947716c187
MIPS[32|64]R6 is binary and source incompatible with previous MIPS ISA specifications. Fortunately it's still possible to resolve differences in source code with standard pre-processor and switching to trap-free version of addition and subtraction instructions. Reviewed-by: Richard Levitte <levitte@openssl.org>
40 lines
1.2 KiB
C
40 lines
1.2 KiB
C
/*
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* Copyright 2011-2016 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the OpenSSL license (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#ifndef __MIPS_ARCH_H__
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# define __MIPS_ARCH_H__
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# if (defined(__mips_smartmips) || defined(_MIPS_ARCH_MIPS32R3) || \
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defined(_MIPS_ARCH_MIPS32R5) || defined(_MIPS_ARCH_MIPS32R6))
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&& !defined(_MIPS_ARCH_MIPS32R2)
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# define _MIPS_ARCH_MIPS32R2
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# endif
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# if (defined(_MIPS_ARCH_MIPS64R3) || defined(_MIPS_ARCH_MIPS64R5) || \
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defined(_MIPS_ARCH_MIPS64R6)) \
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&& !defined(_MIPS_ARCH_MIPS64R2)
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# define _MIPS_ARCH_MIPS64R2
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# endif
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# if defined(_MIPS_ARCH_MIPS64R6)
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# define dmultu(rs,rt)
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# define mflo(rd,rs,rt) dmulu rd,rs,rt
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# define mfhi(rd,rs,rt) dmuhu rd,rs,rt
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# elif defined(_MIPS_ARCH_MIPS32R6)
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# define multu(rs,rt)
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# define mflo(rd,rs,rt) mulu rd,rs,rt
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# define mfhi(rd,rs,rt) muhu rd,rs,rt
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# else
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# define dmultu(rs,rt) dmultu rs,rt
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# define multu(rs,rt) multu rs,rt
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# define mflo(rd,rs,rt) mflo rd
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# define mfhi(rd,rs,rt) mfhi rd
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# endif
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#endif
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