[Bug c++/64724] C++ loop with -O3 optimization produces segfault while -O2 is fine

2015-01-21 Thread aprokop at sandia dot gov
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64724 --- Comment #3 from Andrey Prokopenko --- Andrew, Could you please point out the rule? I cannot find it. I also see that Intel x86/64 reference manual states in section 4.1.1 that ~~~ Words, doublewords, and quadwords do not need to be aligned

[Bug c++/64724] C++ loop with -O3 optimization produces segfault while -O2 is fine

2015-01-21 Thread aprokop at sandia dot gov
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64724 --- Comment #1 from Andrey Prokopenko --- Created attachment 34526 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34526&action=edit .ii file

[Bug c++/64724] New: C++ loop with -O3 optimization produces segfault while -O2 is fine

2015-01-21 Thread aprokop at sandia dot gov
Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: aprokop at sandia dot gov $ gcc -v Using built-in specs. COLLECT_GCC=/home/aprokop/local/opt/gcc-4.9.2/bin/gcc COLLECT_LTO_WRAPPER=/home/aprokop/local/opt/gcc-4.9.2/libexec/gcc/x86_64

[Bug c++/64723] -O3 optimization produces segfault through vectorization, while -O2 is fine

2015-01-21 Thread aprokop at sandia dot gov
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64723 Andrey Prokopenko changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug c++/64723] New: -O3 optimization produces segfault through vectorization, while -O2 is fine

2015-01-21 Thread aprokop at sandia dot gov
: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: aprokop at sandia dot gov Hi,