In mathematics, an operand is the object of a mathematical operation, i.e., it is the object or quantity that is operated on. The following arithmetic...
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Instruction set architecture (redirect from 0-operand instruction set)
(TTA), only operand(s). Most stack machines have "0-operand" instruction sets in which arithmetic and logical operations lack any operand specifier fields;...
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Operand forwarding (or data forwarding) is an optimization in pipelined CPUs to limit performance deficits which occur due to pipeline stalls. A data...
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units (GPUs). The inputs to an ALU are the data to be operated on, called operands, and a code indicating the operation to be performed; the ALU's output...
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Pentium F00F bug (redirect from Invalid operand with locked CMPXCHG8B instruction)
one offending instruction. More formally, the bug is called the invalid operand with locked CMPXCHG8B instruction bug. In the x86 architecture, the byte...
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two-operand form a ← a + b can now use a non-destructive three-operand form c ← a + b, preserving both source operands. Originally, AVX's three-operand format...
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written ?:, is a binary operator that returns the evaluated first operand if that operand evaluates to a value likened to logically true (according to a...
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decrement operators are unary operators that increase or decrease their operand by one. They are commonly found in imperative programming languages. C-like...
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2-operand instruction. "0000" meant both operands were addressed by their direct 16-bit address. "0100": operand 1 uses reg 1 as its base; operand 2 uses...
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bitwise operations are presented as two-operand instructions where the result replaces one of the input operands. On simple low-cost processors, typically...
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Option–operand separation is a principle of imperative computer programming. It was devised by Bertrand Meyer as part of his pioneering work on the Eiffel...
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specify an operand. Three bits select one of eight addressing modes, and three bits select a general register. The encoding of the six bit operand addressing...
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frame for a method call has an "operand stack" and an array of "local variables".: 2.6 The operand stack is used for operands to computations and for receiving...
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a 16-bit operand size, the address is ANDed with 00FFFFFFh. On Intel (but not AMD) CPUs, the SGDT and SIDT instructions with a 16-bit operand size is –...
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In electronic low power digital synchronous circuit design, operand isolation is a technique for minimizing the energy overhead associated with redundant...
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When the operand is a destination (INC operand, DEC operand) or the operation already includes an immediate source (MOV operand,#data, CJNE operand,#data...
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processor register (or an assigned memory location) used for pointing to operand addresses during the run of a program. It is useful for stepping through...
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with a complementing subtractor. The first operand is passed to the subtract unmodified, the second operand is complemented, and the subtraction generates...
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instruction codes to have up to four operands (plus immediate), where the original scheme allows only two operands (plus immediate). It allows the size...
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up to 4 operands. Like the VEX coding scheme, the EVEX prefix unifies existing opcode prefixes and escape codes, memory addressing and operand length modifiers...
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representation of AND which does its work on the bits of the operands rather than the truth value of the operands. Bitwise binary AND performs logical conjunction...
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the destination. The four-operand form (FMA4) allows a, b, c and d to be four different registers, while the three-operand form (FMA3) requires that d...
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exits. Each frame provides an "operand stack" and an array of "local variables". The operand stack is used for operands to run computations and for receiving...
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the index is scaled by the operand length. Indirect The instruction specifies the location of a word that describes the operand, possibly involving multiple...
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section to the front. The input section has 8 dials with knobs to set the operand number, a telephone-like dial to the right to set the multiplier digit...
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input of all zero bits is usually 0 for ffs, and the bit length of the operand for the other operations. If one has a hardware clz or equivalent, ctz...
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can additionally specify that the rows are the first operand and the columns are the second operand. This condensed notation is particularly useful in discussing...
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constant field and a set of instructions that take XMM0 as an implicit third operand. Several of these instructions are enabled by the single-cycle shuffle...
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appended. In XPath the << operator returns true if the left operand precedes the right operand in document order; otherwise it returns false. In PHP, operator...
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