https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60092
Richard Biener rguenth at gcc dot gnu.org changed:
What|Removed |Added
Status|ASSIGNED|RESOLVED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60092
--- Comment #27 from Richard Biener rguenth at gcc dot gnu.org ---
Author: rguenth
Date: Mon Apr 28 14:36:13 2014
New Revision: 209863
URL: http://gcc.gnu.org/viewcvs?rev=209863root=gccview=rev
Log:
2014-04-28 Richard Biener rguent...@suse.de
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60092
Jakub Jelinek jakub at gcc dot gnu.org changed:
What|Removed |Added
Target Milestone|4.9.0 |4.9.1
---
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60092
--- Comment #25 from ro at CeBiTec dot Uni-Bielefeld.DE ro at CeBiTec dot
Uni-Bielefeld.DE ---
--- Comment #24 from Richard Biener rguenth at gcc dot gnu.org ---
As the standard doesn't specify that the value is undefined upon error and it
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60092
--- Comment #24 from Richard Biener rguenth at gcc dot gnu.org ---
As the standard doesn't specify that the value is undefined upon error and it
only specifies its contents upon successfull completion it implicitely says
that it retains the
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60092
Rainer Orth ro at gcc dot gnu.org changed:
What|Removed |Added
CC||ro at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60092
--- Comment #22 from Jakub Jelinek jakub at gcc dot gnu.org ---
(In reply to Rainer Orth from comment #21)
The new test FAILs on Solaris 11 (both SPARC and x86), which, unlike Solaris
10,
has posix_memalign in libc:
FAIL:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60092
--- Comment #23 from ro at CeBiTec dot Uni-Bielefeld.DE ro at CeBiTec dot
Uni-Bielefeld.DE ---
--- Comment #22 from Jakub Jelinek jakub at gcc dot gnu.org ---
(In reply to Rainer Orth from comment #21)
The new test FAILs on Solaris 11 (both
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60092
Tobias Burnus burnus at gcc dot gnu.org changed:
What|Removed |Added
CC||burnus at gcc
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60092
--- Comment #19 from Jakub Jelinek jakub at gcc dot gnu.org ---
(In reply to Tobias Burnus from comment #18)
(In reply to Richard Biener from comment #1)
We could lower
posix_memalign (ptr, align, size);
to
posix_memalign (ptr, align,
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60092
--- Comment #20 from Richard Biener rguenth at gcc dot gnu.org ---
Author: rguenth
Date: Wed Feb 12 13:36:08 2014
New Revision: 207720
URL: http://gcc.gnu.org/viewcvs?rev=207720root=gccview=rev
Log:
2014-02-12 Richard Biener rguent...@suse.de
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60092
--- Comment #17 from Jakub Jelinek jakub at gcc dot gnu.org ---
Author: jakub
Date: Sat Feb 8 09:09:01 2014
New Revision: 207628
URL: http://gcc.gnu.org/viewcvs?rev=207628root=gccview=rev
Log:
PR middle-end/60092
* tree-ssa-ccp.c
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60092
--- Comment #15 from Richard Biener rguenth at gcc dot gnu.org ---
Author: rguenth
Date: Fri Feb 7 09:33:23 2014
New Revision: 207595
URL: http://gcc.gnu.org/viewcvs?rev=207595root=gccview=rev
Log:
2014-02-07 Richard Biener rguent...@suse.de
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60092
--- Comment #16 from Richard Biener rguenth at gcc dot gnu.org ---
Author: rguenth
Date: Fri Feb 7 13:41:10 2014
New Revision: 207598
URL: http://gcc.gnu.org/viewcvs?rev=207598root=gccview=rev
Log:
2014-02-07 Richard Biener rguent...@suse.de
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60092
Richard Biener rguenth at gcc dot gnu.org changed:
What|Removed |Added
Status|UNCONFIRMED |ASSIGNED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60092
Jakub Jelinek jakub at gcc dot gnu.org changed:
What|Removed |Added
CC||jakub at gcc dot
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60092
--- Comment #3 from Richard Biener rguenth at gcc dot gnu.org ---
Created attachment 32064
-- http://gcc.gnu.org/bugzilla/attachment.cgi?id=32064action=edit
part #1, aliasing
I've implemented the aliasing parts (and the builtin obviously).
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60092
--- Comment #4 from Marc Glisse glisse at gcc dot gnu.org ---
Hack: when the return value of posix_memalign is ignored, if the platform
supports it, replace with a call to aligned_alloc (C11), which has an easier
interface.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60092
--- Comment #5 from Richard Biener rguenth at gcc dot gnu.org ---
Created attachment 32066
-- http://gcc.gnu.org/bugzilla/attachment.cgi?id=32066action=edit
part #2, C11 aligned_alloc
It was noted that aligned_alloc is standard enough to be
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60092
--- Comment #6 from Jakub Jelinek jakub at gcc dot gnu.org ---
(In reply to Marc Glisse from comment #4)
Hack: when the return value of posix_memalign is ignored, if the platform
supports it, replace with a call to aligned_alloc (C11), which has
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60092
--- Comment #7 from Richard Biener rguenth at gcc dot gnu.org ---
(In reply to Jakub Jelinek from comment #6)
(In reply to Marc Glisse from comment #4)
Hack: when the return value of posix_memalign is ignored, if the platform
supports it,
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60092
--- Comment #8 from Jakub Jelinek jakub at gcc dot gnu.org ---
(In reply to Richard Biener from comment #7)
According to the specification this is wrong. Note that changing errno
is hindering optimization. For example
int foo (int *p)
{
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60092
--- Comment #9 from rguenther at suse dot de rguenther at suse dot de ---
On Thu, 6 Feb 2014, jakub at gcc dot gnu.org wrote:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60092
--- Comment #8 from Jakub Jelinek jakub at gcc dot gnu.org ---
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60092
--- Comment #10 from Jakub Jelinek jakub at gcc dot gnu.org ---
(In reply to rguent...@suse.de from comment #9)
Ok, my manpage says
RETURN VALUE
aligned_alloc(), memalign(), valloc(), and pvalloc() return a
pointer
to the
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60092
--- Comment #11 from Andreas Schwab sch...@linux-m68k.org ---
If a function is not allowed to change errno this must be explicitly
documented.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60092
--- Comment #12 from Richard Biener rguenth at gcc dot gnu.org ---
(In reply to Andreas Schwab from comment #11)
If a function is not allowed to change errno this must be explicitly
documented.
That means
Index: gcc/tree-ssa-alias.c
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60092
--- Comment #13 from Jakub Jelinek jakub at gcc dot gnu.org ---
(In reply to Richard Biener from comment #12)
(In reply to Andreas Schwab from comment #11)
If a function is not allowed to change errno this must be explicitly
documented.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60092
--- Comment #14 from rguenther at suse dot de rguenther at suse dot de ---
On Thu, 6 Feb 2014, jakub at gcc dot gnu.org wrote:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60092
--- Comment #13 from Jakub Jelinek jakub at gcc dot gnu.org ---
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