MMIX Opcodes
Content
MMIX Opcodes
| #0 | #1 | #2 | #3 | #4 | #5 | #6 | #7 | ||
|---|---|---|---|---|---|---|---|---|---|
| #0x | TRAP 5υ | FCMP υ | FUN υ | FEQL υ | FADD 4υ | FIX 4υ | FSUB 4υ | FIXU 4υ | #0x |
| FLOT[I] 4υ | FLOTU[I] 4υ | SFLOT[I] 4υ | SFLOTU[I] 4υ | ||||||
| #1x | FMUL 4υ | FCMPE 4υ | FUNE υ | FEQLE 4υ | FDIV 40υ | FSQRT 40υ | FREM 4υ | FINT 4υ | #1x |
| MUL[I] 10υ | MULU[I] 10υ | DIV[I] 60υ | DIVU[I] 60υ | ||||||
| #2x | ADD[I] υ | ADDU[I] υ | SUB[I] υ | SUBU[I] υ | #2x | ||||
| 2ADDU[I] υ | 4ADDU[I] υ | 8ADDU[I] υ | 16ADDU[I] υ | ||||||
| #3x | CMP[I] υ | CMPU[I] υ | NEG[I] υ | NEGU[I] υ | #3x | ||||
| SL[I] υ | SLU[I] υ | SR[I] υ | SRU[I] υ | ||||||
| #4x | BN[B] υ + π | BZ[B] υ + π | BP[B] υ + π | BOD[B] υ + π | #4x | ||||
| BNN[B] υ + π | BNZ[B] υ + π | BNP[B] υ + π | BEV[B] υ + π | ||||||
| #5x | PBN[B] 3υ - π | PBZ[B] 3υ - π | PBP[B] 3υ - π | PBOD[B] 3υ - π | #5x | ||||
| PBNN[B] 3υ - π | PBNZ[B] 3υ - π | PBNP[B] 3υ - π | PBEV[B] 3υ - π | ||||||
| #6x | CSN[I] υ | CSZ[I] υ | CSP[I] υ | CSOD[I] υ | #6x | ||||
| CSNN[I] υ | CSNZ[I] υ | CSNP[I] υ | CSEV[I] υ | ||||||
| #7x | ZSN[I] υ | ZSZ[I] υ | ZSP[I] υ | ZSOD[I] υ | #7x | ||||
| ZSNN[I] υ | ZSNZ[I] υ | ZSNP[I] υ | ZSEV[I] υ | ||||||
| #8x | LDB[I] μ + υ | LDBU[I] μ + υ | LDW[I] μ + υ | LDWU[I] μ + υ | #8x | ||||
| LDT[I] μ + υ | LDTU[I] μ + υ | LDO[I] μ + υ | LDOU[I] μ + υ | ||||||
| #9x | LDSF[I] μ + υ | LDHT[I] μ + υ | CSWAP[I] 2μ + 2υ | LDUNC[I] μ + υ | #9x | ||||
| LDVTS[I] υ | PRELD[I] υ | PREGO[I] υ | GO[I] 3υ | ||||||
| #Ax | STB[I] μ + υ | STBU[I] μ + υ | STW[I] μ + υ | STWU[I] μ + υ | #Ax | ||||
| STT[I] μ + υ | STTU[I] μ + υ | STO[I] μ + υ | STOU[I] μ + υ | ||||||
| #Bx | STSF[I] μ + υ | STHT[I] μ + υ | STCO[I] μ + υ | STUNC[I] μ + υ | #Bx | ||||
| SYNCD[I] υ | PREST[I] υ | SYNCID[I] υ | PUSHGO[I] 3υ | ||||||
| #Cx | OR[I] υ | ORN[I] υ | NOR[I] υ | XOR[I] υ | #Cx | ||||
| AND[I] υ | ANDN[I] υ | NAND[I] υ | NXOR[I] υ | ||||||
| #Dx | BDIF[I] υ | WDIF[I] υ | TDIF[I] υ | ODIF[I] υ | #Dx | ||||
| MUX[I] υ | SADD[I] υ | MOR[I] υ | MXOR[I] υ | ||||||
| #Ex | SETH υ | SETMH υ | SETML υ | SETL υ | INCH υ | INCMH υ | INCML υ | INCL υ | #Ex |
| ORH υ | ORMH υ | ORML υ | ORL υ | ANDNH υ | ANDNMH υ | ANDNML υ | ANDNL υ | ||
| #Fx | JMP[B] υ | PUSHJ[B] υ | GETA[B] υ | PUT[I] υ | #Fx | ||||
| POP 3υ | RESUME 5υ | [UN]SAVE 20μ + υ | SYNC υ | SWYM υ | GET υ | TRIP 5υ | |||
| #8 | #9 | #A | #B | #C | #D | #E | #F | ||
Example:
- LDBU with register Operand: #82.
- LDBU with immediate Operand: #83.
- LDTU with register Operand: #8A.
- LDTU with immediate Operand: #8B.
Timing:
- υ one MMIX cycle
- μ one MMIX memory access
- π = 2υ if branch is taken π = 0, if branch is not taken
