https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98734
--- Comment #6 from Matthias Kretz (Vir) <mkretz at gcc dot gnu.org> ---
I think I found it. Untested patch. Is this going in the right direction?
diff --git i/gcc/function.cc w/gcc/function.cc
index 2ad430a8013..45534b02c96 100644
--- i/gcc/function.cc
+++ w/gcc/function.cc
@@ -4027,7 +4027,7 @@ struct assign_parm_data_one
void
locate_and_pad_parm (machine_mode passed_mode, tree type, int in_regs,
int reg_parm_stack_space, int partial,
- tree fndecl ATTRIBUTE_UNUSED,
+ tree fndecl,
struct args_size *initial_offset_ptr,
struct locate_and_pad_arg_data *locate)
{
@@ -4063,10 +4063,17 @@ struct locate_and_pad_arg_data
sizetree = (type
? arg_size_in_bytes (type)
: size_int (GET_MODE_SIZE (passed_mode)));
+
+ /* If the function is always inlined then psabi warnings are bogus. */
+ const bool save_warn_psabi = warn_psabi;
+ if (TREE_CODE(fndecl) == FUNCTION_DECL
+ && DECL_DISREGARD_INLINE_LIMITS(fndecl))
+ warn_psabi = false;
where_pad = targetm.calls.function_arg_padding (passed_mode, type);
boundary = targetm.calls.function_arg_boundary (passed_mode, type);
round_boundary = targetm.calls.function_arg_round_boundary (passed_mode,
type);
+ warn_psabi = save_warn_psabi;
locate->where_pad = where_pad;
/* Alignment can't exceed MAX_SUPPORTED_STACK_ALIGNMENT. */
