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pratk

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Joined
Thu, Jul 07, 2022, 10:08 AM UTC
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About pratk

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Recent public activity

  1. story
  2. comment
    Comment #33784337

    Well C does allow "copying" an array if it's wrapped inside a struct, which does not make it O(1). gcc generates calls to memcpy in assembly for copying the array.

  3. comment
    Comment #33784286

    One C idiom that I found pretty useful is Xmacros [1]. For instance, it's used extensively in GCC code-base (.def files). [1] https://www.drdobbs.com/the-new-c-x-macros/184401387

  4. comment
    Comment #32808169

    I work at a company that has been operating remotely since a decade. In our weekly syncs (or 1:1 with manager), there's little to no small talk, and the meeting gets called off if …

  5. comment
    Comment #32460415

    -fwrapv forces the compiler to handle signed overflow with 2's complement. UB essentially means the compiler is free to do anything, and with the option it chooses the wrapping beh…

  6. comment
    Comment #32457575

    Also, the UB can be mitigated with -fwrapv (if desired) to handle overflowing integers with 2's complement

  7. comment
    Comment #32457560

    Well, we have defect reports in language specs too: https://www.open-std.org/jtc1/sc22/wg14/www/docs/summary.htm

  8. comment
    Comment #32012044

    Looks interesting, thanks! Just curious, any plans for supporting SIMD, similar to gcc's vector extensions ?