re PR target/58066 (__tls_get_addr is called with misaligned stack on x86-64)

re PR target/58066 (__tls_get_addr is called with misaligned stack on x86-64)

gcc/
2014-05-08  Wei Mi  <wmi@google.com>

	PR target/58066
	* config/i386/i386.c (ix86_compute_frame_layout):
	Update preferred_stack_boundary for call, expanded from
	tls descriptor.
	* config/i386/i386.md:
	(*tls_global_dynamic_32_gnu): Update RTX to depend on
	SP register.
	(*tls_local_dynamic_base_32_gnu): Ditto.
	(*tls_local_dynamic_32_once): Ditto.
	(tls_global_dynamic_64_<mode>): Set
	ix86_tls_descriptor_calls_expanded_in_cfun.
	(tls_local_dynamic_base_64_<mode>): Ditto.
	(tls_global_dynamic_32): Set
	ix86_tls_descriptor_calls_expanded_in_cfun. Update RTX
	to depend on SP register.
	(tls_local_dynamic_base_32): Ditto.

gcc/testsuite/
2014-05-08  Wei Mi  <wmi@google.com>

	PR target/58066
	* gcc.target/i386/pr58066.c: New test.

From-SVN: r210222