Use fxsave64 and fxrstor64 mnemonics instead of old-school rex64 prefix 
bz#339636

Before:

== 591 tests, 232 stderr failures, 22 stdout failures, 0 stderrB failures, 0 stdoutB failures, 30 post failures ==

After:

== 591 tests, 232 stderr failures, 22 stdout failures, 0 stderrB failures, 0 stdoutB failures, 30 post failures ==


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@15198 a5019735-40e9-0310-863c-91ae7b9d1cf9
2 files changed