daniel tian wrote:
Hi Dr. Uday Khedker: Happy New Year! I met hazard problem. And I have debuged this error for a few days. I wrote DFA to avoid load hazard, but still it exists. I wonder whether in default the command './cc1 hazard.c' doesn't compile the file with DFA.
By default the scheduler is enabled starting at -O2, so this should at least be './cc1 -O2 hazard.c'. Of cause, you should also add generation of nops, as Vladimir said, either in machine dependent reorg or in assembler. Also, scheduler dumps may be helpful for you; they can be enabled via -fsched-verbose=N switch.
-- Maxim
