Split NEXT_INSN/PREV_INSN into lvalue and rvalue forms

/
2014-08-19  David Malcolm  <dmalcolm@redhat.com>

	* rtx-classes-status.txt: Add SET_NEXT_INSN, SET_PREV_INSN.

gcc/
2014-08-19  David Malcolm  <dmalcolm@redhat.com>

	* rtl.h (PREV_INSN): Split macro in two: the existing one,
	for rvalues, and...
	(SET_PREV_INSN): New macro, for use as an lvalue.
	(NEXT_INSN, SET_NEXT_INSN): Likewise.

	* caller-save.c (save_call_clobbered_regs): Convert lvalue use of
	PREV_INSN/NEXT_INSN into SET_PREV_INSN/SET_NEXT_INSN.
	* cfgrtl.c (try_redirect_by_replacing_jump): Likewise.
	(fixup_abnormal_edges): Likewise.
	(unlink_insn_chain): Likewise.
	(fixup_reorder_chain): Likewise.
	(cfg_layout_delete_block): Likewise.
	(cfg_layout_merge_blocks): Likewise.
	* combine.c (update_cfg_for_uncondjump): Likewise.
	* emit-rtl.c (link_insn_into_chain): Likewise.
	(remove_insn): Likewise.
	(delete_insns_since): Likewise.
	(reorder_insns_nobb): Likewise.
	(emit_insn_after_1): Likewise.
	* final.c (rest_of_clean_state): Likewise.
	(final_scan_insn): Likewise.
	* gcse.c (can_assign_to_reg_without_clobbers_p): Likewise.
	* haifa-sched.c (concat_note_lists): Likewise.
	(remove_notes): Likewise.
	(restore_other_notes): Likewise.
	(move_insn): Likewise.
	(unlink_bb_notes): Likewise.
	(restore_bb_notes): Likewise.
	* jump.c (delete_for_peephole): Likewise.
	* optabs.c (emit_libcall_block_1): Likewise.
	* reorg.c (emit_delay_sequence): Likewise.
	(fill_simple_delay_slots): Likewise.
	* sel-sched-ir.c (sel_move_insn): Likewise.
	(sel_remove_insn): Likewise.
	(get_bb_note_from_pool): Likewise.
	* sel-sched.c (move_nop_to_previous_block): Likewise.

	* config/bfin/bfin.c (reorder_var_tracking_notes): Likewise.
	* config/c6x/c6x.c (gen_one_bundle): Likewise.
	(c6x_gen_bundles): Likewise.
	(hwloop_optimize): Likewise.
	* config/frv/frv.c (frv_function_prologue): Likewise.
	(frv_register_nop): Likewise.
	* config/ia64/ia64.c (ia64_init_dfa_pre_cycle_insn): Likewise.
	(ia64_reorg): Likewise.
	* config/mep/mep.c (mep_reorg_addcombine): Likewise.
	(mep_make_bundle): Likewise.
	(mep_bundle_insns): Likewise.
	* config/picochip/picochip.c (reorder_var_tracking_notes): Likewise.
	* config/tilegx/tilegx.c (reorder_var_tracking_notes): Likewise.
	* config/tilepro/tilepro.c (reorder_var_tracking_notes): Likewise.

From-SVN: r214128

1 files changed, 21 insertions, 21 deletions

diff --git a/gcc/config/c6x/c6x.c b/gcc/config/c6x/c6x.c
index 90241ea..889031a 100644
--- a/gcc/config/c6x/c6x.c
+++ b/gcc/config/c6x/c6x.c
@@ -4599,7 +4599,7 @@ gen_one_bundle (rtx *slot, int n_filled, int real_first)
   bundle = make_insn_raw (bundle);
   BLOCK_FOR_INSN (bundle) = BLOCK_FOR_INSN (slot[0]);
   INSN_LOCATION (bundle) = INSN_LOCATION (slot[0]);
-  PREV_INSN (bundle) = PREV_INSN (slot[real_first]);
+  SET_PREV_INSN (bundle) = SET_PREV_INSN (slot[real_first]);
 
   t = NULL_RTX;
 
@@ -4607,18 +4607,18 @@ gen_one_bundle (rtx *slot, int n_filled, int real_first)
     {
       rtx insn = slot[i];
       remove_insn (insn);
-      PREV_INSN (insn) = t ? t : PREV_INSN (bundle);
+      SET_PREV_INSN (insn) = t ? t : PREV_INSN (bundle);
       if (t != NULL_RTX)
-	NEXT_INSN (t) = insn;
+	SET_NEXT_INSN (t) = insn;
       t = insn;
       if (i > 0)
 	INSN_LOCATION (slot[i]) = INSN_LOCATION (bundle);
     }
 
-  NEXT_INSN (bundle) = NEXT_INSN (PREV_INSN (bundle));
-  NEXT_INSN (t) = NEXT_INSN (bundle);
-  NEXT_INSN (PREV_INSN (bundle)) = bundle;
-  PREV_INSN (NEXT_INSN (bundle)) = bundle;
+  SET_NEXT_INSN (bundle) = NEXT_INSN (PREV_INSN (bundle));
+  SET_NEXT_INSN (t) = NEXT_INSN (bundle);
+  SET_NEXT_INSN (PREV_INSN (bundle)) = bundle;
+  SET_PREV_INSN (NEXT_INSN (bundle)) = bundle;
 }
 
 /* Move all parallel instructions into SEQUENCEs, so that no subsequent passes
@@ -4710,12 +4710,12 @@ c6x_gen_bundles (void)
 	continue;
       if (NEXT_INSN (last_call) == insn)
 	continue;
-      NEXT_INSN (PREV_INSN (insn)) = NEXT_INSN (insn);
-      PREV_INSN (NEXT_INSN (insn)) = PREV_INSN (insn);
-      PREV_INSN (insn) = last_call;
-      NEXT_INSN (insn) = NEXT_INSN (last_call);
-      PREV_INSN (NEXT_INSN (insn)) = insn;
-      NEXT_INSN (PREV_INSN (insn)) = insn;
+      SET_NEXT_INSN (PREV_INSN (insn)) = NEXT_INSN (insn);
+      SET_PREV_INSN (NEXT_INSN (insn)) = PREV_INSN (insn);
+      SET_PREV_INSN (insn) = last_call;
+      SET_NEXT_INSN (insn) = NEXT_INSN (last_call);
+      SET_PREV_INSN (NEXT_INSN (insn)) = insn;
+      SET_NEXT_INSN (PREV_INSN (insn)) = insn;
       last_call = insn;
     }
 }
@@ -5698,8 +5698,8 @@ hwloop_optimize (hwloop_info loop)
      reservations of the instructions contained in it to the corresponding
      instructions from iteration 0, which are the only ones we'll keep.  */
   assign_reservations (BB_HEAD (bb), ss.last_scheduled_insn);
-  PREV_INSN (BB_END (bb)) = ss.last_scheduled_iter0;
-  NEXT_INSN (ss.last_scheduled_iter0) = BB_END (bb);
+  SET_PREV_INSN (BB_END (bb)) = ss.last_scheduled_iter0;
+  SET_NEXT_INSN (ss.last_scheduled_iter0) = BB_END (bb);
   filter_insns_above (bb, sploop_max_uid_iter0);
 
   for (i = 0; i < n_real_insns; i++)
@@ -5821,13 +5821,13 @@ hwloop_optimize (hwloop_info loop)
 
   for (i = 1; i < n_insns; i++)
     {
-      NEXT_INSN (orig_vec[i - 1]) = orig_vec[i];
-      PREV_INSN (orig_vec[i]) = orig_vec[i - 1];
+      SET_NEXT_INSN (orig_vec[i - 1]) = orig_vec[i];
+      SET_PREV_INSN (orig_vec[i]) = orig_vec[i - 1];
     }
-  PREV_INSN (orig_vec[0]) = PREV_INSN (BB_HEAD (bb));
-  NEXT_INSN (PREV_INSN (BB_HEAD (bb))) = orig_vec[0];
-  NEXT_INSN (orig_vec[n_insns - 1]) = NEXT_INSN (BB_END (bb));
-  PREV_INSN (NEXT_INSN (BB_END (bb))) = orig_vec[n_insns - 1];
+  SET_PREV_INSN (orig_vec[0]) = PREV_INSN (BB_HEAD (bb));
+  SET_NEXT_INSN (PREV_INSN (BB_HEAD (bb))) = orig_vec[0];
+  SET_NEXT_INSN (orig_vec[n_insns - 1]) = NEXT_INSN (BB_END (bb));
+  SET_PREV_INSN (NEXT_INSN (BB_END (bb))) = orig_vec[n_insns - 1];
   SET_BB_HEAD (bb) = orig_vec[0];
   SET_BB_END (bb) = orig_vec[n_insns - 1];
  undo_splits: