https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112604
--- Comment #3 from Jakub Jermar ---
Created attachment 56633
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=56633&action=edit
Updated requested good object file for vfs_file.c
Seems like -O3 -fno-unswitch-loops makes the bug go away. See
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112604
--- Comment #2 from Jakub Jermar ---
Created attachment 56632
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=56632&action=edit
Requested object and preprocessed source files
Here are the bad and good object and preprocessed sources fies f
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: jakub at jermar dot eu
Target Milestone: ---
After an upgrade to GCC 13.2 the HelenOS VFS server started to crash on IA-64
(see http://www.helenos.org/ticket/864). I looked into
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=0
--- Comment #8 from Jakub Jermar ---
Yep, verified the patch fixes the problem (and reverting the patch reintroduces
it) with gcc 5.3.0 and mainline HelenOS. Thanks again!
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=0
--- Comment #7 from Jakub Jermar ---
Thank you, I will get back to you once I am done with the test.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=0
--- Comment #4 from Jakub Jermar ---
Thanks for looking into this. Let me know if you need to verify the fix, when
it's ready.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=0
--- Comment #2 from Jakub Jermar ---
Has there been any progress on this front?
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: jakub at jermar dot eu
Target Milestone: ---
Created attachment 35848
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=35848&action=edit
Repro
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53975
--- Comment #11 from Jakub Jermar 2012-07-19 18:06:16
UTC ---
For HelenOS, we started to hit this only after we switched from gcc 4.6.3 to
4.7.1.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53975
--- Comment #7 from Jakub Jermar 2012-07-16 21:25:47
UTC ---
Created attachment 27805
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=27805
Reproducible testcase
Here is a trimmed down reproducible testcase which exhibits the problem. The
ta
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53975
--- Comment #6 from Jakub Jermar 2012-07-16 06:28:29
UTC ---
(In reply to comment #4)
> Ah, of course the "move branch register" instruction faults if the NaT bit of
> the source register is set. So the recovery code is irrelevant, and this could
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53975
--- Comment #5 from Jakub Jermar 2012-07-16 06:18:55
UTC ---
(In reply to comment #1)
> Without a test case on a platform that is supported in GCC, there isn't much
> anyone can do to help. Can you reproduce this on linux or hpux?
>
> BTW, are t
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53975
Bug #: 53975
Summary: [ia64] Target register of a speculative load moved to
a branch register prior to the chk.s instruction
Classification: Unclassified
Product: gcc
Version: 4.
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: inline-asm
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: jakub at jermar dot eu
GCC build triplet: 4.3.1
GCC host triplet: i486-linux-gnu
GCC target triplet: sparc64-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36558
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