diff gcc/dojump.h @ 16:04ced10e8804

gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
parents
children 84e7813d76e9
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/dojump.h	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,84 @@
+/* Export function prototypes from dojump.c.
+   Copyright (C) 2015-2017 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 3, or (at your option) any later
+version.
+
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
+
+#ifndef GCC_DOJUMP_H
+#define GCC_DOJUMP_H
+
+/* At the start of a function, record that we have no previously-pushed
+   arguments waiting to be popped.  */
+extern void init_pending_stack_adjust (void);
+
+/* Discard any pending stack adjustment.  */
+extern void discard_pending_stack_adjust (void);
+
+/* When exiting from function, if safe, clear out any pending stack adjust
+   so the adjustment won't get done.  */
+extern void clear_pending_stack_adjust (void);
+
+/* Pop any previously-pushed arguments that have not been popped yet.  */
+extern void do_pending_stack_adjust (void);
+
+/* Struct for saving/restoring of pending_stack_adjust/stack_pointer_delta
+   values.  */
+
+struct saved_pending_stack_adjust
+{
+  /* Saved value of pending_stack_adjust.  */
+  int x_pending_stack_adjust;
+
+  /* Saved value of stack_pointer_delta.  */
+  int x_stack_pointer_delta;
+};
+
+/* Remember pending_stack_adjust/stack_pointer_delta.
+   To be used around code that may call do_pending_stack_adjust (),
+   but the generated code could be discarded e.g. using delete_insns_since.  */
+
+extern void save_pending_stack_adjust (saved_pending_stack_adjust *);
+
+/* Restore the saved pending_stack_adjust/stack_pointer_delta.  */
+
+extern void restore_pending_stack_adjust (saved_pending_stack_adjust *);
+
+/* Generate code to evaluate EXP and jump to LABEL if the value is zero.  */
+extern void jumpifnot (tree exp, rtx_code_label *label,
+		       profile_probability prob);
+extern void jumpifnot_1 (enum tree_code, tree, tree, rtx_code_label *,
+			 profile_probability);
+
+/* Generate code to evaluate EXP and jump to LABEL if the value is nonzero.  */
+extern void jumpif (tree exp, rtx_code_label *label, profile_probability prob);
+extern void jumpif_1 (enum tree_code, tree, tree, rtx_code_label *,
+		      profile_probability);
+
+/* Generate code to evaluate EXP and jump to IF_FALSE_LABEL if
+   the result is zero, or IF_TRUE_LABEL if the result is one.  */
+extern void do_jump (tree exp, rtx_code_label *if_false_label,
+		     rtx_code_label *if_true_label, profile_probability prob);
+extern void do_jump_1 (enum tree_code, tree, tree, rtx_code_label *,
+		       rtx_code_label *, profile_probability);
+
+extern void do_compare_rtx_and_jump (rtx, rtx, enum rtx_code, int,
+				     machine_mode, rtx, rtx_code_label *,
+				     rtx_code_label *, profile_probability);
+
+extern bool split_comparison (enum rtx_code, machine_mode,
+			      enum rtx_code *, enum rtx_code *);
+
+#endif /* GCC_DOJUMP_H */