PR rtl-optimization/81443
commit62e40fb514b411d131c2ff6ad34b2f28f61d145e
authorebotcazou <ebotcazou@138bc75d-0d04-0410-961f-82ee72b054a4>
Fri, 16 Feb 2018 08:20:32 +0000 (16 08:20 +0000)
committerebotcazou <ebotcazou@138bc75d-0d04-0410-961f-82ee72b054a4>
Fri, 16 Feb 2018 08:20:32 +0000 (16 08:20 +0000)
tree89a9f76f79e45ff479ad5d5e758108de3c5f95b4
parent97744494766c0f53bdb293b61fa97da71a3a1f3e
PR rtl-optimization/81443
* rtlanal.c (num_sign_bit_copies1) <SUBREG>: Do not propagate results
from inner REGs to paradoxical SUBREGs.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@257724 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog
gcc/rtlanal.c