Re: RFA: Clean up ADDRESS handling in alias.c

2012-04-17 Thread Richard Sandiford
"H.J. Lu" writes: > On Sun, Apr 15, 2012 at 8:11 AM, Richard Sandiford > wrote: >> The comment in alias.c says: >> >>   The contents of an ADDRESS is not normally used, the mode of the >>   ADDRESS determines whether the ADDRESS is a function argument or some >>   other special value.  Pointer eq

Re: RFA: Clean up ADDRESS handling in alias.c

2012-04-17 Thread H.J. Lu
On Sun, Apr 15, 2012 at 8:11 AM, Richard Sandiford wrote: > The comment in alias.c says: > >   The contents of an ADDRESS is not normally used, the mode of the >   ADDRESS determines whether the ADDRESS is a function argument or some >   other special value.  Pointer equality, not rtx_equal_p, det

Re: RFA: Clean up ADDRESS handling in alias.c

2012-04-17 Thread Richard Guenther
On Sun, Apr 15, 2012 at 5:11 PM, Richard Sandiford wrote: > The comment in alias.c says: > >   The contents of an ADDRESS is not normally used, the mode of the >   ADDRESS determines whether the ADDRESS is a function argument or some >   other special value.  Pointer equality, not rtx_equal_p, det

RFA: Clean up ADDRESS handling in alias.c

2012-04-15 Thread Richard Sandiford
The comment in alias.c says: The contents of an ADDRESS is not normally used, the mode of the ADDRESS determines whether the ADDRESS is a function argument or some other special value. Pointer equality, not rtx_equal_p, determines whether two ADDRESS expressions refer to the same base