Speed up cctest/test-debug/DebugBreakLoop.

src/full-codegen/arm/full-codegen-arm.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_ARM
 
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
@@ skipping 391 matching lines @@
 #endif
 
 
 void FullCodeGenerator::EmitProfilingCounterReset() {
   Assembler::BlockConstPoolScope block_const_pool(masm_);
   PredictableCodeSizeScope predictable_code_size_scope(
       masm_, kProfileCounterResetSequenceLength);
   Label start;
   __ bind(&start);
   int reset_value = FLAG_interrupt_budget;
-  if (info_->is_debug()) {
-    // Detect debug break requests as soon as possible.
-    reset_value = FLAG_interrupt_budget >> 4;
-  }
   __ mov(r2, Operand(profiling_counter_));
   // The mov instruction above can be either 1 to 3 (for ARMv7) or 1 to 5
   // instructions (for ARMv6) depending upon whether it is an extended constant
   // pool - insert nop to compensate.
   int expected_instr_count =
       (kProfileCounterResetSequenceLength / Assembler::kInstrSize) - 2;
   DCHECK(masm_->InstructionsGeneratedSince(&start) <= expected_instr_count);
   while (masm_->InstructionsGeneratedSince(&start) != expected_instr_count) {
     __ nop();
   }
@@ skipping 5043 matching lines @@
   DCHECK(interrupt_address ==
          isolate->builtins()->OsrAfterStackCheck()->entry());
   return OSR_AFTER_STACK_CHECK;
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM