OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-old/] [binutils-2.18.50/] [gas/] [testsuite/] [gas/] [bfin/] [arithmetic.s] - Blame information for rev 856

Go to most recent revision | Details | Compare with Previous | View Log

Line No. Rev Author Line
1 38 julius 
        .text
2 
        .global abs
3 
abs:
4 
        a0 = abs a0;
5 
        A0 = ABS A1;
6 
        A1 = Abs a0;
7 
        a1 = aBs A1;
8 
        A1 = abs a1, a0 = ABS A0;
9 
        r0 = abs r2;
10 
 
11 
        .text
12 
        .global add
13 
add:
14 
        sp = sp + P0;
15 
        SP = SP + P2;
16 
        FP = p1 + fp;
17 
 
18 
        R7 = r7 + r2 (NS);
19 
        r6 = r6 + r0 (s);
20 
 
21 
        r4.L = R2.h + r0.L (s);
22 
        r5.H = R1.H + R1.L (S);
23 
        r6.L = R6.L + r5.l (NS);
24 
 
25 
        .text
26 
        .global add_sub_prescale_down
27 
add_sub_prescale_down:
28 
        r4.l = r0 + r1 (RND20);
29 
        R3.H = r5 + r0 (rnd20);
30 
        r1.L = r7 - R5 (rND20);
31 
 
32 
        .text
33 
        .global add_sub_prescale_up
34 
add_sub_prescale_up:
35 
        r2.L = R0 + R1 (rnd12);
36 
        r7.H = r7 + r6 (RND12);
37 
        r5.l = r3 - R2 (rNd12);
38 
        r2.h = R1 - R2 (Rnd12);
39 
 
40 
        .text
41 
        .global add_immediate
42 
add_immediate:
43 
        R5 += -64;
44 
        r2 += 63;
45 
        i0 += 2;
46 
        I3 += 2;
47 
        I2 += 4;
48 
        i1 += 4;
49 
        P0 += 4;
50 
        sp += 16;
51 
        FP += -32;
52 
 
53 
        .text
54 
        .global divide_primitive
55 
divide_primitive:
56 
        divs (r3, r5);
57 
        divq (R3, R5);
58 
 
59 
        .text
60 
        .global expadj
61 
expadj:
62 
        r6.L = EXPADJ (r5, r4.l);
63 
        R5.l = ExpAdj (r0.h, r1.l);
64 
        R4.L = expadj (R3, R5.L) (V);
65 
 
66 
        .text
67 
        .global max
68 
max:
69 
        R6 = MAX (r5, R2);
70 
        r0 = max (r1, r3);
71 
 
72 
        .text
73 
        .global min
74 
min:
75 
        r5 = mIn (r2, R3);
76 
        R4 = Min (r7, R0);
77 
 
78 
 
79 
        .text
80 
        .global modify_decrement
81 
modify_decrement:
82 
        A0 -= A1;
83 
        a0 -= a1 (w32);
84 
        fp -= p2;
85 
        SP -= P0;
86 
        I3 -= M0;
87 
        i1 -= m1;
88 
 
89 
        .text
90 
        .global modify_increment
91 
modify_increment:
92 
        a0 += a1;
93 
        A0 += A1 (w32);
94 
        Sp += P1 (Brev);
95 
        P5 += Fp (BREV);
96 
        i2 += M2;
97 
        I0 += m0 (brev);
98 
        r7 = ( a0 += a1);
99 
        r6.l = (A0 += a1);
100 
        R0.H = (a0 += A1);
101 
 
102 
        .text
103 
        .global multiply16
104 
multiply16:
105 
        R0.l = r1.h * r2.l;
106 
        r1.L = r5.H * r0.H (s2rnd);
107 
        r7.l = r3.l * r3.H (FU);
108 
        r4 = r2.H * r5.H (iSS2);
109 
        r0 = r1.l * r3.l (is);
110 
        r6 = R5.H * r0.l;
111 
 
112 
        r2.h = r7.l * r6.H (M, iu);
113 
        r3.H = r5.H * r0.L;
114 
        R0.H = r1.L * r1.H (M);
115 
        r1 = r7.H * r6.L (M, is);
116 
        R5 = r0.l * r2.h;
117 
        r3 = r6.H * r0.H (m);
118 
 
119 
        .text
120 
        .global multiply32
121 
multiply32:
122 
        R4 *= r0;
123 
        r7 *= R2;
124 
 
125 
        .text
126 
        .global multiply_accumulate
127 
multiply_accumulate:
128 
        a0 = r5.l * R7.H (w32);
129 
        a0 = r0.h * r0.l;
130 
        A0 += R2.L * r3.H (FU);
131 
        A0 += r4.h * r1.L;
132 
        a0 -= r7.l * r6.H (Is);
133 
        A0 -= R5.H * r2.H;
134 
 
135 
        a1 = r1.L * r0.H (M);
136 
        A1 = r2.h * r0.L;
137 
        A1 = R7.H * R6.L (M, W32);
138 
        a1 += r3.l * r2.l (fu);
139 
        a1 += R6.H * r1.L;
140 
        A1 -= r0.L * R3.H (is);
141 
        a1 -= r2.l * r7.h;
142 
 
143 
        .text
144 
        .global multiply_accumulate_half
145 
multiply_accumulate_half:
146 
        r7.l = (a0 = r6.H * r5.L);
147 
        r0.L = (A0 = r1.h * R2.l) (tfu);
148 
        R2.L = (a0 += r5.L * r4.L);
149 
        r3.l = (A0 += r7.H * r6.h) (T);
150 
        r0.l = (a0 -= r3.h * r2.h);
151 
        r1.l = (a0 -= r5.L * r4.L) (iH);
152 
 
153 
        r1.H = (a1 = r1.l * R0.H);
154 
        r2.h = (A1 = r0.H * r3.L) (M, Iss2);
155 
        R6.H = (a1 += r7.l * r7.H);
156 
        r7.h = (a1 += R2.L * R3.L) (S2rnd);
157 
        r6.H = (A1 -= R4.h * r2.h);
158 
        r5.h = (a1 -= r3.H * r7.L) (M, tFu);
159 
 
160 
        .text
161 
        .global multiply_accumulate_data_reg
162 
multiply_accumulate_data_reg:
163 
        R0 = (A0 = R1.L * R2.L);
164 
        R2 = (A0 = r1.l * r2.l) (is);
165 
        r4 = (a0 += r7.h * r6.L);
166 
        r6 = (A0 += R5.L * r3.h) (s2RND);
167 
        R6 = (a0 -= r2.h * r7.l);
168 
        r4 = (A0 -= R0.L * r6.H) (FU);
169 
 
170 
        r7 = (a1 = r0.h * r1.l);
171 
        R5 = (A1 = r2.H * r3.H) (M, fu);
172 
        R3 = (A1 += r7.l * r5.l);
173 
        r1 = (a1 += r2.h * r7.h) (iss2);
174 
        r3 = (A1 -= r0.l * R0.H);
175 
        R5 = (a1 -= R2.l * R7.h) (m, is);
176 
        r7 = (a1+=r1.h*r3.h);
177 
 
178 
        .text
179 
        .global negate
180 
negate:
181 
        R5 = - r0;
182 
        r7 = -R2(s);
183 
        R7 = -r2(Ns);
184 
        A0 = -A0;
185 
        a0 = -a1;
186 
        A1 = -A0;
187 
        a1 = -A1;
188 
        a1 = -a1, a0 = -a0;
189 
 
190 
        .text
191 
        .global round_half
192 
round_half:
193 
        R5.L = r3 (rnd);
194 
        r6.H = r0 (RND);
195 
 
196 
        .text
197 
        .global saturate
198 
saturate:
199 
        A0 = A0 (S);
200 
        a1 = a1 (s);
201 
        A1 = a1 (S), a0 = A0 (s);
202 
 
203 
        .text
204 
        .global signbits
205 
signbits:
206 
        R5.l = signbits r0;
207 
        r0.L = SIGNbits r7.H;
208 
        r3.l = signBits A0;
209 
        r7.L = SIGNBITS a1;
210 
 
211 
        .text
212 
        .global subtract
213 
subtract:
214 
        R5 = R3 - R0;
215 
        R7 = R7 - r0 (S);
216 
        r3 = r2 - r1 (ns);
217 
 
218 
        r5.l = R6.H - R7.h (s);
219 
        r0.H = r3.l - r3.h (NS);
220 
 
221 
        .text
222 
        .global subtract_immediate
223 
subtract_immediate:
224 
        I2 -= 2;
225 
        i0 -= 4;
226 
 

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.