[Bug rtl-optimization/61047] [4.9/4.10 Regression] wrong code at -O1 on x86_64-linux

[bernd.edlinger at hotmail dot de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61047

Bernd Edlinger <bernd.edlinger at hotmail dot de> changed:

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                 CC|                            |bernd.edlinger at hotmail dot de

--- Comment #4 from Bernd Edlinger <bernd.edlinger at hotmail dot de> ---
Created attachment 32909
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=32909&action=edit
possible fix

I am experimenting with this patch, which extends
Eric's patch for references of frame_pointer_rtx also to
references of stack_pointer_rtx, hard_frame_pointer_rtx
and arg_pointer_rtx.