[disasm] Make jump target printing perf friendly

src/disassembler.cc

Index: src/disassembler.cc
diff --git a/src/disassembler.cc b/src/disassembler.cc
index 29262f411b50f0071160d45987a9d3f890ed20dc..6c0542ec90369a4da54c140611bbcc446171806b 100644
--- a/src/disassembler.cc
+++ b/src/disassembler.cc
@@ -41,7 +41,7 @@ const char* V8NameConverter::NameOfAddress(byte* pc) const {
       code_ == NULL ? NULL : code_->GetIsolate()->builtins()->Lookup(pc);
 
   if (name != NULL) {
-    SNPrintF(v8_buffer_, "%s  (%p)", name, static_cast<void*>(pc));
+    SNPrintF(v8_buffer_, "%p  (%s)", static_cast<void*>(pc), name);
     return v8_buffer_.start();
   }
 
@@ -49,7 +49,7 @@ const char* V8NameConverter::NameOfAddress(byte* pc) const {
     int offs = static_cast<int>(pc - code_->instruction_start());
     // print as code offset, if it seems reasonable
     if (0 <= offs && offs < code_->instruction_size()) {
-      SNPrintF(v8_buffer_, "%d  (%p)", offs, static_cast<void*>(pc));
+      SNPrintF(v8_buffer_, "%p  <+0x%x>", static_cast<void*>(pc), offs);
       return v8_buffer_.start();
     }
   }
@@ -151,7 +151,7 @@ static int DecodeIt(Isolate* isolate, std::ostream* os,
     }
 
     // Instruction address and instruction offset.
-    out.AddFormatted("%p  %4" V8PRIdPTRDIFF "  ", static_cast<void*>(prev_pc),
+    out.AddFormatted("%p  %4" V8PRIxPTRDIFF "  ", static_cast<void*>(prev_pc),
                      prev_pc - begin);
 
     // Instruction.