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

tool/build/lib/reset.c

@@ -58,7 +58,7 @@ static void ResetSse(struct Machine *m) {
   m->sse.pm = true;
   m->sse.rc = RINT;
   m->sse.ftz = false;
-  memset(m->xmm, 0, sizeof(m->xmm));
+  bzero(m->xmm, sizeof(m->xmm));
 }
 
 void ResetInstructionCache(struct Machine *m) {
@@ -81,16 +81,16 @@ void ResetCpu(struct Machine *m) {
   m->flags = SetFlag(m->flags, FLAGS_F1, true);
   m->flags = SetFlag(m->flags, FLAGS_F0, false);
   m->flags = SetFlag(m->flags, FLAGS_IOPL, 3);
-  memset(m->reg, 0, sizeof(m->reg));
-  memset(m->bofram, 0, sizeof(m->bofram));
-  memset(&m->freelist, 0, sizeof(m->freelist));
+  bzero(m->reg, sizeof(m->reg));
+  bzero(m->bofram, sizeof(m->bofram));
+  bzero(&m->freelist, sizeof(m->freelist));
   ResetSse(m);
   ResetFpu(m);
 }
 
 void ResetTlb(struct Machine *m) {
   m->tlbindex = 0;
-  memset(m->tlb, 0, sizeof(m->tlb));
+  bzero(m->tlb, sizeof(m->tlb));
   m->codevirt = 0;
   m->codehost = 0;
 }