[gcc] GCC 4.5.0=>4.5.1

gcc/gcc/genemit.c

Index: gcc/gcc/genemit.c
diff --git a/gcc/gcc/genemit.c b/gcc/gcc/genemit.c
index d7cbd10b38e7e4289a754db6b9c5ba8104e94a23..7ac3c917067fefb8895f24142ff44847604880fb 100644
--- a/gcc/gcc/genemit.c
+++ b/gcc/gcc/genemit.c
@@ -1,6 +1,6 @@
 /* Generate code from machine description to emit insns as rtl.
    Copyright (C) 1987, 1988, 1991, 1994, 1995, 1997, 1998, 1999, 2000, 2001,
-   2003, 2004, 2005, 2007, 2008 Free Software Foundation, Inc.
+   2003, 2004, 2005, 2007, 2008, 2009 Free Software Foundation, Inc.
 
 This file is part of GCC.
 
@@ -782,9 +782,7 @@ output_peephole2_scratches (rtx split)
 {
   int i;
   int insn_nr = 0;
-
-  printf ("  HARD_REG_SET _regs_allocated;\n");
-  printf ("  CLEAR_HARD_REG_SET (_regs_allocated);\n");
+  bool first = true;
 
   for (i = 0; i < XVECLEN (split, 0); i++)
     {
@@ -803,6 +801,13 @@ output_peephole2_scratches (rtx split)
 	    else if (GET_CODE (XVECEXP (split, 0, j)) != MATCH_SCRATCH)
 	      cur_insn_nr++;
 
+	  if (first)
+	    {
+	      printf ("  HARD_REG_SET _regs_allocated;\n");
+	      printf ("  CLEAR_HARD_REG_SET (_regs_allocated);\n");
+	      first = false;
+	    }
+
 	  printf ("  if ((operands[%d] = peep2_find_free_register (%d, %d, \"%s\", %smode, &_regs_allocated)) == NULL_RTX)\n\
     return NULL;\n",
 		  XINT (elt, 0),