http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59125
--- Comment #6 from Richard Biener ---
Author: rguenth
Date: Mon Nov 18 15:25:05 2013
New Revision: 204966
URL: http://gcc.gnu.org/viewcvs?rev=204966&root=gcc&view=rev
Log:
2013-11-18 Richard Biener
PR tree-optimization/59125
PR tree-
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59125
--- Comment #5 from Richard Biener ---
Related bug is PR54570.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59125
Richard Biener changed:
What|Removed |Added
CC||jakub at gcc dot gnu.org
--- Comment #4
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59125
--- Comment #3 from Richard Biener ---
It doesn't work that easily. But we could "refine" a folding result without
actually doing the folding by adding an additional argument to the builtin
which serves as a (sofar) known maximum/minimum value.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59125
--- Comment #2 from Richard Biener ---
We already re-fold whenever we fold the object-size stmt via fold_stmt looking
up the def of the address - inlining for example triggers this. We'd later
pick up more opportunities if we'd enhance forwprop f
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59125
Richard Biener changed:
What|Removed |Added
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed|
