1*38fd1498Szrj /* Export function prototypes from dojump.c. 2*38fd1498Szrj Copyright (C) 2015-2018 Free Software Foundation, Inc. 3*38fd1498Szrj 4*38fd1498Szrj This file is part of GCC. 5*38fd1498Szrj 6*38fd1498Szrj GCC is free software; you can redistribute it and/or modify it under 7*38fd1498Szrj the terms of the GNU General Public License as published by the Free 8*38fd1498Szrj Software Foundation; either version 3, or (at your option) any later 9*38fd1498Szrj version. 10*38fd1498Szrj 11*38fd1498Szrj GCC is distributed in the hope that it will be useful, but WITHOUT ANY 12*38fd1498Szrj WARRANTY; without even the implied warranty of MERCHANTABILITY or 13*38fd1498Szrj FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14*38fd1498Szrj for more details. 15*38fd1498Szrj 16*38fd1498Szrj You should have received a copy of the GNU General Public License 17*38fd1498Szrj along with GCC; see the file COPYING3. If not see 18*38fd1498Szrj <http://www.gnu.org/licenses/>. */ 19*38fd1498Szrj 20*38fd1498Szrj #ifndef GCC_DOJUMP_H 21*38fd1498Szrj #define GCC_DOJUMP_H 22*38fd1498Szrj 23*38fd1498Szrj /* At the start of a function, record that we have no previously-pushed 24*38fd1498Szrj arguments waiting to be popped. */ 25*38fd1498Szrj extern void init_pending_stack_adjust (void); 26*38fd1498Szrj 27*38fd1498Szrj /* Discard any pending stack adjustment. */ 28*38fd1498Szrj extern void discard_pending_stack_adjust (void); 29*38fd1498Szrj 30*38fd1498Szrj /* When exiting from function, if safe, clear out any pending stack adjust 31*38fd1498Szrj so the adjustment won't get done. */ 32*38fd1498Szrj extern void clear_pending_stack_adjust (void); 33*38fd1498Szrj 34*38fd1498Szrj /* Pop any previously-pushed arguments that have not been popped yet. */ 35*38fd1498Szrj extern void do_pending_stack_adjust (void); 36*38fd1498Szrj 37*38fd1498Szrj /* Struct for saving/restoring of pending_stack_adjust/stack_pointer_delta 38*38fd1498Szrj values. */ 39*38fd1498Szrj 40*38fd1498Szrj struct saved_pending_stack_adjust 41*38fd1498Szrj { 42*38fd1498Szrj /* Saved value of pending_stack_adjust. */ 43*38fd1498Szrj poly_int64 x_pending_stack_adjust; 44*38fd1498Szrj 45*38fd1498Szrj /* Saved value of stack_pointer_delta. */ 46*38fd1498Szrj poly_int64 x_stack_pointer_delta; 47*38fd1498Szrj }; 48*38fd1498Szrj 49*38fd1498Szrj /* Remember pending_stack_adjust/stack_pointer_delta. 50*38fd1498Szrj To be used around code that may call do_pending_stack_adjust (), 51*38fd1498Szrj but the generated code could be discarded e.g. using delete_insns_since. */ 52*38fd1498Szrj 53*38fd1498Szrj extern void save_pending_stack_adjust (saved_pending_stack_adjust *); 54*38fd1498Szrj 55*38fd1498Szrj /* Restore the saved pending_stack_adjust/stack_pointer_delta. */ 56*38fd1498Szrj 57*38fd1498Szrj extern void restore_pending_stack_adjust (saved_pending_stack_adjust *); 58*38fd1498Szrj 59*38fd1498Szrj /* Generate code to evaluate EXP and jump to LABEL if the value is zero. */ 60*38fd1498Szrj extern void jumpifnot (tree exp, rtx_code_label *label, 61*38fd1498Szrj profile_probability prob); 62*38fd1498Szrj extern void jumpifnot_1 (enum tree_code, tree, tree, rtx_code_label *, 63*38fd1498Szrj profile_probability); 64*38fd1498Szrj 65*38fd1498Szrj /* Generate code to evaluate EXP and jump to LABEL if the value is nonzero. */ 66*38fd1498Szrj extern void jumpif (tree exp, rtx_code_label *label, profile_probability prob); 67*38fd1498Szrj extern void jumpif_1 (enum tree_code, tree, tree, rtx_code_label *, 68*38fd1498Szrj profile_probability); 69*38fd1498Szrj 70*38fd1498Szrj /* Generate code to evaluate EXP and jump to IF_FALSE_LABEL if 71*38fd1498Szrj the result is zero, or IF_TRUE_LABEL if the result is one. */ 72*38fd1498Szrj extern void do_jump (tree exp, rtx_code_label *if_false_label, 73*38fd1498Szrj rtx_code_label *if_true_label, profile_probability prob); 74*38fd1498Szrj extern void do_jump_1 (enum tree_code, tree, tree, rtx_code_label *, 75*38fd1498Szrj rtx_code_label *, profile_probability); 76*38fd1498Szrj 77*38fd1498Szrj extern void do_compare_rtx_and_jump (rtx, rtx, enum rtx_code, int, 78*38fd1498Szrj machine_mode, rtx, rtx_code_label *, 79*38fd1498Szrj rtx_code_label *, profile_probability); 80*38fd1498Szrj 81*38fd1498Szrj extern bool split_comparison (enum rtx_code, machine_mode, 82*38fd1498Szrj enum rtx_code *, enum rtx_code *); 83*38fd1498Szrj 84*38fd1498Szrj #endif /* GCC_DOJUMP_H */ 85