From 65c5f2a63f2dc1a81f717581918c9e09f19044d9 Mon Sep 17 00:00:00 2001
From: Ian Lance Taylor <iant@google.com>
Date: Wed, 2 Jul 2008 18:01:18 +0000
Subject: rtlanal.c (add_reg_note): New function.

	* rtlanal.c (add_reg_note): New function.
	* rtl.h (add_reg_note): Declare.
	* auto-inc-dec.c (attempt_change): Use add_reg_note.
	* bb-reorder.c (add_reg_crossing_jump_notes): Likewise.
	* builtins.c (expand_builtin_longjmp): Likewise.
	(expand_builtin_nonlocal_goto): Likewise.
	* calls.c (emit_call_1, expand_call): Likewise.
	* cfgexpand.c (add_reg_br_prob_note): Likewise.
	* cfglayout.c (fixup_reorder_chain): Likewise.
	* cfgrtl.c (force_nonfallthru_and_redirect): Likewise.
	(commit_one_edge_insertion): Likewise.
	* combine.c (move_deaths, distribute_notes): Likewise.
	* df-problems.c (df_set_note): Likewise.
	* emit-rtl.c (link_cc0_insns, try_split): Likewise.
	(set_unique_reg_note): Likewise.
	(emit_copy_of_insn_after): Likewise.
	* expr.c (expand_expr_real): Likewise.
	* gcse.c (add_label_notes): Likewise.
	* haifa-sched.c (create_check_block_twin): Likewise.
	* jump.c (mark_jump_label_1): Likewise.
	* loop-doloop.c (add_test, doloop_modify): Likewise.
	* loop-unswitch.c (compare_and_jump_seq): Likewise.
	* lower-subreg.c (move_eh_region_note): Likewise.
	* optabs.c (emit_libcall_block): Likewise.
	* predict.c (predict_insn): Likewise.
	(combine_predictions_for_insn): Likewise.
	* recog.c (peephole2_optimize): Likewise.
	* regmove.c (try_auto_increment): Likewise.
	* reg-stack.c (emit_pop_insn, move_for_stack_reg): Likewise.
	* reload.c (find_reloads): Likewise.
	* reload1.c (fixup_eh_region_note): Likewise.
	(reload_as_needed, add_auto_inc_notes, copy_eh_notes): Likewise.
	* reorg.c (delete_prior_computation): Likewise.
	(delete_computation, dbr_schedule): Likewise.
	* config/pa/pa.c (legitimize_pic_address): Likewise.
	* config/sh/sh.c (sh_reorg): Likewise.

From-SVN: r137374
---
 gcc/rtlanal.c | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

(limited to 'gcc/rtlanal.c')

diff --git a/gcc/rtlanal.c b/gcc/rtlanal.c
index dec7daf..d569ff0 100644
--- a/gcc/rtlanal.c
+++ b/gcc/rtlanal.c
@@ -1842,6 +1842,34 @@ find_regno_fusage (const_rtx insn, enum rtx_code code, unsigned int regno)
 }
 
 
+/* Add register note with kind KIND and datum DATUM to INSN.  */
+
+void
+add_reg_note (rtx insn, enum reg_note kind, rtx datum)
+{
+  rtx note;
+
+  switch (kind)
+    {
+    case REG_CC_SETTER:
+    case REG_CC_USER:
+    case REG_LABEL_TARGET:
+    case REG_LABEL_OPERAND:
+      /* These types of register notes use an INSN_LIST rather than an
+	 EXPR_LIST, so that copying is done right and dumps look
+	 better.  */
+      note = alloc_INSN_LIST (datum, REG_NOTES (insn));
+      PUT_REG_NOTE_KIND (note, kind);
+      break;
+
+    default:
+      note = alloc_EXPR_LIST (kind, datum, REG_NOTES (insn));
+      break;
+    }
+
+  REG_NOTES (insn) = note;
+}
+
 /* Remove register note NOTE from the REG_NOTES of INSN.  */
 
 void
-- 
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