re PR target/47975 (ICE: in expand_shift, at expmed.c:2299 when using 256b vectors without -mavx)

2011-03-04  Richard Guenther  <rguenther@suse.de>

	PR middle-end/47975
	* optabs.c (optab_for_tree_code): Do not use VECTOR_MODE_P.

	* gcc.dg/torture/pr47975.c: New testcase.

From-SVN: r170672

gcc/ChangeLog

+2011-03-04  Richard Guenther  <rguenther@suse.de>
+
+	PR middle-end/47975
+	* optabs.c (optab_for_tree_code): Do not use VECTOR_MODE_P.
+
 2011-03-04  Richard Henderson  <rth@redhat.com>
 
 	* explow.c (emit_stack_save): Remove 'after' parameter.

gcc/optabs.c

@@ -303,7 +303,7 @@ optab_for_tree_code (enum tree_code code, const_tree type,
       return TYPE_UNSIGNED (type) ? udiv_optab : sdiv_optab;
 
     case LSHIFT_EXPR:
-      if (VECTOR_MODE_P (TYPE_MODE (type)))
+      if (TREE_CODE (type) == VECTOR_TYPE)
 	{
 	  if (subtype == optab_vector)
 	    return TYPE_SATURATING (type) ? NULL : vashl_optab;
@@ -315,7 +315,7 @@ optab_for_tree_code (enum tree_code code, const_tree type,
       return ashl_optab;
 
     case RSHIFT_EXPR:
-      if (VECTOR_MODE_P (TYPE_MODE (type)))
+      if (TREE_CODE (type) == VECTOR_TYPE)
 	{
 	  if (subtype == optab_vector)
 	    return TYPE_UNSIGNED (type) ? vlshr_optab : vashr_optab;
@@ -325,7 +325,7 @@ optab_for_tree_code (enum tree_code code, const_tree type,
       return TYPE_UNSIGNED (type) ? lshr_optab : ashr_optab;
 
     case LROTATE_EXPR:
-      if (VECTOR_MODE_P (TYPE_MODE (type)))
+      if (TREE_CODE (type) == VECTOR_TYPE)
 	{
 	  if (subtype == optab_vector)
 	    return vrotl_optab;
@@ -335,7 +335,7 @@ optab_for_tree_code (enum tree_code code, const_tree type,
       return rotl_optab;
 
     case RROTATE_EXPR:
-      if (VECTOR_MODE_P (TYPE_MODE (type)))
+      if (TREE_CODE (type) == VECTOR_TYPE)
 	{
 	  if (subtype == optab_vector)
 	    return vrotr_optab;

gcc/testsuite/ChangeLog

+2011-03-04  Richard Guenther  <rguenther@suse.de>
+
+	PR middle-end/47975
+	* gcc.dg/torture/pr47975.c: New testcase.
+
 2011-03-03  Paolo Carlini  <paolo.carlini@oracle.com>
 
 	PR c++/47974

gcc/testsuite/gcc.dg/torture/pr47975.c

+/* { dg-do compile } */
+
+int __attribute__ ((vector_size (32))) x;
+
+void
+foo (void)
+{
+  x <<= x;
+}