40 lines
1.3 KiB
C
40 lines
1.3 KiB
C
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/*********************************************************************/
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/* pC++/Sage++ Copyright (C) 1993 */
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/* Indiana University University of Oregon University of Rennes */
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/*********************************************************************/
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/************************************************************************/
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/* */
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/* DEPENDENCE NODES */
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/* */
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/************************************************************************/
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# define MAX_LP_DEPTH 10
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# define MAX_DEP (MAX_LP_DEPTH+1)
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struct ref { /* reference of a variable */
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PTR_BFND stmt; /* statement containing reference */
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PTR_LLND refer; /* pointer to the actual reference */
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} ;
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struct dep { /* data dependencies */
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int id; /* identification for reading/writing */
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PTR_DEP thread;
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char type; /* flow-, output-, or anti-dependence */
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char direct[MAX_DEP]; /* direction/distance vector */
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PTR_SYMB symbol; /* symbol table entry */
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struct ref from; /* tail of dependence */
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struct ref to; /* head of dependence */
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PTR_BFND from_hook, to_hook; /* bifs where dep is hooked in */
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PTR_DEP from_fwd, from_back; /* list of dependencies going to tail */
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PTR_DEP to_fwd, to_back; /* list of dependencies going to head */
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} ;
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