From 125f294e851b2282ee3bc88a6e5957cc90f013bd Mon Sep 17 00:00:00 2001 From: Haochen Gui Date: Thu, 1 Dec 2022 13:55:46 +0800 Subject: [PATCH] rs6000: Corrects comments which are added by r13-4423 gcc/ * config/rs6000/rs6000-call.cc (swap_endian_selector_for_mode): Corrects comments of this function and make them clear. --- gcc/config/rs6000/rs6000-call.cc | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/gcc/config/rs6000/rs6000-call.cc b/gcc/config/rs6000/rs6000-call.cc index c2a4e4f..59c51fa 100644 --- a/gcc/config/rs6000/rs6000-call.cc +++ b/gcc/config/rs6000/rs6000-call.cc @@ -2802,8 +2802,10 @@ rs6000_gimplify_va_arg (tree valist, tree type, gimple_seq *pre_p, return build_va_arg_indirect_ref (addr); } -/* The selector (perm) is expected to be used with vperm direct as the - function generates reversed perm for little endian with this patch. */ +/* Return the permutation index for the swapping on the given vector mode. + Note that the permutation index is correspondingly generated by endianness, + it should be used by direct vector permutation. */ + rtx swap_endian_selector_for_mode (machine_mode mode) { -- 2.7.4