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.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@214128 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 8 insertions, 8 deletions

diff --git a/gcc/sel-sched-ir.c b/gcc/sel-sched-ir.c
index 8411d6f66cc..06245206728 100644
--- a/gcc/sel-sched-ir.c
+++ b/gcc/sel-sched-ir.c
@@ -1423,11 +1423,11 @@ sel_move_insn (expr_t expr, int seqno, insn_t after)
 
   /* Assert that in move_op we disconnected this insn properly.  */
   gcc_assert (EXPR_VINSN (INSN_EXPR (insn)) != NULL);
-  PREV_INSN (insn) = after;
-  NEXT_INSN (insn) = next;
+  SET_PREV_INSN (insn) = after;
+  SET_NEXT_INSN (insn) = next;
 
-  NEXT_INSN (after) = insn;
-  PREV_INSN (next) = insn;
+  SET_NEXT_INSN (after) = insn;
+  SET_PREV_INSN (next) = insn;
 
   /* Update links from insn to bb and vice versa.  */
   df_insn_change_bb (insn, bb);
@@ -3942,8 +3942,8 @@ sel_remove_insn (insn_t insn, bool only_disconnect, bool full_tidying)
   /* It is necessary to NULL these fields in case we are going to re-insert
      INSN into the insns stream, as will usually happen in the ONLY_DISCONNECT
      case, but also for NOPs that we will return to the nop pool.  */
-  PREV_INSN (insn) = NULL_RTX;
-  NEXT_INSN (insn) = NULL_RTX;
+  SET_PREV_INSN (insn) = NULL_RTX;
+  SET_NEXT_INSN (insn) = NULL_RTX;
   set_block_for_insn (insn, NULL);
 
   return tidy_control_flow (bb, full_tidying);
@@ -4985,8 +4985,8 @@ get_bb_note_from_pool (void)
     {
       rtx note = bb_note_pool.pop ();
 
-      PREV_INSN (note) = NULL_RTX;
-      NEXT_INSN (note) = NULL_RTX;
+      SET_PREV_INSN (note) = NULL_RTX;
+      SET_NEXT_INSN (note) = NULL_RTX;
 
       return note;
     }