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    [SUYA] ひみつ :blabcatverified: (ivesen@miniwa.moe)'s status on Friday, 11-Apr-2025 03:15:20 JST[SUYA] ひみつ :blabcatverified:[SUYA] ひみつ :blabcatverified:
    in reply to
    • Haelwenn /элвэн/ :triskell:
    • :umu: :umu:
    @lanodan @a1ba seems the BE->LE method suggested by the blog in question isn't optimized, while the byteswap that's argued against is.
    will this ever matter? :blobshrug:

    https://godbolt.org/z/bYcvcvMvh
    In conversationabout 2 months ago from gnusocial.jppermalink

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      Compiler Explorer - C
      from Matt Godbolt
      int func(char *data){ int i = (data[3]<<0) | (data[2]<<8) | (data[1]<<16) | (data[0]<<24); return i; } int func2(char *data) { int i = *((int*)data); /* swap the bytes */ i = ((i&0xFF)<<24) | (((i>>8)&0xFF)<<16) | (((i>>16)&0xFF)<<8) | (((i>>24)&0xFF)<<0); return i; } int func3(char *data) { int i = *((int*)data); return ntohl(i); }
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