backport: re PR target/64113 (Gcc on Alpha: Error: No lda !gpdisp!282 was found)

backport: re PR target/64113 (Gcc on Alpha: Error: No lda !gpdisp!282 was found)

	Backport from mainline
	2014-12-02  Uros Bizjak  <ubizjak@gmail.com>

	PR target/64113
	* config/alpha/alpha.md (call_value_osf_tlsgd): Do not split insn
	using post-reload splitter.  Use peephole2 pass instead.
	(call_value_osf_tlsldm): Ditto.
	(TLS_CALL): New int iterator.
	(tls): New int attribute.
	(call_value_osf_<tls>): Merge insn pattern from call_value_osf_tlsgd
	and call_value_tlsldm using TLS_CALL int iterator.

From-SVN: r220896