Make AARCH64 harder, better, faster, stronger

- Perform some housekeeping on scalar math function code
- Import ARM's Optimized Routines for SIMD string processing
- Upgrade to latest Chromium zlib and enable more SIMD optimizations

third_party/zlib/inftrees.c

@@ -1,3 +1,4 @@
+// clang-format off
 /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:4;tab-width:8;coding:utf-8 -*-│
 │vi: set net ft=c ts=4 sts=4 sw=4 fenc=utf-8                                :vi│
 ╚─────────────────────────────────────────────────────────────────────────────*/
@@ -6,17 +7,16 @@
  * For conditions of distribution and use, see copyright notice in zlib.h
  */
 #include "third_party/zlib/inftrees.internal.h"
+#include "third_party/zlib/zutil.internal.h"
 
 asm(".ident\t\"\\n\\n\
-zlib (zlib License)\\n\
-Copyright 1995-2017 Jean-loup Gailly and Mark Adler\"");
-asm(".include \"libc/disclaimer.inc\"");
+zlib 1.2.13 (zlib License)\\n\
+Copyright 1995-2022 Jean-loup Gailly and Mark Adler\\n\
+Invented 1990 Phillip Walter Katz\"");
 // clang-format off
 
 #define MAXBITS 15
 
-const char inflate_copyright[] =
-   " inflate 1.2.12.1 Copyright 1995-2022 Mark Adler ";
 /*
   If you use the zlib library in a product, an acknowledgment is welcome
   in the documentation of your product. If for some reason you cannot
@@ -69,7 +69,7 @@ unsigned short FAR *work;
         35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0};
     static const unsigned short lext[31] = { /* Length codes 257..285 extra */
         16, 16, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17, 18, 18, 18, 18,
-        19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 16, 76, 202};
+        19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 16, 194, 65};
     static const unsigned short dbase[32] = { /* Distance codes 0..29 base */
         1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193,
         257, 385, 513, 769, 1025, 1537, 2049, 3073, 4097, 6145,