http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46793
--- Comment #5 from joseph at codesourcery dot com 2010-12-03 23:04:52 UTC ---
We should disable this option (with a warning) in
ix86_option_override_internal if we don't think it can work reliably,
rather than leaving it to ICE.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46793
--- Comment #4 from Changpeng Fang 2010-12-03
21:24:06 UTC ---
Thanks, I understand the issue now.
Yes, -fschedule-insns and -fsched-pressure should be a paired options for
x86. -fsched-pressure does not solve the -m32 issue.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46793
--- Comment #3 from Steven Bosscher 2010-12-03
21:05:46 UTC ---
The bug is in the architecture, not in the scheduling pass. You cannot expect
scheduling before register allocation to always yield code that you can
register-allocate with just 3 ge
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46793
--- Comment #2 from Changpeng Fang 2010-12-03
20:52:11 UTC ---
This bug should be fixed.
We are trying to make -fschedule-insns default for x86, and this enablement
causes
bootstrapping failure at this point.
Of course we can work around this b
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46793
Steven Bosscher changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
CC|
