[Bug middle-end/57278] -fno-if-conversion and -fno-if-conversion2 do not work as intended

2013-05-15 Thread shiwen.hu at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57278 --- Comment #3 from Shiwen Hu --- Thanks for the explanations regarding predicated instructions! How about the sign extension instructions that can be moved out of the loop? Shiwen

[Bug c/57278] New: -fno-if-conversion and -fno-if-conversion2 do not work as intended

2013-05-14 Thread shiwen.hu at gmail dot com
Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: shiwen.hu at gmail dot com Created attachment 30115 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30115&action=edit test code and binaries I tried to use "-fno-if-conver