r192718 - in /trunk/gcc: ChangeLog loop-unroll....

[hubicka@gcc.gnu.org]

Author: hubicka
Date: Tue Oct 23 15:15:58 2012
New Revision: 192718

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=192718
Log:

	* gcc.dg/tree-prof/peel-1.c: New testcase.
	* loop-unroll.c (decide_peel_simple): Simple peeling makes sense even
	with simple loops; bound number of branches only when FDO is not
	available.
	(decide_unroll_stupid): Mention that num_loop_branches heuristics
	is off.

Added:
    trunk/gcc/testsuite/gcc.dg/tree-prof/peel-1.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/loop-unroll.c
    trunk/gcc/testsuite/ChangeLog