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PR target/41081
authoramodra <amodra@138bc75d-0d04-0410-961f-82ee72b054a4>
Sun, 23 Aug 2009 02:57:26 +0000 (02:57 +0000)
committeramodra <amodra@138bc75d-0d04-0410-961f-82ee72b054a4>
Sun, 23 Aug 2009 02:57:26 +0000 (02:57 +0000)
commitf92bd2dda8819e6c0128b58074e70bc72f0c927b
tree8a20e3006159e44742462f90f0e5276bb50e8f4c
parent71f666903a8de9f6f29cdbb85cfcca2d2de7ca8d
PR target/41081
* fwprop.c (try_fwprop_subst): Allow multiple sets.
(get_reg_use_in): New function.
(forward_propagate_subreg): Propagate through subreg of zero_extend
or sign_extend.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@151022 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog
gcc/fwprop.c