[ARC] Add TLS support

Programming / Compilers / GCC - claziss [138bc75d-0d04-0410-961f-82ee72b054a4] - 28 April 2016 06:53 UTC

gcc/ 2016-04-28 Claudiu Zissulescu Joern Rennecke

- config/arc/arc-protos.h (arc_legitimize_pic_address): Remove declaration. (emit_pic_move): Remove. (arc_eh_uses, insn_is_tls_gd_dispatch): Declare.
- config/arc/arc.c (emit_pic_move): Removed. (TARGET_HAVE_TLS): Define. (arc_conditional_register_usage): Test for arc_tp_regno. (arc_print_operand, arc_print_operand_address): Handle TLS unspecs. (arc_needs_pcl_p): New function. (arc_legitimate_pc_offset_p): Use arc_needs_pcl_p. (arc_legitimate_pic_addr_p): Handle TLS unspecs. (arc_raw_symbolic_reference_mentioned_p): Likewise. (arc_get_tp, arc_emit_call_tls_get_addr): New function. (arc_legitimize_tls_address): Likewise. (DTPOFF_ZERO_SYM): Define. (arc_legitimize_pic_address): Make it static, handle TLS cases. (arc_output_pic_addr_const): Print TLS unspecs. (prepare_pic_move): New function, replaces emit_pic_move. (arc_legitimate_constant_p): Handle TLS unspecs. (arc_legitimate_address_p): Likewise. (arc_rewrite_small_data_p): Use assert for TLS constants. (prepare_move_operands): Use prepare_pic_move. (arc_legitimize_address): Legitimize tls addresses. (arc_epilogue_uses): Check for arc_tp_regno. (arc_eh_uses, insn_is_tls_gd_dispatch): New function.
- config/arc/arc.h [DEFAULT_LIBC != LIBC_UCLIBC] (EXTRA_SPECS): Define. [DEFAULT_LIBC != LIBC_UCLIBC] (ARC_TLS_EXTRA_START_SPEC): Likewise. [DEFAULT_LIBC != LIBC_UCLIBC] (STARTFILE_SPEC): Add %(arc_tls_extra_start_spec). (TARGET_CPU_CPP_BUILTINS): Define __ARC_TLS_REGNO__. (REGNO_OK_FOR_BASE_P): Check for arc_tp_regno. (EH_USES): Define. (INSN_REFERENCES_ARE_DELAYED): Use insn_is_tls_gd_dispatch.
- config/arc/arc.md (UNSPEC_TLS_GD, UNSPEC_TLS_LD, UNSPEC_TLS_IE) (UNSPEC_TLS_OFF): Add. (R10_REG): Define. (tls_load_tp_soft, tls_gd_load, tls_gd_get_addr, tls_gd_dispatch) (get_thread_pointersi): New patterns.
- config/arc/arc.opt (mtp-regno): New option.
- config/arc/predicates.md (move_src_operand): Handle TLS symbols. (move_dest_operand): Likewise.
- configure: Regenerate.
- configure.ac: Add arc*-*-* case to test for tls.
- doc/invoke.texi (ARC options): Document mtp-regno.

4260aee [ARC] Add TLS support.
gcc/ChangeLog | 51 +++++
gcc/config/arc/arc-protos.h | 4 +-
gcc/config/arc/arc.c | 505 ++++++++++++++++++++++++++++++------------
gcc/config/arc/arc.h | 22 +-
gcc/config/arc/arc.md | 71 ++++++
gcc/config/arc/arc.opt | 7 +
gcc/config/arc/predicates.md | 15 +-
gcc/configure | 6 +
gcc/configure.ac | 6 +
gcc/doc/invoke.texi | 6 +-
10 files changed, 545 insertions(+), 148 deletions(-)

Upstream: gcc.gnu.org

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