Adjust predictor values according to SPEC2006 and SPEC2017.

Adjust predictor values according to SPEC2006 and SPEC2017.

2018-01-19  Martin Liska  <mliska@suse.cz>

	* predict.def (PRED_LOOP_EXIT): Change from 85 to 89.
	(PRED_LOOP_EXIT_WITH_RECURSION): Change from 72 to 78.
	(PRED_LOOP_EXTRA_EXIT): Change from 83 to 67.
	(PRED_OPCODE_POSITIVE): Change from 64 to 59.
	(PRED_TREE_OPCODE_POSITIVE): Change from 64 to 59.
	(PRED_CONST_RETURN): Change from 69 to 65.
	(PRED_NULL_RETURN): Change from 91 to 71.
	(PRED_LOOP_IV_COMPARE_GUESS): Change from 98 to 64.
	(PRED_LOOP_GUARD): Change from 66 to 73.

From-SVN: r256888