contrib/gcc/value-prof.c

87 check_counter (tree stmt, const char * name, gcov_type all, gcov_type bb_count)
89   if (all != bb_count)
96 	     locus, name, (int)all, (int)bb_count);
177 			 gcov_type all)
232   bb3->count = all - count;
235   bb4->count = all;
244   e13->count = all - count;
253   e34->count = all - count;
265   gcov_type val, count, all;
299   all = histogram->hvalue.counters[2];
301   /* We require that count is at least half of all; this means
304   if (simple_cst_equal (op2, value) != 1 || 2 * count < all)
307   if (check_counter (stmt, "value", all, bb_for_stmt (stmt)->count))
311   prob = (count * REG_BR_PROB_BASE + all / 2) / all;
316   result = tree_divmod_fixed_value (stmt, op, op1, op2, tree_val, prob, count, all);
340 	       gcov_type count, gcov_type all)
399   bb3->count = all - count;
402   bb4->count = all;
411   e13->count = all - count;
420   e34->count = all - count;
432   gcov_type count, wrong_values, all;
467   /* We require that we hit a power of 2 at least half of all evaluations.  */
478   all = count + wrong_values;
479   if (check_counter (stmt, "pow2", all, bb_for_stmt (stmt)->count))
482   prob = (count * REG_BR_PROB_BASE + all / 2) / all;
484   result = tree_mod_pow2 (stmt, op, op1, op2, prob, count, all);
504 		    gcov_type count1, gcov_type count2, gcov_type all)
567   bb2->count = all - count1;
573       bb3->count = all - count1 - count2;
578   bb4->count = all;
583   e12->count = all - count1;
593       e23->count = all - count1 - count2;
602   e34->count = all - count1 - count2;
614   gcov_type count, wrong_values, all;
647   all = 0;
650     all += histogram->hvalue.counters[i];
654   all += wrong_values;
657   if (check_counter (stmt, "interval", all, bb_for_stmt (stmt)->count))
660   /* We require that we use just subtractions in at least 50% of all
666       if (count * 2 >= all)
679   prob1 = (histogram->hvalue.counters[0] * REG_BR_PROB_BASE + all / 2) / all;
680   prob2 = (histogram->hvalue.counters[1] * REG_BR_PROB_BASE + all / 2) / all;
686 			    histogram->hvalue.counters[1], all);