r273901 - in /branches/gcc-9-branch/gcc: Change...

[hubicka@gcc.gnu.org]

Author: hubicka
Date: Tue Jul 30 08:10:22 2019
New Revision: 273901

URL: https://gcc.gnu.org/viewcvs?rev=273901&root=gcc&view=rev
Log:

	Backport from mainline
	2019-07-23  Jan Hubicka  <hubicka@ucw.cz>

	* config/i386/i386.c (ix86_option_override_internal): Default
	PARAM_AVOID_FMA_MAX_BITS to 256 for znver2.
	* config/i386/x86-tune.def (X86_TUNE_AVOID_256FMA_CHAINS): Set
	for ZNVER2.

Modified:
    branches/gcc-9-branch/gcc/ChangeLog
    branches/gcc-9-branch/gcc/config/i386/i386.c
    branches/gcc-9-branch/gcc/config/i386/x86-tune.def