On Fri, Mar 21, 2014 at 11:35:12PM +0000, Stuart Brady wrote: > On Mon, Mar 17, 2014 at 11:37:44AM -0700, Richard Henderson wrote: > > diff --git a/tcg/README b/tcg/README > > index f178212..160cbe8 100644 > > --- a/tcg/README > > +++ b/tcg/README > > @@ -306,6 +306,11 @@ This operation would be equivalent to > > > > dest = (t1 & ~0x0f00) | ((t2 << 8) & 0x0f00) > > > > +* trunc_i32 t0, t1, pos > > + > > +For 64-bit hosts only, right shift the 64-bit input T1 by POS and > > +truncate to 32-bit output T0. Depending on the host, this may be > > +a simple mov/shift, or may require additional canonicalization. > > Surely trunc_rshift_i64_i32, which is used elsewhere in this patch?
... but not used consistently, so this affects more than just the README. Forgot to mention that! :-) > ... or trunc_shr_i64_i32 as we use 'shr' for the existing shift-right op. Cheers, Stuart
