http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20020
--- Comment #39 from Chip Salzenberg <chip at pobox dot com> 2012-08-15 09:13:36 UTC --- avoiding BLKmode avoids unnecessary spills to memory. See Bug 28831 and Bug 41194 for examples.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20020
--- Comment #39 from Chip Salzenberg <chip at pobox dot com> 2012-08-15 09:13:36 UTC --- avoiding BLKmode avoids unnecessary spills to memory. See Bug 28831 and Bug 41194 for examples.