openpower/sv/draft_opcode_tables.mdwn

   1 # Draft Opcode tables
   2
   3 [[sv/draft_opcode_tables]]
   4
   5 two major opcodes are needed
   6
   7 ternlog has its own major opcode
   8
   9 |  29.30 |31| name      | Form |
  10 | ------ |--| --------- | ---- |
  11 |   0  0   |Rc| ternlogi  | TLI-Form |
  12 |   0  1   |  | crternlogi | TLI-Form |
  13 |   1 iv   |  | grevlogi | TLI-Form |
  14
  15 2nd major opcode for other bitmanip: minor opcode allocation
  16
  17 |  28.30 |31| name      |
  18 | ------ |--| --------- |
  19 |  -00   |0 | xpermi    |
  20 |  -00   |1 | binary lut     |
  21 |  -01   |0 | grevlog     |
  22 |  -01   |1 | swizzle mv/fmv     |
  23 |  010   |Rc| bitmask   |
  24 |  011   |  | SVP64  |
  25 |  110   |Rc| 1/2-op    |
  26 |  111   |  | bmrevi   |
  27
  28 `minmax` is allocated to PO 19 XO `000011`
  29
  30 1-op and variants
  31
  32 | dest | src1 | subop | op       |
  33 | ---- | ---- | ----- | -------- |
  34 | RT   | RA   | ..    | bmatflip |
  35
  36 2-op and variants
  37
  38 | dest | src1 | src2 | subop | op       |
  39 | ---- | ---- | ---- | ----- | -------- |
  40 | RT   | RA   | RB   | or    | bmatflip |
  41 | RT   | RA   | RB   | xor   | bmatflip |
  42 | RT   | RA   | RB   |       | grev  |
  43 | RT   | RA   | RB   |       | clmul\*  |
  44 | RT   | RA   | RB   |       | gorc |
  45 | RT   | RA   | RB   | shuf  | shuffle |
  46 | RT   | RA   | RB   | unshuf| shuffle |
  47 | RT   | RA   | RB   | width | xperm  |
  48 | RT   | RA   | RB   | MMM   | `minmax` |
  49 | RT   | RA   | RB   |      | av abs avgadd  |
  50 | RT   | RA   | RB   | type | vmask ops |
  51 | RT   | RA   | RB   | type | abs accumulate (overwrite)  |
  52
  53 3 ops
  54
  55 * grevlog[w]
  56 * GF mul-add
  57 * bitmask-reverse
  58
  59 PO5 (temporary)
  60
  61 | 0.5|6.10|11.15|16.20 |21..25   | 26....30  |31| name     | Form    |
  62 | -- | -- | --- | ---  | -----   | --------  |--| ------   | -------- |
  63 | NN | RT | RA  | RB   | RC      | /  00  10 |0 | maddsubrs | A-Form  |
  64 | NN | RT | RA  | RB   | RC      | /  01  10 |0 | maddrs    | A-Form  |
  65 | NN | RT | RA  | RB   | RC      | /  10  10 |0 | msubrs    | A-Form  |
  66
  67 TODO: convert all instructions to use RT and not RS
  68
  69 | 0.5|6.10|11.15|16.20 |21..25   | 26....30  |31| name     | Form    |
  70 | -- | -- | --- | ---  | -----   | --------  |--| ------   | -------- |
  71 | NN | RT | RA  |it/im57|im0-4   | 0  00  00 |0 | xpermi  | TODO-Form  |
  72 | NN |    |     |      |         | -  10  00 |0 | svshape3 | rsvd  |
  73 | NN |    |     |      |         | -  11  00 |0 | svshape4 | rsvd  |
  74 | NN | RT | RA  | RB   | RC      | nh 00  00 |1 | binlut |  VA-Form      |
  75 | NN | RT | RA  | RB   | /BFA/   | 0  01  00 |1 | bincrflut  | VA-Form     |
  76 | NN |    |     |      |         | 1  01  00 |1 | svindex    | SVI-Form    |
  77 | NN | RT | RA  | RB   | mode    | L  10  00 |1 | bmask    | BM2-Form     |
  78 | NN |    |     |      |         | 0  11  00 |1 | svshape    | SVM-Form    |
  79 | NN |    |     |      |         | 1  11  00 |1 | svremap   | SVRM-Form   |
  80 | NN | RT | RA  | RB   | im0-4   | im5-7  01 |0 | grevlog |  TLI-Form    |
  81 | NN |    |     |      |         |  - --  01 |1 | swizzle mv/f    | TODO |
  82 | NN | RT | RA  | RB   | RC      | mode  010 |Rc| bitmask\* |  VA2-Form    |
  83 | NN |FRS | d1  |  d0  |   d0    | 00    011 |d2| fmvis   | DX-Form     |
  84 | NN |FRS | d1  |  d0  |   d0    | 01    011 |d2| fishmv  | DX-Form    |
  85 | NN |    |     |      |         | 10    011 |Rc| svstep |  SVL-Form     |
  86 | NN |    |     |      |         | 11    011 |Rc| setvl |   SVL-Form        |
  87 | NN |    |     |      |         | ----  110 |  | 1/2 ops | other table [1] |
  88 | NN | RT | RA  | RB   | RC      | 11    110 |Rc| bmrev  |  VA2-Form    |
  89 | NN | RT | RA  | RB   | sh0-4   | sh5 1 111 |Rc| bmrevi |  MDS-Form    |
  90
  91 [1] except bmrev
  92
  93 ops (note that av avg and abs as well as vec scalar mask
  94 are included here [[sv/vector_ops]], and
  95 the [[sv/av_opcodes]])
  96
  97 | 0.5|6.10|11.15|16.20| 21 | 22.23 | 24....30 |31| name      |  Form   |
  98 | -- | -- | --- | --- | -- | ----- | -------- |--| ----      | ------- |
  99 | NN | RS | me  | sh  | SH | ME 0  | nn00 110 |Rc| bmopsi    | BM-Form |
 100 | NN | RS | RA  | sh  | SH |  0 1  | nn00 110 |Rc| bmopsi    | XB-Form |
 101 | NN | RS | RA  |im04 | im5|  1 1  | im67 00 110 |Rc| bmatxori  | TODO    |
 102 | NN | RT | RA  | RB  | 1  |  00   | 0001 110 |Rc| cldiv     | X-Form  |
 103 | NN | RT | RA  | RB  | 1  |  01   | 0001 110 |Rc| clmod     | X-Form  |
 104 | NN | RT | RA  |     | 1  |  10   | 0001 110 |Rc| clmulh    | X-Form  |
 105 | NN | RT | RA  | RB  | 1  |  11   | 0001 110 |Rc| clmul     | X-Form  |
 106 | NN | RT | RA  | RB  | 0  |   00  | 0001 110 |Rc| rsvd      |         |
 107 | NN | RT | RA  | RB  | 0  |   01  | 0001 110 |Rc| rsvd      |         |
 108 | NN | RT | RA  | RB  | 0  |   10  | 0001 110 |Rc| rsvd      |         |
 109 | NN | RT | RA  | RB  | 0  |   11  | 0001 110 |Rc| vec cprop | X-Form  |
 110 | NN |    |     |     |    |   00  | 0101 110 |0 | crfbinlog | {TODO}  |
 111 | NN |    |     |     |    |   00  | 0101 110 |1 | rsvd      |         |
 112 | NN |    |     |     |    |   10  | 0101 110 |Rc| rsvd      |         |
 113 | NN | RT | RA  | RB  | sm0| sm1 1 | 0101 110 |Rc| shaddw    | X-Form  |
 114 | NN |    |     |     | 0  |       | 1001 110 |Rc| rsvd      |         |
 115 | NN | RT | RA  | RB  | 1  |   00  | 1001 110 |Rc| av abss   | X-Form  |
 116 | NN | RT | RA  | RB  | 1  |   01  | 1001 110 |Rc| av absu   | X-Form  |
 117 | NN | RT | RA  | RB  | 1  |   10  | 1001 110 |Rc| av avgadd | X-Form  |
 118 | NN | RT | RA  | RB  | 1  |   11  | 1001 110 |Rc| grevlutr  | X-Form  |
 119 | NN | RT | RA  | RB  | sm0| sm1 0 | 1101 110 |Rc| shadd     | X-Form  |
 120 | NN | RT | RA  | RB  | sm0| sm1 1 | 1101 110 |Rc| shadduw   | X-Form  |
 121 | NN | RT | RA  | RB  | 0  | 00    | 0010 110 |Rc| rsvd      |   |
 122 | NN | RS | RA  | sh  | SH | 00    | 1010 110 |Rc| rsvd      |   |
 123 | NN | RT | RA  | RB  | 0  | 00    | 0110 110 |Rc| rsvd      |   |
 124 | NN | RS | RA  | SH  | 0  | 00    | 1110 110 |Rc| rsvd      |   |
 125 | NN | RT | RA  | RB  | 1  | 00    | 1110 110 |Rc| absds     | X-Form   |
 126 | NN | RT | RA  | RB  | 0  | 01    | 0010 110 |Rc| rsvd      |   |
 127 | NN | RT | RA  | RB  | 1  | 01    | 0010 110 |Rc| clmulr    | X-Form  |
 128 | NN | RS | RA  | sh  | SH | 01    | 1010 110 |Rc| rsvd      |  |
 129 | NN | RT | RA  | RB  | 0  | 01    | 0110 110 |Rc| rsvd      |   |
 130 | NN | RS | RA  | SH  | 0  | 01    | 1110 110 |Rc| rsvd      |   |
 131 | NN | RT | RA  | RB  | 1  | 01    | 1110 110 |Rc| absdu     | X-Form  |
 132 | NN | RS | RA  | RB  | 0  | 10    | 0010 110 |Rc| bmator    | X-Form  |
 133 | NN | RS | RA  | RB  | 0  | 10    | 0110 110 |Rc| bmatand   | X-Form  |
 134 | NN | RS | RA  | RB  | 0  | 10    | 1010 110 |Rc| bmatxor   | X-Form  |
 135 | NN | RS | RA  |     | 0  | 10    | 1110 110 |  | bmatflip  | X-Form  |
 136 | NN | RT | RA  | RB  | 1  | 10    | 0010 110 |Rc| xpermn    | X-Form  |
 137 | NN | RT | RA  | RB  | 1  | 10    | 0110 110 |Rc| xpermb    | X-Form  |
 138 | NN | RT | RA  | RB  | 1  | 10    | 1010 110 |Rc| xpermh    | X-Form  |
 139 | NN | RT | RA  | RB  | 1  | 10    | 1110 110 |Rc| xpermw    | X-Form  |
 140 | NN | RT | RA  | RB  | 0  | 11    | 1110 110 |Rc| absdacs   | X-Form  |
 141 | NN | RT | RA  | RB  | 1  | 11    | 1110 110 |Rc| absdacu   | X-Form  |
 142 | NN |    |     |     |    |       | --11 110 |Rc| bmrev     | VA2-Form  |
 143