r222457 - in /trunk/gcc: ChangeLog combine.c

[thopre01@gcc.gnu.org]

Author: thopre01
Date: Mon Apr 27 11:02:34 2015
New Revision: 222457

URL: https://gcc.gnu.org/viewcvs?rev=222457&root=gcc&view=rev
Log:
2015-04-27  Thomas Preud'homme  <thomas.preudhomme@arm.com>

    * combine.c (sign_extend_short_imm): New.
    (set_nonzero_bits_and_sign_copies): Use above new function for sign
    extension of src short immediate.
    (reg_nonzero_bits_for_combine): Likewise for tem.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/combine.c