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X87

Index X87

x87 is a floating point-related subset of the x86 architecture instruction set. [1]

77 relations: Accumulator (computing), Advanced Micro Devices, AMD K6, Arity, Assembly language, Athlon, Athlon 64, Barrel shifter, Binary relation, Bus (computing), Call stack, Chips and Technologies, CHMOS, CMOS, Code generation (compiler), Compiler, Coprocessor, CORDIC, Cyrix, Cyrix 6x86, Cyrix Cx486SLC, Embedded system, Extended precision, Fabless manufacturing, Floating-point arithmetic, Floating-point unit, Fujitsu, Glue logic, Harris Corporation, IBM, IEEE 754-1985, Instruction set architecture, Integrated Device Technology, Intel, Intel 80186, Intel 80286, Intel 80386, Intel 80387SX, Intel 80486, Intel 8086, Intel 8088, Interrupt, Interrupt vector table, Machine code, Microcode, Microprocessor, MMX (instruction set), National Semiconductor, NexGen, P5 (microarchitecture), ..., Pentium 4, Pentium II, Pentium Pro, Rise Technology, Round-off error, Significand, Significant figures, SIMD, SSE2, SSE3, SSE4, SSE5, SSSE3, Stack (abstract data type), STMicroelectronics, Streaming SIMD Extensions, Superscalar processor, Texas Instruments, Transmeta, Trigonometric functions, Very-large-scale integration, VIA Technologies, WinChip, X86, 3DNow!, 64-bit computing, 8x8. Expand index (27 more) »

Accumulator (computing)

In a computer's central processing unit (CPU), an accumulator is a register in which intermediate arithmetic and logic results are stored.

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Advanced Micro Devices

Advanced Micro Devices, Inc. (AMD) is an American multinational semiconductor company based in Santa Clara, California, that develops computer processors and related technologies for business and consumer markets.

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AMD K6

The K6 microprocessor was launched by AMD in 1997.

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Arity

In logic, mathematics, and computer science, the arity of a function or operation is the number of arguments or operands that the function takes.

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Assembly language

An assembly (or assembler) language, often abbreviated asm, is a low-level programming language, in which there is a very strong (but often not one-to-one) correspondence between the assembly program statements and the architecture's machine code instructions.

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Athlon

Athlon is the brand name applied to a series of x86-compatible microprocessors designed and manufactured by Advanced Micro Devices (AMD).

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Athlon 64

The Athlon 64 is an eighth-generation, AMD64-architecture microprocessor produced by AMD, released on September 23, 2003.

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Barrel shifter

A barrel shifter is a digital circuit that can shift a data word by a specified number of bits without the use of any sequential logic, only pure combinational logic.

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Binary relation

In mathematics, a binary relation on a set A is a set of ordered pairs of elements of A. In other words, it is a subset of the Cartesian product A2.

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Bus (computing)

In computer architecture, a bus (a contraction of the Latin omnibus) is a communication system that transfers data between components inside a computer, or between computers.

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Call stack

In computer science, a call stack is a stack data structure that stores information about the active subroutines of a computer program.

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Chips and Technologies

Chips and Technologies (C&T), founded in Milpitas, California in December 1984 by Gordon A. Campbell and Dado Banatao, was perhaps the first fabless semiconductor company, a model developed by Campbell.

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CHMOS

CHMOS refers to one of a series of Intel CMOS processes developed from their HMOS process.

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CMOS

Complementary metal–oxide–semiconductor, abbreviated as CMOS, is a technology for constructing integrated circuits.

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Code generation (compiler)

In computing, code generation is the process by which a compiler's code generator converts some intermediate representation of source code into a form (e.g., machine code) that can be readily executed by a machine.

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Compiler

A compiler is computer software that transforms computer code written in one programming language (the source language) into another programming language (the target language).

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Coprocessor

A coprocessor is a computer processor used to supplement the functions of the primary processor (the CPU).

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CORDIC

CORDIC (for COordinate Rotation DIgital Computer), also known as Volder's algorithm, is a simple and efficient algorithm to calculate hyperbolic and trigonometric functions, typically converging with one digit (or bit) per iteration.

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Cyrix

Cyrix Corporation was a microprocessor developer that was founded in 1988 in Richardson, Texas, as a specialist supplier of math coprocessors for 286 and 386 microprocessors.

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Cyrix 6x86

The Cyrix 6x86 (codename M1) is a sixth-generation, 32-bit x86 microprocessor designed by Cyrix and manufactured by IBM and SGS-Thomson.

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Cyrix Cx486SLC

The Cyrix Cx486SLC was Cyrix's first CPU offering, released after years of selling coprocessors that competed with Intel's units and offered better performance at a comparable or lower price.

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Embedded system

An embedded system is a computer system with a dedicated function within a larger mechanical or electrical system, often with real-time computing constraints.

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Extended precision

Extended precision refers to floating point number formats that provide greater precision than the basic floating point formats.

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Fabless manufacturing

Fabless manufacturing is the design and sale of hardware devices and semiconductor chips while outsourcing the fabrication (or "fab") of the devices to a specialized manufacturer called a semiconductor foundry.

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Floating-point arithmetic

In computing, floating-point arithmetic is arithmetic using formulaic representation of real numbers as an approximation so as to support a trade-off between range and precision.

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Floating-point unit

A floating-point unit (FPU, colloquially a math coprocessor) is a part of a computer system specially designed to carry out operations on floating point numbers.

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Fujitsu

is a Japanese multinational information technology equipment and services company headquartered in Tokyo, Japan.

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Glue logic

In electronics, glue logic is the custom logic circuitry used to interface a number of off-the-shelf integrated circuits.

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Harris Corporation

Harris Corporation is an American technology company, defense contractor and information technology services provider that produces wireless equipment, tactical radios, electronic systems, night vision equipment and both terrestrial and spaceborne antennas for use in the government, defense and commercial sectors.

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IBM

The International Business Machines Corporation (IBM) is an American multinational technology company headquartered in Armonk, New York, United States, with operations in over 170 countries.

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IEEE 754-1985

IEEE 754-1985 was an industry standard for representing floating-point numbers in computers, officially adopted in 1985 and superseded in 2008 by IEEE 754-2008.

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Instruction set architecture

An instruction set architecture (ISA) is an abstract model of a computer.

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Integrated Device Technology

Integrated Device Technology, Inc. is a publicly traded American corporation headquartered in San Jose, California, that designs, manufactures, and markets low-power, high-performance mixed-signal semiconductor solutions for the advanced communications, computing, and consumer industries.

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Intel

Intel Corporation (stylized as intel) is an American multinational corporation and technology company headquartered in Santa Clara, California, in the Silicon Valley.

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Intel 80186

The Intel 80186, also known as the iAPX 186, or just 186, is a microprocessor and microcontroller introduced in 1982.

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Intel 80286

The Intel 80286 (also marketed as the iAPX 286 and often called Intel 286) is a 16-bit microprocessor that was introduced on 1 February 1982.

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Intel 80386

The Intel 80386, also known as i386 or just 386, is a 32-bit microprocessor introduced in 1985.

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Intel 80387SX

The Intel 80387SX (387SX or i387SX) is the math coprocessor for the Intel 80386SX microprocessor.

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Intel 80486

The Intel 80486, also known as the i486 or 486, is a higher performance follow-up to the Intel 80386 microprocessor.

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Intel 8086

The 8086 (also called iAPX 86) is a 16-bit microprocessor chip designed by Intel between early 1976 and mid-1978, when it was released.

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Intel 8088

The Intel 8088 ("eighty-eighty-eight", also called iAPX 88) microprocessor is a variant of the Intel 8086.

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Interrupt

In system programming, an interrupt is a signal to the processor emitted by hardware or software indicating an event that needs immediate attention.

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Interrupt vector table

An "interrupt vector table" (IVT) is a data structure that associates a list of interrupt handlers with a list of interrupt requests in a table of interrupt vectors.

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Machine code

Machine code is a computer program written in machine language instructions that can be executed directly by a computer's central processing unit (CPU).

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Microcode

Microcode is a computer hardware technique that imposes an interpreter between the CPU hardware and the programmer-visible instruction set architecture of the computer.

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Microprocessor

A microprocessor is a computer processor that incorporates the functions of a central processing unit on a single integrated circuit (IC), or at most a few integrated circuits.

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MMX (instruction set)

MMX is a single instruction, multiple data (SIMD) instruction set designed by Intel, introduced in 1997 with its P5-based Pentium line of microprocessors, designated as "Pentium with MMX Technology".

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National Semiconductor

National Semiconductor was an American semiconductor manufacturer which specialized in analog devices and subsystems, formerly with headquarters in Santa Clara, California, United States.

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NexGen

NexGen (Milpitas, California) was a private semiconductor company that designed x86 microprocessors until it was purchased by AMD in 1996.

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P5 (microarchitecture)

The first Pentium microprocessor was introduced by Intel on March 22, 1993.

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Pentium 4

Pentium 4 is a brand by Intel for an entire series of single-core CPUs for desktops, laptops and entry-level servers.

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Pentium II

The Pentium II brand refers to Intel's sixth-generation microarchitecture ("P6") and x86-compatible microprocessors introduced on May 7, 1997.

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Pentium Pro

The Pentium Pro is a sixth-generation x86 microprocessor developed and manufactured by Intel introduced in November 1, 1995.

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Rise Technology

Rise Technology was a short lived microprocessor manufacturer that produced the Intel x86 MMX compatible mP6 processor.is a microprocessor that is designed to perform a smaller number of types of computer instructions so that it can operate at a higher speed (perform more millions of instructions per second, or MIPS).

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Round-off error

A round-off error, also called rounding error, is the difference between the calculated approximation of a number and its exact mathematical value due to rounding.

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Significand

The significand (also mantissa or coefficient) is part of a number in scientific notation or a floating-point number, consisting of its significant digits.

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Significant figures

The significant figures (also known as the significant digits) of a number are digits that carry meaning contributing to its measurement resolution.

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SIMD

Single instruction, multiple data (SIMD) is a class of parallel computers in Flynn's taxonomy.

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SSE2

SSE2 (Streaming SIMD Extensions 2) is one of the Intel SIMD (Single Instruction, Multiple Data) processor supplementary instruction sets first introduced by Intel with the initial version of the Pentium 4 in 2000.

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SSE3

SSE3, Streaming SIMD Extensions 3, also known by its Intel code name Prescott New Instructions (PNI), is the third iteration of the SSE instruction set for the IA-32 (x86) architecture.

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SSE4

SSE4 (Streaming SIMD Extensions 4) is a SIMD CPU instruction set used in the Intel Core microarchitecture and AMD K10 (K8L).

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SSE5

The SSE5 (short for Streaming SIMD Extensions version 5) was a SIMD instruction set extension proposed by AMD on 30 August 2007 as a supplement to the 128-bit SSE core instructions in the AMD64 architecture.

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SSSE3

Supplemental Streaming SIMD Extensions 3 (SSSE3 or SSE3S) is a SIMD instruction set created by Intel and is the fourth iteration of the SSE technology.

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Stack (abstract data type)

In computer science, a stack is an abstract data type that serves as a collection of elements, with two principal operations.

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STMicroelectronics

STMicroelectronics is a French-Italian multinational electronics and semiconductor manufacturer headquartered in Geneva, Switzerland.

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Streaming SIMD Extensions

In computing, Streaming SIMD Extensions (SSE) is an SIMD instruction set extension to the x86 architecture, designed by Intel and introduced in 1999 in their Pentium III series of processors shortly after the appearance of AMD's 3DNow!.

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Superscalar processor

A superscalar processor is a CPU that implements a form of parallelism called instruction-level parallelism within a single processor.

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Texas Instruments

Texas Instruments Inc. (TI) is an American technology company that designs and manufactures semiconductors and various integrated circuits, which it sells to electronics designers and manufacturers globally.

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Transmeta

Transmeta Corporation was an American fabless semiconductor company based in Santa Clara, California.

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Trigonometric functions

In mathematics, the trigonometric functions (also called circular functions, angle functions or goniometric functions) are functions of an angle.

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Very-large-scale integration

Very-large-scale integration (VLSI) is the process of creating an integrated circuit (IC) by combining hundreds of thousands of transistors or devices into a single chip.

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VIA Technologies

VIA Technologies Inc., is a Taiwanese manufacturer of integrated circuits, mainly motherboard chipsets, CPUs, and memory.

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WinChip

The WinChip series was a low-power Socket 7-based x86 processor designed by Centaur Technology and marketed by its parent company IDT.

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X86

x86 is a family of backward-compatible instruction set architectures based on the Intel 8086 CPU and its Intel 8088 variant.

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3DNow!

3DNow! is an extension to the x86 instruction set developed by Advanced Micro Devices (AMD).

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64-bit computing

In computer architecture, 64-bit computing is the use of processors that have datapath widths, integer size, and memory address widths of 64 bits (eight octets).

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8x8

8x8 Inc. is a provider of cloud communications and customer engagement solutions.

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Redirects here:

80187, 80287, 80287 Microprocessor, 80387, 80387 Microprocessor, 80487, 80x87, I287, I387, I487, IAPX 187, IAPX 287, Intel 387, Intel 80187, Intel 80287, Intel 80387, Intel 80487, Intel 80487SX, Intel 80x87, NPX, Numeric processor extension, X87 FPU.

References

[1] https://en.wikipedia.org/wiki/X87

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