reload.c (find_reloads): Do not use the mode specified in the insn pattern as reload mode for address...

gcc/
	* reload.c (find_reloads): Do not use the mode specified in the insn
	pattern as reload mode for address operands.  Do not generate optional
	reloads for operands where a mandatory reload was already pushed.
	Generate optional reloads only in the final pass though find_reloads.
	(have_replacement_p): New function.

gcc/testsuite/
	* gcc.dg/20030129-1.c: New test.

From-SVN: r62225