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simplify-rtx.c (simplify_unary_operation_1): Optimize (sign_extend (zero_extend ...
authorJakub Jelinek <jakub@redhat.com>
Fri, 20 Aug 2010 18:08:10 +0000 (20:08 +0200)
committerJakub Jelinek <jakub@gcc.gnu.org>
Fri, 20 Aug 2010 18:08:10 +0000 (20:08 +0200)
commit561da6bc0b57495cb390311326598b0558d23dd3
tree7c21d0a4de53397e0e7f2b92be4db9f274312b3ftree
parent89ad0f25dc8910505a30611497f57457c113a6dacommit | diff
simplify-rtx.c (simplify_unary_operation_1): Optimize (sign_extend (zero_extend ()) and ({sign,zero}_extend (lshiftrt...

* simplify-rtx.c (simplify_unary_operation_1): Optimize
(sign_extend (zero_extend ()) and
({sign,zero}_extend (lshiftrt (ashift X (const_int I)) (const_int I))).

Co-Authored-By: Paolo Bonzini <bonzini@gnu.org>
From-SVN: r163413
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