diff options
Diffstat (limited to 'gcc/function.c')
| -rw-r--r-- | gcc/function.c | 25 |
1 files changed, 14 insertions, 11 deletions
diff --git a/gcc/function.c b/gcc/function.c index 07f9960..ae19e07a 100644 --- a/gcc/function.c +++ b/gcc/function.c @@ -6681,6 +6681,11 @@ expand_function_end (filename, line, end_bindings) finish_expr_for_function (); + /* If arg_pointer_save_area was referenced only from a nested + function, we will not have initialized it yet. Do that now. */ + if (arg_pointer_save_area && ! cfun->arg_pointer_save_area_init) + get_arg_pointer_save_area (cfun); + #ifdef NON_SAVING_SETJMP /* Don't put any variables in registers if we call setjmp on a machine that fails to restore the registers. */ @@ -6998,27 +7003,25 @@ get_arg_pointer_save_area (f) if (! ret) { - rtx seq; - ret = assign_stack_local_1 (Pmode, GET_MODE_SIZE (Pmode), 0, f); f->x_arg_pointer_save_area = ret; + } + + if (f == cfun && ! f->arg_pointer_save_area_init) + { + rtx seq; /* Save the arg pointer at the beginning of the function. The - generated stack slot may not be a valid memory address, so w + generated stack slot may not be a valid memory address, so we have to check it and fix it if necessary. */ start_sequence (); emit_move_insn (validize_mem (ret), virtual_incoming_args_rtx); seq = gen_sequence (); end_sequence (); - if (f == cfun) - { - push_topmost_sequence (); - emit_insn_after (seq, get_insns ()); - pop_topmost_sequence (); - } - else - emit_insn_before (seq, f->x_tail_recursion_reentry); + push_topmost_sequence (); + emit_insn_after (seq, get_insns ()); + pop_topmost_sequence (); } return ret; |