As of currently, `-fmessy-debugging` is not a valid option, nor is
`REG_USERVAR` looked at by the splitting logic.
2017-12-29 Artyom Skrobov tyomi...@gmail.com
* web.c: Remove out-of-date comment
---
gcc/web.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/gcc/web.c b/gcc/web.c
index a642f219865c..217e799ef732 100644
--- a/gcc/web.c
+++ b/gcc/web.c
@@ -22,10 +22,6 @@ along with GCC; see the file COPYING3. If not see
increasing effectiveness of other optimizations. The optimization can
serve as an example of use for the dataflow module.
- We don't split registers with REG_USERVAR set unless -fmessy-debugging
- is specified, because debugging information about such split variables
- is almost unusable.
-
TODO
- We may use profile information and ignore infrequent use for the
purpose of web unifying, inserting the compensation code later to
