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This PR first adds osutils for Windows, and changes some libc code to make libc and its tests build on the Windows target. It then temporarily disables some libc tests that are currently problematic on Windows. Specifically, the changes besides the addition of osutils include: - Macro `LIBC_TYPES_HAS_FLOAT16` is disabled on Windows. `clang-cl` generates calls to functions in `compiler-rt` to handle float16 arithmetic and these functions are currently not linked in on Windows. - Macro `LIBC_TYPES_HAS_INT128` is disabled on Windows. - The invocation to `::aligned_malloc` is changed to an invocation to `::_aligned_malloc`. - The following unit tests are temporarily disabled because they currently fail on Windows: - `test.src.__support.big_int_test` - `test.src.__support.arg_list_test` - `test.src.fenv.getenv_and_setenv_test` - Tests involving `__m128i`, `__m256i`, and `__m512i` in `test.src.string.memory_utils.op_tests.cpp` - `test_range_errors` in `libc/test/src/math/smoke/AddTest.h` and `libc/test/src/math/smoke/SubTest.h`
LLVM libc ========= This directory and its subdirectories contain source code for llvm-libc, a retargetable implementation of the C standard library. LLVM is open source software. You may freely distribute it under the terms of the license agreement found in LICENSE.txt.