emit-rtl.c (init_emit_once): Initialize const_tiny_rtx[3] for partial integer modes.

	* emit-rtl.c (init_emit_once): Initialize const_tiny_rtx[3] for
	partial integer modes.

From-SVN: r182477

gcc/ChangeLog

+2011-12-19  Bernd Schmidt  <bernds@codesourcery.com>
+
+	* emit-rtl.c (init_emit_once): Initialize const_tiny_rtx[3] for
+	partial integer modes.
+
 2011-12-19  Andreas Schwab  <schwab@linux-m68k.org>
 
 	PR target/51532

gcc/emit-rtl.c

@@ -5717,6 +5717,11 @@ init_emit_once (void)
        mode = GET_MODE_WIDER_MODE (mode))
     const_tiny_rtx[3][(int) mode] = constm1_rtx;
 
+  for (mode = GET_CLASS_NARROWEST_MODE (MODE_PARTIAL_INT);
+       mode != VOIDmode;
+       mode = GET_MODE_WIDER_MODE (mode))
+    const_tiny_rtx[3][(int) mode] = constm1_rtx;
+      
   for (mode = GET_CLASS_NARROWEST_MODE (MODE_COMPLEX_INT);
        mode != VOIDmode;
        mode = GET_MODE_WIDER_MODE (mode))