On 28/09/2020 15.19, Philippe Mathieu-Daudé wrote:
> Since commit efc6c070aca ("configure: Add a test for the minimum
> compiler version") the minimum compiler version required for GCC
> is 4.8, which supports __builtin_bswap().
> Remove the Haiku specific ifdef'ry.
> 
> This reverts commit 652a46ebba970017c7a23767dcc983265cdb8eb7
> ("bswap.h: Include <endian.h> on Haiku for bswap operations").
> 
> Signed-off-by: Philippe Mathieu-Daudé <phi...@redhat.com>
> ---
> Cc: David Carlier <devne...@gmail.com>
> Cc: Carlo Arenas <care...@gmail.com>
> ---
>  include/qemu/bswap.h | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/include/qemu/bswap.h b/include/qemu/bswap.h
> index 55916670d39..719d620bfe6 100644
> --- a/include/qemu/bswap.h
> +++ b/include/qemu/bswap.h
> @@ -8,8 +8,6 @@
>  # include <machine/bswap.h>
>  #elif defined(__FreeBSD__)
>  # include <sys/endian.h>
> -#elif defined(__HAIKU__)
> -# include <endian.h>
>  #else
>  #undef  bswap16
>  #define bswap16(_x) __builtin_bswap16(_x)

Why don't we simply always use the builtin functions on all systems? I
assume the compiler can handle these the best in all cases... or do you
see any advantage in using <machine/bswap.h> or <sys/endian.h> in
certain cases?

 Thomas


 Thomas


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