Last change
on this file since f9ad69d was
812ba3d,
checked in by Andrew Beach <ajbeach@…>, 3 years ago
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Some clean-up to make Peter's changes to the exception benchmarks fit in better. And make test.sh a bit more robust.
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-
Property mode set to
100644
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File size:
1002 bytes
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1 | // Resume Across Empty Function |
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2 | #include <clock.hfa> |
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3 | #include <exception.hfa> |
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4 | #include <fstream.hfa> |
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5 | #include <stdlib.hfa> |
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6 | |
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7 | exception fixup_exception { |
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8 | int & fixup; |
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9 | }; |
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10 | vtable(fixup_exception) fixup_vt; |
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11 | |
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12 | void nounwind_empty(unsigned int frames) { |
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13 | if (frames) { |
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14 | nounwind_empty(frames - 1); |
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15 | // "Always" false, but prevents recursion elimination. |
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16 | if (-1 == frames) printf("~"); |
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17 | } else { |
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18 | int fixup = 17; |
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19 | throwResume (fixup_exception){&fixup_vt, fixup}; |
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20 | } |
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21 | } |
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22 | |
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23 | int main(int argc, char * argv[]) { |
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24 | unsigned int times = 1; |
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25 | unsigned int total_frames = 1; |
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26 | if (1 < argc) { |
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27 | times = strto(argv[1], 0p, 10); |
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28 | } |
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29 | if (2 < argc) { |
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30 | total_frames = strto(argv[2], 0p, 10); |
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31 | } |
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32 | |
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33 | Time start_time = timeHiRes(); |
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34 | for (unsigned int count = 0 ; count < times ; ++count) { |
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35 | try { |
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36 | nounwind_empty(total_frames); |
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37 | } catchResume (fixup_exception * ex) { |
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38 | ex->fixup = total_frames + 42; |
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39 | } |
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40 | } |
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41 | Time end_time = timeHiRes(); |
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42 | sout | "Run-Time (s): " | wd(0,1, (end_time - start_time)`ns / 1_000_000_000.); |
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43 | } |
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