diff options
Diffstat (limited to 'gcc/df-core.c')
| -rw-r--r-- | gcc/df-core.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/gcc/df-core.c b/gcc/df-core.c index 9bebdbe35d1..9692dbbb7dc 100644 --- a/gcc/df-core.c +++ b/gcc/df-core.c @@ -71,7 +71,7 @@ USAGE: Here is an example of using the dataflow routines. - df_[ru,rd,urec,ri,chain]_add_problem (flags); + df_[chain,live,note,rd]_add_problem (flags); df_set_blocks (blocks); @@ -81,7 +81,7 @@ Here is an example of using the dataflow routines. df_finish_pass (false); -DF_[ru,rd,urec,ri,chain]_ADD_PROBLEM adds a problem, defined by an +DF_[chain,live,note,rd]_ADD_PROBLEM adds a problem, defined by an instance to struct df_problem, to the set of problems solved in this instance of df. All calls to add a problem for a given instance of df must occur before the first call to DF_ANALYZE. @@ -628,9 +628,9 @@ df_remove_problem (struct dataflow *dflow) } -/* Remove all of the problems that are not permanent. Scanning, lr, - ur and live are permanent, the rest are removable. Also clear all - of the changeable_flags. */ +/* Remove all of the problems that are not permanent. Scanning, LR + and (at -O2 or higher) LIVE are permanent, the rest are removable. + Also clear all of the changeable_flags. */ void df_finish_pass (bool verify ATTRIBUTE_UNUSED) |