[AArch64] Use SVE BIC for conditional arithmetic

[AArch64] Use SVE BIC for conditional arithmetic

This patch uses BIC to pattern-match conditional AND with an inverted
third input.  It also adds extra tests for AND, ORR and EOR.

2019-08-14  Richard Sandiford  <richard.sandiford@arm.com>
	    Kugan Vivekanandarajah  <kugan.vivekanandarajah@linaro.org>

gcc/
	* config/aarch64/aarch64-sve.md (*cond_bic<mode>_2)
	(*cond_bic<mode>_any): New patterns.

gcc/testsuite/
	* gcc.target/aarch64/sve/cond_logical_1.c: New test.
	* gcc.target/aarch64/sve/cond_logical_1_run.c: Likewise.
	* gcc.target/aarch64/sve/cond_logical_2.c: Likewise.
	* gcc.target/aarch64/sve/cond_logical_2_run.c: Likewise.
	* gcc.target/aarch64/sve/cond_logical_3.c: Likewise.
	* gcc.target/aarch64/sve/cond_logical_3_run.c: Likewise.
	* gcc.target/aarch64/sve/cond_logical_4.c: Likewise.
	* gcc.target/aarch64/sve/cond_logical_4_run.c: Likewise.
	* gcc.target/aarch64/sve/cond_logical_5.c: Likewise.
	* gcc.target/aarch64/sve/cond_logical_5_run.c: Likewise.

Co-Authored-By: Kugan Vivekanandarajah <kuganv@linaro.org>
From-SVN: r274480