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36566b39 | 1 | /* Export function prototypes from dojump.c. |
a5544970 | 2 | Copyright (C) 2015-2019 Free Software Foundation, Inc. |
36566b39 PK |
3 | |
4 | This file is part of GCC. | |
5 | ||
6 | GCC is free software; you can redistribute it and/or modify it under | |
7 | the terms of the GNU General Public License as published by the Free | |
8 | Software Foundation; either version 3, or (at your option) any later | |
9 | version. | |
10 | ||
11 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
12 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
13 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
14 | for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GCC; see the file COPYING3. If not see | |
18 | <http://www.gnu.org/licenses/>. */ | |
19 | ||
20 | #ifndef GCC_DOJUMP_H | |
21 | #define GCC_DOJUMP_H | |
22 | ||
36566b39 PK |
23 | /* At the start of a function, record that we have no previously-pushed |
24 | arguments waiting to be popped. */ | |
25 | extern void init_pending_stack_adjust (void); | |
26 | ||
27 | /* Discard any pending stack adjustment. */ | |
28 | extern void discard_pending_stack_adjust (void); | |
29 | ||
30 | /* When exiting from function, if safe, clear out any pending stack adjust | |
31 | so the adjustment won't get done. */ | |
32 | extern void clear_pending_stack_adjust (void); | |
33 | ||
34 | /* Pop any previously-pushed arguments that have not been popped yet. */ | |
35 | extern void do_pending_stack_adjust (void); | |
36 | ||
37 | /* Struct for saving/restoring of pending_stack_adjust/stack_pointer_delta | |
38 | values. */ | |
39 | ||
40 | struct saved_pending_stack_adjust | |
41 | { | |
42 | /* Saved value of pending_stack_adjust. */ | |
a20c5714 | 43 | poly_int64 x_pending_stack_adjust; |
36566b39 PK |
44 | |
45 | /* Saved value of stack_pointer_delta. */ | |
a20c5714 | 46 | poly_int64 x_stack_pointer_delta; |
36566b39 PK |
47 | }; |
48 | ||
49 | /* Remember pending_stack_adjust/stack_pointer_delta. | |
50 | To be used around code that may call do_pending_stack_adjust (), | |
51 | but the generated code could be discarded e.g. using delete_insns_since. */ | |
52 | ||
53 | extern void save_pending_stack_adjust (saved_pending_stack_adjust *); | |
54 | ||
55 | /* Restore the saved pending_stack_adjust/stack_pointer_delta. */ | |
56 | ||
57 | extern void restore_pending_stack_adjust (saved_pending_stack_adjust *); | |
58 | ||
be099f37 EB |
59 | extern bool split_comparison (enum rtx_code, machine_mode, |
60 | enum rtx_code *, enum rtx_code *); | |
36566b39 PK |
61 | |
62 | /* Generate code to evaluate EXP and jump to LABEL if the value is nonzero. */ | |
357067f2 JH |
63 | extern void jumpif (tree exp, rtx_code_label *label, profile_probability prob); |
64 | extern void jumpif_1 (enum tree_code, tree, tree, rtx_code_label *, | |
65 | profile_probability); | |
36566b39 | 66 | |
be099f37 EB |
67 | /* Generate code to evaluate EXP and jump to LABEL if the value is zero. */ |
68 | extern void jumpifnot (tree exp, rtx_code_label *label, | |
69 | profile_probability prob); | |
70 | extern void jumpifnot_1 (enum tree_code, tree, tree, rtx_code_label *, | |
71 | profile_probability); | |
36566b39 PK |
72 | |
73 | extern void do_compare_rtx_and_jump (rtx, rtx, enum rtx_code, int, | |
1476d1bd | 74 | machine_mode, rtx, rtx_code_label *, |
357067f2 | 75 | rtx_code_label *, profile_probability); |
36566b39 | 76 | |
36566b39 | 77 | #endif /* GCC_DOJUMP_H */ |