Rename files containing underscores.

test/cctest/test-diy-fp.cc

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 
 #include <stdlib.h>
 
 #include "v8.h"
 
 #include "platform.h"
 #include "cctest.h"
-#include "diy_fp.h"
+#include "diy-fp.h"
 
 
 using namespace v8::internal;
 
 
 TEST(Subtract) {
   DiyFp diy_fp1 = DiyFp(3, 0);
   DiyFp diy_fp2 = DiyFp(1, 0);
   DiyFp diff = DiyFp::Minus(diy_fp1, diy_fp2);
 
@@ skipping 38 matching lines @@
   // Halfway cases are allowed to round either way. So don't check for it.
 
   // Big numbers.
   diy_fp1 = DiyFp(V8_2PART_UINT64_C(0xFFFFFFFF, FFFFFFFF), 11);
   diy_fp2 = DiyFp(V8_2PART_UINT64_C(0xFFFFFFFF, FFFFFFFF), 13);
   // 128bit result: 0xfffffffffffffffe0000000000000001
   product = DiyFp::Times(diy_fp1, diy_fp2);
   CHECK(V8_2PART_UINT64_C(0xFFFFFFFF, FFFFFFFe) == product.f());
   CHECK_EQ(11 + 13 + 64, product.e());
 }