gcc/

	* df.h (FOR_EACH_INSN_INFO_MW): New macro.
	* df-problems.c (df_note_bb_compute): Use it.
	* regstat.c (regstat_bb_compute_ri): Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@211680 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 19 insertions, 22 deletions

diff --git a/gcc/regstat.c b/gcc/regstat.c
index 10135b3022c..9dff2680c46 100644
--- a/gcc/regstat.c
+++ b/gcc/regstat.c
@@ -153,7 +153,7 @@ regstat_bb_compute_ri (unsigned int bb_index,
     {
       struct df_insn_info *insn_info = DF_INSN_INFO_GET (insn);
       bitmap_iterator bi;
-      struct df_mw_hardreg **mws_rec;
+      df_mw_hardreg *mw;
       rtx link;
 
       if (!NONDEBUG_INSN_P (insn))
@@ -202,29 +202,26 @@ regstat_bb_compute_ri (unsigned int bb_index,
       /* We only care about real sets for calls.  Clobbers cannot
 	 be depended on.
 	 Only do this if the value is totally dead.  */
-      for (mws_rec = DF_INSN_INFO_MWS (insn_info); *mws_rec; mws_rec++)
-	{
-	  struct df_mw_hardreg *mws = *mws_rec;
-	  if (DF_MWS_REG_DEF_P (mws))
-	    {
-	      bool all_dead = true;
-	      unsigned int r;
-
-	      for (r = mws->start_regno; r <= mws->end_regno; r++)
-		if (bitmap_bit_p (artificial_uses, r)
-		    || bitmap_bit_p (live, r))
-		  {
-		    all_dead = false;
-		    break;
-		  }
-
-	      if (all_dead)
+      FOR_EACH_INSN_INFO_MW (mw, insn_info)
+	if (DF_MWS_REG_DEF_P (mw))
+	  {
+	    bool all_dead = true;
+	    unsigned int r;
+
+	    for (r = mw->start_regno; r <= mw->end_regno; r++)
+	      if (bitmap_bit_p (artificial_uses, r)
+		  || bitmap_bit_p (live, r))
 		{
-		  regno = mws->start_regno;
-		  REG_LIVE_LENGTH (regno)++;
+		  all_dead = false;
+		  break;
 		}
-	    }
-	}
+
+	    if (all_dead)
+	      {
+		regno = mw->start_regno;
+		REG_LIVE_LENGTH (regno)++;
+	      }
+	  }
 
       /* All of the defs except the return value are some sort of
 	 clobber.  This code is for the return.  */