rv_major_opcode_1010011.mdwn

   1 # Main FP opcode 1010011 table
   2
   3 [[!table  data="""
   4 31..27  | 26..25  | 24..20 |19..15| 14...12| 11..7 | 6....0  | function    |
   5 funct5  | SDHQ    | rs2    | rs1  | funct3 | rd    | opcode  |             |
   6  5      | 2       | 5      | 5    | 3      | 5     |   7     |             |
   7 ------  | -----   | -----  | -----| -----  | ----- | ------- | --------    |
   8 00000   | xx      | rs2    | rs1  | rm     | rd    | 1010011 | FADD.xx     |
   9 00001   | xx      | rs2    | rs1  | rm     | rd    | 1010011 | FSUB.xx     |
  10 00010   | xx      | rs2    | rs1  | rm     | rd    | 1010011 | FMUL.xx     |
  11 00011   | xx      | rs2    | rs1  | rm     | rd    | 1010011 | FDIV.xx     |
  12 00100   | xx      | rs2    | rs1  | yyy    | rd    | 1010011 | tb=00100    |
  13 00101   | xx      | rs2    | rs1  | yyy    | rd    | 1010011 | tb=00101    |
  14 00110   | xx      | rs2    | rs1  | yyy    | rd    | 1010011 | ?           |
  15 00111   | xx      | rs2    | rs1  | yyy    | rd    | 1010011 | ?           |
  16 01000   | xx      | rs2    | rs1  | yyy    | rd    | 1010011 | ?           |
  17 01001   | xx      | rs2    | rs1  | yyy    | rd    | 1010011 | ?           |
  18 01010   | xx      | rs2    | rs1  | yyy    | rd    | 1010011 | ?           |
  19 01011   | xx      | xxxxx  | rs1  | yyy    | rd    | 1010011 | tb=01011    |
  20 01100   | xx      | rs2    | rs1  | yyy    | rd    | 1010011 | ?           |
  21 01101   | xx      | rs2    | rs1  | yyy    | rd    | 1010011 | ?           |
  22 01110   | xx      | rs2    | rs1  | yyy    | rd    | 1010011 | ?           |
  23 01111   | xx      | xxxxx  | rs1  | yyy    | rd    | 1010011 | tb=01111    |
  24 10000   | xx      | rs2    | rs1  | yyy    | rd    | 1010011 | ?           |
  25 10001   | xx      | rs2    | rs1  | yyy    | rd    | 1010011 | ?           |
  26 10010   | xx      | rs2    | rs1  | yyy    | rd    | 1010011 | ?           |
  27 10011   | xx      | rs2    | rs1  | yyy    | rd    | 1010011 | ?           |
  28 10100   | xx      | rs2    | rs1  | yyy    | rd    | 1010011 | tb=10100    |
  29 10101   | xx      | rs2    | rs1  | yyy    | rd    | 1010011 | ?           |
  30 10110   | xx      | rs2    | rs1  | yyy    | rd    | 1010011 | ?           |
  31 10111   | xx      | rs2    | rs1  | yyy    | rd    | 1010011 | ?           |
  32 11000   | xx      | xxxxx  | rs1  | yyy    | rd    | 1010011 | tb=11000    |
  33 11001   | xx      | rs2    | rs1  | yyy    | rd    | 1010011 | ?           |
  34 11010   | xx      | xxxxx  | rs1  | yyy    | rd    | 1010011 | tb=11010    |
  35 11100   | xx      | xxxxx  | rs1  | 000    | rd    | 1010011 | tb=11100    |
  36 11101   | xx      | rs2    | rs1  | yyy    | rd    | 1010011 | ?           |
  37 11110   | xx      | xxxxx  | rs1  | 000    | rd    | 1010011 | tb=11110    |
  38 11111   | xx      | rs2    | rs1  | yyy    | rd    | 1010011 | ?           |
  39 """]]
  40
  41 ## funct5 = 00100
  42
  43 [[!table  data="""
  44 31..27  | 26..25  | 24..20 |19..15| 14...12| 11..7 | 6....0  | function    |
  45 funct5  | SDHQ    | rs2    | rs1  | funct3 | rd    | opcode  |             |
  46  5      | 2       | 5      | 5    | 3      | 5     |   7     |             |
  47 ------  | -----   | -----  | -----| -----  | ----- | ------- | --------    |
  48 00100   | xx      | rs2    | rs1  | 000    | rd    | 1010011 | FSGNJ.xx    |
  49 00100   | xx      | rs2    | rs1  | 001    | rd    | 1010011 | FSGNJN.xx   |
  50 00100   | xx      | rs2    | rs1  | 010    | rd    | 1010011 | FSGNJX.xx   |
  51 00100   | xx      | rs2    | rs1  | 011    | rd    | 1010011 | ?f3=011     |
  52 00100   | xx      | rs2    | rs1  | 100    | rd    | 1010011 | ?f3=100     |
  53 00100   | xx      | rs2    | rs1  | 101    | rd    | 1010011 | ?f3=101     |
  54 00100   | xx      | rs2    | rs1  | 110    | rd    | 1010011 | ?f3=110     |
  55 00100   | xx      | rs2    | rs1  | 111    | rd    | 1010011 | ?f3=111     |
  56 """]]
  57
  58 # funct5 = 00101
  59
  60 [[!table  data="""
  61 31..27  | 26..25  | 24..20 |19..15| 14...12| 11..7 | 6....0  | function    |
  62 funct5  | SDHQ    | rs2    | rs1  | funct3 | rd    | opcode  |             |
  63  5      | 2       | 5      | 5    | 3      | 5     |   7     |             |
  64 ------  | -----   | -----  | -----| -----  | ----- | ------- | --------    |
  65 00101   | xx      | rs2    | rs1  | 000    | rd    | 1010011 | FMIN.S      |
  66 00101   | xx      | rs2    | rs1  | 001    | rd    | 1010011 | FMAX.S      |
  67 00101   | xx      | rs2    | rs1  | 010    | rd    | 1010011 | ?f3=010     |
  68 00101   | xx      | rs2    | rs1  | 011    | rd    | 1010011 | ?f3=011     |
  69 00101   | xx      | rs2    | rs1  | 100    | rd    | 1010011 | ?f3=100     |
  70 00101   | xx      | rs2    | rs1  | 101    | rd    | 1010011 | ?f3=101     |
  71 00101   | xx      | rs2    | rs1  | 110    | rd    | 1010011 | ?f3=110     |
  72 00101   | xx      | rs2    | rs1  | 111    | rd    | 1010011 | ?f3=111     |
  73 """]]
  74
  75 # funct5 = 01011
  76
  77 [[!table  data="""
  78 31..27  | 26..25  | 24..20 |19..15| 14...12| 11..7 | 6....0  | function      |
  79 funct5  | SDHQ    | rs2    | rs1  | funct3 | rd    | opcode  |               |
  80  5      | 2       | 5      | 5    | 3      | 5     |   7     |               |
  81 ------  | -----   | -----  | -----| -----  | ----- | ------- | --------      |
  82 01011   | xx      | 00000  | rs1  | yyy    | rd    | 1010011 | FSQRT.xx      |
  83 01011   | xx      | 00001  | rs1  | yyy    | rd    | 1010011 | **FRSQRT.xx** |
  84 01011   | xx      | rs2!=0 | rs1  | yyy    | rd    | 1010011 | ?rs2          |
  85 """]]
  86
  87 # funct5 = 10100
  88
  89 [[!table  data="""
  90 31..27  | 26..25  | 24..20 |19..15| 14...12| 11..7 | 6....0  | function    |
  91 funct5  | SDHQ    | rs2    | rs1  | funct3 | rd    | opcode  |             |
  92  5      | 2       | 5      | 5    | 3      | 5     |   7     |             |
  93 ------  | -----   | -----  | -----| -----  | ----- | ------- | --------    |
  94 10100   | xx      | rs2    | rs1  | 000    | rd    | 1010011 | FLE.xx      |
  95 10100   | xx      | rs2    | rs1  | 001    | rd    | 1010011 | FLT.xx      |
  96 10100   | xx      | rs2    | rs1  | 010    | rd    | 1010011 | FEQ.xx      |
  97 10100   | xx      | rs2    | rs1  | 011    | rd    | 1010011 | ?f3=011     |
  98 10100   | xx      | rs2    | rs1  | 100    | rd    | 1010011 | ?f3=100     |
  99 10100   | xx      | rs2    | rs1  | 101    | rd    | 1010011 | ?f3=101     |
 100 10100   | xx      | rs2    | rs1  | 110    | rd    | 1010011 | ?f3=110     |
 101 10100   | xx      | rs2    | rs1  | 111    | rd    | 1010011 | ?f3=111     |
 102 """]]
 103
 104 # funct5 = 11000
 105
 106 [[!table  data="""
 107 31..27  | 26..25  | 24..20 |19..15| 14...12| 11..7 | 6....0  | function    |
 108 funct5  | SDHQ    | rs2    | rs1  | funct3 | rd    | opcode  |             |
 109  5      | 2       | 5      | 5    | 3      | 5     |   7     |             |
 110 ------  | -----   | -----  | -----| -----  | ----- | ------- | --------    |
 111 11000   | xx      | 00000  | rs1  | rm     | rd    | 1010011 | FCVT.W.xx   |
 112 11000   | xx      | 00001  | rs1  | rm     | rd    | 1010011 | FCVT.WU.xx  |
 113 11000   | xx      | 00010  | rs1  | rm     | rd    | 1010011 | FCVT.L.xx   |
 114 11000   | xx      | 00011  | rs1  | rm     | rd    | 1010011 | FCVT.LU.xx  |
 115 11000   | xx      | xxxxx  | rs1  | rm     | rd    | 1010011 | rs2?        |
 116 """]]
 117
 118 # funct5 = 11010
 119
 120 [[!table  data="""
 121 31..27  | 26..25  | 24..20 |19..15| 14...12| 11..7 | 6....0  | function    |
 122 funct5  | SDHQ    | rs2    | rs1  | funct3 | rd    | opcode  |             |
 123  5      | 2       | 5      | 5    | 3      | 5     |   7     |             |
 124 ------  | -----   | -----  | -----| -----  | ----- | ------- | --------    |
 125 11010   | xx      | 00000  | rs1  | rm     | rd    | 1010011 | FCVT.xx.W   |
 126 11010   | xx      | 00001  | rs1  | rm     | rd    | 1010011 | FCVT.xx.WU  |
 127 11010   | xx      | 00010  | rs1  | rm     | rd    | 1010011 | FCVT.xx.L   |
 128 11010   | xx      | 00011  | rs1  | rm     | rd    | 1010011 | FCVT.xx.LU  |
 129 11010   | xx      | xxxxx  | rs1  | rm     | rd    | 1010011 | rs2?        |
 130 """]]
 131
 132 # funct5 = 11100
 133
 134 [[!table  data="""
 135 31..27  | 26..25  | 24..20 |19..15| 14...12| 11..7 | 6....0  | function    |
 136 funct5  | SDHQ    | rs2    | rs1  | funct3 | rd    | opcode  |             |
 137  5      | 2       | 5      | 5    | 3      | 5     |   7     |             |
 138 ------  | -----   | -----  | -----| -----  | ----- | ------- | --------    |
 139 11100   | xx      | 00000  | rs1  | 000    | rd    | 1010011 | FMV.xx.W    |
 140 11100   | xx      | 00000  | rs1  | 001    | rd    | 1010011 | FCLASS.xx   |
 141 11100   | xx      | xxxxx  | rs1  | yyy    | rd    | 1010011 | rs2? f3?    |
 142 """]]
 143
 144 # funct5 = 11110
 145
 146 [[!table  data="""
 147 31..27  | 26..25  | 24..20 |19..15| 14...12| 11..7 | 6....0  | function    |
 148 funct5  | SDHQ    | rs2    | rs1  | funct3 | rd    | opcode  |             |
 149  5      | 2       | 5      | 5    | 3      | 5     |   7     |             |
 150 ------  | -----   | -----  | -----| -----  | ----- | ------- | --------    |
 151 11110   | xx      | 00000  | rs1  | 000    | rd    | 1010011 | FMV.W.xx    |
 152 11110   | xx      | xxxxx  | rs1  | yyy    | rd    | 1010011 | rs2? f3?    |
 153 """]]
 154
 155 # funct5 = ?????
 156
 157 [[!table  data="""
 158 31..27  | 26..25  | 24..20 |19..15| 14...12| 11..7 | 6....0  | function    |
 159 funct5  | SDHQ    | rs2    | rs1  | funct3 | rd    | opcode  |             |
 160  5      | 2       | 5      | 5    | 3      | 5     |   7     |             |
 161 ------  | -----   | -----  | -----| -----  | ----- | ------- | --------    |
 162 """]]
 163