github.com/aergoio/aergo@v1.3.1/libtool/src/gmp-6.1.2/mpn/sparc32/v8/addmul_1.asm (about)

     1  dnl  SPARC v8 mpn_addmul_1 -- Multiply a limb vector with a limb and
     2  dnl  add the result to a second limb vector.
     3  
     4  dnl  Copyright 1992-1995, 2000 Free Software Foundation, Inc.
     5  
     6  dnl  This file is part of the GNU MP Library.
     7  dnl
     8  dnl  The GNU MP Library is free software; you can redistribute it and/or modify
     9  dnl  it under the terms of either:
    10  dnl
    11  dnl    * the GNU Lesser General Public License as published by the Free
    12  dnl      Software Foundation; either version 3 of the License, or (at your
    13  dnl      option) any later version.
    14  dnl
    15  dnl  or
    16  dnl
    17  dnl    * the GNU General Public License as published by the Free Software
    18  dnl      Foundation; either version 2 of the License, or (at your option) any
    19  dnl      later version.
    20  dnl
    21  dnl  or both in parallel, as here.
    22  dnl
    23  dnl  The GNU MP Library is distributed in the hope that it will be useful, but
    24  dnl  WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
    25  dnl  or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    26  dnl  for more details.
    27  dnl
    28  dnl  You should have received copies of the GNU General Public License and the
    29  dnl  GNU Lesser General Public License along with the GNU MP Library.  If not,
    30  dnl  see https://www.gnu.org/licenses/.
    31  
    32  
    33  include(`../config.m4')
    34  
    35  C INPUT PARAMETERS
    36  C res_ptr	o0
    37  C s1_ptr	o1
    38  C size		o2
    39  C s2_limb	o3
    40  
    41  ASM_START()
    42  PROLOGUE(mpn_addmul_1)
    43  	orcc	%g0,%g0,%g2
    44  	ld	[%o1+0],%o4	C 1
    45  
    46  	sll	%o2,4,%g1
    47  	and	%g1,(4-1)<<4,%g1
    48  ifdef(`PIC',
    49  `	mov	%o7,%g4		C Save return address register
    50  0:	call	1f
    51  	add	%o7,L(1)-0b,%g3
    52  1:	mov	%g4,%o7		C Restore return address register
    53  ',
    54  `	sethi	%hi(L(1)),%g3
    55  	or	%g3,%lo(L(1)),%g3
    56  ')
    57  	jmp	%g3+%g1
    58  	nop
    59  L(1):
    60  L(L00):	add	%o0,-4,%o0
    61  	b	L(loop00)	C 4, 8, 12, ...
    62  	add	%o1,-4,%o1
    63  	nop
    64  L(L01):	b	L(loop01)	C 1, 5, 9, ...
    65  	nop
    66  	nop
    67  	nop
    68  L(L10):	add	%o0,-12,%o0	C 2, 6, 10, ...
    69  	b	L(loop10)
    70  	add	%o1,4,%o1
    71  	nop
    72  L(L11):	add	%o0,-8,%o0	C 3, 7, 11, ...
    73  	b	L(loop11)
    74  	add	%o1,-8,%o1
    75  	nop
    76  
    77  L(loop):
    78  	addcc	%g3,%g2,%g3	C 1
    79  	ld	[%o1+4],%o4	C 2
    80  	rd	%y,%g2		C 1
    81  	addx	%g0,%g2,%g2
    82  	ld	[%o0+0],%g1	C 2
    83  	addcc	%g1,%g3,%g3
    84  	st	%g3,[%o0+0]	C 1
    85  L(loop00):
    86  	umul	%o4,%o3,%g3	C 2
    87  	ld	[%o0+4],%g1	C 2
    88  	addxcc	%g3,%g2,%g3	C 2
    89  	ld	[%o1+8],%o4	C 3
    90  	rd	%y,%g2		C 2
    91  	addx	%g0,%g2,%g2
    92  	nop
    93  	addcc	%g1,%g3,%g3
    94  	st	%g3,[%o0+4]	C 2
    95  L(loop11):
    96  	umul	%o4,%o3,%g3	C 3
    97  	addxcc	%g3,%g2,%g3	C 3
    98  	ld	[%o1+12],%o4	C 4
    99  	rd	%y,%g2		C 3
   100  	add	%o1,16,%o1
   101  	addx	%g0,%g2,%g2
   102  	ld	[%o0+8],%g1	C 2
   103  	addcc	%g1,%g3,%g3
   104  	st	%g3,[%o0+8]	C 3
   105  L(loop10):
   106  	umul	%o4,%o3,%g3	C 4
   107  	addxcc	%g3,%g2,%g3	C 4
   108  	ld	[%o1+0],%o4	C 1
   109  	rd	%y,%g2		C 4
   110  	addx	%g0,%g2,%g2
   111  	ld	[%o0+12],%g1	C 2
   112  	addcc	%g1,%g3,%g3
   113  	st	%g3,[%o0+12]	C 4
   114  	add	%o0,16,%o0
   115  	addx	%g0,%g2,%g2
   116  L(loop01):
   117  	addcc	%o2,-4,%o2
   118  	bg	L(loop)
   119  	umul	%o4,%o3,%g3	C 1
   120  
   121  	addcc	%g3,%g2,%g3	C 4
   122  	rd	%y,%g2		C 4
   123  	addx	%g0,%g2,%g2
   124  	ld	[%o0+0],%g1	C 2
   125  	addcc	%g1,%g3,%g3
   126  	st	%g3,[%o0+0]	C 4
   127  	addx	%g0,%g2,%o0
   128  
   129  	retl
   130  	 nop
   131  EPILOGUE(mpn_addmul_1)