Add support for thread local storage (general dynamic and local dynamic models) in MicroBlaze.
gcc/Changelog
2013-03-13 Edgar E. Iglesias <edgar.igles...@xilinx.com>
David Holsgrove <david.holsgr...@xilinx.com>
* config/microblaze/microblaze-protos.h: (microblaze_cannot_force_const_mem,
microblaze_tls_referenced_p, symbol_mentioned_p,
label_mentioned_p): Add prototypes.
* config/microblaze/microblaze.c (microblaze_address_type): Add ADDRESS_TLS
and tls_reloc address types.
(microblaze_address_info): Add tls_reloc.
(TARGET_HAVE_TLS): Define.
(get_tls_get_addr, microblaze_tls_symbol_p, microblaze_tls_operand_p_1,
microblaze_tls_referenced_p, microblaze_cannot_force_const_mem,
symbol_mentioned_p, label_mentioned_p, tls_mentioned_p, load_tls_operand,
microblaze_call_tls_get_addr, microblaze_legitimize_tls_address): New
functions.
(microblaze_classify_unspec): Handle UNSPEC_TLS.
(get_base_reg): Use microblaze_tls_symbol_p.
(microblaze_classify_address): Handle TLS.
(microblaze_legitimate_pic_operand): Use symbol_mentioned_p,
label_mentioned_p
and microblaze_tls_referenced_p.
(microblaze_legitimize_address): Handle TLS.
(microblaze_address_insns): Handle ADDRESS_TLS.
(pic_address_needs_scratch): Handle TLS.
(print_operand_address): Handle TLS.
(microblaze_expand_prologue): Check TLS_NEEDS_GOT.
(microblaze_expand_move): Handle TLS.
(microblaze_legitimate_constant_p): Check microblaze_cannot_force_const_mem
and microblaze_tls_symbol_p.
(TARGET_CANNOT_FORCE_CONST_MEM): Define.
* config/microblaze/microblaze.h (TLS_NEEDS_GOT): Define
(PIC_OFFSET_TABLE_REGNUM): Set.
* config/microblaze/linux.h (TLS_NEEDS_GOT): Define.
* config/microblaze/microblaze.md (UNSPEC_TLS): Define.
(addsi3, movsi_internal2, movdf_internal): Update constraints
* config/microblaze/predicates.md (arith_plus_operand): Define
(move_operand): Redefine as move_src_operand, check
microblaze_tls_referenced_p.
Signed-off-by: Edgar E. Iglesias <edgar.igles...@xilinx.com>
Signed-off-by: David Holsgrove <david.holsgr...@xilinx.com>
0001-Patch-microblaze-Add-support-for-TLS.patch
Description: 0001-Patch-microblaze-Add-support-for-TLS.patch
