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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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#ifndef __DATAF_H__
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#ifndef __DATAF_H__
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#define __DATAF_H__
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#define __DATAF_H__
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#define DEBUG 0
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/* Maximum number of instructions per function */
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/* Maximum number of instructions per function */
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#define MAX_INSNS 0x10000
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#define MAX_INSNS 0x10000
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#define MAX_OPERANDS 4
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#define MAX_OPERANDS 4
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#define MAX_BB 0x100
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#define MAX_BB 0x100
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#define MAX_REGS 34
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#define MAX_REGS 34
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#define REF_I(r) ((r) % MAX_INSNS)
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#define REF_I(r) ((r) % MAX_INSNS)
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#define INSN(ref) bb[REF_BB(ref)].insn[REF_I(ref)]
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#define INSN(ref) bb[REF_BB(ref)].insn[REF_I(ref)]
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#define log(x...) fprintf (flog, x)
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#define log(x...) fprintf (flog, x)
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#define cucdebug(x,s...) {if ((x) <= cuc_debug) printf (s);}
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/* Options */
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/* Options */
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/* Whether we are debugging cuc (0-9) */
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extern int cuc_debug;
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static const int calling_convention = 1;
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static const int calling_convention = 1;
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static const int memory_order = 2;
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static const int memory_order = 2;
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static const int enable_bursts = 1;
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static const int enable_bursts = 1;
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static const int no_multicycle = 1;
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static const int no_multicycle = 1;
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typedef struct _dep_list_t {
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typedef struct _dep_list_t {
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unsigned long ref;
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unsigned long ref;
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struct _dep_list_t *next;
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struct _dep_list_t *next;
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} dep_list;
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} dep_list;
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/* Shared list, if marked dead, entry is not used */
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typedef struct _csm_list {
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int ref;
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int cnt;
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int cmovs;
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double size, osize;
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int cmatch;
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int dead;
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int ninsn; /* Number of associated instructions */
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struct _csm_list *from;
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struct _csm_list *next;
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} cuc_shared;
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/* Implementation specific timings */
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/* Implementation specific timings */
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typedef struct {
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typedef struct {
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int b; /* Basic block # this timing is referring to */
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int b; /* Basic block # this timing is referring to */
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int preroll; /* How many times was this BB pre/unrolled */
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int preroll; /* How many times was this BB pre/unrolled */
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int unroll;
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int unroll;
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int nshared;
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int *shared; /* List of shared resources */
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int new_time;
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int new_time;
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int old_time;
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double size;
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double size;
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} cuc_timings;
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} cuc_timings;
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/* Instructionn entity */
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/* Instructionn entity */
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typedef struct {
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typedef struct {
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/* Function entity */
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/* Function entity */
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typedef struct {
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typedef struct {
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/* Basic blocks */
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/* Basic blocks */
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int num_bb;
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int num_bb;
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cuc_bb bb[MAX_BB];
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cuc_bb bb[MAX_BB];
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int saved_regs[MAX_REGS];
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int saved_regs[MAX_REGS];/* Whether this register was saved */
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int lur[MAX_REGS]; /* Location of last use */
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int used_regs[MAX_REGS]; /* Nonzero if it was used */
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/* Schedule of memory instructions */
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/* Schedule of memory instructions */
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int nmsched;
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int nmsched;
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int msched[MAX_INSNS];
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int msched[MAX_INSNS];
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int mtype[MAX_INSNS];
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int mtype[MAX_INSNS];
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/* initial bb and their relocations to new block numbers */
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/* initial bb and their relocations to new block numbers */
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int num_init_bb;
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int num_init_bb;
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int *init_bb_reloc;
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int *init_bb_reloc;
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int orig_time; /* time in cyc required for SW implementation */
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int orig_time; /* time in cyc required for SW implementation */
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int num_runs; /* Number times this function was run */
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cuc_timings timings; /* Base timings */
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unsigned long start_addr; /* Address of first instruction inn function */
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unsigned long start_addr; /* Address of first instruction inn function */
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unsigned long end_addr; /* Address of last instruction inn function */
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unsigned long end_addr; /* Address of last instruction inn function */
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} cuc_func;
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} cuc_func;
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/* Instructions from function */
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/* Instructions from function */
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cuc_func *dup_func (cuc_func *f);
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cuc_func *dup_func (cuc_func *f);
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/* Releases memory allocated by function */
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/* Releases memory allocated by function */
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void free_func (cuc_func *f);
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void free_func (cuc_func *f);
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/* Common subexpression elimination */
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void cse (cuc_func *f);
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/* Common subexpression matching -- resource sharing */
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void csm (cuc_func *f);
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/* Set the BB limits */
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/* Set the BB limits */
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void detect_bb (cuc_func *func);
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void detect_bb (cuc_func *func);
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/* Optimize basic blocks */
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/* Optimize basic blocks */
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void optimize_bb (cuc_func *func);
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void optimize_bb (cuc_func *func);
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