PR target/9700
* config/alpha/alpha.c (alpha_va_start): Account for
current_function_pretend_args_size in the AP offset.
* config/alpha/alpha.h (SETUP_INCOMING_VARARGS): Move out of line.
(INITIAL_ELIMINATION_OFFSET): Move out of line.
* config/alpha/alpha.c (alpha_setup_incoming_varargs): New.
(alpha_initial_elimination_offset) New.
* config/alpha/alpha-protos.h: Update.
* gcc.c-torture/execute/va-arg-23.c: New.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@64367 138bc75d-0d04-0410-961f-82ee72b054a4