re PR middle-end/34233 (ICE: get_callee_fndecl, at tree.c:6592)

2007-11-26  Richard Guenther  <rguenther@suse.de>

	PR middle-end/34233
	* builtins.c (expand_builtin_pow): Use expand_expr to expand
	the result of build_call_expr.

	* gcc.dg/pr34233.c: New testcase.

From-SVN: r130436

gcc/ChangeLog

+2007-11-26  Richard Guenther  <rguenther@suse.de>
+
+	PR middle-end/34233
+	* builtins.c (expand_builtin_pow): Use expand_expr to expand
+	the result of build_call_expr.
+
 2007-11-26  Steven Bosscher  <stevenb.gcc@gmail.com> 
 	    Revital Eres  <eres@il.ibm.com> 
 

gcc/builtins.c

@@ -2938,7 +2938,9 @@ expand_builtin_pow (tree exp, rtx target, rtx subtarget)
 	      || n == 1))
 	{
 	  tree call_expr = build_call_expr (fn, 1, narg0);
-	  op = expand_builtin (call_expr, NULL_RTX, subtarget, mode, 0);
+	  /* Use expand_expr in case the newly built call expression
+	     was folded to a non-call.  */
+	  op = expand_expr (call_expr, subtarget, mode, EXPAND_NORMAL);
 	  if (n != 1)
 	    {
 	      op2 = expand_expr (narg0, subtarget, VOIDmode, EXPAND_NORMAL);

gcc/testsuite/ChangeLog

+2007-11-26  Richard Guenther  <rguenther@suse.de>
+
+	PR middle-end/34233
+	* gcc.dg/pr34233.c: New testcase.
+
 2007-11-26  Steven Bosscher  <stevenb.gcc@gmail.com>
 	    Revital Eres  <eres@il.ibm.com>
 

gcc/testsuite/gcc.dg/pr34233.c

+/* { dg-do compile } */
+/* { dg-options "-ffast-math" } */
+
+double foo(void)
+{
+  return __builtin_pow (0.0, -1.5);
+}
+