http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49442
Richard Guenther rguenth at gcc dot gnu.org changed:
What|Removed |Added
Keywords|
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49442
--- Comment #8 from Jakub Jelinek jakub at gcc dot gnu.org 2011-06-30
13:56:46 UTC ---
__builtin_assume_aligned is now supported on the trunk. Leaving this open even
there so that the default cost model is adjusted.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49442
--- Comment #5 from Jakub Jelinek jakub at gcc dot gnu.org 2011-06-21
12:43:04 UTC ---
Created attachment 24571
-- http://gcc.gnu.org/bugzilla/attachment.cgi?id=24571
gcc47-builtins.patch
Prerequisite patch for __builtin_assume_aligned patch.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49442
--- Comment #6 from Jakub Jelinek jakub at gcc dot gnu.org 2011-06-21
12:50:11 UTC ---
Created attachment 24572
-- http://gcc.gnu.org/bugzilla/attachment.cgi?id=24572
gcc47-assume-aligned.patch
Current version of the __builtin_assume_aligned
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49442
--- Comment #7 from Jakub Jelinek jakub at gcc dot gnu.org 2011-06-21
12:50:47 UTC ---
Of course something like #c4 is highly desirable independently on this.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49442
Ira Rosen irar at il dot ibm.com changed:
What|Removed |Added
CC||irar at il dot ibm.com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49442
--- Comment #3 from Jakub Jelinek jakub at gcc dot gnu.org 2011-06-17
08:15:38 UTC ---
ICC apparently has __assume_aligned (ptr, align) for this, and also
#pragma vector {aligned,unaligned,always,nontemporal}.
For alignment, I'd say having both
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49442
Richard Guenther rguenth at gcc dot gnu.org changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49442
Richard Guenther rguenth at gcc dot gnu.org changed:
What|Removed |Added
CC||hjl at gcc
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49442
--- Comment #2 from Jakub Jelinek jakub at gcc dot gnu.org 2011-06-16
16:33:16 UTC ---
I was testing on SandyBridge, but it was reported to us for Core2.
The loop used to be vectorized in 4.4 and is now too, in both cases it does a
huge hard to
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