mips.c (mips_option_override): Set mips_dbx_regno entries to IGNORED_DWARF_REGNUM by default.

2012-12-12  Steve Ellcey  <sellcey@mips.com>

	* config/mips/mips.c (mips_option_override): Set
	mips_dbx_regno entries to IGNORED_DWARF_REGNUM by default.

From-SVN: r194453

gcc/ChangeLog

+2012-12-12  Steve Ellcey  <sellcey@mips.com>
+
+	* config/mips/mips.c (mips_option_override): Set
+	mips_dbx_regno entries to IGNORED_DWARF_REGNUM by default.
+
 2012-12-12  Steven Bosscher  <steven@gcc.gnu.org>
 
 	* graph.c: Include sbitmap.h and cfgloop.h.

gcc/config/mips/mips.c

@@ -16742,7 +16742,7 @@ mips_option_override (void)
 
   for (i = 0; i < FIRST_PSEUDO_REGISTER; i++)
     {
-      mips_dbx_regno[i] = INVALID_REGNUM;
+      mips_dbx_regno[i] = IGNORED_DWARF_REGNUM;
       if (GP_REG_P (i) || FP_REG_P (i) || ALL_COP_REG_P (i))
 	mips_dwarf_regno[i] = i;
       else
@@ -16757,9 +16757,6 @@ mips_option_override (void)
   for (i = FP_REG_FIRST; i <= FP_REG_LAST; i++)
     mips_dbx_regno[i] = i + start;
 
-  for (i = ALL_COP_REG_FIRST; i <= ALL_COP_REG_LAST; i++)
-    mips_dbx_regno[i] = IGNORED_DWARF_REGNUM;
-
   /* Accumulator debug registers use big-endian ordering.  */
   mips_dbx_regno[HI_REGNUM] = MD_DBX_FIRST + 0;
   mips_dbx_regno[LO_REGNUM] = MD_DBX_FIRST + 1;