+2011-07-24 Maciej W. Rozycki <macro@codesourcery.com>
+ Chao-ying Fu <fu@mips.com>
+ Richard Sandiford <rdsandiford@googlemail.com>
+
+ * config/tc-mips.h (mips_segment_info): Add one bit for
+ microMIPS.
+ (TC_LABEL_IS_LOCAL): New macro.
+ (mips_label_is_local): New prototype.
+ * config/tc-mips.c (S0, S7): New macros.
+ (emit_branch_likely_macro): New variable.
+ (mips_set_options): Add micromips.
+ (mips_opts): Initialise micromips to -1.
+ (file_ase_micromips): New variable.
+ (CPU_HAS_MICROMIPS): New macro.
+ (hilo_interlocks): Set for microMIPS too.
+ (gpr_interlocks): Likewise.
+ (cop_interlocks): Likewise.
+ (cop_mem_interlocks): Likewise.
+ (HAVE_CODE_COMPRESSION): New macro.
+ (micromips_op_hash): New variable.
+ (micromips_nop16_insn, micromips_nop32_insn): New variables.
+ (NOP_INSN): Handle microMIPS ASE.
+ (mips32_to_micromips_reg_b_map): New macro.
+ (mips32_to_micromips_reg_c_map): Likewise.
+ (mips32_to_micromips_reg_d_map): Likewise.
+ (mips32_to_micromips_reg_e_map): Likewise.
+ (mips32_to_micromips_reg_f_map): Likewise.
+ (mips32_to_micromips_reg_g_map): Likewise.
+ (mips32_to_micromips_reg_l_map): Likewise.
+ (mips32_to_micromips_reg_n_map): Likewise.
+ (mips32_to_micromips_reg_h_map): New variable.
+ (mips32_to_micromips_reg_m_map): Likewise.
+ (mips32_to_micromips_reg_q_map): Likewise.
+ (micromips_to_32_reg_h_map): New variable.
+ (micromips_to_32_reg_i_map): Likewise.
+ (micromips_to_32_reg_m_map): Likewise.
+ (micromips_to_32_reg_q_map): Likewise.
+ (micromips_to_32_reg_b_map): New macro.
+ (micromips_to_32_reg_c_map): Likewise.
+ (micromips_to_32_reg_d_map): Likewise.
+ (micromips_to_32_reg_e_map): Likewise.
+ (micromips_to_32_reg_f_map): Likewise.
+ (micromips_to_32_reg_g_map): Likewise.
+ (micromips_to_32_reg_l_map): Likewise.
+ (micromips_to_32_reg_n_map): Likewise.
+ (micromips_imm_b_map, micromips_imm_c_map): New macros.
+ (RELAX_DELAY_SLOT_16BIT): New macro.
+ (RELAX_DELAY_SLOT_SIZE_FIRST): Likewise.
+ (RELAX_DELAY_SLOT_SIZE_SECOND): Likewise.
+ (RELAX_MICROMIPS_ENCODE, RELAX_MICROMIPS_P): New macros.
+ (RELAX_MICROMIPS_TYPE, RELAX_MICROMIPS_AT): Likewise.
+ (RELAX_MICROMIPS_U16BIT, RELAX_MICROMIPS_UNCOND): Likewise.
+ (RELAX_MICROMIPS_COMPACT, RELAX_MICROMIPS_LINK): Likewise.
+ (RELAX_MICROMIPS_RELAX32, RELAX_MICROMIPS_TOOFAR16): Likewise.
+ (RELAX_MICROMIPS_MARK_TOOFAR16): Likewise.
+ (RELAX_MICROMIPS_CLEAR_TOOFAR16): Likewise.
+ (RELAX_MICROMIPS_TOOFAR32): Likewise.
+ (RELAX_MICROMIPS_MARK_TOOFAR32): Likewise.
+ (RELAX_MICROMIPS_CLEAR_TOOFAR32): Likewise.
+ (INSERT_OPERAND, EXTRACT_OPERAND): Handle microMIPS ASE.
+ (mips_macro_warning): Add delay_slot_16bit_p, delay_slot_32bit_p,
+ fsize and insns.
+ (mips_mark_labels): New function.
+ (mips16_small, mips16_ext): Remove variables, replacing with...
+ (forced_insn_size): ... this.
+ (append_insn, mips16_ip): Update accordingly.
+ (micromips_insn_length): New function.
+ (insn_length): Return the length of microMIPS instructions.
+ (mips_record_mips16_mode): Rename to...
+ (mips_record_compressed_mode): ... this. Handle microMIPS ASE.
+ (install_insn): Handle microMIPS ASE.
+ (reglist_lookup): New function.
+ (is_size_valid, is_delay_slot_valid): Likewise.
+ (md_begin): Handle microMIPS ASE.
+ (md_assemble): Likewise. Update for append_insn interface change.
+ (micromips_reloc_p): New function.
+ (got16_reloc_p): Handle microMIPS ASE.
+ (hi16_reloc_p): Likewise.
+ (lo16_reloc_p): Likewise.
+ (jmp_reloc_p): New function.
+ (jalr_reloc_p): Likewise.
+ (matching_lo_reloc): Handle microMIPS ASE.
+ (insn_uses_reg, reg_needs_delay): Likewise.
+ (mips_move_labels): Likewise.
+ (mips16_mark_labels): Rename to...
+ (mips_compressed_mark_labels): ... this. Handle microMIPS ASE.
+ (gpr_mod_mask): New function.
+ (gpr_read_mask, gpr_write_mask): Handle microMIPS ASE.
+ (fpr_read_mask, fpr_write_mask): Likewise.
+ (insns_between, nops_for_vr4130, nops_for_insn): Likewise.
+ (fix_loongson2f_nop, fix_loongson2f_jump): Likewise.
+ (MICROMIPS_LABEL_CHAR): New macro.
+ (micromips_target_label, micromips_target_name): New variables.
+ (micromips_label_name, micromips_label_expr): New functions.
+ (micromips_label_inc, micromips_add_label): Likewise.
+ (mips_label_is_local): Likewise.
+ (micromips_map_reloc): Likewise.
+ (can_swap_branch_p): Handle microMIPS ASE.
+ (append_insn): Add expansionp argument. Handle microMIPS ASE.
+ (start_noreorder, end_noreorder): Handle microMIPS ASE.
+ (macro_start, macro_warning, macro_end): Likewise.
+ (brk_fmt, cop12_fmt, jalr_fmt, lui_fmt): New variables.
+ (mem12_fmt, mfhl_fmt, shft_fmt, trap_fmt): Likewise.
+ (BRK_FMT, COP12_FMT, JALR_FMT, LUI_FMT): New macros.
+ (MEM12_FMT, MFHL_FMT, SHFT_FMT, TRAP_FMT): Likewise.
+ (macro_build): Handle microMIPS ASE. Update for append_insn
+ interface change.
+ (mips16_macro_build): Update for append_insn interface change.
+ (macro_build_jalr): Handle microMIPS ASE.
+ (macro_build_lui): Likewise. Simplify.
+ (load_register): Handle microMIPS ASE.
+ (load_address): Likewise.
+ (move_register): Likewise.
+ (macro_build_branch_likely): New function.
+ (macro_build_branch_ccl): Likewise.
+ (macro_build_branch_rs): Likewise.
+ (macro_build_branch_rsrt): Likewise.
+ (macro): Handle microMIPS ASE.
+ (validate_micromips_insn): New function.
+ (expr_const_in_range): Likewise.
+ (mips_ip): Handle microMIPS ASE.
+ (options): Add OPTION_MICROMIPS and OPTION_NO_MICROMIPS.
+ (md_longopts): Add mmicromips and mno-micromips.
+ (md_parse_option): Handle OPTION_MICROMIPS and
+ OPTION_NO_MICROMIPS.
+ (mips_after_parse_args): Handle microMIPS ASE.
+ (md_pcrel_from): Handle microMIPS relocations.
+ (mips_force_relocation): Likewise.
+ (md_apply_fix): Likewise.
+ (mips_align): Handle microMIPS ASE.
+ (s_mipsset): Likewise.
+ (s_cpload, s_cpsetup, s_cpreturn): Use relocation wrappers.
+ (s_dtprel_internal): Likewise.
+ (s_gpword, s_gpdword): Likewise.
+ (s_insn): Handle microMIPS ASE.
+ (s_mips_stab): Likewise.
+ (relaxed_micromips_32bit_branch_length): New function.
+ (relaxed_micromips_16bit_branch_length): New function.
+ (md_estimate_size_before_relax): Handle microMIPS ASE.
+ (mips_fix_adjustable): Likewise.
+ (tc_gen_reloc): Handle microMIPS relocations.
+ (mips_relax_frag): Handle microMIPS ASE.
+ (md_convert_frag): Likewise.
+ (mips_frob_file_after_relocs): Likewise.
+ (mips_elf_final_processing): Likewise.
+ (mips_nop_opcode): Likewise.
+ (mips_handle_align): Likewise.
+ (md_show_usage): Handle microMIPS options.
+ * symbols.c (TC_LABEL_IS_LOCAL): New macro.
+ (S_IS_LOCAL): Add a TC_LABEL_IS_LOCAL check.
+
+ * doc/as.texinfo (Target MIPS options): Add -mmicromips and
+ -mno-micromips.
+ (-mmicromips, -mno-micromips): New options.
+ * doc/c-mips.texi (-mmicromips, -mno-micromips): New options.
+ (MIPS ISA): Document .set micromips and .set nomicromips.
+ (MIPS insn): Update for microMIPS support.
+
2011-07-24 Maciej W. Rozycki <macro@codesourcery.com>
* config/tc-mips.c (mips_ip): Make a copy of the instruction's
projects / deliverable / binutils-gdb.git / blobdiff