[Bug target/20020] x86_64 - 128 bit structs not targeted to TImode

[chip at pobox dot com]

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.