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