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- /* $Id$ */
- /*
- * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
- * See the copyright notice in the ACK home directory, in the file "Copyright".
- */
- /* S H A R E D
- *
- * A U X I L I A R Y R O U T I N E S
- *
- */
- offset off_set(line_p lnp);
- /* lnp has a SHORT or OFFSET operand. Return
- * the value of this operand as an offset.
- */
- extern offset aoff(arg_p list, int n);
- /* Determine the offset field of the
- * n'th argument in the list (this argument
- * must have type ARGOFF). Start counting at 0.
- */
- extern offset tmplocal(proc_p p, offset size);
- /* Allocate a new local variable in the
- * stack frame of p.
- */
- line_p int_line(offset off);
- /* Allocate a line struct of type OPSHORT
- * or OPOFFSET, whichever one fits best.
- */
- line_p reg_mes(offset tmp, short size, int typ, int score);
- /* Generate a register message with the
- * given arguments.
- */
- bool dom(bblock_p b1, bblock_p b2);
- /* See if b1 dominates b2. Note that a
- * block always * dominates itself.
- */
- bblock_p common_dom(bblock_p a, bblock_p b);
- /* find a basic block that dominates a as
- * well as b; note that a basic block also
- * dominates itself.
- */
- short add_timespace(short time, short space);
- /* Add together a time and space, using
- * the time_space_ratio parameter that
- * may be set by the user.
- */
- void rm_line(line_p l, bblock_p b);
- /* Remove line l from b basic block b.
- */
- void appnd_line(line_p l1, line_p l2);
- /* Put line l1 after l2.
- */
- line_p last_instr(bblock_p b);
- /* Determine the last line of a basic block.
- */
- line_p find_mesreg(offset off);
- /* Find the register message for the local
- * with the given offset.
- */
- bool is_regvar(offset off);
- /* See if there is a 'register message'
- * for the local variable with the
- * given offset.
- */
- offset regv_arg(offset off, int n);
- /* Fetch the n'th argument of the
- * register message of the local with
- * the given offset.
- */
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