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(expand_end_bindings): Don't bother emitting cleanups

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after a barrier.

From-SVN: r7432
This commit is contained in:
Jason Merrill 1994-06-02 22:28:22 +00:00
parent d9e1ab8d4e
commit 413ec213e4
1 changed files with 26 additions and 22 deletions
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48
gcc/stmt.c
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@ -2955,29 +2955,33 @@ expand_end_bindings (vars, mark_ends, dont_jump_in)
if (thisblock->data.block.stack_level != 0
|| thisblock->data.block.cleanups != 0)
{
/* Don't let cleanups affect ({...}) constructs. */
int old_expr_stmts_for_value = expr_stmts_for_value;
rtx old_last_expr_value = last_expr_value;
tree old_last_expr_type = last_expr_type;
expr_stmts_for_value = 0;
/* Do the cleanups. */
expand_cleanups (thisblock->data.block.cleanups, NULL_TREE);
do_pending_stack_adjust ();
expr_stmts_for_value = old_expr_stmts_for_value;
last_expr_value = old_last_expr_value;
last_expr_type = old_last_expr_type;
/* Restore the stack level. */
if (thisblock->data.block.stack_level != 0)
/* Only clean up here if this point can actually be reached. */
if (GET_CODE (get_last_insn ()) != BARRIER)
{
emit_stack_restore (thisblock->next ? SAVE_BLOCK : SAVE_FUNCTION,
thisblock->data.block.stack_level, NULL_RTX);
if (nonlocal_goto_handler_slot != 0)
emit_stack_save (SAVE_NONLOCAL, &nonlocal_goto_stack_level,
NULL_RTX);
/* Don't let cleanups affect ({...}) constructs. */
int old_expr_stmts_for_value = expr_stmts_for_value;
rtx old_last_expr_value = last_expr_value;
tree old_last_expr_type = last_expr_type;
expr_stmts_for_value = 0;
/* Do the cleanups. */
expand_cleanups (thisblock->data.block.cleanups, NULL_TREE);
do_pending_stack_adjust ();
expr_stmts_for_value = old_expr_stmts_for_value;
last_expr_value = old_last_expr_value;
last_expr_type = old_last_expr_type;
/* Restore the stack level. */
if (thisblock->data.block.stack_level != 0)
{
emit_stack_restore (thisblock->next ? SAVE_BLOCK : SAVE_FUNCTION,
thisblock->data.block.stack_level, NULL_RTX);
if (nonlocal_goto_handler_slot != 0)
emit_stack_save (SAVE_NONLOCAL, &nonlocal_goto_stack_level,
NULL_RTX);
}
}
/* Any gotos out of this block must also do these things.