2289d38115
Summary: Support for PowerPC Architecture Detecting AltiVec Support Closes https://github.com/facebook/rocksdb/pull/2353 Differential Revision: D5210948 Pulled By: siying fbshipit-source-id: 859a8c063d37697addd89ba2b8a14e5efd5d24bf
32 lines
1.3 KiB
C
32 lines
1.3 KiB
C
// Copyright (c) 2017 International Business Machines Corp.
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// All rights reserved.
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// This source code is licensed under the BSD-style license found in the
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// LICENSE file in the root directory of this source tree. An additional grant
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// of patent rights can be found in the PATENTS file in the same directory.
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// This source code is also licensed under the GPLv2 license found in the
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// COPYING file in the root directory of this source tree.
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#ifndef __OPCODES_H
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#define __OPCODES_H
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#define __PPC_RA(a) (((a)&0x1f) << 16)
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#define __PPC_RB(b) (((b)&0x1f) << 11)
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#define __PPC_XA(a) ((((a)&0x1f) << 16) | (((a)&0x20) >> 3))
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#define __PPC_XB(b) ((((b)&0x1f) << 11) | (((b)&0x20) >> 4))
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#define __PPC_XS(s) ((((s)&0x1f) << 21) | (((s)&0x20) >> 5))
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#define __PPC_XT(s) __PPC_XS(s)
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#define VSX_XX3(t, a, b) (__PPC_XT(t) | __PPC_XA(a) | __PPC_XB(b))
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#define VSX_XX1(s, a, b) (__PPC_XS(s) | __PPC_RA(a) | __PPC_RB(b))
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#define PPC_INST_VPMSUMW 0x10000488
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#define PPC_INST_VPMSUMD 0x100004c8
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#define PPC_INST_MFVSRD 0x7c000066
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#define PPC_INST_MTVSRD 0x7c000166
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#define VPMSUMW(t, a, b) .long PPC_INST_VPMSUMW | VSX_XX3((t), a, b)
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#define VPMSUMD(t, a, b) .long PPC_INST_VPMSUMD | VSX_XX3((t), a, b)
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#define MFVRD(a, t) .long PPC_INST_MFVSRD | VSX_XX1((t) + 32, a, 0)
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#define MTVRD(t, a) .long PPC_INST_MTVSRD | VSX_XX1((t) + 32, a, 0)
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#endif
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