Re: [PATCH] Fix PR60896

2014-04-24 Thread Richard Biener
On Wed, 23 Apr 2014, Cong Hou wrote: > See http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60896 for bug report. > > The cause of PR60896 is that those statements in PATTERN_DEF_SEQ in > pre-recognized widen-mult pattern are not forwarded to later > recognized dot-product pattern. > > Another issue

[PATCH] Fix PR60896

2014-04-23 Thread Cong Hou
See http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60896 for bug report. The cause of PR60896 is that those statements in PATTERN_DEF_SEQ in pre-recognized widen-mult pattern are not forwarded to later recognized dot-product pattern. Another issue is that the def types of statements in PATTERN_DEF_S