re PR target/53512 (SH Target: Allow fsca and fsrra for non-SH4A)

re PR target/53512 (SH Target: Allow fsca and fsrra for non-SH4A)

	PR target/53512
	* sh.opt (mfsca, mfsrra): New options.
	* sh.md (rsqrtsf2): Use TARGET_FPU_ANY and TARGET_FSRRA	condition.
	(fsca): Use TARGET_FPU_ANY and TARGET_FSCA condition.
	(sinssf2, cossf2): Fold expanders to ...
	(sincossf3): ... this new expander.  Use TARGET_FPU_ANY and
	TARGET_FSCA condition.
	* sh.c (sh_option_override): Handle TARGET_FSRRA and TARGET_FSCA.
	* doc/invoke.texi (SH Options): Add descriptions for -mfsca,
	-mno-fsca, -mfsrra, -mno-fsrra.

	PR target/53512
	* gcc.target/sh/pr53512-1.c: New.
	* gcc.target/sh/pr53512-2.c: New.
	* gcc.target/sh/pr53512-3.c: New.
	* gcc.target/sh/pr53512-4.c: New.

From-SVN: r188149