arc.md, [...]: Replace gen_rtx with gen_rtx_fmt_e*.

arc.md, [...]: Replace gen_rtx with gen_rtx_fmt_e*.

	* config/arc/arc.md, config/arm/arm.c, config/arm/arm.md,
	config/c4x/c4x.c, config/c4x/c4x.md, config/cris/cris.md,
	config/frv/frv.c, config/h8300/h8300.c, config/ip2k/ip2k.md,
	config/iq2000/iq2000.c, config/m32r/m32r.c,
	config/mcore/mcore.c, config/mips/mips.c, config/mmix/mmix.md,
	config/mn10300/mn10300.c, config/rs6000/rs6000.c,
	config/rs6000/rs6000.md, config/sh/sh.c, config/sh/sh.md,
	config/stormy16/stormy16.c, config/v850/v850.md,
	config/xtensa/xtensa.c: Replace gen_rtx with gen_rtx_fmt_e*.

From-SVN: r77098