• Stefan Monnier's avatar
    Let integers use up 2 tags to give them one extra bit and double their range. · 2de9f71c
    Stefan Monnier authored
    * lisp.h (USE_2_TAGS_FOR_INTS): New macro.
    (LISP_INT_TAG, case_Lisp_Int, LISP_STRING_TAG, LISP_INT_TAG_P): New macros.
    (enum Lisp_Type): Use them.  Give explicit values.
    (Lisp_Type_Limit): Remove.
    (XINT, XUINT, make_number) [!USE_LISP_UNION_TYPE]:
    (MOST_NEGATIVE_FIXNUM, MOST_POSITIVE_FIXNUM, INTMASK):
    Pay attention to USE_2_TAGS_FOR_INTS.
    (INTEGERP): Use LISP_INT_TAG_P.
    * fns.c (internal_equal): Simplify the default case.
    (sxhash): Use case_Lisp_Int.
    * data.c (wrong_type_argument): Don't check against Lisp_Type_Limit any more.
    (Ftype_of): Use case_Lisp_Int.
    (store_symval_forwarding): Take into account the fact that Ints can
    now have more than one tag.
    * buffer.c (syms_of_buffer): Use LISP_INT_TAG.
    buffer_slot_type_mismatch):
    * xfaces.c (face_attr_equal_p):
    * print.c (print_object):
    * alloc.c (mark_maybe_object, mark_object, survives_gc_p): Use case_Lisp_Int.
    2de9f71c
ChangeLog 707 KB