* doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to

	* doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
	find number of popped argument bytes.

	(TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
	Fix the text that describes the return value for invalid insns.

	(TARGET_SCHED_NEEDS_BLOCK_P): Fix return type.  Fix argument list.

	(TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
	Clarify what 'cost of the -dependence' is.  Fix quoting.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@155999 138bc75d-0d04-0410-961f-82ee72b054a4