lingering optimizer bugs

Thomas R. Truscott trt@cs.duke.edu
Tue Oct 10 11:48:00 GMT 2000


Hi, I would like to mention a couple unfixed optimizer bugs:

1) -O and higher keeps volatiles in registers:
http://gcc.gnu.org/ml/gcc-bugs/2000-08/msg00038.html

2) A strength-reduction bug (-O -fstrength-reduce, or -O2 and higher):
http://gcc.gnu.org/ml/gcc-bugs/2000-08/msg00303.html

Tom Truscott


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