re PR tree-optimization/32224 (ICE in vect_analyze_operations, at tree-vect-analyze.c:374)

        PR tree-optimization/32224
        * tree-vect-analyze.c (vect_determine_vectorization_factor): Fail
        vectorization upon a non GIMPLE_MODIFY_STMT.

From-SVN: r125566

gcc/ChangeLog

+2007-06-08  Dorit Nuzman  <dorit@il.ibm.com>
+
+	PR tree-optimization/32224
+	* tree-vect-analyze.c (vect_determine_vectorization_factor): Fail
+	vectorization upon a non GIMPLE_MODIFY_STMT.
+
 2007-06-08  Christian Bruel  <christian.bruel@st.com>
 
 	PR target/29953

gcc/testsuite/ChangeLog

+2007-06-08  Dorit Nuzman  <dorit@il.ibm.com>
+
+	PR tree-optimization/32224
+	* gcc.dg/vect/pr32224.c: New test.
+
 2007-06-08  Jakub Jelinek  <jakub@redhat.com>
 
 	PR c++/32177

gcc/testsuite/gcc.dg/vect/pr32224.c

+/* { dg-do compile } */
+typedef unsigned long int *mp_ptr;
+typedef const unsigned long int *mp_srcptr;
+gmpz_export (void *data)
+{
+  mp_srcptr zp;
+  int count, i;
+  mp_ptr __dst = ((mp_ptr) data);
+  mp_srcptr __src = (zp);
+
+  for (i = 0; i < count; i++)
+  {
+    __asm__ ("bswap %q0": "=r" (*__dst):"0" (*(__src)));
+    __src++;
+  }
+}
+/* { dg-final { cleanup-tree-dump "vect" } } */

gcc/tree-vect-analyze.c

@@ -173,9 +173,6 @@ vect_determine_vectorization_factor (loop_vec_info loop_vinfo)
 	      print_generic_expr (vect_dump, stmt, TDF_SLIM);
 	    }
 
-	  if (TREE_CODE (stmt) != GIMPLE_MODIFY_STMT)
-	    continue;
-
 	  gcc_assert (stmt_info);
 
 	  /* skip stmts which do not need to be vectorized.  */
@@ -187,6 +184,16 @@ vect_determine_vectorization_factor (loop_vec_info loop_vinfo)
 	      continue;
 	    }
 
+	  if (TREE_CODE (stmt) != GIMPLE_MODIFY_STMT)
+	    {
+	      if (vect_print_dump_info (REPORT_UNVECTORIZED_LOOPS))
+		{
+	          fprintf (vect_dump, "not vectorized: irregular stmt.");
+		  print_generic_expr (vect_dump, stmt, TDF_SLIM);
+		}
+	      return false;
+	    }
+
 	  if (!GIMPLE_STMT_P (stmt)
 	      && VECTOR_MODE_P (TYPE_MODE (TREE_TYPE (stmt))))
 	    {