Richard Henderson <r...@twiddle.net> writes: > Force the use of cmpxchg16b on x86_64. > > Wikipedia suggests that only very old AMD64 (circa 2004) did not have > this instruction. Further, it's required by Windows 8 so no new cpus > will ever omit it. > > If we truely care about these, then we could check this at startup time > and then avoid executing paths that use it. > > Signed-off-by: Richard Henderson <r...@twiddle.net> <snip> > diff --git a/tcg-runtime.c b/tcg-runtime.c > index aa55d12..0c97cdf 100644 > --- a/tcg-runtime.c > +++ b/tcg-runtime.c > @@ -118,8 +118,8 @@ static void *atomic_mmu_lookup(CPUArchState *env, > target_ulong addr, > /* Macro to call the above, with local variables from the use context. */ > #define ATOMIC_MMU_LOOKUP atomic_mmu_lookup(env, addr, DATA_SIZE, GETPC()) > > -#define ATOMIC_NAME(X) HELPER(glue(glue(atomic_ ## X, SUFFIX), END)) > #define EXTRA_ARGS > +#define ATOMIC_NAME(X) HELPER(glue(glue(atomic_ ## X, SUFFIX), END))
This seems a null change. I think it was also in the last series. -- Alex Bennée
