Last change
on this file since 66d878a was
b0b1e15,
checked in by Thierry Delisle <tdelisle@…>, 4 years ago
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fix timestamp generation for arm inside the compiler
|
-
Property mode set to
100644
|
File size:
1.4 KB
|
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1 | // |
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2 | // Cforall Version 1.0.0 Copyright (C) 2019 University of Waterloo |
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3 | // |
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4 | // The contents of this file are covered under the licence agreement in the |
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5 | // file "LICENCE" distributed with Cforall. |
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6 | // |
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7 | // ResolveTime.cc -- |
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8 | // |
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9 | // Author : Thierry Delisle |
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10 | // Created On : Wed Sep 16 15:45:51 2020 |
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11 | // Last Modified By : |
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12 | // Last Modified On : |
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13 | // Update Count : |
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14 | // |
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15 | |
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16 | #include "ResolveTime.h" |
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17 | |
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18 | #include <fstream> |
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19 | #include <iomanip> |
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20 | |
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21 | #include "AST/Fwd.hpp" |
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22 | #include "AST/Expr.hpp" |
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23 | #include "AST/Print.hpp" |
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24 | #include "AST/Type.hpp" |
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25 | |
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26 | namespace Stats { |
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27 | namespace ResolveTime { |
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28 | static inline long long rdtscl(void) { |
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29 | #if defined( __i386 ) || defined( __x86_64 ) |
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30 | unsigned int lo, hi; |
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31 | __asm__ __volatile__ ("rdtsc" : "=a"(lo), "=d"(hi)); |
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32 | return ( (unsigned long long)lo)|( ((unsigned long long)hi)<<32 ); |
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33 | #elif defined( __aarch64__ ) |
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34 | int64_t value; |
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35 | asm volatile("mrs %0, cntvct_el0" : "=r"(value)); |
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36 | return value; |
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37 | #else |
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38 | #error unknown hardware architecture |
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39 | #endif |
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40 | } |
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41 | |
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42 | extern bool enabled; |
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43 | bool started = false; |
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44 | long long before; |
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45 | std::ostream & out = std::cout; |
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46 | |
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47 | void start( const ast::Expr * expr ) { |
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48 | if(enabled) { |
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49 | assert(!started); |
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50 | started = true; |
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51 | |
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52 | out << expr->location << " : "; |
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53 | |
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54 | before = rdtscl(); |
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55 | } |
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56 | } |
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57 | void stop() { |
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58 | if(enabled) { |
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59 | assert(started); |
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60 | auto after = rdtscl(); |
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61 | out << (after - before) << std::endl; |
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62 | |
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63 | started = false; |
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64 | } |
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65 | } |
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66 | }; |
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67 | }; |
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