* [committed] arc: Fix up arc_setup_incoming_varargs [PR114175]
@ 2024-03-19 8:52 Jakub Jelinek
0 siblings, 0 replies; only message in thread
From: Jakub Jelinek @ 2024-03-19 8:52 UTC (permalink / raw)
To: gcc-patches
Hi!
Like for x86-64, alpha or rs6000, arc 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.
2024-03-19 Jakub Jelinek <jakub@redhat.com>
PR target/114175
* config/arc/arc.cc (arc_setup_incoming_varargs): Only skip
arc_function_arg_advance for TYPE_NO_NAMED_ARGS_STDARG_P functions
if arg.type is NULL.
--- gcc/config/arc/arc.cc.jj 2024-01-09 13:47:23.156686787 +0100
+++ gcc/config/arc/arc.cc 2024-03-19 09:28:04.107112113 +0100
@@ -2352,7 +2352,8 @@ arc_setup_incoming_varargs (cumulative_a
/* We must treat `__builtin_va_alist' as an anonymous arg. */
next_cum = *get_cumulative_args (args_so_far);
- 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)
arc_function_arg_advance (pack_cumulative_args (&next_cum), arg);
first_anon_arg = next_cum;
Jakub
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2024-03-19 8:52 [committed] arc: Fix up arc_setup_incoming_varargs [PR114175] Jakub Jelinek
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