Remember glibc's awful, slower-than-generic-C pthread asm? It only happens to work if (C) callee doesn't clobber eax https://sourceware.org/ml/libc-alpha/2016-03/msg00160.html …
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Replying to @RichFelker
@RichFelker slower than generic C? wow, that's astoundingly daft, and also strange as heck (out of curiosity, got any links to benchmarks?)1 reply 0 retweets 0 likes -
Replying to @RichFelker
@RichFelker yeah, that makes a lot of sense. I assume it's in asm because direct futex syscall, but why not just inline that?1 reply 0 retweets 0 likes -
Replying to @bofh453
@RichFelker first rule of asm coding is you only code in asm when needed, can't believe they'd violate that rule, wow.1 reply 0 retweets 1 like
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