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[Bug gcov-profile/55121] ICE in if-convertion with PGO (ARM)
- From: "christophe.lyon at st dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 30 Oct 2012 13:23:19 +0000
- Subject: [Bug gcov-profile/55121] ICE in if-convertion with PGO (ARM)
- Auto-submitted: auto-generated
- References: <bug-55121-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55121
--- Comment #15 from christophe.lyon at st dot com 2012-10-30 13:23:19 UTC ---
(In reply to comment #9)
> Can you please also attach the output of -fdump-ipa-profile-all
> which should be eval.c.041i.profile. I have my dump here, it should
> be the same as yours.
Done.
> Are you working on a 32-bit host? The counts are quite high, there
> are some places where the count is multiplied by REG_BR_PROB_BASE
> which is 10000. The highest count in my .profile dump is 42974935,
> if such high counts are multiplied somewhere for scaling then this
> may be an overflow issue that I can't see on powerpc64.
No, I am working on an x86_64 machine, and I expect configure to have auto
detected it (I didn't force --host)