Complex Instruction Set Computing
GPTKB entity
Statements (24)
Predicate | Object |
---|---|
gptkbp:instanceOf |
gptkb:architecture
|
gptkbp:abbreviation |
CISC
|
gptkbp:category |
CPU design
|
gptkbp:contrastsWith |
gptkb:Reduced_Instruction_Set_Computing
|
gptkbp:emergedIn |
1970s
|
gptkbp:example |
gptkb:Motorola_68000
gptkb:Intel_8086 gptkb:IBM_System/370 |
gptkbp:feature |
variable-length instructions
complex addressing modes large set of instructions |
gptkbp:focus |
hardware implementation of complex instructions
|
gptkbp:goal |
reduce number of instructions per program
simplify compiler design |
https://www.w3.org/2000/01/rdf-schema#label |
Complex Instruction Set Computing
|
gptkbp:influencedBy |
early memory constraints
|
gptkbp:opposedBy |
RISC design philosophy
|
gptkbp:type |
multi-step operations in single instruction
|
gptkbp:usedIn |
gptkb:x86_architecture
gptkb:VAX_architecture gptkb:System/360_architecture |
gptkbp:bfsParent |
gptkb:CISC_(Complex_Instruction_Set_Computing)
gptkb:Reduced_Instruction_Set_Computing |
gptkbp:bfsLayer |
8
|