diff options
Diffstat (limited to 'cgcalc.h')
| -rw-r--r-- | cgcalc.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/cgcalc.h b/cgcalc.h new file mode 100644 index 0000000..6eaaae5 --- /dev/null +++ b/cgcalc.h @@ -0,0 +1,15 @@ +extern void calculate_graph_register_uses (INSTRUCTION_GRAPH graph); +extern void count_graph (INSTRUCTION_GRAPH graph); +extern void mark_graph_1 (INSTRUCTION_GRAPH graph); +extern void mark_graph_2 (INSTRUCTION_GRAPH graph); +extern void mark_and_count_graph (INSTRUCTION_GRAPH graph); + +#ifdef I486 +/* # define A_FACTOR 2 */ +/* # define D_FACTOR 2 */ +# define AD_REG_WEIGHT(n_a_regs,n_d_regs) ((n_a_regs)+(n_d_regs)) +#else +/* # define A_FACTOR 7 */ +/* # define D_FACTOR 3 */ +# define AD_REG_WEIGHT(n_a_regs,n_d_regs) ((((n_a_regs)<<3)-(n_a_regs))+((n_d_regs)+(n_d_regs)+(n_d_regs))) +#endif |