r237533 - in /trunk/gcc: ChangeLog fortran/Chan...

[marxin@gcc.gnu.org]

Author: marxin
Date: Thu Jun 16 16:05:25 2016
New Revision: 237533

URL: https://gcc.gnu.org/viewcvs?rev=237533&root=gcc&view=rev
Log:
Introduce fortran loop preheader

	* predict.def: Add fortran loop preheader predictor.
	* gimple-fold.c (gimple_fold_stmt_to_constant_1): Properly
	fold IFN_BUILTIN_EXPECT with a known constant argument.
	* trans-stmt.c (gfc_trans_simple_do): Predict the edge.
	* gfortran.dg/predict-1.f90: New test.

Added:
    trunk/gcc/testsuite/gfortran.dg/predict-1.f90
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/fortran/ChangeLog
    trunk/gcc/fortran/trans-stmt.c
    trunk/gcc/gimple-fold.c
    trunk/gcc/predict.def
    trunk/gcc/testsuite/ChangeLog