[PATCH 4/4] Add CCMP selection based on rtx costs

[PATCH 4/4] Add CCMP selection based on rtx costs

    2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
		Jiong Wang  <jiong.wang@arm.com>

    gcc/
	* ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
	generated from different expand order.

    gcc/testsuite/
        * gcc.target/aarch64/ccmp_1.c: Add new tests.

Co-Authored-By: Jiong Wang <jiong.wang@arm.com>
From-SVN: r232565