https://gcc.gnu.org/g:02f66c40fb626656b924c1c7af3b5ededf8963e5
commit r13-8518-g02f66c40fb626656b924c1c7af3b5ededf8963e5
Author: Jakub Jelinek <ja...@redhat.com>
Date: Wed Mar 20 17:00:08 2024 +0100
nios2: Fix up nios2_setup_incoming_varargs [PR114175]
Like for x86-64, alpha or rs6000, nios2 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/nios2/nios2.cc (nios2_setup_incoming_varargs): Only skip
nios2_function_arg_advance for TYPE_NO_NAMED_ARGS_STDARG_P functions
if arg.type is NULL.
(cherry picked from commit 4c9d2810908004b7e04599b426aca5ee1bd16735)
Diff:
---
gcc/config/nios2/nios2.cc | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/gcc/config/nios2/nios2.cc b/gcc/config/nios2/nios2.cc
index 936eb34ace4..916324c019b 100644
--- a/gcc/config/nios2/nios2.cc
+++ b/gcc/config/nios2/nios2.cc
@@ -3524,7 +3524,8 @@ nios2_setup_incoming_varargs (cumulative_args_t cum_v,
cfun->machine->uses_anonymous_args = 1;
local_cum = *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)
nios2_function_arg_advance (local_cum_v, arg);
regs_to_push = NUM_ARG_REGS - local_cum.regs_used;
