summaryrefslogtreecommitdiff
path: root/gcc/dojump.h
diff options
context:
space:
mode:
Diffstat (limited to 'gcc/dojump.h')
-rw-r--r--gcc/dojump.h234
1 files changed, 234 insertions, 0 deletions
diff --git a/gcc/dojump.h b/gcc/dojump.h
new file mode 100644
index 00000000000..b41ba815ff5
--- /dev/null
+++ b/gcc/dojump.h
@@ -0,0 +1,234 @@
+/* Export function prototypes from dojump.c.
+ Copyright (C) 2015-2016 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, rtx, int);
+extern void jumpifnot_1 (enum tree_code, tree, tree, rtx, int);
+
+/* Generate code to evaluate EXP and jump to LABEL if the value is nonzero. */
+extern void jumpif (tree, rtx, int);
+extern void jumpif_1 (enum tree_code, tree, tree, rtx, int);
+
+/* 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, rtx, rtx, int);
+extern void do_jump_1 (enum tree_code, tree, tree, rtx, rtx, int);
+
+extern void do_compare_rtx_and_jump (rtx, rtx, enum rtx_code, int,
+ machine_mode, rtx, rtx, rtx, int);
+
+extern bool split_comparison (enum rtx_code, machine_mode,
+ enum rtx_code *, enum rtx_code *);
+
+#endif /* GCC_DOJUMP_H */
+/* Export function prototypes from dojump.c.
+ Copyright (C) 2015-2016 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, rtx, int);
+extern void jumpifnot_1 (enum tree_code, tree, tree, rtx, int);
+
+/* Generate code to evaluate EXP and jump to LABEL if the value is nonzero. */
+extern void jumpif (tree, rtx, int);
+extern void jumpif_1 (enum tree_code, tree, tree, rtx, int);
+
+/* 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, rtx, rtx, int);
+extern void do_jump_1 (enum tree_code, tree, tree, rtx, rtx, int);
+
+extern void do_compare_rtx_and_jump (rtx, rtx, enum rtx_code, int,
+ machine_mode, rtx, rtx, rtx, int);
+
+extern bool split_comparison (enum rtx_code, machine_mode,
+ enum rtx_code *, enum rtx_code *);
+
+#endif /* GCC_DOJUMP_H */
+/* Export function prototypes from dojump.c.
+ Copyright (C) 2015-2016 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, rtx, int);
+extern void jumpifnot_1 (enum tree_code, tree, tree, rtx, int);
+
+/* Generate code to evaluate EXP and jump to LABEL if the value is nonzero. */
+extern void jumpif (tree, rtx, int);
+extern void jumpif_1 (enum tree_code, tree, tree, rtx, int);
+
+/* 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, rtx, rtx, int);
+extern void do_jump_1 (enum tree_code, tree, tree, rtx, rtx, int);
+
+extern void do_compare_rtx_and_jump (rtx, rtx, enum rtx_code, int,
+ machine_mode, rtx, rtx, rtx, int);
+
+extern bool split_comparison (enum rtx_code, machine_mode,
+ enum rtx_code *, enum rtx_code *);
+
+#endif /* GCC_DOJUMP_H */