mathematics, an operand is the object of a mathematical operation, i.e., it is the object or quantity that is operated on. Unknown operands in equalities...
8 KB (1,163 words) - 15:50, 13 March 2025
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;...
35 KB (4,329 words) - 14:46, 11 June 2025
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 (opcode); the ALU's...
27 KB (3,326 words) - 15:57, 30 May 2025
bitwise operations are presented as two-operand instructions where the result replaces one of the input operands. On simple low-cost processors, typically...
31 KB (3,832 words) - 04:27, 10 April 2025
Operand forwarding (or data forwarding) is an optimization in pipelined CPUs to limit performance deficits which occur due to pipeline stalls. A data...
4 KB (229 words) - 10:04, 13 March 2022
In electronic low power digital synchronous circuit design, operand isolation is a technique for minimizing the energy overhead associated with redundant...
2 KB (229 words) - 17:38, 4 May 2022
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...
51 KB (4,089 words) - 23:38, 15 May 2025
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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operator, often written ?:, is a binary operator that evaluates its first operand and returns it if its value is logically true (according to a language-dependent...
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most modern and widely used. The and of a set of operands is true if and only if all of its operands are true, i.e., A ∧ B {\displaystyle A\land B} is...
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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...
58 KB (6,418 words) - 13:11, 22 May 2025
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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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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architecture identify the operand(s) of each instruction. An addressing mode specifies how to calculate the effective memory address of an operand by using information...
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only the (logically) last one need actually be written. It checks if the operands are available (RAW) and if execution unit is free (Structural hazard) before...
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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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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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index is scaled by the operand length. Indirect The instruction specifies the location of a pointer word that describes the operand, possibly involving multiple...
34 KB (1,849 words) - 15:23, 13 June 2025
accumulator machines, with a common accumulator "W" being one operand in all 2-operand instructions. In the instruction set tables that follow, register...
148 KB (4,299 words) - 11:16, 24 February 2025
machine model. Stack machine (0-operand machine) Accumulator machine (1-operand machine) Register machine (2,3,... operand machine) Random-access machine...
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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...
11 KB (1,341 words) - 22:27, 15 June 2024
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 –...
263 KB (14,911 words) - 15:01, 7 May 2025
integer formats. In 64-bit mode, instructions are modified to support 64-bit operands and 64-bit addressing mode. The x86-64 architecture defines a compatibility...
125 KB (12,493 words) - 21:29, 8 June 2025
parentheses. If an operand is both preceded and followed by operators (for example, ^ 3 ^), and those operators have equal precedence, then the operand may be used...
11 KB (1,286 words) - 20:08, 4 May 2024
linear sequence of tokens are divided into two classes: operators and operands. Operands are objects upon which the operators operate. These include literal...
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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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language is represented by a mnemonic which often combines with one or more operands to translate into one or more bytes known as an opcode. For example, the...
57 KB (6,615 words) - 19:32, 6 June 2025
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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separate 12-bit (4096 byte) program space. Operands are always 1 byte long, and some instructions support two operands, such as "move 8-bit immediate to 8-bit...
27 KB (965 words) - 01:53, 21 November 2023
of two operands that are expected to be numbers) that favor numbers — if just one of the operands is a NaN then the value of the other operand is returned...
30 KB (3,755 words) - 00:04, 16 May 2025