powerpc_sys5_b.s revision 12027:1eb7dc7aa10b 
1/* speed test for basic CPU operations  */
2
3
4/* Marco Bucci <marco.bucci@inwind.it> */
5
6/* This code was developed with the Code Warrior integrate ppc assembler.
7 * Macros are use to hide illegal constructs whether you are using a
8 * "normal" assembler or the "C integrated" assembler.
9 */
10
11#if 0
12
13
14	.text
15	.align 4
16
17	.globl b_call_reg
18	.globl _b_call_reg
19	.globl b_call_imm
20	.globl _b_call_imm
21	.globl b_add
22	.globl _b_add
23	.globl b_load
24	.globl _b_load
25
26.set fsize, 64
27.set lrsave, 4
28
29#else
30
31#define fsize 64
32#define lrsave 4
33
34#endif
35
36
37
38
39#if 0
40.if 0
41#endif
42asm void b_null(void)
43{
44#if 0
45.endif
46#endif
47
48#if 0
49b_null:
50#endif
51
52	blr
53
54#if 0
55.if 0
56#endif
57}
58#if 0
59.endif
60#endif
61
62
63/* actually the same as the following. How to get "b_null" address?
64 * I didnt find the right sintax or the right way.
65 * I should take the current PC, then the difference to "b_null"
66 * (making the difference beween the labels), perform the sum and go?!
67 */
68#if 0
69.if 0
70#endif
71asm void b_call_reg(long n)
72{
73#if 0
74.endif
75#endif
76
77#if 0
78b_call_reg:
79_b_call_reg:
80#endif
81
82	mflr	%r0
83	stw		%r31,-4(%r1)
84	stw		%r30,-8(%r1)
85	stw		%r0,lrsave(%r1)
86	stwu	%r1,-fsize(%r1)
87	mr		%r30,%r3
88	li		%r31,0
89
90	b		L1
91L0:
92	bl		b_null
93	bl		b_null
94	bl		b_null
95	bl		b_null
96	bl		b_null
97
98	addi       %r31,%r31,5
99L1:
100	cmpw       %r31,%r30
101	blt        L0
102
103
104	lwz        %r0,lrsave+fsize(%r1)
105	mtlr       %r0
106	lwz        %r31,-4+fsize(%r1)
107	lwz        %r30,-8+fsize(%r1)
108	addi       %r1,%r1,fsize
109	blr
110
111#if 0
112.if 0
113#endif
114}
115#if 0
116.endif
117#endif
118
119
120
121
122#if 0
123.if 0
124#endif
125asm void b_call_imm(long n)
126{
127#if 0
128.endif
129#endif
130
131#if 0
132b_call_imm:
133_b_call_imm:
134#endif
135
136	mflr	%r0
137	stw		%r31,-4(%r1)
138	stw		%r30,-8(%r1)
139	stw		%r0,lrsave(%r1)
140	stwu	%r1,-fsize(%r1)
141	mr		%r30,%r3
142	li		%r31,0
143
144	b		L3
145L2:
146	bl		b_null
147	bl		b_null
148	bl		b_null
149	bl		b_null
150	bl		b_null
151
152	addi       %r31,%r31,5
153L3:
154	cmpw       %r31,%r30
155	blt        L2
156
157
158	lwz        %r0,lrsave+fsize(%r1)
159	mtlr       %r0
160	lwz        %r31,-4+fsize(%r1)
161	lwz        %r30,-8+fsize(%r1)
162	addi       %r1,%r1,fsize
163	blr
164
165#if 0
166.if 0
167#endif
168}
169#if 0
170.endif
171#endif
172
173
174
175#if 0
176.if 0
177#endif
178asm void b_add(long n)
179{
180#if 0
181.endif
182#endif
183
184#if 0
185b_add:
186_b_add:
187#endif
188
189	mflr	%r0
190	stw		%r31,-4(%r1)
191	stw		%r30,-8(%r1)
192	stw		%r0,lrsave(%r1)
193	stwu	%r1,-fsize(%r1)
194	mr		%r30,%r3
195	li		%r31,0
196
197	b		L5
198L4:
199	addi	%r3,%r3,5
200	addi	%r4,%r4,5
201	addi	%r5,%r5,5
202	addi	%r6,%r6,5
203	addi	%r7,%r7,5
204
205	addi	%r3,%r3,5
206	addi	%r4,%r4,5
207	addi	%r5,%r5,5
208	addi	%r6,%r6,5
209	addi	%r7,%r7,5
210
211	addi       %r31,%r31,10
212L5:
213	cmpw       %r31,%r30
214	blt        L4
215
216
217	lwz        %r0,lrsave+fsize(%r1)
218	mtlr       %r0
219	lwz        %r31,-4+fsize(%r1)
220	lwz        %r30,-8+fsize(%r1)
221	addi       %r1,%r1,fsize
222	blr
223
224#if 0
225.if 0
226#endif
227}
228#if 0
229.endif
230#endif
231
232
233
234#if 0
235.if 0
236#endif
237asm void b_load(long n)
238{
239#if 0
240.endif
241#endif
242
243#if 0
244b_load:
245_b_load:
246#endif
247
248	mflr	%r0
249	stw		%r31,-4(%r1)
250	stw		%r30,-8(%r1)
251	stw		%r0,lrsave(%r1)
252	stwu	%r1,-fsize(%r1)
253	mr		%r30,%r3
254	li		%r31,0
255
256	b		L7
257L6:
258	lwz		%r3,4(%r1)
259	lwz		%r4,8(%r1)
260	lwz		%r5,12(%r1)
261	lwz		%r6,16(%r1)
262	lwz		%r7,20(%r1)
263
264	lwz		%r3,24(%r1)
265	lwz		%r4,28(%r1)
266	lwz		%r5,32(%r1)
267	lwz		%r6,36(%r1)
268	lwz		%r7,40(%r1)
269
270
271	addi       %r31,%r31,10
272L7:
273	cmpw       %r31,%r30
274	blt        L6
275
276
277	lwz        %r0,lrsave+fsize(%r1)
278	mtlr       %r0
279	lwz        %r31,-4+fsize(%r1)
280	lwz        %r30,-8+fsize(%r1)
281	addi       %r1,%r1,fsize
282	blr
283
284#if 0
285.if 0
286#endif
287}
288#if 0
289.endif
290#endif
291