invoke.texi: Document -mbitops for SH.

invoke.texi: Document -mbitops for SH.

	* doc/invoke.texi: Document -mbitops for SH.
	* config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
	* config/sh/predicates.md (bitwise_memory_operand): New	predicate.
	* config/sh/sh.c (print_operand): Add %t operand code.
	* config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
	* config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
	(extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
	(extendqihi2): Likewise.
	(movqi_i): Likewise.
	(insv): Use bset, bclr and bst instructions for SH2A if	possible.
	(extv): Use bld instruction for SH2A if possible.
	(extzv): Likewise.
	(bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
	bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
	bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
	(bset.b, bclr.b): Define peepholes.
	* config/sh/sh.opt (mbitops): New option.

	* gcc.target/sh/sh2a-band.c: New test.
	* gcc.target/sh/sh2a-bclrmem.c: New test.
	* gcc.target/sh/sh2a-bld.c: New test.
	* gcc.target/sh/sh2a-bor.c: New test.
	* gcc.target/sh/sh2a-bsetmem.c: New test.
	* gcc.target/sh/sh2a-bxor.c: New test.

From-SVN: r133919