utility.hh (11723:0596db108c53) utility.hh (11725:eb58f1bbeac8)
1/*
2 * Copyright (c) 2013 ARM Limited
3 * Copyright (c) 2014-2015 Sven Karlsson
4 * All rights reserved
5 *
6 * The license below extends only to copyright in the software and shall
7 * not be construed as granting a license to any other intellectual
8 * property including but not limited to intellectual property relating

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51
52#include "base/types.hh"
53#include "cpu/static_inst.hh"
54#include "cpu/thread_context.hh"
55
56namespace RiscvISA
57{
58
1/*
2 * Copyright (c) 2013 ARM Limited
3 * Copyright (c) 2014-2015 Sven Karlsson
4 * All rights reserved
5 *
6 * The license below extends only to copyright in the software and shall
7 * not be construed as granting a license to any other intellectual
8 * property including but not limited to intellectual property relating

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51
52#include "base/types.hh"
53#include "cpu/static_inst.hh"
54#include "cpu/thread_context.hh"
55
56namespace RiscvISA
57{
58
59template<typename T> inline bool
60isquietnan(T val)
61{
62 return false;
63}
64
65template<> inline bool
66isquietnan<float>(float val)
67{
68 return std::isnan(val)
69 && (reinterpret_cast<uint32_t&>(val)&0x00400000);
70}
71
72template<> inline bool
73isquietnan<double>(double val)
74{
75 return std::isnan(val)
76 && (reinterpret_cast<uint64_t&>(val)&0x0008000000000000ULL);
77}
78
79template<typename T> inline bool
80issignalingnan(T val)
81{
82 return false;
83}
84
85template<> inline bool
86issignalingnan<float>(float val)
87{
88 return std::isnan(val)
89 && (reinterpret_cast<uint32_t&>(val)&0x00200000);
90}
91
92template<> inline bool
93issignalingnan<double>(double val)
94{
95 return std::isnan(val)
96 && (reinterpret_cast<uint64_t&>(val)&0x0004000000000000ULL);
97}
98
59inline PCState
60buildRetPC(const PCState &curPC, const PCState &callPC)
61{
62 PCState retPC = callPC;
63 retPC.advance();
64 retPC.pc(curPC.npc());
65 return retPC;
66}

--- 55 unchanged lines hidden --- 		99inline PCState
100buildRetPC(const PCState &curPC, const PCState &callPC)
101{
102 PCState retPC = callPC;
103 retPC.advance();
104 retPC.pc(curPC.npc());
105 return retPC;
106}

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