Add support for subarchitectures.  Currently ignored.

Supported x86 subarchitectures:
* sse0 - have fxsave/fxrstor (ie, the SSE state), but no sse insns
         That is, Pentium II and later
* sse1 - have SSE1 - Pentium III and later
* sse2 - have SSE2 - Pentium 4 and M and later



git-svn-id: svn://svn.valgrind.org/vex/trunk@678 8f6e269a-dfd6-0310-a8e1-e2731360e62c
2 files changed