r216698 - in /branches/google/gcc-4_9/gcc: fina...

[wmi@gcc.gnu.org]

Author: wmi
Date: Sun Oct 26 02:09:11 2014
New Revision: 216698

URL: https://gcc.gnu.org/viewcvs?rev=216698&root=gcc&view=rev
Log:
Enforce 32 bytes alignment for small loop. It reduce frontend stalls for
westmere/sandybridge/ivybridge.
2014-10-25  Wei Mi  <wmi@google.com>

	* final.c (compute_alignments): Adjust alignment for small loop.
	* params.def: Add new param align-loop-size.

Modified:
    branches/google/gcc-4_9/gcc/final.c
    branches/google/gcc-4_9/gcc/params.def