BITS_PER_EMACS_INT  246 test/manual/etags/c-src/emacs/src/lisp.h     VALBITS = BITS_PER_EMACS_INT - GCTYPEBITS,
BITS_PER_EMACS_INT 1958 test/manual/etags/c-src/emacs/src/lisp.h   return (x << 4) + (x >> (BITS_PER_EMACS_INT - 4)) + y;
BITS_PER_EMACS_INT 1966 test/manual/etags/c-src/emacs/src/lisp.h   return (x ^ x >> (BITS_PER_EMACS_INT - FIXNUM_BITS)) & INTMASK;