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* [Bug target/60800] -Ofast -ffast-math miscompiles 178.galgel in SPEC CPU 2K
[not found] <bug-60800-4@http.gcc.gnu.org/bugzilla/>
@ 2014-04-09 22:48 ` hjl.tools at gmail dot com
2014-04-10 12:01 ` jamborm at gcc dot gnu.org
` (2 subsequent siblings)
3 siblings, 0 replies; 4+ messages in thread
From: hjl.tools at gmail dot com @ 2014-04-09 22:48 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60800
H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|-Ofast -ffast-math |-Ofast -ffast-math
|-march=corei7 |miscompiles 178.galgel in
|-mtune=generic miscompiles |SPEC CPU 2K
|178.galgel in SPEC CPU 2K |
--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> ---
Just "-Ofast -ffast-math" will miscompile 178.galgel.
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug target/60800] -Ofast -ffast-math miscompiles 178.galgel in SPEC CPU 2K
[not found] <bug-60800-4@http.gcc.gnu.org/bugzilla/>
2014-04-09 22:48 ` [Bug target/60800] -Ofast -ffast-math miscompiles 178.galgel in SPEC CPU 2K hjl.tools at gmail dot com
@ 2014-04-10 12:01 ` jamborm at gcc dot gnu.org
2014-04-10 15:23 ` hjl.tools at gmail dot com
2014-04-10 15:35 ` [Bug target/60800] -O3 -fstack-arrays " hjl.tools at gmail dot com
3 siblings, 0 replies; 4+ messages in thread
From: jamborm at gcc dot gnu.org @ 2014-04-10 12:01 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60800
--- Comment #2 from Martin Jambor <jamborm at gcc dot gnu.org> ---
Unfortunately, I could not replicate this with -Ofast -ffast-math
(isn't -ffast-math part of -Ofast?) and trunk revision 209179.
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug target/60800] -Ofast -ffast-math miscompiles 178.galgel in SPEC CPU 2K
[not found] <bug-60800-4@http.gcc.gnu.org/bugzilla/>
2014-04-09 22:48 ` [Bug target/60800] -Ofast -ffast-math miscompiles 178.galgel in SPEC CPU 2K hjl.tools at gmail dot com
2014-04-10 12:01 ` jamborm at gcc dot gnu.org
@ 2014-04-10 15:23 ` hjl.tools at gmail dot com
2014-04-10 15:35 ` [Bug target/60800] -O3 -fstack-arrays " hjl.tools at gmail dot com
3 siblings, 0 replies; 4+ messages in thread
From: hjl.tools at gmail dot com @ 2014-04-10 15:23 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60800
--- Comment #4 from H.J. Lu <hjl.tools at gmail dot com> ---
-O3 -fstack-arrays -ffast-math also fails on both i686 and x86-64.
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug target/60800] -O3 -fstack-arrays miscompiles 178.galgel in SPEC CPU 2K
[not found] <bug-60800-4@http.gcc.gnu.org/bugzilla/>
` (2 preceding siblings ...)
2014-04-10 15:23 ` hjl.tools at gmail dot com
@ 2014-04-10 15:35 ` hjl.tools at gmail dot com
3 siblings, 0 replies; 4+ messages in thread
From: hjl.tools at gmail dot com @ 2014-04-10 15:35 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60800
H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |INVALID
Summary|-Ofast -ffast-math |-O3 -fstack-arrays
|miscompiles 178.galgel in |miscompiles 178.galgel in
|SPEC CPU 2K |SPEC CPU 2K
--- Comment #5 from H.J. Lu <hjl.tools at gmail dot com> ---
-fstack-arrays needs more stack. 32MB stack limit works.
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2014-04-10 15:35 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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[not found] <bug-60800-4@http.gcc.gnu.org/bugzilla/>
2014-04-09 22:48 ` [Bug target/60800] -Ofast -ffast-math miscompiles 178.galgel in SPEC CPU 2K hjl.tools at gmail dot com
2014-04-10 12:01 ` jamborm at gcc dot gnu.org
2014-04-10 15:23 ` hjl.tools at gmail dot com
2014-04-10 15:35 ` [Bug target/60800] -O3 -fstack-arrays " hjl.tools at gmail dot com
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