[Bug tree-optimization/34683] compile-time problem with -fstrict-aliasing

2008-01-06 Thread rguenth at gcc dot gnu dot org
--- Comment #6 from rguenth at gcc dot gnu dot org 2008-01-06 09:56 --- The problem is we have loads of unpartitionable SFTs. There are workarounds possible that only might affect performance of generated code, for example you can use --param salias-max-array-elements=0, which will redu

[Bug tree-optimization/34683] compile-time problem with -fstrict-aliasing

2008-01-05 Thread jvdelisle at gcc dot gnu dot org
--- Comment #5 from jvdelisle at gcc dot gnu dot org 2008-01-06 00:36 --- Confirmed: Some comparative timings with Intel and Sun compilers which also use very little memory. $ time gfc -c -O2 janus_slow.f90 real2m53.448s user2m51.425s sys 0m1.878s $ time ifort -c -O2 janu

[Bug tree-optimization/34683] compile-time problem with -fstrict-aliasing

2008-01-05 Thread jaydub66 at gmail dot com
--- Comment #4 from jaydub66 at gmail dot com 2008-01-05 23:51 --- But 800MB of memory is definitely *a lot* for such a small file! -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34683

[Bug tree-optimization/34683] compile-time problem with -fstrict-aliasing

2008-01-05 Thread jaydub66 at gmail dot com
--- Comment #3 from jaydub66 at gmail dot com 2008-01-05 23:46 --- (In reply to comment #2) > Can you give the output of the compiler when -ftime-report is added? Sure thing, thanks for the remark. Here it goes: gfortran-4.3 -c -ftime-report -O1 -fstrict-aliasing Amplitudes.f90 Execut

[Bug tree-optimization/34683] compile-time problem with -fstrict-aliasing

2008-01-05 Thread pinskia at gcc dot gnu dot org
--- Comment #2 from pinskia at gcc dot gnu dot org 2008-01-05 23:37 --- Can you give the output of the compiler when -ftime-report is added? -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34683

[Bug tree-optimization/34683] compile-time problem with -fstrict-aliasing

2008-01-05 Thread jaydub66 at gmail dot com
--- Comment #1 from jaydub66 at gmail dot com 2008-01-05 23:36 --- Created an attachment (id=14885) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=14885&action=view) test case -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34683