[Bug tree-optimization/27341] [4.2 Regression] ICE in in add_virtual_operand with complex types

["dberlin at dberlin dot org" <gcc-bugzilla at gcc dot gnu dot org>]

------- Comment #12 from dberlin at gcc dot gnu dot org  2006-06-15 15:18 -------
Subject: Bug 27341

Patch I am testing for all the testcases here.
It turns out to be a problem not actually in the 02-20-06 patch.
Index: gcc/tree-complex.c
===================================================================
--- gcc/tree-complex.c  (revision 114136)
+++ gcc/tree-complex.c  (working copy)
@@ -1541,11 +1541,12 @@ struct tree_opt_pass pass_lower_complex 
   0,                                   /* tv_id */
   PROP_ssa,                            /* properties_required */
   0,                                   /* properties_provided */
-  0,                                   /* properties_destroyed */
+  PROP_smt_usage,                       /* properties_destroyed */
   0,                                   /* todo_flags_start */
   TODO_dump_func | TODO_ggc_collect
-    | TODO_update_ssa
-    | TODO_verify_stmts,               /* todo_flags_finish */
+  | TODO_update_smt_usage
+  | TODO_update_ssa
+  | TODO_verify_stmts,                 /* todo_flags_finish */
   0                                    /* letter */
 };

Index: gcc/testsuite/gcc.c-torture/compile/pr27341-1.c
===================================================================
--- gcc/testsuite/gcc.c-torture/compile/pr27341-1.c     (revision 0)
+++ gcc/testsuite/gcc.c-torture/compile/pr27341-1.c     (revision 0)
@@ -0,0 +1,7 @@
+extern double R_NaReal;
+void z_atan2 (double _Complex * r, double _Complex * ccs)
+{
+    if (*ccs == 0)
+        __imag__ *r = R_NaReal;
+}
+
Index: gcc/testsuite/gcc.c-torture/compile/pr27341-2.c
===================================================================
--- gcc/testsuite/gcc.c-torture/compile/pr27341-2.c     (revision 0)
+++ gcc/testsuite/gcc.c-torture/compile/pr27341-2.c     (revision 0)
@@ -0,0 +1,8 @@
+void zgemm_ (const int*, const double*);
+extern void matmul_c8 (_Complex double * dest)
+{
+  const int  ldc = 0;
+  const double zero = 0;
+  zgemm_ ( &zero, &ldc);
+  dest[1] += 1 ;
+}
Index: gcc/tree-cfg.c
===================================================================
--- gcc/tree-cfg.c      (revision 114136)
+++ gcc/tree-cfg.c      (working copy)
@@ -5584,6 +5584,8 @@ gimplify_val (block_stmt_iterator *bsi, 
   TREE_BLOCK (new_stmt) = TREE_BLOCK (orig_stmt);

   bsi_insert_before (bsi, new_stmt, BSI_SAME_STMT);
+  if (in_ssa_p)
+    mark_new_vars_to_rename (new_stmt);

   return t;
 }


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27341