re PR tree-optimization/33855 (Segfault in verify_ssa/execute_function_todo with -O)

        PR tree-optimization/33855

        * tree-ssa-phiopt.c (cond_store_replacement): Handle
        * COMPLEX_TYPE
        and VECTOR_TYPE.

        * gcc.c-torture/compile/pr33855.c: New testcase.

From-SVN: r129551

gcc/ChangeLog

+2007-10-22  Michael Matz  <matz@suse.de>
+
+	PR tree-optimization/33855
+	* tree-ssa-phiopt.c (cond_store_replacement): Handle COMPLEX_TYPE
+	and VECTOR_TYPE.
+
 2007-10-22  Ira Rosen  <irar@il.ibm.com>
 
 	PR tree-optimization/33854

gcc/testsuite/ChangeLog

+2007-10-22  Michael Matz  <matz@suse.de>
+
+	PR tree-optimization/33855
+	* gcc.c-torture/compile/pr33855.c: New testcase.
+
 2007-10-22  Ira Rosen  <irar@il.ibm.com>
 
 	PR tree-optimization/33854

gcc/testsuite/gcc.c-torture/compile/pr33855.c

+/* Testcase by Martin Michlmayr <tbm@cyrius.com> */
+/* Used to segfault due to cselim not marking the complex temp var
+   as GIMPLE reg.  */
+
+typedef struct {
+  int nsant, nvqd;
+  _Complex long double *vqd;
+} vsorc_t;
+vsorc_t vsorc;
+
+void foo(int next_job, int ain_num, int iped, long t) {
+  long double zpnorm;
+
+  while (!next_job)
+    if (ain_num)
+    {
+      if (iped == 1)
+        zpnorm = 0.0;
+      int indx = vsorc.nvqd-1;
+      vsorc.vqd[indx] = t*1.0fj;
+      if (cabsl(vsorc.vqd[indx]) < 1.e-20)
+        vsorc.vqd[indx] = 0.0fj;
+      zpnorm = t;
+      if (zpnorm > 0.0)
+        iped = vsorc.nsant;
+    }
+}

gcc/tree-ssa-phiopt.c

@@ -1287,6 +1287,9 @@ cond_store_replacement (basic_block middle_bb, basic_block join_bb,
     {
       condstoretemp = create_tmp_var (TREE_TYPE (lhs), "cstore");
       get_var_ann (condstoretemp);
+      if (TREE_CODE (TREE_TYPE (lhs)) == COMPLEX_TYPE
+          || TREE_CODE (TREE_TYPE (lhs)) == VECTOR_TYPE)
+	DECL_GIMPLE_REG_P (condstoretemp) = 1;
     }
   add_referenced_var (condstoretemp);