This fixes 88 testsuite FAILs. -mpowerpc64 does not change the ABI, but it does change the value of UNITS_PER_WORD. This code is for 32-bit only so we can use MIN_UNITS_PER_WORD instead.
Bootstrapped and tested as usual. Okay for mainline? Segher 2015-01-14 Segher Boessenkool <seg...@kernel.crashing.org> gcc/ * config/rs6000/rs6000.c (rs6000_va_start): Use MIN_UNITS_PER_WORD 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 ca5ce28..afced72 100644 --- a/gcc/config/rs6000/rs6000.c +++ b/gcc/config/rs6000/rs6000.c @@ -11232,7 +11232,7 @@ 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, words * MIN_UNITS_PER_WORD); t = build2 (MODIFY_EXPR, TREE_TYPE (ovf), ovf, t); TREE_SIDE_EFFECTS (t) = 1; expand_expr (t, const0_rtx, VOIDmode, EXPAND_NORMAL); -- 1.8.1.4