x86-64-v2-support
CPU feature checking - require x86-64-v2
Description
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 x86-64-v2 and refuses to install on unsupported hardware. This is the Micro-Architecture Levels version 2 as defined by the amd64 ABI document. This includes: - cmov instruction (CMOV instruction set),
- cmpxchg8b ant other 64 bits atomics instruction (CX8 instruction set),
- MMX a single instruction, multiple data (SIMD) instruction set,
- streaming SIMD Extensions (SSE) set, a single instruction, multiple data
(SIMD) instruction set extension,
- SSE2 an incremental upgrade to SSE.
- cmpxchg16b ant other 128 bits atomics instruction (CX16 instruction set),
- SSE3, also called PNI (Prescott New Instructions), is an incremental upgrade
to SSE2
- SSE4.1 added a dot product instruction and additional integer instructions.
- SSE4.2 added string and text processing instructions that perform character
searches and comparison on two operands of 16 bytes at a time.
- SSSE3 or Supplemental Streaming SIMD Extension 3.
The corresponding micro-architecture level from the x86-64 psABI.
On ABIs other than the x86-64 psABI they select the same CPU features
as the x86-64 psABI documents for the particular micro-architecture level.Upload more screenshots
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