[Bug c/38518] Excessive compile time with -O3

2008-12-14 Thread dcb314 at hotmail dot com
--- Comment #3 from dcb314 at hotmail dot com 2008-12-14 09:52 --- (In reply to comment #2) > On 2.66GHz Cor2 Quad running Fedora 9/x86-64, gcc 4.4 revision 142740 gave: Thanks for the extra information. I am concerned that the -O3 takes nine times longer than the -O2. I'd be interest

[Bug c/38518] Excessive compile time with -O3

2008-12-13 Thread hjl dot tools at gmail dot com
--- Comment #2 from hjl dot tools at gmail dot com 2008-12-13 19:50 --- On 2.66GHz Cor2 Quad running Fedora 9/x86-64, gcc 4.4 revision 142740 gave: lake:pts/1[9]> time ./xgcc -B./ -O3 /tmp/bug48.c -S ./xgcc -B./ -O3 /tmp/bug48.c -S 94.39s user 0.98s system 99% cpu 1:35.51 total lake:pt

[Bug c/38518] Excessive compile time with -O3

2008-12-13 Thread dcb314 at hotmail dot com
--- Comment #1 from dcb314 at hotmail dot com 2008-12-13 18:18 --- Created an attachment (id=16904) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=16904&action=view) C source code -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38518