On Fri, Feb 1, 2019 at 10:18 PM H.J. Lu <hjl.to...@gmail.com> wrote: > > In 64-bit mode when MMX is disabled, we can use SSE2 emulate MMX > intrinsics. > > PR target/89021 > * libitm.h (_ITM_TYPE_M64): Also enabled with SSE2 in 64-bit mode. > --- > libitm/libitm.h | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/libitm/libitm.h b/libitm/libitm.h > index c892608cef7..7b471d4ad4b 100644 > --- a/libitm/libitm.h > +++ b/libitm/libitm.h > @@ -217,7 +217,7 @@ ITM_LOG(CD) > ITM_LOG(CE) > > #if defined(__i386__) || defined(__x86_64__) > -# ifdef __MMX__ > +# if defined(__MMX__) || (defined(__x86_64__) && defined(__SSE2__))
I think this will not be needed with my proposed approach, which doesn't kill __MMX__. Uros. > typedef int _ITM_TYPE_M64 __attribute__((vector_size(8), may_alias)); > ITM_BARRIERS(M64) > ITM_LOG(M64) > -- > 2.20.1 >
