On Fri, Jan 9, 2015 at 5:52 AM, Segher Boessenkool <seg...@kernel.crashing.org> wrote: > This fixes 88 testsuite FAILs. > > -mpowerpc64 does not change the ABI, but it does change the value of > UNITS_PER_WORD. We could use POINTER_SIZE_UNITS instead of 4 here, > but that does not seem quite right. This code is for SVR4 only, so > a literal 4 isn't so bad I think. Better suggestions welcome though. > > Bootstrapped and tested as usual. Okay for mainline? > > > Segher > > > 2015-01-09 Segher Boessenkool <seg...@kernel.crashing.org> > > gcc/ > * config/rs6000/rs6000.c (rs6000_va_start): Use a literal 4 instead > of UNITS_PER_WORD to describe the size of stack slots. > > --- > gcc/config/rs6000/rs6000.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c > index 66a1399..cc7b2a4 100644 > --- a/gcc/config/rs6000/rs6000.c > +++ b/gcc/config/rs6000/rs6000.c > @@ -11225,7 +11225,7 @@ rs6000_va_start (tree valist, rtx nextarg) > /* Find the overflow area. */ > t = make_tree (TREE_TYPE (ovf), virtual_incoming_args_rtx); > if (words != 0) > - t = fold_build_pointer_plus_hwi (t, words * UNITS_PER_WORD); > + t = fold_build_pointer_plus_hwi (t, 4 * words); > t = build2 (MODIFY_EXPR, TREE_TYPE (ovf), ovf, t); > TREE_SIDE_EFFECTS (t) = 1; > expand_expr (t, const0_rtx, VOIDmode, EXPAND_NORMAL);
MIN_UNITS_PER_WORD Okay with that change. Thanks, David