Create const ints for int8_t and int32_t in jmp assembler (making win64 build...

src/x64/assembler-x64.cc

 // Copyright 2009 the V8 project authors. 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.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1121 matching lines @@
   emit(0x0F);
   emit(0x80 | cc);
   emit_code_target(target, rmode);
 }
 
 
 void Assembler::jmp(Label* L) {
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;
   if (L->is_bound()) {
+    const int short_size = sizeof(int8_t);
+    const int long_size = sizeof(int32_t);
     int offs = L->pos() - pc_offset() - 1;
     ASSERT(offs <= 0);
-    if (is_int8(offs - sizeof(int8_t))) {
+    if (is_int8(offs - short_size)) {
       // 1110 1011 #8-bit disp.
       emit(0xEB);
-      emit((offs - sizeof(int8_t)) & 0xFF);
+      emit((offs - short_size) & 0xFF);
     } else {
       // 1110 1001 #32-bit disp.
       emit(0xE9);
-      emitl(offs - sizeof(int32_t));
+      emitl(offs - long_size);
     }
   } else  if (L->is_linked()) {
     // 1110 1001 #32-bit disp.
     emit(0xE9);
     emitl(L->pos());
-    L->link_to(pc_offset() - sizeof(int32_t));
+    L->link_to(pc_offset() - long_size);
   } else {
     // 1110 1001 #32-bit disp.
     ASSERT(L->is_unused());
     emit(0xE9);
     int32_t current = pc_offset();
     emitl(current);
     L->link_to(current);
   }
 }
 
@@ skipping 1480 matching lines @@
     written_position_ = current_position_;
   }
 }
 
 
 const int RelocInfo::kApplyMask = RelocInfo::kCodeTargetMask |
                                   1 << RelocInfo::INTERNAL_REFERENCE |
                                   1 << RelocInfo::JS_RETURN;
 
 } }  // namespace v8::internal