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From: HaoChen Gui <guihaoc@gcc.gnu.org> To: gcc-cvs@gcc.gnu.org Subject: [gcc r13-4434] rs6000: Corrects comments which are added by r13-4423 Date: Thu, 1 Dec 2022 06:10:53 +0000 (GMT) [thread overview] Message-ID: <20221201061053.784CE385840C@sourceware.org> (raw) https://gcc.gnu.org/g:125f294e851b2282ee3bc88a6e5957cc90f013bd commit r13-4434-g125f294e851b2282ee3bc88a6e5957cc90f013bd Author: Haochen Gui <guihaoc@gcc.gnu.org> Date: Thu Dec 1 13:55:46 2022 +0800 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. Diff: --- 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 c2a4e4f4e27..59c51fa3579 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) {
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