message: Disable fp16_support test on unsupported configurations
diff: // RUN: %{ispc} %s --target=avx2-i32x8 --arch=x86-64 --emit-llvm-text -o - | FileCheck %s --check-prefixes=CHECK_FP_NO_16,CHECK
  // REQUIRES: XE_ENABLED
  -// REQUIRES: ARM_ENABLED
  // REQUIRES: X86_ENABLED
  +// We do not support ARM targets on Windows.
  +// Not every ISPC build on macOS supports ARM targets.
  +// They are supported only if macOS SDK supports them.
  +// REQUIRES: ARM_ENABLED && !WINDOWS_HOST && (!MACOS_HOST || MACOS_ARM_ENABLED)
  // CHECK_FP_16: void @test_fp16_only(
  // CHECK_FP_NO_16-NOT: void @test_fp16_only(
  