diff options
Diffstat (limited to 'gcc/profile.c')
| -rw-r--r-- | gcc/profile.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/gcc/profile.c b/gcc/profile.c index d260d66..45abbc4 100644 --- a/gcc/profile.c +++ b/gcc/profile.c @@ -531,7 +531,7 @@ compute_branch_probabilities (void) { FOR_EACH_EDGE (e, ei, bb->succs) e->probability = (e->count * REG_BR_PROB_BASE + bb->count / 2) / bb->count; - if (bb->index >= 0 + if (bb->index >= NUM_FIXED_BLOCKS && block_ends_with_condjump_p (bb) && EDGE_COUNT (bb->succs) >= 2) { @@ -609,7 +609,7 @@ compute_branch_probabilities (void) FOR_EACH_EDGE (e, ei, bb->succs) e->probability = REG_BR_PROB_BASE / total; } - if (bb->index >= 0 + if (bb->index >= NUM_FIXED_BLOCKS && block_ends_with_condjump_p (bb) && EDGE_COUNT (bb->succs) >= 2) num_branches++, num_never_executed; @@ -704,7 +704,9 @@ compute_value_histograms (histogram_values values) free (histogram_counts[t]); } -#define BB_TO_GCOV_INDEX(bb) ((bb)->index + 1) +/* The entry basic block will be moved around so that it has index=1, + there is nothing at index 0 and the exit is at n_basic_block. */ +#define BB_TO_GCOV_INDEX(bb) ((bb)->index - 1) /* When passed NULL as file_name, initialize. When passed something else, output the necessary commands to change line to LINE and offset to FILE_NAME. */ @@ -917,7 +919,7 @@ branch_prob (void) num_instrumented++; } - total_num_blocks += n_basic_blocks + 2; + total_num_blocks += n_basic_blocks; if (dump_file) fprintf (dump_file, "%d basic blocks\n", n_basic_blocks); @@ -938,7 +940,7 @@ branch_prob (void) gcov_position_t offset; offset = gcov_write_tag (GCOV_TAG_BLOCKS); - for (i = 0; i != (unsigned) (n_basic_blocks + 2); i++) + for (i = 0; i != (unsigned) (n_basic_blocks); i++) gcov_write_unsigned (0); gcov_write_length (offset); } @@ -946,7 +948,7 @@ branch_prob (void) /* Keep all basic block indexes nonnegative in the gcov output. Index 0 is used for entry block, last index is for exit block. */ - ENTRY_BLOCK_PTR->index = -1; + ENTRY_BLOCK_PTR->index = 1; EXIT_BLOCK_PTR->index = last_basic_block; /* Arcs */ |