Add Chromium-only Blender WebEngine parity work

blender-5.2.0/extern/gmp-source/mpn/alpha/alpha-defs.m4

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+divert(-1)
+
+dnl  m4 macros for Alpha assembler.
+
+dnl  Copyright 2003, 2004 Free Software Foundation, Inc.
+
+dnl  This file is part of the GNU MP Library.
+dnl
+dnl  The GNU MP Library is free software; you can redistribute it and/or modify
+dnl  it under the terms of either:
+dnl
+dnl    * the GNU Lesser General Public License as published by the Free
+dnl      Software Foundation; either version 3 of the License, or (at your
+dnl      option) any later version.
+dnl
+dnl  or
+dnl
+dnl    * the GNU General Public License as published by the Free Software
+dnl      Foundation; either version 2 of the License, or (at your option) any
+dnl      later version.
+dnl
+dnl  or both in parallel, as here.
+dnl
+dnl  The GNU MP Library is distributed in the hope that it will be useful, but
+dnl  WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+dnl  or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+dnl  for more details.
+dnl
+dnl  You should have received copies of the GNU General Public License and the
+dnl  GNU Lesser General Public License along with the GNU MP Library.  If not,
+dnl  see https://www.gnu.org/licenses/.
+
+
+dnl  Usage: ASSERT([reg] [,code])
+dnl
+dnl  Require that the given reg is non-zero after executing the test code.
+dnl  For example,
+dnl
+dnl         ASSERT(r8,
+dnl         `       cmpult r16, r17, r8')
+dnl
+dnl  If the register argument is empty then nothing is tested, the code is
+dnl  just executed.  This can be used for setups required by later ASSERTs.
+dnl  If the code argument is omitted then the register is just tested, with
+dnl  no special setup code.
+
+define(ASSERT,
+m4_assert_numargs_range(1,2)
+m4_assert_defined(`WANT_ASSERT')
+`ifelse(WANT_ASSERT,1,
+`ifelse(`$2',,,`$2')
+ifelse(`$1',,,
+`	bne	$1, L(ASSERTok`'ASSERT_label_counter)
+	.long	0	C halt
+L(ASSERTok`'ASSERT_label_counter):
+define(`ASSERT_label_counter',eval(ASSERT_label_counter+1))
+')
+')')
+define(`ASSERT_label_counter',1)
+
+
+dnl  Usage: bigend(`code')
+dnl
+dnl  Emit the given code only for a big-endian system, like Unicos.  This
+dnl  can be used for instance for extra stuff needed by extwl.
+
+define(bigend,
+m4_assert_numargs(1)
+`ifdef(`HAVE_LIMB_BIG_ENDIAN',`$1',
+`ifdef(`HAVE_LIMB_LITTLE_ENDIAN',`',
+`m4_error(`Cannot assemble, unknown limb endianness')')')')
+
+
+dnl  Usage: bwx_available_p
+dnl
+dnl  Evaluate to 1 if the BWX byte memory instructions are available, or to
+dnl  0 if not.
+dnl
+dnl  Listing the chips which do have BWX means anything we haven't looked at
+dnl  will use safe non-BWX code.  The only targets without BWX currently are
+dnl  plain alpha (ie. ev4) and alphaev5.
+
+define(bwx_available_p,
+m4_assert_numargs(-1)
+`m4_ifdef_anyof_p(
+	`HAVE_HOST_CPU_alphaev56',
+	`HAVE_HOST_CPU_alphapca56',
+	`HAVE_HOST_CPU_alphapca57',
+	`HAVE_HOST_CPU_alphaev6',
+	`HAVE_HOST_CPU_alphaev67',
+	`HAVE_HOST_CPU_alphaev68',
+	`HAVE_HOST_CPU_alphaev69',
+	`HAVE_HOST_CPU_alphaev7',
+	`HAVE_HOST_CPU_alphaev79')')
+
+
+dnl  Usage: unop
+dnl
+dnl  The Cray Unicos assembler lacks unop, so give the equivalent ldq_u
+dnl  explicitly.
+
+define(unop,
+m4_assert_numargs(-1)
+`ldq_u	r31, 0(r30)')
+
+
+divert