Re: [Qemu-devel] [PATCH] fpu/softfloat: Replace countLeadingZeros32/64 with clz32/64

[Richard Henderson]

On 9/28/18 2:01 AM, Thomas Huth wrote:
> Our minimum required compiler for compiling QEMU is GCC 4.1 these days,
> so we can drop the support for compilers which do not provide the
> __builtin_clz*() functions yet. Since the countLeadingZeros32/64 are
> then identical to the clz32/64 functions, and we do not have to sync
> the softloat 2 codebase with upstream anymore (softloat 3 is a complete
> rewrite) we can simply replace the functions with our QEMU versions.
> 
> Suggested-by: Peter Maydell <address@hidden>
> Signed-off-by: Thomas Huth <address@hidden>
> ---
>  fpu/softfloat.c                | 26 ++++++-------
>  include/fpu/softfloat-macros.h | 87 
> ------------------------------------------
>  2 files changed, 13 insertions(+), 100 deletions(-)

Reviewed-by: Richard Henderson <address@hidden>


r~