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* config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4, xtensa_b4const): Delete prototypes. (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu, xtensa_mask_immediate, xtensa_mem_offset): Update prototypes. (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p, xtensa_extra_constraint): New prototypes. (add_operand, arith_operand, nonimmed_operand, mem_operand, mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand, lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand, move_operand, const_float_1_operand, fpmem_offset_operand, branch_operator, ubranch_operator, boolean_operator): Delete prototypes. * config/xtensa/xtensa.c (b4const_or_zero): Rename to ... (xtensa_b4const_or_zero): ...this. Change return type to bool and argument type to HOST_WIDE_INT. (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_mask_immediate): Likewise. (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const): Likewise. Also make these functions static. (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete. (xtensa_const_ok_for_letter_p): New. (add_operand, arith_operand, nonimmed_operand, mem_operand, mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand, lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand, move_operand, const_float_1_operand, fpmem_offset_operand, branch_operator, ubranch_operator, boolean_operator): Move to predicates.md. (smalloffset_mem_p): Inline code from xtensa_lsi4x4. (xtensa_mem_offset): Change return type to bool. (xtensa_extra_constraint): New. (gen_int_relational): Update type of const_range_p function pointer. Use xtensa_b4const_or_zero. * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to xtensa_const_ok_for_letter_p. Update comments. (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint. (PREDICATE_CODES): Delete. * config/xtensa/xtensa.md: Include predicates.md. * config/xtensa/predicates.md: New file. From-SVN: r96824
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