[Bug target/15184] [4.6/4.7/4.8 Regression] Direct access to byte inside word not working with -march=pentiumpro

2013-01-15 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15184 --- Comment #24 from Richard Biener 2013-01-15 14:31:02 UTC --- We fail to fold (short unsigned int) ( X | (signed short) Y ) to (short unsigned int ) X | (short unsigned int) Y and thus end up with needlessly many conversion

[Bug target/15184] [4.6/4.7/4.8 Regression] Direct access to byte inside word not working with -march=pentiumpro

2012-12-03 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15184 Richard Biener changed: What|Removed |Added Priority|P3 |P2

[Bug target/15184] [4.6/4.7/4.8 Regression] Direct access to byte inside word not working with -march=pentiumpro

2012-11-11 Thread steven at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15184 Steven Bosscher changed: What|Removed |Added CC|steven at gcc dot gnu.org | --- Comment #23 from Steven

[Bug target/15184] [4.6/4.7/4.8 Regression] Direct access to byte inside word not working with -march=pentiumpro

2012-11-10 Thread mikpe at it dot uu.se
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15184 --- Comment #22 from Mikael Pettersson 2012-11-10 13:36:46 UTC --- Created attachment 28655 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=28655 another test case I'm using a construct similar to the 'f1' function of the initial te

[Bug target/15184] [4.6/4.7/4.8 Regression] Direct access to byte inside word not working with -march=pentiumpro

2012-11-10 Thread ubizjak at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15184 --- Comment #21 from Uros Bizjak 2012-11-10 12:15:14 UTC --- (In reply to comment #20) > Please can the RMs have a new look at this. This is tuning decision, and I see Intel folks in the CC. I see no problem in changing these defaults

[Bug target/15184] [4.6/4.7/4.8 Regression] Direct access to byte inside word not working with -march=pentiumpro

2012-11-09 Thread steven at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15184 Steven Bosscher changed: What|Removed |Added Priority|P5 |P3 Last reconfirmed|2005-05-

[Bug target/15184] [4.6/4.7/4.8 Regression] Direct access to byte inside word not working with -march=pentiumpro

2012-07-02 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15184 Richard Guenther changed: What|Removed |Added Target Milestone|4.5.4 |4.6.4