* alias.c (record_set, memory_modified_1): Constify.

	* bt-load.c (note_btr_set): Likewise.
	* caller-save.c (mark_set_regs, add_stored_regs): Likewise.
	* combine.c (set_nonzero_bits_and_sign_copies,
	expand_field_assignment, record_dead_and_set_regs_1,
	use_crosses_set_p, reg_dead_at_p_1, can_combine_p,
	likely_spilled_retval_1): Likewise.
	* config/frv/frv.c (frv_registers_update_1, frv_io_check_address,
	frv_io_handle_set): Likewise.
	* config/mips/mips.c (mips_sim_record_set,
	vr4130_true_reg_dependence_p_1): Likewise.
	* config/mt/mt.c (insn_dependent_p_1): Likewise.
	* config/s390/s390.c (s390_reg_clobbered_rtx): Likewise.
	* config/sh/sh.c (flow_dependent_p_1): Likewise.
	* cselib.c (cselib_invalidate_rtx_note_stores): Likewise.
	* dce.c (mark_nonreg_stores_1, mark_nonreg_stores_2): Likewise.
	* ddg.c (mark_mem_store): Likewise.
	* df-problems.c (df_urec_mark_reg_change): Likewise.
	* function.c (update_epilogue_consts): Likewise.
	* gcse.c (record_set_info, record_last_set_info,
	mems_conflict_for_gcse_p, canon_list_insert, reg_set_info,
	reg_clear_last_set): Likewise.
	* global.c (mark_reg_store, mark_reg_clobber, reg_becomes_live):
	Likewise.
	* jump.c (reversed_comparison_code_parts): Likewise.
	* local-alloc.c (validate_equiv_mem_from_store, no_equiv,
	reg_is_set): Likewise.
	* loop-iv.c (mark_altered): Likewise.
	* mode-switching.c (reg_becomes_live): Likewise.
	* optabs.c (no_conflict_move_test): Likewise.
	* postreload-gcse.c (record_last_set_info, find_mem_conflicts):
	Likewise.
	* postreload.c (reload_combine_note_store, move2add_note_store):
	Likewise.
	* regmove.c (flags_set_1): Likewise.
	* regrename.c (note_sets, kill_clobbered_value, kill_set_value):
	Likewise.
	* reload1.c (mark_not_eliminable, forget_old_reloads_1):
	Likewise. 
	* resource.c (update_live_status): Likewise.
	* rtl.h (set_of, note_stores): Likewise.
	* rtlanal.c (set_of_1, parms_set, struct set_of_data, set_of,
	note_stores, parms_set): Likewise.
	* sched-rgn.c (sets_likely_spilled_1): Likewise.
	* stack-ptr-mod.c (notice_stack_pointer_modification_1):
	Likewise. 
	* var-tracking.c (count_stores, add_stores): Likewise.



git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@127065 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 13 insertions, 13 deletions

diff --git a/gcc/rtlanal.c b/gcc/rtlanal.c
index e4f51873fa1..e7b6b916e3b 100644
--- a/gcc/rtlanal.c
+++ b/gcc/rtlanal.c
@@ -52,12 +52,12 @@ struct subreg_info
 };
 
 /* Forward declarations */
-static void set_of_1 (rtx, rtx, void *);
+static void set_of_1 (rtx, const_rtx, void *);
 static bool covers_regno_p (const_rtx, unsigned int);
 static bool covers_regno_no_parallel_p (const_rtx, unsigned int);
 static int rtx_referenced_p_1 (rtx *, void *);
 static int computed_jump_p_1 (const_rtx);
-static void parms_set (rtx, rtx, void *);
+static void parms_set (rtx, const_rtx, void *);
 static void subreg_get_info (unsigned int, enum machine_mode,
 			     unsigned int, enum machine_mode,
 			     struct subreg_info *);
@@ -957,23 +957,23 @@ modified_in_p (rtx x, rtx insn)
 /* Helper function for set_of.  */
 struct set_of_data
   {
-    rtx found;
-    rtx pat;
+    const_rtx found;
+    const_rtx pat;
   };
 
 static void
-set_of_1 (rtx x, rtx pat, void *data1)
+set_of_1 (rtx x, const_rtx pat, void *data1)
 {
-   struct set_of_data *data = (struct set_of_data *) (data1);
-   if (rtx_equal_p (x, data->pat)
-       || (!MEM_P (x) && reg_overlap_mentioned_p (data->pat, x)))
-     data->found = pat;
+  struct set_of_data *const data = (struct set_of_data *) (data1);
+  if (rtx_equal_p (x, data->pat)
+      || (!MEM_P (x) && reg_overlap_mentioned_p (data->pat, x)))
+    data->found = pat;
 }
 
 /* Give an INSN, return a SET or CLOBBER expression that does modify PAT
    (either directly or via STRICT_LOW_PART and similar modifiers).  */
-rtx
-set_of (rtx pat, rtx insn)
+const_rtx
+set_of (const_rtx pat, const_rtx insn)
 {
   struct set_of_data data;
   data.found = NULL_RTX;
@@ -1407,7 +1407,7 @@ reg_overlap_mentioned_p (const_rtx x, const_rtx in)
   the SUBREG will be passed.  */
 
 void
-note_stores (rtx x, void (*fun) (rtx, rtx, void *), void *data)
+note_stores (const_rtx x, void (*fun) (rtx, const_rtx, void *), void *data)
 {
   int i;
 
@@ -3262,7 +3262,7 @@ struct parms_set_data
 
 /* Helper function for noticing stores to parameter registers.  */
 static void
-parms_set (rtx x, rtx pat ATTRIBUTE_UNUSED, void *data)
+parms_set (rtx x, const_rtx pat ATTRIBUTE_UNUSED, void *data)
 {
   struct parms_set_data *d = data;
   if (REG_P (x) && REGNO (x) < FIRST_PSEUDO_REGISTER