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a275c71170
(Note: Reducing compiler warnings across all, but primarily LP64 platforms, is a long term objective.) Reduce compiler warnings on LP64 platforms (macOS, Windows) and 32-bit builds (Win32). Prefer 'size_t' for pointer arithmetic, array indexing and extents; 'int' hasn't been used for these purposes for many years and across many ANSI standards. N.B. that conversions from int or int32 to size_t cause the compiler to zero-extend the value, which is inefficient. Refactor printf() format modifiers into sim_printf_fmts.h. Add the SIZE_T_FMT modifier for better portability, especially on LP64 platforms where size_t is unsigned long and sizeof(size_t) > sizeof(int). 3B2: Fix known size_t printf() format.