system.h: Poison NO_RECURSIVE_FUNCTION_CSE.

system.h: Poison NO_RECURSIVE_FUNCTION_CSE.

	* system.h: Poison NO_RECURSIVE_FUNCTION_CSE.
	* calls.c (prepare_call_address): Don't test
	NO_RECURSIVE_FUNCTION_CSE.
	* config/arc/arc.h (NO_RECURSIVE_FUNCTION_CSE): Don't define.
	* config/arm/arm.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
	* config/avr/avr.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
	* config/frv/frv.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
	* config/i386/i386.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
	* config/ip2k/ip2k.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
	* config/iq2000/iq2000.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
	* config/m32r/m32r.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
	* config/m68k/m68k.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
	* config/mcore/mcore.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
	* config/mips/mips.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
	* config/stormy16/stormy16.h (NO_RECURSIVE_FUNCTION_CSE):
	Likewise.
	* config/xtensa/xtensa.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
	* config/sh/sh.h: Remove NO_RECURSIVE_FUNCTION_CSE comment.
	* doc/tm.texi (Costs): Remove documentation for
	NO_RECURSIVE_FUNCTION_CSE.

From-SVN: r82084