[Bug 2803] uClibc should use __builtin_bswap{32, 64} on at least some archs

bugzilla at busybox.net bugzilla at busybox.net
Thu Apr 19 03:46:29 UTC 2012


https://bugs.busybox.net/show_bug.cgi?id=2803

Mike Frysinger <vapier at gentoo.org> changed:

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--- Comment #2 from Mike Frysinger <vapier at gentoo.org> 2012-04-19 03:46:29 UTC ---
Comment on attachment 2665
  --> https://bugs.busybox.net/attachment.cgi?id=2665
[PATCH] byteswap: use compiler builtins if available

i don't think it should be blindly overriding the arch code.  using the
builtins should be done only if the arch hasn't selected it.

look at glibc's bits/byteswap.h.

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