[PATCH] x86 (__HAVE_FLOAT128): Defined to 0 for Intel SYCL compiler [BZ #32723]

[Sam James]

"H.J. Lu" <hjl.tools@gmail.com> writes:

> Intel compiler always defines __INTEL_LLVM_COMPILER.  When SYCL is
> enabled by -fsycl, it also defines SYCL_LANGUAGE_VERSION.  Since Intel
> SYCL compiler doesn't support _Float128:
>
> https://github.com/intel/llvm/issues/16903
>
> define __HAVE_FLOAT128 to 0 for Intel SYCL compiler.
>
> This fixes BZ #32723.

LGTM. Thanks.