* doc/tm.texi.in (ASM_OUTPUT_BSS): Remove documentation.
	(BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS): Update documentation.
	* doc/tm.texi: Regenerate.
	* system.h (ASM_OUTPUT_BSS): Poison.
	* varasm.c (asm_output_bss): Remove function.
	(emit_bss, init_varasm_once): Don't use ASM_OUTPUT_BSS macro.
	
	* config/frv/frv.h (BSS_SECTION_ASM_OP): Remove comment.
	* config/frv/fr30.h (BSS_SECTION_ASM_OP): Likewise.
	* config/i386/djgpp.h (BSS_SECTION_ASM_OP): Likewise.
	* config/i386/i386elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
	Likewise.
	* config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
	Likewise.
	* config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
	Likewise.
	* config/m68k/netbsd-elf.h (ASM_OUTPUT_ALIGNED_BSS): Likewise.

From-SVN: r172166