rtl.texi (const_double): Remove the "addr" operand.

rtl.texi (const_double): Remove the "addr" operand.

gcc/
	* doc/rtl.texi (const_double): Remove the "addr" operand.
	Describe CONST_DOUBLE_* macros under const_double rather
	than const_vector.
	(const_fixed): Fix the operand description.
	(const): Add an @findex directive.
	(CONST0_RTX, CONST1_RTX, CONST2_RTX): Move description
	after the constant rtl table.
	(fix): Combine floating-point and fixed-point descriptions.
	Fix hyphenation.
	* sched-deps.c (sched_analyze_2): Remove reference to
	CONST_DOUBLE_CHAIN.

From-SVN: r141149