[Bug c/47271] New: gcc-4.6 -O1 -ftree-vectorize removes a test (if), the function generates invalid outputs

2011-01-12 Thread victor.stinner at haypocalc dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47271 Summary: gcc-4.6 -O1 -ftree-vectorize removes a test (if), the function generates invalid outputs Product: gcc Version: 4.6.0 Status: UNCONFIRMED Severity: critical

[Bug c/47271] gcc-4.6 -O1 -ftree-vectorize removes a test (if), the function generates invalid outputs

2011-01-12 Thread victor.stinner at haypocalc dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47271 --- Comment #1 from Victor Stinner 2011-01-12 18:54:32 UTC --- Created attachment 22951 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22951 Example to reproduce the bug