * kRegisterSize);
-  ASSERT_EQ(kRegisterOutput, -5 * kRegisterSize);
-  ASSERT_EQ(kNumOutputRegisters, -6 * kRegisterSize);
+  DCHECK_EQ(kInputString, -1 * kRegisterSize);
+  DCHECK_EQ(kStartIndex, -2 * kRegisterSize);
+  DCHECK_EQ(kInputStart, -3 * kRegisterSize);
+  DCHECK_EQ(kInputEnd, -4 * kRegisterSize);
+  DCHECK_EQ(kRegisterOutput, -5 * kRegisterSize);
+  DCHECK_EQ(kNumOutputRegisters, -6 * kRegisterSize);
   __ pushq(rdi);
   __ pushq(rsi);
   __ pushq(rdx);
   __ pushq(rcx);
   __ pushq(r8);
   __ pushq(r9);
 
   __ pushq(rbx);  // Callee-save
 #endif
 
@@ skipping 327 matching lines @@
 RegExpMacroAssembler::IrregexpImplementation
     RegExpMacroAssemblerX64::Implementation() {
   return kX64Implementation;
 }
 
 
 void RegExpMacroAssemblerX64::LoadCurrentCharacter(int cp_offset,
                                                    Label* on_end_of_input,
                                                    bool check_bounds,
                                                    int characters) {
-  ASSERT(cp_offset >= -1);      // ^ and \b can look behind one character.
-  ASSERT(cp_offset < (1<<30));  // Be sane! (And ensure negation works)
+  DCHECK(cp_offset >= -1);      // ^ and \b can look behind one character.
+  DCHECK(cp_offset < (1<<30));  // Be sane! (And ensure negation works)
   if (check_bounds) {
     CheckPosition(cp_offset + characters - 1, on_end_of_input);
   }
   LoadCurrentCharacterUnchecked(cp_offset, characters);
 }
 
 
 void RegExpMacroAssemblerX64::PopCurrentPosition() {
   Pop(rdi);
 }
@@ skipping 60 matching lines @@
   __ movq(rdi, Immediate(-by * char_size()));
   // On RegExp code entry (where this operation is used), the character before
   // the current position is expected to be already loaded.
   // We have advanced the position, so it's safe to read backwards.
   LoadCurrentCharacterUnchecked(-1, 1);
   __ bind(&after_position);
 }
 
 
 void RegExpMacroAssemblerX64::SetRegister(int register_index, int to) {
-  ASSERT(register_index >= num_saved_registers_);  // Reserved for positions!
+  DCHECK(register_index >= num_saved_registers_);  // Reserved for positions!
   __ movp(register_location(register_index), Immediate(to));
 }
 
 
 bool RegExpMacroAssemblerX64::Succeed() {
   __ jmp(&success_label_);
   return global();
 }
 
 
 void RegExpMacroAssemblerX64::WriteCurrentPositionToRegister(int reg,
                                                              int cp_offset) {
   if (cp_offset == 0) {
     __ movp(register_location(reg), rdi);
   } else {
     __ leap(rax, Operand(rdi, cp_offset * char_size()));
     __ movp(register_location(reg), rax);
   }
 }
 
 
 void RegExpMacroAssemblerX64::ClearRegisters(int reg_from, int reg_to) {
-  ASSERT(reg_from <= reg_to);
+  DCHECK(reg_from <= reg_to);
   __ movp(rax, Operand(rbp, kInputStartMinusOne));
   for (int reg = reg_from; reg <= reg_to; reg++) {
     __ movp(register_location(reg), rax);
   }
 }
 
 
 void RegExpMacroAssemblerX64::WriteStackPointerToRegister(int reg) {
   __ movp(rax, backtrack_stackpointer());
   __ subp(rax, Operand(rbp, kStackHighEnd));
@@ skipping 59 matching lines @@
 
   // Prepare for possible GC.
   HandleScope handles(isolate);
   Handle<Code> code_handle(re_code);
 
   Handle<String> subject(frame_entry<String*>(re_frame, kInputString));
 
   // Current string.
   bool is_ascii = subject->IsOneByteRepresentationUnderneath();
 
-  ASSERT(re_code->instruction_start() <= *return_address);
-  ASSERT(*return_address <=
+  DCHECK(re_code->instruction_start() <= *return_address);
+  DCHECK(*return_address <=
       re_code->instruction_start() + re_code->instruction_size());
 
   Object* result = isolate->stack_guard()->HandleInterrupts();
 
   if (*code_handle != re_code) {  // Return address no longer valid
     intptr_t delta = code_handle->address() - re_code->address();
     // Overwrite the return address on the stack.
     *return_address += delta;
   }
 
@@ skipping 18 matching lines @@
     // If we changed between an ASCII and an UC16 string, the specialized
     // code cannot be used, and we need to restart regexp matching from
     // scratch (including, potentially, compiling a new version of the code).
     return RETRY;
   }
 
   // Otherwise, the content of the string might have moved. It must still
   // be a sequential or external string with the same content.
   // Update the start and end pointers in the stack frame to the current
   // location (whether it has actually moved or not).
-  ASSERT(StringShape(*subject_tmp).IsSequential() ||
+  DCHECK(StringShape(*subject_tmp).IsSequential() ||
       StringShape(*subject_tmp).IsExternal());
 
   // The original start address of the characters to match.
   const byte* start_address = frame_entry<const byte*>(re_frame, kInputStart);
 
   // Find the current start address of the same character at the current string
   // position.
   int start_index = frame_entry<int>(re_frame, kStartIndex);
   const byte* new_address = StringCharacterPosition(*subject_tmp,
                                                     start_index + slice_offset);
@@ skipping 11 matching lines @@
     // short-circuiting during GC. That will not change start_address but
     // will change pointer inside the subject handle.
     frame_entry<const String*>(re_frame, kInputString) = *subject;
   }
 
   return 0;
 }
 
 
 Operand RegExpMacroAssemblerX64::register_location(int register_index) {
-  ASSERT(register_index < (1<<30));
+  DCHECK(register_index < (1<<30));
   if (num_registers_ <= register_index) {
     num_registers_ = register_index + 1;
   }
   return Operand(rbp, kRegisterZero - register_index * kPointerSize);
 }
 
 
 void RegExpMacroAssemblerX64::CheckPosition(int cp_offset,
                                             Label* on_outside_input) {
   __ cmpl(rdi, Immediate(-cp_offset * char_size()));
@@ skipping 30 matching lines @@
 }
 
 
 void RegExpMacroAssemblerX64::SafeReturn() {
   __ addp(Operand(rsp, 0), code_object_pointer());
   __ ret(0);
 }
 
 
 void RegExpMacroAssemblerX64::Push(Register source) {
-  ASSERT(!source.is(backtrack_stackpointer()));
+  DCHECK(!source.is(backtrack_stackpointer()));
   // Notice: This updates flags, unlike normal Push.
   __ subp(backtrack_stackpointer(), Immediate(kIntSize));
   __ movl(Operand(backtrack_stackpointer(), 0), source);
 }
 
 
 void RegExpMacroAssemblerX64::Push(Immediate value) {
   // Notice: This updates flags, unlike normal Push.
   __ subp(backtrack_stackpointer(), Immediate(kIntSize));
   __ movl(Operand(backtrack_stackpointer(), 0), value);
@@ skipping 19 matching lines @@
 
 
 void RegExpMacroAssemblerX64::Push(Label* backtrack_target) {
   __ subp(backtrack_stackpointer(), Immediate(kIntSize));
   __ movl(Operand(backtrack_stackpointer(), 0), backtrack_target);
   MarkPositionForCodeRelativeFixup();
 }
 
 
 void RegExpMacroAssemblerX64::Pop(Register target) {
-  ASSERT(!target.is(backtrack_stackpointer()));
+  DCHECK(!target.is(backtrack_stackpointer()));
   __ movsxlq(target, Operand(backtrack_stackpointer(), 0));
   // Notice: This updates flags, unlike normal Pop.
   __ addp(backtrack_stackpointer(), Immediate(kIntSize));
 }
 
 
 void RegExpMacroAssemblerX64::Drop() {
   __ addp(backtrack_stackpointer(), Immediate(kIntSize));
 }
 
@@ skipping 28 matching lines @@
 
 
 void RegExpMacroAssemblerX64::LoadCurrentCharacterUnchecked(int cp_offset,
                                                             int characters) {
   if (mode_ == ASCII) {
     if (characters == 4) {
       __ movl(current_character(), Operand(rsi, rdi, times_1, cp_offset));
     } else if (characters == 2) {
       __ movzxwl(current_character(), Operand(rsi, rdi, times_1, cp_offset));
     } else {
-      ASSERT(characters == 1);
+      DCHECK(characters == 1);
       __ movzxbl(current_character(), Operand(rsi, rdi, times_1, cp_offset));
     }
   } else {
-    ASSERT(mode_ == UC16);
+    DCHECK(mode_ == UC16);
     if (characters == 2) {
       __ movl(current_character(),
               Operand(rsi, rdi, times_1, cp_offset * sizeof(uc16)));
     } else {
-      ASSERT(characters == 1);
+      DCHECK(characters == 1);
       __ movzxwl(current_character(),
                  Operand(rsi, rdi, times_1, cp_offset * sizeof(uc16)));
     }
   }
 }
 
 #undef __
 
 #endif  // V8_INTERPRETED_REGEXP
 
 }}  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64