re PR target/63260 ([SH] fabs, fneg do not need fp-mode setting and do not use fpscr)

re PR target/63260 ([SH] fabs, fneg do not need fp-mode setting and do not use fpscr)

gcc/
	PR target/63260
	* config/sh/sh.md (negsf2, negsf2_i, negdf2, negdf2_i, abssf2,
	abssf2_i, absdf2, absdf2_i): Remove fp_mode attribute.  Remove use
	of FPSCR.
	(negsf2_i): Rename to *negsf2_i.
	(abssf2_i): Rename to *abssf2_i.
	(negdf2_i): Rename to *negdf2_i.
	(absdf2_i): Rename to *absdf2_i.

gcc/testsuite/
	PR target/63260
	* gcc.target/sh/pr63260.c: New.

From-SVN: r216173