r256572 - in /trunk/gcc: ChangeLog rtlanal.c te...

[ebotcazou@gcc.gnu.org]

Author: ebotcazou
Date: Fri Jan 12 10:18:24 2018
New Revision: 256572

URL: https://gcc.gnu.org/viewcvs?rev=256572&root=gcc&view=rev
Log:
	PR rtl-optimization/83565
	* rtlanal.c (nonzero_bits1): On WORD_REGISTER_OPERATIONS machines, do
	not extend the result to a larger mode for rotate operations.
	(num_sign_bit_copies1): Likewise.

Added:
    trunk/gcc/testsuite/gcc.c-torture/execute/20180112-1.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/rtlanal.c
    trunk/gcc/testsuite/ChangeLog