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r245754 - in /trunk/gcc: ChangeLog testsuite/Ch...
- From: amker at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Mon, 27 Feb 2017 10:20:37 -0000
- Subject: r245754 - in /trunk/gcc: ChangeLog testsuite/Ch...
Author: amker
Date: Mon Feb 27 10:20:36 2017
New Revision: 245754
URL: https://gcc.gnu.org/viewcvs?rev=245754&root=gcc&view=rev
Log:
PR tree-optimization/77536
* tree-ssa-loop-manip.c (niter_for_unrolled_loop): New function.
(tree_transform_and_unroll_loop): Use above function to compute the
estimated niter of unrolled loop and use it when scaling profile.
Also use count info rather than frequency if it's non-zero.
* tree-ssa-loop-manip.h niter_for_unrolled_loop(): New declaration.
* tree-vect-loop.c (scale_profile_for_vect_loop): New function.
(vect_transform_loop): Call above function.
gcc/testsuite
* gcc.dg/vect/pr79347.c: Revise testing string.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/testsuite/gcc.dg/vect/pr79347.c
trunk/gcc/tree-ssa-loop-manip.c
trunk/gcc/tree-ssa-loop-manip.h
trunk/gcc/tree-vect-loop.c