r256998 - in /branches/gcc-7-branch/gcc: Change...

[ebotcazou@gcc.gnu.org]

Author: ebotcazou
Date: Tue Jan 23 20:54:32 2018
New Revision: 256998

URL: https://gcc.gnu.org/viewcvs?rev=256998&root=gcc&view=rev
Log:
	PR rtl-optimization/81443
	* rtlanal.c (num_sign_bit_copies1) <SUBREG>: Do not propagate results
	from inner REGs to paradoxical SUBREGs.

Modified:
    branches/gcc-7-branch/gcc/ChangeLog
    branches/gcc-7-branch/gcc/rtlanal.c