1/*
2 * Copyright (c) 2010 ARM Limited
3 * All rights reserved
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software

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40#ifndef __ARCH_ARM_INSTS_VFP_HH__
41#define __ARCH_ARM_INSTS_VFP_HH__
42
43#include "arch/arm/insts/misc.hh"
44#include "arch/arm/miscregs.hh"
45#include <fenv.h>
46#include <cmath>
47
48enum VfpMicroMode {
49 VfpNotAMicroop,
50 VfpMicroop,
51 VfpFirstMicroop,
52 VfpLastMicroop
53};
54
55template<class T>

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117template <class fpType>
118static inline void
119vfpFlushToZero(uint32_t &fpscr, fpType &op1, fpType &op2)
120{
121 vfpFlushToZero(fpscr, op1);
122 vfpFlushToZero(fpscr, op2);
123}
124
125static inline uint64_t
126vfpFpSToFixed(float val, bool isSigned, bool half, uint8_t imm)
127{
128 fesetround(FeRoundZero);
129 val = val * powf(2.0, imm);
130 __asm__ __volatile__("" : "=m" (val) : "m" (val));
131 feclearexcept(FeAllExceptions);
132 __asm__ __volatile__("" : "=m" (val) : "m" (val));
133 float origVal = val;

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476 IntRegIndex _dest, IntRegIndex _op1, IntRegIndex _op2,
477 VfpMicroMode mode = VfpNotAMicroop) :
478 RegRegRegOp(mnem, _machInst, __opClass, _dest, _op1, _op2)
479 {
480 setVfpMicroFlags(mode, flags);
481 }
482};
483
484#endif //__ARCH_ARM_INSTS_VFP_HH__