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| author | Haochen Gui <guihaoc@gcc.gnu.org> | 2022-12-01 13:55:46 +0800 |
|---|---|---|
| committer | Haochen Gui <guihaoc@gcc.gnu.org> | 2022-12-01 14:09:22 +0800 |
| commit | 125f294e851b2282ee3bc88a6e5957cc90f013bd (patch) | |
| tree | 4de9199b0a7fffbc259c7bf26000b8d7407fe9d0 | |
| parent | 4304e09a1617bcf1c87f5bc96017ae5017379d75 (diff) | |
| download | gcc-125f294e851b2282ee3bc88a6e5957cc90f013bd.zip gcc-125f294e851b2282ee3bc88a6e5957cc90f013bd.tar.gz gcc-125f294e851b2282ee3bc88a6e5957cc90f013bd.tar.bz2 | |
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.
| -rw-r--r-- | gcc/config/rs6000/rs6000-call.cc | 6 |
1 files 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) { |