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66 lines
2.7 KiB
66 lines
2.7 KiB
/*
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* jit-reg-alloc.h - Register allocation routines for the JIT.
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*
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* Copyright (C) 2004 Southern Storm Software, Pty Ltd.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef _JIT_REG_ALLOC_H
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#define _JIT_REG_ALLOC_H
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#include "jit-rules.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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void _jit_regs_init_for_block(jit_gencode_t gen);
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int _jit_regs_needs_long_pair(jit_type_t type);
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int _jit_regs_get_cpu(jit_gencode_t gen, int reg, int *other_reg);
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void _jit_regs_spill_all(jit_gencode_t gen);
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int _jit_regs_want_reg(jit_gencode_t gen, int reg, int for_long);
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void _jit_regs_free_reg(jit_gencode_t gen, int reg, int value_used);
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void _jit_regs_set_value
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(jit_gencode_t gen, int reg, jit_value_t value, int still_in_frame);
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void _jit_regs_set_incoming(jit_gencode_t gen, int reg, jit_value_t value);
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void _jit_regs_set_outgoing(jit_gencode_t gen, int reg, jit_value_t value);
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int _jit_regs_is_top(jit_gencode_t gen, jit_value_t value);
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int _jit_regs_is_top_two
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(jit_gencode_t gen, jit_value_t value1, jit_value_t value2);
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int _jit_regs_load_value
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(jit_gencode_t gen, jit_value_t value, int destroy, int used_again);
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int _jit_regs_dest_value(jit_gencode_t gen, jit_value_t value);
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int _jit_regs_load_to_top
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(jit_gencode_t gen, jit_value_t value, int used_again, int type_reg);
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int _jit_regs_load_to_top_two
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(jit_gencode_t gen, jit_value_t value, jit_value_t value2,
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int used_again1, int used_again2, int type_reg);
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void _jit_regs_load_to_top_three
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(jit_gencode_t gen, jit_value_t value, jit_value_t value2,
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jit_value_t value3, int used_again1, int used_again2,
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int used_again3, int type_reg);
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int _jit_regs_num_used(jit_gencode_t gen, int type_reg);
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int _jit_regs_new_top(jit_gencode_t gen, jit_value_t value, int type_reg);
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void _jit_regs_force_out(jit_gencode_t gen, jit_value_t value, int is_dest);
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void _jit_regs_alloc_global(jit_gencode_t gen, jit_function_t func);
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void _jit_regs_get_reg_pair(jit_gencode_t gen, int not_this1, int not_this2,
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int not_this3, int *reg, int *reg2);
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#ifdef __cplusplus
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};
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#endif
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#endif /* _JIT_REG_ALLOC_H */
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