Fix extremely obscure bug in xadd picked up by QEMU's test suite.  The
(almost useless) instruction "xadd %reg,%reg" gave the wrong answer
due to a subtlety of the order in which the destination registers are
PUTted to.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@2513 a5019735-40e9-0310-863c-91ae7b9d1cf9
1 file changed