Home | History | Annotate | Line # | Download | only in bfin
s14.s revision 1.1.1.1 
      1 //  reg-based SHIFT test program.
      2 //  Test  r4 = ASHIFT (r2 by rl3);
      3 //  Test  r4 = LSHIFT (r2 by rl3);
      4 # mach: bfin
      5 
      6 .include "testutils.inc"
      7 	start
      8 
      9 
     10 	R0.L = 0x0001;
     11 	R0.H = 0x8000;
     12 
     13 // arithmetic
     14 //  left by  31
     15 // 8000 0001 -> 8000 0000
     16 	R7 = 0;
     17 	ASTAT = R7;
     18 	R3.L = 31;
     19 	R3.H = 0;
     20 	R6 = ASHIFT R0 BY R3.L;
     21 	DBGA ( R6.L , 0x0000 );
     22 	DBGA ( R6.H , 0x8000 );
     23 	CC = AZ;	R7 = CC; DBGA ( R7.L , 0x0 );
     24 	CC = AN;	R7 = CC; DBGA ( R7.L , 0x1 );
     25 	CC = AC0;	R7 = CC; DBGA ( R7.L , 0x0 );
     26 	CC = AV0;	R7 = CC; DBGA ( R7.L , 0x0 );
     27 	CC = AV1;	R7 = CC; DBGA ( R7.L , 0x0 );
     28 
     29 // arithmetic
     30 //  left by  32
     31 // 8000 0001 -> 8000 0000
     32 	R7 = 0;
     33 	ASTAT = R7;
     34 	R3.L = 32;
     35 	R3.H = 0;
     36 	R6 = ASHIFT R0 BY R3.L;
     37 	DBGA ( R6.L , 0xffff );
     38 	DBGA ( R6.H , 0xffff );
     39 	CC = AZ;	R7 = CC; DBGA ( R7.L , 0x0 );
     40 	CC = AN;	R7 = CC; DBGA ( R7.L , 0x1 );
     41 	CC = AC0;	R7 = CC; DBGA ( R7.L , 0x0 );
     42 	CC = AV0;	R7 = CC; DBGA ( R7.L , 0x0 );
     43 	CC = AV1;	R7 = CC; DBGA ( R7.L , 0x0 );
     44 
     45 // arithmetic
     46 //  left by  40
     47 // 8000 0001 -> 8000 0000
     48 	R7 = 0;
     49 	ASTAT = R7;
     50 	R3.L = 40;
     51 	R3.H = 0;
     52 	R6 = ASHIFT R0 BY R3.L;
     53 	DBGA ( R6.L , 0xFF80 );
     54 	DBGA ( R6.H , 0xFFFF );
     55 	CC = AZ;	R7 = CC; DBGA ( R7.L , 0x0 );
     56 	CC = AN;	R7 = CC; DBGA ( R7.L , 0x1 );
     57 	CC = AC0;	R7 = CC; DBGA ( R7.L , 0x0 );
     58 	CC = AV0;	R7 = CC; DBGA ( R7.L , 0x0 );
     59 	CC = AV1;	R7 = CC; DBGA ( R7.L , 0x0 );
     60 
     61 // arithmetic
     62 //  left by  -32
     63 // 8000 0001 -> 8000 0000
     64 	R7 = 0;
     65 	ASTAT = R7;
     66 	R3.L = -32;
     67 	R3.H = 0;
     68 	R6 = ASHIFT R0 BY R3.L;
     69 	DBGA ( R6.L , 0xffff );
     70 	DBGA ( R6.H , 0xffff );
     71 	CC = AZ;	R7 = CC; DBGA ( R7.L , 0x0 );
     72 	CC = AN;	R7 = CC; DBGA ( R7.L , 0x1 );
     73 	CC = AC0;	R7 = CC; DBGA ( R7.L , 0x0 );
     74 	CC = AV0;	R7 = CC; DBGA ( R7.L , 0x0 );
     75 	CC = AV1;	R7 = CC; DBGA ( R7.L , 0x0 );
     76 
     77 // arithmetic
     78 //  left by  63 (off scale)
     79 // 8000 0001 -> 0000 0000
     80 	R7 = 0;
     81 	ASTAT = R7;
     82 	R0.L = 1;
     83 	R0.H = 0;
     84 	R3.L = 63;
     85 	R3.H = 0;
     86 	R6 = ASHIFT R0 BY R3.L;
     87 	DBGA ( R6.L , 0x0000 );
     88 	DBGA ( R6.H , 0x0000 );
     89 	CC = AZ;	R7 = CC; DBGA ( R7.L , 0x1 );
     90 	CC = AN;	R7 = CC; DBGA ( R7.L , 0x0 );
     91 	CC = AC0;	R7 = CC; DBGA ( R7.L , 0x0 );
     92 	CC = AV0;	R7 = CC; DBGA ( R7.L , 0x0 );
     93 	CC = AV1;	R7 = CC; DBGA ( R7.L , 0x0 );
     94 
     95 // arithmetic
     96 //  left by  255 looks like -1 (mask 7 bits)
     97 // 8000 0001 -> 0000 0000
     98 	R7 = 0;
     99 	ASTAT = R7;
    100 	R0.L = 0x0100;
    101 	R0.H = 0;
    102 	R3.L = 255;
    103 	R3.H = 0;
    104 	R6 = ASHIFT R0 BY R3.L;
    105 	DBGA ( R6.L , 0x0080 );
    106 	DBGA ( R6.H , 0x0000 );
    107 	CC = AZ;	R7 = CC; DBGA ( R7.L , 0x0 );
    108 	CC = AN;	R7 = CC; DBGA ( R7.L , 0x0 );
    109 	CC = AC0;	R7 = CC; DBGA ( R7.L , 0x0 );
    110 	CC = AV0;	R7 = CC; DBGA ( R7.L , 0x0 );
    111 	CC = AV1;	R7 = CC; DBGA ( R7.L , 0x0 );
    112 
    113 // arithmetic
    114 //  left by 1
    115 // 8000 0001 -> 0000 0002
    116 	R0.L = 0x0001;
    117 	R0.H = 0x8000;
    118 	R3.L = 1;
    119 	R3.H = 0;
    120 	R6 = ASHIFT R0 BY R3.L;
    121 	DBGA ( R6.L , 0x0002 );
    122 	DBGA ( R6.H , 0x0000 );
    123 	CC = AZ;	R7 = CC; DBGA ( R7.L , 0x0 );
    124 	CC = AN;	R7 = CC; DBGA ( R7.L , 0x0 );
    125 	CC = AC0;	R7 = CC; DBGA ( R7.L , 0x0 );
    126 	CC = AV0;	R7 = CC; DBGA ( R7.L , 0x0 );
    127 	CC = AV1;	R7 = CC; DBGA ( R7.L , 0x0 );
    128 
    129 // arithmetic
    130 //  right by 1
    131 // 8000 0001 -> 0000 0002
    132 	R0.L = 0x0001;
    133 	R0.H = 0x8000;
    134 	R3.L = -1;
    135 	R3.H = 0;
    136 	R6 = ASHIFT R0 BY R3.L;
    137 	DBGA ( R6.L , 0x0000 );
    138 	DBGA ( R6.H , 0xc000 );
    139 	CC = AZ;	R7 = CC; DBGA ( R7.L , 0x0 );
    140 	CC = AN;	R7 = CC; DBGA ( R7.L , 0x1 );
    141 	CC = AC0;	R7 = CC; DBGA ( R7.L , 0x0 );
    142 	CC = AV0;	R7 = CC; DBGA ( R7.L , 0x0 );
    143 	CC = AV1;	R7 = CC; DBGA ( R7.L , 0x0 );
    144 
    145 // arithmetic
    146 //  right by  -31
    147 // 8000 0001 -> ffff ffff
    148 	R0.L = 0x0001;
    149 	R0.H = 0x8000;
    150 	R3.L = -31;
    151 	R3.H = 0;
    152 	R6 = ASHIFT R0 BY R3.L;
    153 	DBGA ( R6.L , 0xffff );
    154 	DBGA ( R6.H , 0xffff );
    155 	CC = AZ;	R7 = CC; DBGA ( R7.L , 0x0 );
    156 	CC = AN;	R7 = CC; DBGA ( R7.L , 0x1 );
    157 	CC = AC0;	R7 = CC; DBGA ( R7.L , 0x0 );
    158 	CC = AV0;	R7 = CC; DBGA ( R7.L , 0x0 );
    159 	CC = AV1;	R7 = CC; DBGA ( R7.L , 0x0 );
    160 
    161 // logic
    162 //  left by largest positive magnitude of 31 (0x1f)
    163 // 8000 0001 -> 8000 0000
    164 	R0.L = 0x0001;
    165 	R0.H = 0x8000;
    166 	R3.L = 31;
    167 	R3.H = 0;
    168 	R6 = ASHIFT R0 BY R3.L;
    169 	DBGA ( R6.L , 0x0000 );
    170 	DBGA ( R6.H , 0x8000 );
    171 	CC = AZ;	R7 = CC; DBGA ( R7.L , 0x0 );
    172 	CC = AN;	R7 = CC; DBGA ( R7.L , 0x1 );
    173 	CC = AC0;	R7 = CC; DBGA ( R7.L , 0x0 );
    174 	CC = AV0;	R7 = CC; DBGA ( R7.L , 0x0 );
    175 	CC = AV1;	R7 = CC; DBGA ( R7.L , 0x0 );
    176 
    177 // logic
    178 //  left by 1
    179 // 8000 0001 -> 0000 0002
    180 	R0.L = 0x0001;
    181 	R0.H = 0x8000;
    182 	R3.L = 1;
    183 	R3.H = 0;
    184 	R6 = LSHIFT R0 BY R3.L;
    185 	DBGA ( R6.L , 0x0002 );
    186 	DBGA ( R6.H , 0x0000 );
    187 	CC = AZ;	R7 = CC; DBGA ( R7.L , 0x0 );
    188 	CC = AN;	R7 = CC; DBGA ( R7.L , 0x0 );
    189 	CC = AC0;	R7 = CC; DBGA ( R7.L , 0x0 );
    190 	CC = AV0;	R7 = CC; DBGA ( R7.L , 0x0 );
    191 	CC = AV1;	R7 = CC; DBGA ( R7.L , 0x0 );
    192 
    193 // logic
    194 //  right by 1
    195 // 8000 0001 -> 4000 0000
    196 	R0.L = 0x0001;
    197 	R0.H = 0x8000;
    198 	R3.L = -1;
    199 	R3.H = 0;
    200 	R6 = LSHIFT R0 BY R3.L;
    201 	DBGA ( R6.L , 0x0000 );
    202 	DBGA ( R6.H , 0x4000 );
    203 	CC = AZ;	R7 = CC; DBGA ( R7.L , 0x0 );
    204 	CC = AN;	R7 = CC; DBGA ( R7.L , 0x0 );
    205 	CC = AC0;	R7 = CC; DBGA ( R7.L , 0x0 );
    206 	CC = AV0;	R7 = CC; DBGA ( R7.L , 0x0 );
    207 	CC = AV1;	R7 = CC; DBGA ( R7.L , 0x0 );
    208 
    209 // logic
    210 //  right by largest negative magnitude of -31
    211 // 8000 0001 -> 0000 0001
    212 	R0.L = 0x0001;
    213 	R0.H = 0x8000;
    214 	R3.L = -31;
    215 	R3.H = 0;
    216 	R6 = LSHIFT R0 BY R3.L;
    217 	DBGA ( R6.L , 0x0001 );
    218 	DBGA ( R6.H , 0x0000 );
    219 	CC = AZ;	R7 = CC; DBGA ( R7.L , 0x0 );
    220 	CC = AN;	R7 = CC; DBGA ( R7.L , 0x0 );
    221 	CC = AC0;	R7 = CC; DBGA ( R7.L , 0x0 );
    222 	CC = AV0;	R7 = CC; DBGA ( R7.L , 0x0 );
    223 	CC = AV1;	R7 = CC; DBGA ( R7.L , 0x0 );
    224 
    225 // logic
    226 //  right by -32
    227 // 8000 0001 -> 0000 0001
    228 	R0.L = 0x0001;
    229 	R0.H = 0x8000;
    230 	R3.L = -32;
    231 	R3.H = 0;
    232 	R6 = LSHIFT R0 BY R3.L;
    233 	DBGA ( R6.L , 0x0000 );
    234 	DBGA ( R6.H , 0x0000 );
    235 	CC = AZ;	R7 = CC; DBGA ( R7.L , 0x1 );
    236 	CC = AN;	R7 = CC; DBGA ( R7.L , 0x0 );
    237 	CC = AC0;	R7 = CC; DBGA ( R7.L , 0x0 );
    238 	CC = AV0;	R7 = CC; DBGA ( R7.L , 0x0 );
    239 	CC = AV1;	R7 = CC; DBGA ( R7.L , 0x0 );
    240 
    241 // logic
    242 //   by +40
    243 // 8000 0001 -> 0000 0001
    244 	R0.L = 0x0001;
    245 	R0.H = 0x8000;
    246 	R3.L = 40;
    247 	R3.H = 0;
    248 	R6 = LSHIFT R0 BY R3.L;
    249 	DBGA ( R6.L , 0x0080 );
    250 	DBGA ( R6.H , 0x0000 );
    251 	CC = AZ;	R7 = CC; DBGA ( R7.L , 0x0 );
    252 	CC = AN;	R7 = CC; DBGA ( R7.L , 0x0 );
    253 
    254 	CC = AC0;	R7 = CC; DBGA ( R7.L , 0x0 );
    255 	CC = AV0;	R7 = CC; DBGA ( R7.L , 0x0 );
    256 	CC = AV1;	R7 = CC; DBGA ( R7.L , 0x0 );
    257 
    258 // rot
    259 //  left  by 1
    260 // 8000 0001 -> 0000 0002 cc=1
    261 	R7 = 0;
    262 	CC = R7;
    263 	R6 = ROT R0 BY 1;
    264 	DBGA ( R6.L , 0x0002 );
    265 	DBGA ( R6.H , 0x0000 );
    266 	R7 = CC;	DBGA ( R7.L , 0x0001 );
    267 
    268 // rot
    269 //  right by -1
    270 // 8000 0001 -> 4000 0000 cc=1
    271 	R7 = 0;
    272 	CC = R7;
    273 	R6 = ROT R0 BY -1;
    274 	DBGA ( R6.L , 0x0000 );
    275 	DBGA ( R6.H , 0x4000 );
    276 	R7 = CC;	DBGA ( R7.L , 0x0001 );
    277 
    278 // rot
    279 //  right by largest positive magnitude of 31
    280 // 8000 0001 -> a000 0000 cc=0
    281 	R7 = 0;
    282 	CC = R7;
    283 	R6 = ROT R0 BY 31;
    284 	DBGA ( R6.L , 0x0000 );
    285 	DBGA ( R6.H , 0xa000 );
    286 	R7 = CC;	DBGA ( R7.L , 0x0000 );
    287 
    288 // rot
    289 //  right by largest positive magnitude of 31 with cc=1
    290 // 8000 0001 cc=1 -> a000 0000 cc=0
    291 	R7 = 1;
    292 	CC = R7;
    293 	R6 = ROT R0 BY 31;
    294 	DBGA ( R6.L , 0x0000 );
    295 	DBGA ( R6.H , 0xe000 );
    296 	R7 = CC;	DBGA ( R7.L , 0x0000 );
    297 
    298 // rot
    299 //  right by largest negative magnitude of -31
    300 // 8000 0001 -> 0000 0005 cc=0
    301 	R7 = 0;
    302 	CC = R7;
    303 	R6 = ROT R0 BY -31;
    304 	DBGA ( R6.L , 0x0005 );
    305 	DBGA ( R6.H , 0x0000 );
    306 	R7 = CC;	DBGA ( R7.L , 0x0000 );
    307 
    308 // rot
    309 //  right by largest negative magnitude of -31 with cc=1
    310 // 8000 0001 cc=1 -> 0000 0007 cc=0
    311 	R7 = 1;
    312 	CC = R7;
    313 	R6 = ROT R0 BY -31;
    314 	DBGA ( R6.L , 0x0007 );
    315 	DBGA ( R6.H , 0x0000 );
    316 	R7 = CC;	DBGA ( R7.L , 0x0000 );
    317 
    318 // rot
    319 //  left by 7
    320 // 8000 0001 cc=1 -> 0000 00e0 cc=0
    321 	R7 = 1;
    322 	CC = R7;
    323 	R6 = ROT R0 BY 7;
    324 	DBGA ( R6.L , 0x00e0 );
    325 	DBGA ( R6.H , 0x0000 );
    326 	R7 = CC;	DBGA ( R7.L , 0x0000 );
    327 
    328 // rot by zero
    329 // 8000 0001 -> 8000 000
    330 	R7 = 1;
    331 	CC = R7;
    332 	R6 = ROT R0 BY 0;
    333 	DBGA ( R6.L , 0x0001 );
    334 	DBGA ( R6.H , 0x8000 );
    335 	R7 = CC;	DBGA ( R7.L , 0x0001 );
    336 
    337 //  0 by 1
    338 	R7 = 0;
    339 	R0 = 0;
    340 	ASTAT = R7;
    341 	R6 = R0 << 1;
    342 	DBGA ( R6.L , 0x0000 );
    343 	DBGA ( R6.H , 0x0000 );
    344 	CC = AZ;	R7 = CC; DBGA ( R7.L , 0x1 );
    345 	CC = AN;	R7 = CC; DBGA ( R7.L , 0x0 );
    346 	CC = AC0;	R7 = CC; DBGA ( R7.L , 0x0 );
    347 	CC = AV0;	R7 = CC; DBGA ( R7.L , 0x0 );
    348 	CC = AV1;	R7 = CC; DBGA ( R7.L , 0x0 );
    349 
    350 	pass
    351