X87: First step to cleanup the power-of-2 mess

src/x87/assembler-x87.cc

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // 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.
 //
@@ skipping 20 matching lines @@
 // OF THE POSSIBILITY OF SUCH DAMAGE.
 
 // The original source code covered by the above license above has been modified
 // significantly by Google Inc.
 // Copyright 2012 the V8 project authors. All rights reserved.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_X87
 
+#include "src/base/bits.h"
 #include "src/base/cpu.h"
 #include "src/disassembler.h"
 #include "src/macro-assembler.h"
 #include "src/serialize.h"
 
 namespace v8 {
 namespace internal {
 
 // -----------------------------------------------------------------------------
 // Implementation of CpuFeatures
@@ skipping 208 matching lines @@
   // Set up code descriptor.
   desc->buffer = buffer_;
   desc->buffer_size = buffer_size_;
   desc->instr_size = pc_offset();
   desc->reloc_size = (buffer_ + buffer_size_) - reloc_info_writer.pos();
   desc->origin = this;
 }
 
 
 void Assembler::Align(int m) {
-  DCHECK(IsPowerOf2(m));
+  DCHECK(base::bits::IsPowerOfTwo32(m));
   int mask = m - 1;
   int addr = pc_offset();
   Nop((m - (addr & mask)) & mask);
 }
 
 
 bool Assembler::IsNop(Address addr) {
   Address a = addr;
   while (*a == 0x66) a++;
   if (*a == 0x90) return true;
@@ skipping 1764 matching lines @@
     fprintf(coverage_log, "%s\n", file_line);
     fflush(coverage_log);
   }
 }
 
 #endif
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X87