Make numerous improvements

- Python static hello world now 1.8mb
- Python static fully loaded now 10mb
- Python HTTPS client now uses MbedTLS
- Python REPL now completes import stmts
- Increase stack size for Python for now
- Begin synthesizing posixpath and ntpath
- Restore Python \N{UNICODE NAME} support
- Restore Python NFKD symbol normalization
- Add optimized code path for Intel SHA-NI
- Get more Python unit tests passing faster
- Get Python help() pagination working on NT
- Python hashlib now supports MbedTLS PBKDF2
- Make memcpy/memmove/memcmp/bcmp/etc. faster
- Add Mersenne Twister and Vigna to LIBC_RAND
- Provide privileged __printf() for error code
- Fix zipos opendir() so that it reports ENOTDIR
- Add basic chmod() implementation for Windows NT
- Add Cosmo's best functions to Python cosmo module
- Pin function trace indent depth to that of caller
- Show memory diagram on invalid access in MODE=dbg
- Differentiate stack overflow on crash in MODE=dbg
- Add stb_truetype and tools for analyzing font files
- Upgrade to UNICODE 13 and reduce its binary footprint
- COMPILE.COM now logs resource usage of build commands
- Start implementing basic poll() support on bare metal
- Set getauxval(AT_EXECFN) to GetModuleFileName() on NT
- Add descriptions to strerror() in non-TINY build modes
- Add COUNTBRANCH() macro to help with micro-optimizations
- Make error / backtrace / asan / memory code more unbreakable
- Add fast perfect C implementation of μ-Law and a-Law audio codecs
- Make strtol() functions consistent with other libc implementations
- Improve Linenoise implementation (see also github.com/jart/bestline)
- COMPILE.COM now suppresses stdout/stderr of successful build commands

third_party/python/Objects/stringlib/eq.inc

@@ -16,18 +16,17 @@ unicode_eq(PyObject *aa, PyObject *bb)
 {
     PyUnicodeObject *a = (PyUnicodeObject *)aa;
     PyUnicodeObject *b = (PyUnicodeObject *)bb;
-
-    if (PyUnicode_READY(a) == -1 || PyUnicode_READY(b) == -1) {
+    if (UNLIKELY(PyUnicode_READY(a) == -1) ||
+        UNLIKELY(PyUnicode_READY(b) == -1)) {
         assert(0 && "unicode_eq ready fail");
         return 0;
     }
-
-    if (PyUnicode_GET_LENGTH(a) != PyUnicode_GET_LENGTH(b))
+    if (UNLIKELY(PyUnicode_GET_LENGTH(a) != PyUnicode_GET_LENGTH(b)))
         return 0;
-    if (PyUnicode_GET_LENGTH(a) == 0)
+    if (UNLIKELY(PyUnicode_GET_LENGTH(a) == 0))
         return 1;
-    if (PyUnicode_KIND(a) != PyUnicode_KIND(b))
+    if (UNLIKELY(PyUnicode_KIND(a) != PyUnicode_KIND(b)))
         return 0;
-    return memcmp(PyUnicode_1BYTE_DATA(a), PyUnicode_1BYTE_DATA(b),
-                  PyUnicode_GET_LENGTH(a) * PyUnicode_KIND(a)) == 0;
+    return bcmp(PyUnicode_1BYTE_DATA(a), PyUnicode_1BYTE_DATA(b),
+                PyUnicode_GET_LENGTH(a) * PyUnicode_KIND(a)) == 0;
 }

third_party/python/Objects/stringlib/undef.inc

@@ -4,16 +4,14 @@
 │ Python 3                                                                     │
 │ https://docs.python.org/3/license.html                                       │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-/* clang-format off */
 
-#undef  FASTSEARCH
-#undef  STRINGLIB
-#undef  STRINGLIB_SIZEOF_CHAR
-#undef  STRINGLIB_MAX_CHAR
-#undef  STRINGLIB_CHAR
-#undef  STRINGLIB_STR
-#undef  STRINGLIB_LEN
-#undef  STRINGLIB_NEW
-#undef  _Py_InsertThousandsGrouping
+#undef FASTSEARCH
+#undef STRINGLIB
+#undef STRINGLIB_SIZEOF_CHAR
+#undef STRINGLIB_MAX_CHAR
+#undef STRINGLIB_CHAR
+#undef STRINGLIB_STR
+#undef STRINGLIB_LEN
+#undef STRINGLIB_NEW
+#undef _Py_InsertThousandsGrouping
 #undef STRINGLIB_IS_UNICODE
-