s390.c (legitimize_pic_address): Access local symbols relative to the GOT...

s390.c (legitimize_pic_address): Access local symbols relative to the GOT instead of relative to the literal...

	* config/s390/s390.c (legitimize_pic_address): Access local symbols
	relative to the GOT instead of relative to the literal pool base.
	(s390_output_symbolic_const): Handle new GOT-relative accesses.
	* config/s390/s390.md ("call"): Access local functions and PLT stubs
	relative to the GOT instead of relative to the literal pool base.
	("call_value"): Likewise.
	("call_value_tls"): Likewise.

	* config/s390/s390.c (s390_chunkify_start): Remove pool anchor
	reloading.  Support LTREL_BASE / LTREL_OFFSET construct.
	(s390_chunkify_finish): Likewise.
	(s390_chunkify_cancel): Likewise.
	(s390_reorg): Adapt caller.
	(find_base_register_in_addr,
	find_base_register_ref, replace_base_register_ref): Delete.
	(find_ltrel_base, replace_ltrel_base): New functions.
	(find_constant_pool_ref): Handle LTREL_BASE unspecs.
	(s390_decompose_address): Handle LTREL_BASE unspecs.  Optimize
	base vs. index register usage.
	(struct constant_pool): Remove 'anchor'.
	(s390_add_anchor): Delete.
	(s390_dump_pool): Remove anchor handling.
	* config/s390/s390.md ("reload_anchor"): Remove.

	* config/s390/s390.c (s390_split_branches): Use LTREL_BASE/OFFSET.
	(s390_load_got): New function.  Use LTREL_BASE/OFFSET.
	(s390_emit_prologue): Use it.
	* config/s390/s390.md ("builtin_longjmp", "builtin_setjmp_setup",
	"builtin_setjmp_receiver"): Cleanup.  Use s390_load_got.  Do not
	hard-code register 14.
	* config/s390/s390-protos.h (s390_load_got): Declare.

	* config/s390/s390.c (NR_C_MODES, constant_modes, gen_consttable):
	Support TImode constants.
	* config/s390/s390.md ("consttable_ti"): New.
	("consttable_si", "consttable_di"): Handle TLS symbols correctly.

	* config/s390/s390.md (UNSPEC_LTREL_OFFSET, UNSPEC_LTREL_BASE,
	UNSPEC_GOTENT, UNSPEC_GOT, UNSPEC_GOTOFF, UNSPEC_PLT, UNSPEC_PLTOFF,
	UNSPEC_RELOAD_BASE, UNSPECV_POOL, UNSPECV_POOL_START, UNSPECV_POOL_END,
	UNSPECV_POOL_QI, UNSPECV_POOL_HI, UNSPECV_POOL_SI, UNSPECV_POOL_DI,
	UNSPECV_POOL_TI, UNSPECV_POOL_SF, UNSPECV_POOL_DF, UNSPECV_MAIN_POOL):
	New symbolic constants.
	("consttable_qi", "consttable_hi", "consttable_si", "consttable_di",
	"consttable_sf", "consttable_df", "pool_start_31", "pool_end_31",
	"pool_start_64", "pool_end_64", "reload_base_31", "reload_base_64",
	"pool", "literal_pool_31", "literal_pool_64"): Cleanup.  Use
	symbolic UNSPEC values.
	* config/s390/s390.c (larl_operand, s390_short_displacement,
	bras_sym_operand, s390_cannot_force_const_mem,
	s390_delegitimize_address, s390_decompose_address,
	legitimize_pic_address, s390_output_symbolic_const,
	s390_function_profiler): Use symbolic UNSPEC values.

From-SVN: r69592