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| author | Kenneth Zadeck <zadeck@naturalbridge.com> | 2006-05-23 20:49:11 +0000 |
|---|---|---|
| committer | Kenneth Zadeck <zadeck@gcc.gnu.org> | 2006-05-23 20:49:11 +0000 |
| commit | b11550aa902ed4dca28bea67dcf81cfefe64847e (patch) | |
| tree | 14e72d251b2751b6da44611981541d07057f5a7f /gcc/df-core.c | |
| parent | 29a1da1c303b0bca58faf0963ae250eb460c66ba (diff) | |
| download | gcc-b11550aa902ed4dca28bea67dcf81cfefe64847e.tar.gz | |
df-core.c: Added to header comments.
2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
* df-core.c: Added to header comments.
* df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
df_ur_bb_info, df_urec_bb_info): Added comments.
* df-problems (df_ref_bitmap, ru, rd, lr, ur,
urec, ri problems): Fixed header comments.
(df_ru_transfer_function): Fixed in-out set dyslexia when copying
code from df_rd_transfer_function.
From-SVN: r114024
Diffstat (limited to 'gcc/df-core.c')
| -rw-r--r-- | gcc/df-core.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/df-core.c b/gcc/df-core.c index 1d4aff2315f..f0c62c91c1e 100644 --- a/gcc/df-core.c +++ b/gcc/df-core.c @@ -113,7 +113,10 @@ df_set_blocks, these blocks are added to the set of blocks. DF_ANALYZE causes all of the defined problems to be (re)solved. It does not cause blocks to be (re)scanned at the rtl level unless no -prior call is made to df_rescan_blocks. +prior call is made to df_rescan_blocks. When DF_ANALYZE is completes, +the IN and OUT sets for each basic block contain the computer +information. The DF_*_BB_INFO macros can be used to access these +bitvectors. DF_DUMP can then be called to dump the information produce to some |