I forgot to Cc: Richard on this patch set, doing that now... On Sat, Dec 21, 2013 at 05:43:39PM +0100, Aurelien Jarno wrote: > This patchset enable the usage of the movbe instruction, available on > Intel Atom and Intel Haswell CPU, in qemu_ldst routines, avoiding bswap > instructions before or after the store or loads. The availability of > this instruction is done at runtime using the cpuid instruction. > > The last patch of the series is not fully related, but I spotted the > issue when working on this patchset, so I thought it's a good idea to > fix it. > > Aurelien Jarno (5): > disas/i386.c: disassemble movbe instruction > tcg/i386: remove hardcoded P_REXW value > tcg/i386: add support for three-byte opcodes > tcg/i386: use movbe instruction in qemu_ldst routines > tcg/i386: cleanup useless #ifdef > > disas/i386.c | 8 +-- > tcg/i386/tcg-target.c | 178 > ++++++++++++++++++++++++++++++++++--------------- > 2 files changed, 128 insertions(+), 58 deletions(-) > > -- > 1.7.10.4 > >
-- Aurelien Jarno GPG: 1024D/F1BCDB73 aurel...@aurel32.net http://www.aurel32.net
