Hi!
Like for x86-64, alpha or rs6000, epiphany seems to be affected too.
Just visually checked differences in c23-stdarg-9.c assembly in a cross
without/with the patch, committed to trunk.
2024-03-20 Jakub Jelinek <ja...@redhat.com>
PR target/114175
* config/epiphany/epiphany.cc (epiphany_setup_incoming_varargs): Only
skip function arg advance for TYPE_NO_NAMED_ARGS_STDARG_P functions
if arg.type is NULL.
--- gcc/config/epiphany/epiphany.cc.jj 2024-01-03 11:51:47.401510931 +0100
+++ gcc/config/epiphany/epiphany.cc 2024-03-20 16:10:08.152226880 +0100
@@ -728,7 +728,8 @@ epiphany_setup_incoming_varargs (cumulat
gcc_assert (arg.mode != BLKmode);
next_cum = *get_cumulative_args (cum);
- if (!TYPE_NO_NAMED_ARGS_STDARG_P (TREE_TYPE (current_function_decl)))
+ if (!TYPE_NO_NAMED_ARGS_STDARG_P (TREE_TYPE (current_function_decl))
+ || arg.type != NULL_TREE)
next_cum = (ROUND_ADVANCE_CUM (next_cum, arg.mode, arg.type)
+ ROUND_ADVANCE_ARG (arg.mode, arg.type));
first_anon_arg = next_cum;
Jakub
