r192638 - in /trunk/gcc: ChangeLog loop-unroll....

[hubicka@gcc.gnu.org]

Author: hubicka
Date: Sat Oct 20 15:51:16 2012
New Revision: 192638

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=192638
Log:
	* gcc.dg/tree-prof/unroll-1.c: New testcase.

	* loop-unroll.c (decide_unroll_constant_iterations): Don't
	perform unrolling for loops with low iterations bounds or estimates.

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