https://gcc.gnu.org/bugzilla/show_bug.cgi?id=12258
olly at survex dot com changed:
What|Removed |Added
CC||olly at survex dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55299
--- Comment #2 from olly at survex dot com 2012-11-13 20:40:06 UTC ---
Interestingly clang (at least 3.0-6 from Debian testing) fails to optimise the
same testcase but shifting by a constant. For that variant case clang
generates
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55299
Bug #: 55299
Summary: missed optimization: ASR idiom
Classification: Unclassified
Product: gcc
Version: 4.7.1
Status: UNCONFIRMED
Severity: normal
Priority
Component: libstdc++
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: olly at survex dot com
GCC build triplet: x86_64-unknown-linux-gnu
GCC host triplet: x86_64-unknown-linux-gnu
GCC target triplet: x86_64-unknown-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42261
--- Comment #3 from olly at survex dot com 2008-01-14 00:58 ---
If by "delete this option from the C++ FE" you mean that `g++ -Winit-self
[...]' would give an error, I'm not sure that's the best approach if the option
is likely to be sorted out for C++ in the
--- Comment #1 from olly at survex dot com 2008-01-13 18:23 ---
I've just noticed that Debian have a packaged 4.3 snapshot:
g++-4.3 (Debian 4.3-20080104-1) 4.3.0 20080104 (experimental) [trunk revision
131316]
Testing with this shows the same behaviour for C++.
--
olly at s
bjC++)
Product: gcc
Version: 4.2.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: olly at survex dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34772
--- Additional Comments From olly at survex dot com 2005-09-15 21:38
---
Confirmed fixed in:
g++-4.0 (GCC) 4.0.0 20050301 (prerelease) (Debian 4.0-0pre6ubuntu7)
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What|Removed |Added