github.com/aergoio/aergo@v1.3.1/libtool/src/gmp-6.1.2/mpn/sparc64/ultrasparct3/missing.m4 (about)

     1  dnl  SPARC v9-2011 simulation support.
     2  
     3  dnl  Contributed to the GNU project by Torbjörn Granlund.
     4  
     5  dnl  Copyright 2013 Free Software Foundation, Inc.
     6  
     7  dnl  This file is part of the GNU MP Library.
     8  dnl
     9  dnl  The GNU MP Library is free software; you can redistribute it and/or modify
    10  dnl  it under the terms of either:
    11  dnl
    12  dnl    * the GNU Lesser General Public License as published by the Free
    13  dnl      Software Foundation; either version 3 of the License, or (at your
    14  dnl      option) any later version.
    15  dnl
    16  dnl  or
    17  dnl
    18  dnl    * the GNU General Public License as published by the Free Software
    19  dnl      Foundation; either version 2 of the License, or (at your option) any
    20  dnl      later version.
    21  dnl
    22  dnl  or both in parallel, as here.
    23  dnl
    24  dnl  The GNU MP Library is distributed in the hope that it will be useful, but
    25  dnl  WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
    26  dnl  or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    27  dnl  for more details.
    28  dnl
    29  dnl  You should have received copies of the GNU General Public License and the
    30  dnl  GNU Lesser General Public License along with the GNU MP Library.  If not,
    31  dnl  see https://www.gnu.org/licenses/.
    32  
    33  
    34  dnl Usage addxccc(r1,r2,r3, t1)
    35  dnl  64-bit add with carry-in and carry-out
    36  dnl  FIXME: Register g2 must not be destination
    37  
    38  define(`addxccc',`dnl
    39  	add	%sp, -512, %sp
    40  	stx	%g2, [%sp+2047+256+16]
    41  	mov	0, %g2
    42  	movcs	%xcc, -1, %g2
    43  	addcc	%g2, 1, %g0
    44  	addccc	$1, $2, $3
    45  	ldx	[%sp+2047+256+16], %g2
    46  	sub	%sp, -512, %sp
    47  ')
    48  
    49  
    50  dnl Usage addxc(r1,r2,r3, t1,t2)
    51  dnl  64-bit add with carry-in
    52  
    53  define(`addxc',`dnl
    54  	bcc	%xcc, 1f
    55  	 add	$1, $2, $3
    56  	add	$3, 1, $3
    57  1:
    58  ')
    59  
    60  
    61  dnl Usage umulxhi(r1,r2,r3)
    62  dnl  64-bit multiply returning upper 64 bits
    63  dnl  Calls __gmpn_umulh using a non-standard calling convention
    64  
    65  define(`umulxhi',`dnl
    66  	add	%sp, -512, %sp
    67  	stx	$1, [%sp+2047+256]
    68  	stx	$2, [%sp+2047+256+8]
    69  	stx	%o7, [%sp+2047+256+16]
    70  	call	__gmpn_umulh
    71  	 nop
    72  	ldx	[%sp+2047+256+16], %o7
    73  	ldx	[%sp+2047+256], $3
    74  	sub	%sp, -512, %sp
    75  ')
    76  dnl Usage lzcnt(r1,r2)
    77  dnl  Plain count leading zeros
    78  dnl  Calls __gmpn_lzcnt using a non-standard calling convention
    79  
    80  define(`lzcnt',`dnl
    81  	add	%sp, -512, %sp
    82  	stx	%o7, [%sp+2047+256+16]
    83  	call	__gmpn_lzcnt
    84  	 stx	$1, [%sp+2047+256]
    85  	ldx	[%sp+2047+256+16], %o7
    86  	ldx	[%sp+2047+256], $2
    87  	sub	%sp, -512, %sp
    88  ')