https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89951
--- Comment #6 from Alexander ---
(In reply to Martin Liška from comment #5)
> What kind of error? Can you please provide a test-case?
Like these:
> cd gui/ && ( test -e Makefile ||
> /tmp/qt-everywhere-src-5.12.1/qtbase/bin/qmake -o Makefile
>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89951
--- Comment #4 from Alexander ---
(In reply to Uroš Bizjak from comment #2)
> These two flags are irrelevant without -mavx.
But, for example, when i build Qt5 gcc give error about these two instructions.
Assignee: unassigned at gcc dot gnu.org
Reporter: bratsinot at gmail dot com
Target Milestone: ---
gcc set uncorrect flags -mavx256-split-unaligned-load and
-mavx256-split-unaligned-store when use -march=native or Nehalem / westmere
arch. Nehalem / westmere don't hav
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56507
--- Comment #4 from Alexander 2013-03-02 18:51:35
UTC ---
(In reply to comment #3)
> Can you invoke the following command:
> cat /proc/cpuinfo
I'm terribly sorry, something went wrong (several times), when I executed "gcc
-march=native
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56507
--- Comment #2 from Alexander 2013-03-02 13:49:39
UTC ---
(In reply to comment #1)
> (In reply to comment #0)
> > GCC -march=native includes only flags: -mmmx -msse -msse2 -msse3 -mssse3
> > but some Core2Duo processors have -msse4 -msse4
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56507
Bug #: 56507
Summary: GCC -march=native for Core2Duo
Classification: Unclassified
Product: gcc
Version: 4.7.2
Status: UNCONFIRMED
Severity: enhancement
Pri
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55646
--- Comment #1 from Alexander 2012-12-11 14:07:21
UTC ---
If write this:
> static const uint8_t qwe[] = {0xAA,0xBB,0xCC,0x0A};
> fwrite(qwe, 1, 4, stdout);
gcc put data in one piece, something like that:
> qwe.2230:
> .byte -86
> .
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55646
Bug #: 55646
Summary: Array of data as argument
Classification: Unclassified
Product: gcc
Version: 4.7.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
C
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54587
Bug #: 54587
Summary: Error with constant in arithmetic
Classification: Unclassified
Product: gcc
Version: 4.7.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50992
Alexander changed:
What|Removed |Added
Severity|enhancement |normal
--- Comment #6 from Alexander 2011-11
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50992
Alexander changed:
What|Removed |Added
Summary|Wconversion does not handle |abs() and cabs()
|complex t
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50992
--- Comment #2 from Alexander 2011-11-04 14:59:53
UTC ---
Created attachment 25714
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=25714
NULL
I right now noticed that abs() just return real part of complex number.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50992
Bug #: 50992
Summary: abs() and cabs()
Classification: Unclassified
Product: gcc
Version: 4.6.2
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50136
Bug #: 50136
Summary: Loop inc/dec optimization.
Classification: Unclassified
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
C
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50135
Bug #: 50135
Summary: Loop optimization.
Classification: Unclassified
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component
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