* config/tc-xtensa.c (config_max_slots): New global variable.
(md_begin): Set config_max_slots.
(total_frag_text_expansion): Use config_max_slots instead of
MAX_SLOTS.
(xg_init_vinsn): Likewise.
(xg_clear_vinsn): Likewise.
(xg_free_vinsn): Likewise.
* config/tc-xtensa.h (xtensa_frag_data): Rename unused field fr_prev
to no_transform_end.
* config/tc-xtensa.c (xtensa_mark_difference_of_two_symbols): Set
and use no_transform_end.
* config/tc-xtensa.c (xtensa_create_xproperty_segments): Use
sizeof instead of hard-coded value.
(add_xt_block_frags): Remove unused local variable.
(frag_flags_to_number): Change return type to flagword. Remove
unused local variable.
* xtensa-isa.c (xtensa_state_is_shared_or): New function.
2008-11-21 Sterling Augustine <sterling@tensilica.com>
* xtensa-isa-internal.h (XTENSA_STATE_IS_SHARED_OR): New flag.
* xtensa-isa.h (xtensa_state_is_shared_or): New prototype.
2008-11-21 Sterling Augustine <sterling@tensilica.com>
* config/tc-xtensa.c (check_t1_t2_reads_and_writes): Call
xtensa_state_is_shared_or to allow multiple opcodes within a
single FLIX bundle to write to these special states.
* config/tc-xtensa.c (xtensa_j_opcode): New.
(xg_instruction_matches_option_term): Handle "FREEREG" option.
(xg_build_to_insn): Likewise. Update renamed tls_reloc reference.
(md_begin): Initialize xtensa_j_opcode.
(md_assemble): Update renamed tls_reloc reference. Handle "j.l".
(xg_assemble_vliw_tokens): Save free_reg info in the frag.
(tinsn_immed_from_frag): Get free_reg info back out of the frag.
(vinsn_to_insnbuf): Update renamed tls_reloc references.
Distinguish extra argument for "FREEREG" from extra TLS argument.
* config/tc-xtensa.h (struct xtensa_frag_type): Add free_reg field.
* config/xtensa-istack.h (struct tinsn_struct): Rename tls_reloc
field to extra_arg.
* config/xtensa-relax.c (widen_spec_list): Add rules to relax "j.l".
(build_transition): Handle "FREEREG" operand.
* config/xtensa-relax.h (enum op_type): Add OP_FREEREG.
2008-11-04 Bob Wilson <bob.wilson@acm.org>
* gas/xtensa/all.exp: Run jlong test.
* gas/xtensa/jlong.d: New.
* gas/xtensa/jlong.s: New.
* config/tc-xtensa.c (exclude_section_from_property_tables): New.
(xtensa_create_property_segments): Use it.
(xtensa_create_xproperty_segments): Likewise.
* elf32-xtensa.c (xtensa_property_section_name): New.
(xtensa_make_property_section): New.
(xtensa_get_property_section): Make static. Do not create a new
section if it does not exist.
gas/
* config/tc-xtensa.c (xtensa_create_property_segments): Use
xtensa_make_property_section instead of xtensa_get_property_section.
(xtensa_create_xproperty_segments): Likewise.
* xtensa-isa.c (xtensa_isa_num_pipe_stages): Make max_stage static and
only compute its value once.
gas/
* config/tc-xtensa.c (xtensa_num_pipe_stages): New.
(md_begin): Initialize it.
(resources_conflict): Use it.
* config/tc-xtensa.c (relax_frag_immed): Change internal consistency
checks into assertions. When relaxation produces an operation that
does not fit in the current FLIX instruction, make sure that the
operation is relaxed as needed to account for being placed following
the current instruction.
* config/tc-xtensa.c (xg_symbolic_immeds_fit): Relax for weak
references but not weak definitions.
gas/testsuite/
* gas/xtensa/all.exp: Run new weak-call test.
* gas/xtensa/weak-call.d: New.
* gas/xtensa/weak-call.s: New.
wide branches.
(get_aligned_diff): For RELAX_ALIGN_NEXT_OPCODE, skip to the next
non-empty frag to find the LOOP instruction. Change comma typo to
a semicolon.
(relax_frag_immed, convert_frag_immed): Rename wide_insn variable to
from_widen_insn.
(xg_finish_frag, xg_assemble_literal_space): Replace calls to it.
(xtensa_create_property_segments, xtensa_create_xproperty_segments):
Set output_section for new property sections. Use subseg_set and
seg_info instead of retrieve_segment_info. Adjust arguments to
add_xt_block_frags and add_xt_prop_frags. Use standard functions
to create frags and fix records.
(retrieve_segment_info): Delete.
(add_xt_block_frags, add_xt_prop_frags): Replace calls to
retrieve_segment_info. Remove unused xt_block_sec arguments.
with loc_directive_seen and debug_line.
* config/tc-xtensa.c: Include xtensa-istack.h after dwarf2dbg.h.
(xg_build_to_insn): Copy the new fields instead of linenum.
(xg_build_token_insn): Likewise. Abort on INSTR_LABEL_DEF and move
common code out of the switch.
(md_assemble): Set new tinsn fields from DWARF information. Call
dwarf2_consume_line_info.
(xg_assemble_vliw_tokens): Update the code to select the "best" line
number to use new information. Call dwarf2_gen_line_info instead
of dwarf2_emit_insn.
use of literal_frag field.
* config/tc-xtensa.c (xtensa_mark_literal_pool_location): Record frag
in the literal_frag field.
(xtensa_move_literals): Use it here instead of searching. Update
literal_frag field with new value.
* elf32-xtensa.c (extend_ebb_bounds_forward): Use renamed
XTENSA_PROP_NO_TRANSFORM flag instead of XTENSA_PROP_INSN_NO_TRANSFORM.
(extend_ebb_bounds_backward, compute_text_actions): Likewise.
(compute_ebb_proposed_actions, coalesce_shared_literal): Likewise.
(xtensa_get_property_predef_flags): Likewise.
(compute_removed_literals): Pass new arguments to is_removable_literal.
(is_removable_literal): Add sec, prop_table and ptblsize arguments.
Do not remove literal if the NO_TRANSFORM property flag is set.
gas/
* config/tc-xtensa.c (XTENSA_PROP_INSN_NO_TRANSFORM): Renamed to...
(XTENSA_PROP_NO_TRANSFORM): ...this.
(frag_flags_struct): Move is_no_transform out of the insn sub-struct.
(xtensa_mark_frags_for_org): New.
(xtensa_handle_align): Set RELAX_ORG frag subtype for rs_org.
(xtensa_post_relax_hook): Call xtensa_mark_frags_for_org.
(get_frag_property_flags): Adjust reference to is_no_transform flag.
(xtensa_frag_flags_combinable): Likewise.
(frag_flags_to_number): Likewise. Use XTENSA_PROP_NO_TRANSFORM.
* config/tc-xtensa.h (xtensa_relax_statesE): Add RELAX_ORG.
include/elf/
* xtensa.h (XTENSA_PROP_INSN_NO_TRANSFORM): Renamed to...
(XTENSA_PROP_NO_TRANSFORM): ...this.
ld/
* emultempl/xtensaelf.em (replace_insn_sec_with_prop_sec): Use renamed
XTENSA_PROP_NO_TRANSFORM flag instead of XTENSA_PROP_INSN_NO_TRANSFORM.
Do not check is_loop_target flag.
(xtensa_frob_label): Adjust calls to xtensa_move_labels.
(xg_assemble_vliw_tokens): Likewise. Also avoid calling
xtensa_move_labels for alignment of loop opcodes.
(xtensa_elf_suffix): Use suffix_relocs instead of local mapping table.
(map_suffix_reloc_to_operator): New.
(map_operator_to_reloc): New.
(expression_maybe_register): Fix incorrect test of return value from
xtensa_elf_suffix. Rearrange to use map_suffix_reloc_to_operator.
(xg_assemble_literal, convert_frag_immed): Use map_operator_to_reloc.
Sterling Augustine
Nick Clifton
Alan Modra
Bob Wilson