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1 | /* |
2 | * ========== Copyright Header Begin ========================================== | |
3 | * | |
4 | * OpenSPARC T2 Processor File: exu_shift_n2.s | |
5 | * Copyright (C) 1995-2007 Sun Microsystems, Inc. All Rights Reserved | |
6 | * 4150 Network Circle, Santa Clara, California 95054, U.S.A. | |
7 | * | |
8 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License as published by | |
12 | * the Free Software Foundation; version 2 of the License. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
22 | * | |
23 | * For the avoidance of doubt, and except that if any non-GPL license | |
24 | * choice is available it will apply instead, Sun elects to use only | |
25 | * the General Public License version 2 (GPLv2) at this time for any | |
26 | * software where a choice of GPL license versions is made | |
27 | * available with the language indicating that GPLv2 or any later version | |
28 | * may be used, or where a choice of which version of the GPL is applied is | |
29 | * otherwise unspecified. | |
30 | * | |
31 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
32 | * CA 95054 USA or visit www.sun.com if you need additional information or | |
33 | * have any questions. | |
34 | * | |
35 | * | |
36 | * ========== Copyright Header End ============================================ | |
37 | */ | |
38 | #define NUM_REG_CASES 2 | |
39 | #define NUM_IMMED_CASES 3 | |
40 | ||
41 | ||
42 | /*******************************************************/ | |
43 | #include "hboot.s" | |
44 | ||
45 | .global main | |
46 | main: | |
47 | th_fork(th_main,%l0) ! start up to four threads. | |
48 | ! All threads do the same thing. No need to run more than one core, | |
49 | ! and no need to differentiate the threads because nobody stores | |
50 | ! anything. | |
51 | th_main_0: | |
52 | th_main_1: | |
53 | th_main_2: | |
54 | th_main_3: | |
55 | !************************** | |
56 | ! Operand2 as a register | |
57 | !************************** | |
58 | set rs1_data,%g1 | |
59 | add %g0,NUM_REG_CASES,%l0 | |
60 | wr %g0,0xff,%ccr ! ccr set to ff. Should remain unchanged. | |
61 | ||
62 | rs1_loop: | |
63 | ldx [%g1],%l1 | |
64 | add %g0,65,%l2 ! rs2 starts as 65 | |
65 | rs2_loop: | |
66 | sll %l1,%l2,%l3 | |
67 | srl %l1,%l2,%l3 | |
68 | sra %l1,%l2,%l3 | |
69 | sllx %l1,%l2,%l3 | |
70 | srlx %l1,%l2,%l3 | |
71 | srax %l1,%l2,%l3 | |
72 | ||
73 | sub %l2,0x1,%l2 | |
74 | brgez,pt %l2,rs2_loop ! loop rs2 down to 0, inclusive | |
75 | nop | |
76 | ||
77 | ! use rs1 value as the shift value just to put interesting things in | |
78 | ! the upper bits of rs2. | |
79 | ldx [%g1],%l2 | |
80 | sll %l1,%l2,%l3 | |
81 | srl %l1,%l2,%l3 | |
82 | sra %l1,%l2,%l3 | |
83 | sllx %l1,%l2,%l3 | |
84 | srlx %l1,%l2,%l3 | |
85 | srax %l1,%l2,%l3 | |
86 | ||
87 | sub %l0,1,%l0 ! next rs1 value | |
88 | brnz,pt %l0,rs1_loop | |
89 | add %g1,8,%g1 ! move operand pointer | |
90 | ||
91 | !************************** | |
92 | ! Operand2 as immediate | |
93 | !************************** | |
94 | ||
95 | set immed_data,%g1 | |
96 | add %g0,NUM_IMMED_CASES,%l0 | |
97 | immed_loop: | |
98 | ldx [%g1],%l1 | |
99 | ||
100 | sll %l1,0,%l3 | |
101 | srl %l1,0,%l3 | |
102 | sra %l1,0,%l3 | |
103 | sllx %l1,0,%l3 | |
104 | srlx %l1,0,%l3 | |
105 | srax %l1,0,%l3 | |
106 | ||
107 | sll %l1,1,%l3 | |
108 | srl %l1,1,%l3 | |
109 | sra %l1,1,%l3 | |
110 | sllx %l1,1,%l3 | |
111 | srlx %l1,1,%l3 | |
112 | srax %l1,1,%l3 | |
113 | ||
114 | sll %l1,2,%l3 | |
115 | srl %l1,2,%l3 | |
116 | sra %l1,2,%l3 | |
117 | sllx %l1,2,%l3 | |
118 | srlx %l1,2,%l3 | |
119 | srax %l1,2,%l3 | |
120 | ||
121 | sll %l1,31,%l3 | |
122 | srl %l1,31,%l3 | |
123 | sra %l1,31,%l3 | |
124 | sllx %l1,31,%l3 | |
125 | srlx %l1,31,%l3 | |
126 | srax %l1,31,%l3 | |
127 | ||
128 | sllx %l1,32,%l3 | |
129 | srlx %l1,32,%l3 | |
130 | srax %l1,32,%l3 | |
131 | ||
132 | sllx %l1,63,%l3 | |
133 | srlx %l1,63,%l3 | |
134 | srax %l1,63,%l3 | |
135 | ||
136 | sub %l0,0x1,%l0 | |
137 | brnz,pt %l0,immed_loop | |
138 | add %g1,8,%g1 ! move operand pointer | |
139 | ||
140 | good_end: | |
141 | ta T_GOOD_TRAP | |
142 | nop | |
143 | nop | |
144 | ||
145 | ||
146 | !========================== | |
147 | .data | |
148 | .align 0x1fff+1 | |
149 | ||
150 | .global tsdata | |
151 | rs1_data: | |
152 | .word 0x80000001, 0x80000001 | |
153 | .word 0x55555555, 0x55555555 | |
154 | ||
155 | ||
156 | .global immed_data | |
157 | immed_data: | |
158 | .word 0x00000000, 0x00000001 | |
159 | .word 0x33333333, 0x70000000 | |
160 | .word 0xaaaaaaaa, 0xaaaaaaaa | |
161 | ||
162 | .end |