Paket: sse2-support (21)

CPU feature checking - require SSE2

The packages in the isa-support family probe for microprocessor Instruction Set Architecture features such as SSE3. By refusing to install on machines lacking a required feature, they allow ISA requirements to be handled in terms of package dependencies.

This is a mostly dummy package which checks for SSE2 and refuses to install on unsupported hardware.

Streaming SIMD Extensions (SSE) is a single instruction, multiple data (SIMD) instruction set extension.

SSE2 was an incremental upgrade to SSE intended to fully replace the earlier MMX instruction set. It is available on processors from Pentium 4 onward, including all 64-bit capable ones, but not on Pentium 3, Athlon XP, Via C3, Quark, or older processors.

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