re PR rtl-optimization/42699 (ZERO_EXTRACT on lhs never optimized out)
authorJakub Jelinek <jakub@redhat.com>
Tue, 12 Jan 2010 20:25:10 +0000 (21:25 +0100)
committerJakub Jelinek <jakub@gcc.gnu.org>
Tue, 12 Jan 2010 20:25:10 +0000 (21:25 +0100)
commitb4ab701fcc8933f69f288ca434d3376026d23cc0
tree34c32dfaa2d8868681f003d21ce679cc054dd76e
parent932f6f4a2cac1a3e0e3d2ccc659223c6dfa79837
re PR rtl-optimization/42699 (ZERO_EXTRACT on lhs never optimized out)

PR rtl-optimization/42699
* cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
involved.

From-SVN: r155844
gcc/ChangeLog
gcc/cse.c