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

src/x87/assembler-x87.cc

Index: src/x87/assembler-x87.cc
diff --git a/src/x87/assembler-x87.cc b/src/x87/assembler-x87.cc
index 0e3ff25fa43c3e814a7b3e7a73db828d11fe9b16..8f9224915897871e5149d4ed469b37e5f5bbd0b9 100644
--- a/src/x87/assembler-x87.cc
+++ b/src/x87/assembler-x87.cc
@@ -38,6 +38,7 @@
 
 #if V8_TARGET_ARCH_X87
 
+#include "src/base/bits.h"
 #include "src/base/cpu.h"
 #include "src/disassembler.h"
 #include "src/macro-assembler.h"
@@ -266,7 +267,7 @@ void Assembler::GetCode(CodeDesc* desc) {
 
 
 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);