Add Chromium-only Blender WebEngine parity work

blender-5.2.0/extern/gmp-source/mpz/cmp_si.c

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+/* mpz_cmp_si(u,v) -- Compare an integer U with a single-word int V.
+   Return positive, zero, or negative based on if U > V, U == V, or U < V.
+
+Copyright 1991, 1993-1996, 2000-2002, 2012, 2013 Free Software Foundation, Inc.
+
+This file is part of the GNU MP Library.
+
+The GNU MP Library is free software; you can redistribute it and/or modify
+it under the terms of either:
+
+  * the GNU Lesser General Public License as published by the Free
+    Software Foundation; either version 3 of the License, or (at your
+    option) any later version.
+
+or
+
+  * the GNU General Public License as published by the Free Software
+    Foundation; either version 2 of the License, or (at your option) any
+    later version.
+
+or both in parallel, as here.
+
+The GNU MP Library is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+You should have received copies of the GNU General Public License and the
+GNU Lesser General Public License along with the GNU MP Library.  If not,
+see https://www.gnu.org/licenses/.  */
+
+#include "gmp-impl.h"
+
+int
+_mpz_cmp_si (mpz_srcptr u, signed long int v_digit) __GMP_NOTHROW
+{
+#if GMP_NAIL_BITS != 0
+  /* FIXME.  This isn't very pretty.  */
+  mpz_t tmp;
+  mp_limb_t tt[2];
+  PTR(tmp) = tt;
+  ALLOC(tmp) = 2;
+  mpz_set_si (tmp, v_digit);
+  return mpz_cmp (u, tmp);
+#else
+
+  mp_size_t vsize, usize;
+
+  usize = SIZ (u);
+  vsize = (v_digit > 0) - (v_digit < 0);
+
+  if ((usize == 0) | (usize != vsize))
+    return usize - vsize;
+  else {
+    mp_limb_t u_digit, absv_digit;
+
+    u_digit = PTR (u)[0];
+    absv_digit = ABS_CAST (unsigned long, v_digit);
+
+    if (u_digit == absv_digit)
+      return 0;
+
+    if (u_digit > absv_digit)
+      return usize;
+    else
+      return -usize;
+  }
+#endif
+}