re PR target/63542 (My build log is full of "non-delegitimized UNSPEC UNSPEC_GOT...

re PR target/63542 (My build log is full of "non-delegitimized UNSPEC UNSPEC_GOT (0) found in variable location")

	PR target/63542
	* config/i386/i386.c (ix86_pic_register_p): Also return
	true if x is a hard register with ORIGINAL_REGNO equal to
	pic_offset_table_rtx pseudo REGNO.
	(ix86_delegitimize_address): For ix86_use_pseudo_pic_reg ()
	after reload, subtract GOT_SYMBOL_NAME symbol if possible.

	* gcc.target/i386/pr63542-1.c: New test.
	* gcc.target/i386/pr63542-2.c: New test.

From-SVN: r216540