Fix bug 73219.  This adds a general mechanism for querying the host CPU's
capabilities, and uses it to see if it has SSE/SSE2/fxsave support before
trying to use fxsave at startup.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@2221 a5019735-40e9-0310-863c-91ae7b9d1cf9
4 files changed