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37 lines
1.4 KiB
C
37 lines
1.4 KiB
C
/*
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Copyright (C) 2001,2006 StrmnNrmn
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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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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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 CORE_R4300INSTRUCTION_H_
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#define CORE_R4300INSTRUCTION_H_
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#include "Base/Types.h"
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// Through various tests, it seems the compiler generates much better code by
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// passing the opcode as a primitive datatype (as it can stick the value directly
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// in a register rather than passing it via the stack). Unfortunately we have to
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// create a temporary to be able to pull the various fields from the opcode, but
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// the compiler is clever enough to optimiste this overhead away.
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#define R4300_CALL_SIGNATURE u32 op_code_bits [[maybe_unused]]
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#define R4300_CALL_ARGUMENTS op_code_bits
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typedef void ( *CPU_Instruction )( R4300_CALL_SIGNATURE );
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#endif // CORE_R4300INSTRUCTION_H_
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