http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15357
Andrew Pinski changed:
What|Removed |Added
Status|ASSIGNED|RESOLVED
Resolution|---
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15357
Andrew Pinski changed:
What|Removed |Added
Status|NEW |ASSIGNED
AssignedTo|unassigned at
--- Comment #4 from rguenth at gcc dot gnu dot org 2007-06-12 12:10 ---
The new if-combining pass can be told to make the transformation suggested in
the description.
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rguenth at gcc dot gnu dot org changed:
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--- Comment #3 from rguenth at gcc dot gnu dot org 2007-01-26 13:44 ---
Another thing we should be able to do is combine bit-tests like
if (a & (1 << b))
if (a & (1 << c))
...
to a single test
if (a & ((1 << b) | (1 << c)) == ((1 << b) | (1 << c)))
...
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http://gcc.
--- Additional Comments From pinskia at gcc dot gnu dot org 2005-05-08
18:17 ---
I lost the code which I was using to do this so I am no longer working on this.
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