Annotation of OpenXM_contrib/gmp/mpn/ia64/copyi.asm, Revision 1.1.1.1
1.1 ohara 1: dnl IA-64 mpn_copyi -- copy limb vector, incrementing.
2:
3: dnl Copyright 2001, 2002 Free Software Foundation, Inc.
4:
5: dnl This file is part of the GNU MP Library.
6:
7: dnl The GNU MP Library is free software; you can redistribute it and/or modify
8: dnl it under the terms of the GNU Lesser General Public License as published
9: dnl by the Free Software Foundation; either version 2.1 of the License, or (at
10: dnl your option) any later version.
11:
12: dnl The GNU MP Library is distributed in the hope that it will be useful, but
13: dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14: dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
15: dnl License for more details.
16:
17: dnl You should have received a copy of the GNU Lesser General Public License
18: dnl along with the GNU MP Library; see the file COPYING.LIB. If not, write to
19: dnl the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
20: dnl MA 02111-1307, USA.
21:
22: include(`../config.m4')
23:
24: C INPUT PARAMETERS
25: C rp = r32
26: C sp = r33
27: C n = r34
28:
29: ASM_START()
30: PROLOGUE(mpn_copyi)
31: .prologue
32: .save ar.lc, r2
33: mov r2 = ar.lc
34: .body
35: ifdef(`HAVE_ABI_32',
36: ` addp4 r32 = 0, r32
37: addp4 r33 = 0, r33
38: sxt4 r34 = r34
39: ;;
40: ')
41: and r14 = 3, r34
42: cmp.ge p14, p15 = 3, r34
43: add r34 = -4, r34
44: ;;
45: cmp.eq p8, p9 = 1, r14
46: cmp.eq p10, p11 = 2, r14
47: cmp.eq p12, p13 = 3, r14
48: ;;
49: (p8) br.dptk .Lb01
50: (p10) br.dptk .Lb10
51: (p12) br.dptk .Lb11
52:
53: .Lb00: C n = 4, 8, 12, ...
54: (p14) br.dptk .Ls00
55: ;;
56: ld8 r16 = [r33], 8
57: shr r15 = r34, 2
58: ;;
59: ld8 r17 = [r33], 8
60: mov ar.lc = r15
61: ;;
62: ld8 r18 = [r33], 8
63: ;;
64: ld8 r19 = [r33], 8
65: br.cloop.dptk .Loop
66: ;;
67: br.sptk .Lend
68: ;;
69:
70: .Lb01: C n = 1, 5, 9, 13, ...
71: ld8 r19 = [r33], 8
72: shr r15 = r34, 2
73: (p14) br.dptk .Ls01
74: ;;
75: ld8 r16 = [r33], 8
76: mov ar.lc = r15
77: ;;
78: ld8 r17 = [r33], 8
79: ;;
80: ld8 r18 = [r33], 8
81: br.sptk .Li01
82: ;;
83:
84: .Lb10: C n = 2,6, 10, 14, ...
85: ld8 r18 = [r33], 8
86: shr r15 = r34, 2
87: ;;
88: ld8 r19 = [r33], 8
89: mov ar.lc = r15
90: (p14) br.dptk .Ls10
91: ;;
92: ld8 r16 = [r33], 8
93: ;;
94: ld8 r17 = [r33], 8
95: br.sptk .Li10
96: ;;
97:
98: .Lb11: C n = 3, 7, 11, 15, ...
99: ld8 r17 = [r33], 8
100: shr r15 = r34, 2
101: ;;
102: ld8 r18 = [r33], 8
103: mov ar.lc = r15
104: ;;
105: ld8 r19 = [r33], 8
106: (p14) br.dptk .Ls11
107: ;;
108: ld8 r16 = [r33], 8
109: br.sptk .Li11
110: ;;
111:
112: .Loop:
113: .Li00:
114: { .mmb; st8 [r32] = r16, 8
115: ld8 r16 = [r33], 8
116: ;;
117: }
118: .Li11:
119: { .mmb; st8 [r32] = r17, 8
120: ld8 r17 = [r33], 8
121: ;;
122: }
123: .Li10:
124: { .mmb; st8 [r32] = r18, 8
125: ld8 r18 = [r33], 8
126: ;;
127: }
128: .Li01:
129: { .mmb; st8 [r32] = r19, 8
130: ld8 r19 = [r33], 8
131: br.cloop.dptk .Loop
132: ;;
133: }
134: .Lend: st8 [r32] = r16, 8
135: ;;
136: .Ls11: st8 [r32] = r17, 8
137: ;;
138: .Ls10: st8 [r32] = r18, 8
139: ;;
140: .Ls01: st8 [r32] = r19, 8
141: .Ls00:
142: mov ar.lc = r2
143: br.ret.sptk.many rp
144: EPILOGUE(mpn_copyi)
145: ASM_END()
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