gcc/

	PR target/54445
	* config/i386/predicates.md (x86_64_immediate_operand): Allow
	negative offset for UNSPEC_DTPOFF/UNSPEC_NTPOFF.

gcc/testsuite/

	PR target/54445
	* gcc.target/i386/pr54445-1.c: New file.
	* gcc.target/i386/pr54445-2.c: Likewise.

From-SVN: r191230