[Bug c/42234] New: internal compiler error: verify_ssa failed

2009-11-30 Thread chenyang at cs dot utah dot edu
nternal compiler error: verify_ssa failed Product: gcc Version: 4.5.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: chenyang at cs dot utah dot

[Bug c/42084] Wrong result with -Os -fno-delete-null-pointer-checks

2009-11-17 Thread chenyang at cs dot utah dot edu
--- Comment #2 from chenyang at cs dot utah dot edu 2009-11-17 21:21 --- I am sorry I should also mention that the code works with "-Os", or "-O3" or "-O2", but not with the extra flag -fno-delete-null-pointer-checks. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42084

[Bug c/42084] Wrong result with -Os -fno-delete-null-pointer-checks

2009-11-17 Thread chenyang at cs dot utah dot edu
--- Comment #1 from chenyang at cs dot utah dot edu 2009-11-17 21:13 --- The inconsistent results also show up with the following combinations: -O3 -fno-delete-null-pointer-checks -O2 -fno-delete-null-pointer-checks -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42084

[Bug c/42084] New: Wrong result with -Os -fno-delete-null-pointer-checks

2009-11-17 Thread chenyang at cs dot utah dot edu
Summary: Wrong result with -Os -fno-delete-null-pointer-checks Product: gcc Version: 4.5.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: chenyan

[Bug c/42006] New: Termination problem with -O2 and -O3

2009-11-10 Thread chenyang at cs dot utah dot edu
rity: normal Priority: P3 Component: c AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: chenyang at cs dot utah dot edu GCC build triplet: i686-pc-linux-gnu GCC host triplet: i686-pc-linux-gnu GCC target triplet: i686-pc-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42006

[Bug c/41919] New: optimized code with -O2 or -O3 gives strange result

2009-11-02 Thread chenyang at cs dot utah dot edu
mary: optimized code with -O2 or -O3 gives strange result Product: gcc Version: 4.5.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: chenyang at cs dot utah

[Bug c/41917] Strange athrithmetic result with -O3

2009-11-02 Thread chenyang at cs dot utah dot edu
--- Comment #2 from chenyang at cs dot utah dot edu 2009-11-02 22:24 --- The expected result is: g_64 = 1 -- chenyang at cs dot utah dot edu changed: What|Removed |Added

[Bug c/41917] New: Strange athrithmetic result with -O3

2009-11-02 Thread chenyang at cs dot utah dot edu
unassigned at gcc dot gnu dot org ReportedBy: chenyang at cs dot utah dot edu GCC build triplet: i686-pc-linux-gnu GCC host triplet: i686-pc-linux-gnu GCC target triplet: i686-pc-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41917