m68k.c (strict_low_part_peephole_ok): Don't leave the basic block.

	* config/m68k/m68k.c (strict_low_part_peephole_ok): Don't leave
	the basic block.
	* config/m68k/m68k.md (movsi_m68k): Allow certain constant when
	reload is completed.
	(peephole pattern): Convert most of them to RTL peephole pattern.

From-SVN: r128728

gcc/ChangeLog

 2007-09-24  Roman Zippel <zippel@linux-m68k.org> 
+ 
+	* config/m68k/m68k.c (strict_low_part_peephole_ok): Don't leave
+	the basic block.
+	* config/m68k/m68k.md (movsi_m68k): Allow certain constant when
+	reload is completed.
+	(peephole pattern): Convert most of them to RTL peephole pattern.
+
+2007-09-24  Roman Zippel <zippel@linux-m68k.org> 
 
 	* config/m68k/m68k.c (notice_update_cc): Recognize fp compare
 	(moved from fp compare patterns).

gcc/config/m68k/m68k.c

@@ -3963,14 +3963,18 @@ bool
 strict_low_part_peephole_ok (enum machine_mode mode, rtx first_insn,
                              rtx target)
 {
-  rtx p;
+  rtx p = first_insn;
 
-  p = prev_nonnote_insn (first_insn);
-
-  while (p)
+  while ((p = PREV_INSN (p)))
     {
+      if (NOTE_INSN_BASIC_BLOCK_P (p))
+	return false;
+
+      if (NOTE_P (p))
+	continue;
+
       /* If it isn't an insn, then give up.  */
-      if (GET_CODE (p) != INSN)
+      if (!INSN_P (p))
 	return false;
 
       if (reg_set_p (target, p))
@@ -4000,8 +4004,6 @@ strict_low_part_peephole_ok (enum machine_mode mode, rtx first_insn,
 	  else
 	    return false;
 	}
-
-      p = prev_nonnote_insn (p);
     }
 
   return false;