http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55832
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
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Status|NEW |ASSIGNED
AssignedTo|unassigned at gcc dot |jakub at gcc dot gnu.org
|gnu.org |
--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> 2013-01-02
09:07:06 UTC ---
Created attachment 29072
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=29072
gcc48-pr55832.patch
Indeed, and omit_one_operand_loc can deal with converting integer_zero_node to
a zero vector, but can't cope with converting integer_one_node into a constant
boolean true vector.
I've slightly adjusted the testcase, so that it at least doesn't violate strict
aliasing, unfortunately without the uninitialized c it doesn't trigger. And I
couldn't find a way to create ABS_EXPR of vectors using vector types directly.
