r265814 - in /trunk/gcc: ChangeLog config/s390/...

[rdapp@gcc.gnu.org]

Author: rdapp
Date: Mon Nov  5 16:42:43 2018
New Revision: 265814

URL: https://gcc.gnu.org/viewcvs?rev=265814&root=gcc&view=rev
Log:
S/390: Increase register move costs for CC_REGS

This increases the move costs for moves involving the CC
register which saves us some instructions in SPEC CPU2006.

gcc/ChangeLog:

2018-11-05  Robin Dapp  <rdapp@linux.ibm.com>

	* config/s390/s390.c (s390_register_move_cost): Increase costs for
        moves involving the CC reg.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/s390/s390.c