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

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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.

Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
Reviewed-by: Sam James <sam@gentoo.org>
(cherry picked from commit 5a4573be6f96ff49111bb6cae767676b5aafa7a8)
This commit is contained in:
H.J. Lu 2025-02-20 07:08:26 +08:00
parent 1e0e33e1b1
commit a900dbaf70
1 changed files with 6 additions and 2 deletions
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8
sysdeps/x86/bits/floatn.h
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@ -25,11 +25,15 @@
floating-point type with the IEEE 754 binary128 format, and this
glibc includes corresponding *f128 interfaces for it. The required
libgcc support was added some time after the basic compiler
support, for x86_64 and x86. */
support, for x86_64 and x86. Intel SYCL compiler doesn't support
_Float128: https://github.com/intel/llvm/issues/16903
*/
#if (defined __x86_64__ \
? __GNUC_PREREQ (4, 3) \
: (defined __GNU__ ? __GNUC_PREREQ (4, 5) : __GNUC_PREREQ (4, 4))) \
|| __glibc_clang_prereq (3, 4)
|| (__glibc_clang_prereq (3, 4) \
&& (!defined __INTEL_LLVM_COMPILER \
|| !defined SYCL_LANGUAGE_VERSION))
# define __HAVE_FLOAT128 1
#else
# define __HAVE_FLOAT128 0