Stefan Werner

Results 2 issues of Stefan Werner

**Describe the bug** Code that uses `sycl::ext::oneapi::group_ballot` will fail with a linker error when compiling to `amdgcn-amd-amdhsa`. Error message: `lld: error: undefined hidden symbol: __spirv_GroupNonUniformBallot(unsigned int, bool)` **To Reproduce** 1....

bug
hip
compiler

SPV_KHR_bit_instructions is required when using __builtin_bitreverse32(). SYCL code that was compiled without that extension enabled and would fail when __builtin_bitreverse32() were present in source.