------- Comment #21 from ubizjak at gmail dot com  2007-10-08 08:56 -------
The problem is, that we don't have correct REG_DEP_TRUE expr of the call to
powf after we have pushed ebp+const into temp register.

I'm testing following patch to explow.c:

Index: explow.c
===================================================================
--- explow.c    (revision 129120)
+++ explow.c    (working copy)
@@ -488,7 +488,9 @@ memory_address (enum machine_mode mode, 
     win2:
       x = oldx;
     win:
-      if (flag_force_addr && ! cse_not_expected && !REG_P (x))
+      if (flag_force_addr && ! cse_not_expected && !REG_P (x)
+         && ! reg_mentioned_p (virtual_outgoing_args_rtx, x)
+         && ! reg_mentioned_p (stack_pointer_rtx, x))
        {
          x = force_operand (x, NULL_RTX);
          x = force_reg (Pmode, x);


-- 

ubizjak at gmail dot com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |ubizjak at gmail dot com


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33638

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