cse: Change return type of predicate functions from int to bool

[thirdparty/gcc.git] / gcc / rtl.h

diff --git a/gcc/rtl.h b/gcc/rtl.h
index 4041207efd942f5237bcaf09137404b767698435..caef74a75b2c0e99c4079019cb78451bcc6c32c5 100644 (file)
--- a/gcc/rtl.h
+++ b/gcc/rtl.h
@@ -3162,7 +3162,7 @@ extern rtx operand_subword (rtx, poly_uint64, int, machine_mode);
 
 /* In emit-rtl.cc */
 extern rtx operand_subword_force (rtx, poly_uint64, machine_mode);
-extern int subreg_lowpart_p (const_rtx);
+extern bool subreg_lowpart_p (const_rtx);
 extern poly_uint64 subreg_size_lowpart_offset (poly_uint64, poly_uint64);
 
 /* Return true if a subreg of mode OUTERMODE would only access part of
@@ -3371,7 +3371,7 @@ extern rtx_insn *prev_real_nondebug_insn (rtx_insn *);
 extern rtx_insn *next_real_nondebug_insn (rtx);
 extern rtx_insn *prev_active_insn (rtx_insn *);
 extern rtx_insn *next_active_insn (rtx_insn *);
-extern int active_insn_p (const rtx_insn *);
+extern bool active_insn_p (const rtx_insn *);
 
 /* In emit-rtl.cc  */
 extern int insn_line (const rtx_insn *);
@@ -4141,32 +4141,32 @@ extern int rtx_to_tree_code (enum rtx_code);
 
 /* In cse.cc */
 extern int delete_trivially_dead_insns (rtx_insn *, int);
-extern int exp_equiv_p (const_rtx, const_rtx, int, bool);
+extern bool exp_equiv_p (const_rtx, const_rtx, int, bool);
 extern unsigned hash_rtx (const_rtx x, machine_mode, int *, int *, bool);
 
 /* In dse.cc */
 extern bool check_for_inc_dec (rtx_insn *insn);
 
 /* In jump.cc */
-extern int comparison_dominates_p (enum rtx_code, enum rtx_code);
+extern bool comparison_dominates_p (enum rtx_code, enum rtx_code);
 extern bool jump_to_label_p (const rtx_insn *);
-extern int condjump_p (const rtx_insn *);
-extern int any_condjump_p (const rtx_insn *);
-extern int any_uncondjump_p (const rtx_insn *);
+extern bool condjump_p (const rtx_insn *);
+extern bool any_condjump_p (const rtx_insn *);
+extern bool any_uncondjump_p (const rtx_insn *);
 extern rtx pc_set (const rtx_insn *);
 extern rtx condjump_label (const rtx_insn *);
-extern int simplejump_p (const rtx_insn *);
-extern int returnjump_p (const rtx_insn *);
-extern int eh_returnjump_p (rtx_insn *);
-extern int onlyjump_p (const rtx_insn *);
-extern int invert_jump_1 (rtx_jump_insn *, rtx);
-extern int invert_jump (rtx_jump_insn *, rtx, int);
-extern int rtx_renumbered_equal_p (const_rtx, const_rtx);
+extern bool simplejump_p (const rtx_insn *);
+extern bool returnjump_p (const rtx_insn *);
+extern bool eh_returnjump_p (rtx_insn *);
+extern bool onlyjump_p (const rtx_insn *);
+extern bool invert_jump_1 (rtx_jump_insn *, rtx);
+extern bool invert_jump (rtx_jump_insn *, rtx, int);
+extern bool rtx_renumbered_equal_p (const_rtx, const_rtx);
 extern int true_regnum (const_rtx);
 extern unsigned int reg_or_subregno (const_rtx);
-extern int redirect_jump_1 (rtx_insn *, rtx);
+extern bool redirect_jump_1 (rtx_insn *, rtx);
 extern void redirect_jump_2 (rtx_jump_insn *, rtx, rtx, int, int);
-extern int redirect_jump (rtx_jump_insn *, rtx, int);
+extern bool redirect_jump (rtx_jump_insn *, rtx, int);
 extern void rebuild_jump_labels (rtx_insn *);
 extern void rebuild_jump_labels_chain (rtx_insn *);
 extern rtx reversed_comparison (const_rtx, machine_mode);
@@ -4174,7 +4174,7 @@ extern enum rtx_code reversed_comparison_code (const_rtx, const rtx_insn *);
 extern enum rtx_code reversed_comparison_code_parts (enum rtx_code, const_rtx,
                                                     const_rtx, const rtx_insn *);
 extern void delete_for_peephole (rtx_insn *, rtx_insn *);
-extern int condjump_in_parallel_p (const rtx_insn *);
+extern bool condjump_in_parallel_p (const rtx_insn *);
 
 /* In emit-rtl.cc.  */
 extern int max_reg_num (void);
@@ -4189,7 +4189,7 @@ extern void set_used_flags (rtx);
 extern void reorder_insns (rtx_insn *, rtx_insn *, rtx_insn *);
 extern void reorder_insns_nobb (rtx_insn *, rtx_insn *, rtx_insn *);
 extern int get_max_insn_count (void);
-extern int in_sequence_p (void);
+extern bool in_sequence_p (void);
 extern void init_emit (void);
 extern void init_emit_regs (void);
 extern void init_derived_machine_modes (void);
@@ -4197,7 +4197,7 @@ extern void init_emit_once (void);
 extern void push_topmost_sequence (void);
 extern void pop_topmost_sequence (void);
 extern void set_new_first_and_last_insn (rtx_insn *, rtx_insn *);
-extern unsigned int unshare_all_rtl (void);
+extern void unshare_all_rtl (void);
 extern void unshare_all_rtl_again (rtx_insn *);
 extern void unshare_all_rtl_in_chain (rtx_insn *);
 extern void verify_rtl_sharing (void);
@@ -4465,18 +4465,18 @@ extern bool read_rtx (const char *, vec<rtx> *);
 
 /* In alias.cc */
 extern rtx canon_rtx (rtx);
-extern int true_dependence (const_rtx, machine_mode, const_rtx);
 extern rtx get_addr (rtx);
-extern int canon_true_dependence (const_rtx, machine_mode, rtx,
-                                 const_rtx, rtx);
-extern int read_dependence (const_rtx, const_rtx);
-extern int anti_dependence (const_rtx, const_rtx);
-extern int canon_anti_dependence (const_rtx, bool,
-                                 const_rtx, machine_mode, rtx);
-extern int output_dependence (const_rtx, const_rtx);
-extern int canon_output_dependence (const_rtx, bool,
-                                   const_rtx, machine_mode, rtx);
-extern int may_alias_p (const_rtx, const_rtx);
+extern bool read_dependence (const_rtx, const_rtx);
+extern bool true_dependence (const_rtx, machine_mode, const_rtx);
+extern bool canon_true_dependence (const_rtx, machine_mode, rtx,
+                                  const_rtx, rtx);
+extern bool anti_dependence (const_rtx, const_rtx);
+extern bool canon_anti_dependence (const_rtx, bool,
+                                  const_rtx, machine_mode, rtx);
+extern bool output_dependence (const_rtx, const_rtx);
+extern bool canon_output_dependence (const_rtx, bool,
+                                    const_rtx, machine_mode, rtx);
+extern bool may_alias_p (const_rtx, const_rtx);
 extern void init_alias_target (void);
 extern void init_alias_analysis (void);
 extern void end_alias_analysis (void);