------- Comment #62 from hjl dot tools at gmail dot com 2009-10-16 02:48 ------- (In reply to comment #61) > > As for the updated patch --- why does it modify the autovectorizer? Anything > that the autovectorizer does can be done manually without the autovectorizer. > So, if there is a case where patching the autovectorizer is required to avoid > a > bug, there is definitely another case, where the bug still persists if the > programmer vectorizes the code explicitly.
Show me the testcase. When you create a vector variable on stack, the hard stack alignment will be updated. Vectorizer may not alwats put vector variable on stack. That is why I have to track it separately. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40838
