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93 lines
3.3 KiB
93 lines
3.3 KiB
/*********************************************************************** |
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* pfdefs.h |
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* Floating point operation codes |
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* |
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* Copyright (C) 2008-2009 Gregory Nutt. All rights reserved. |
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr> |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* 3. Neither the name NuttX nor the names of its contributors may be |
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* used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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* POSSIBILITY OF SUCH DAMAGE. |
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* |
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***********************************************************************/ |
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#ifndef __PFDEFS_H |
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#define __PFDEFS_H |
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/*********************************************************************** |
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* FLOATING POINT SUB-OPCODES |
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***********************************************************************/ |
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/* This bit may be set in the opcode to indicate that the arguments |
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* is(are) type integer and require(s) conversion. */ |
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#define fpARG1 (0x40) |
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#define fpARG2 (0x80) |
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#define fpMASK (0x3f) |
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#define fpSHIFT 6 |
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/* The "INVALID" floating point operation */ |
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#define fpINVLD (0x00) |
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/* Floating Pointer Conversions (On 16-bit stack argument: FP or Integer) */ |
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#define fpFLOAT (0x01) |
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#define fpTRUNC (0x02) |
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#define fpROUND (0x03) |
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/* Floating Point arithmetic instructions (Two FP 16-bit stack arguments) */ |
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#define fpADD (0x04) |
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#define fpSUB (0x05) |
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#define fpMUL (0x06) |
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#define fpDIV (0x07) |
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#define fpMOD (0x08) |
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/* Floating Point Comparisons (Two FP 16-bit stack arguments) */ |
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#define fpEQU (0x0a) |
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#define fpNEQ (0x0b) |
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#define fpLT (0x0c) |
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#define fpGTE (0x0d) |
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#define fpGT (0x0e) |
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#define fpLTE (0x0f) |
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/* Floating Point arithmetic instructions (One FP 16-bit stack arguments) */ |
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#define fpNEG (0x10) |
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#define fpABS (0x11) |
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#define fpSQR (0x12) |
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#define fpSQRT (0x13) |
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#define fpSIN (0x14) |
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#define fpCOS (0x15) |
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#define fpATAN (0x16) |
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#define fpLN (0x17) |
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#define fpEXP (0x18) |
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#define MAX_FOP (0x19) /* Number of floating point operations */ |
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#endif /* __PFDEFS_H */
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