ppc64 is an identifier commonly used within the Linux, GNU Compiler Collection (GCC) and LLVM free software communities to refer to the target architecture for applications optimized for 64-bit big-endian PowerPC and Power ISA processors.
ppc64le is a pure little-endian mode that has been introduced with the POWER8 as the prime target for technologies provided by the OpenPOWER Foundation, aiming at enabling porting of the x86 Linux-based software with minimal effort.
Details
These two identifiers are frequently used when compiling
source code to identify the target architecture.
64-bit Power and PowerPC processors are the following:
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PowerPC 620
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RS64 – Apache, RS64-II Northstar, RS64-III Pulsar/IStar, and RS64-IV SStar
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POWER3 and POWER3-II
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POWER4 and POWER4+
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PowerPC 970, 970FX, 970MP and 970GX
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POWER5 and POWER5+
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PPE in Cell BE, PowerXCell 8i and Xenon.
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PWRficient
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POWER6 and POWER6+
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POWER7 and POWER7+
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A2, A2I (used in the Blue Gene/Q) and A2O
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PowerPC e5500 core based
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PowerPC e6500 core based
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POWER8 – P8-6c Murano, P8-12c Turismo and Venice, P8E (with NVLink) and CP1
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POWER9 – P9C Cumulus, P9N Nimbus and P9 AIO Axone
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Power10
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Microwatt, open source soft core
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Chiselwatt, open source soft core
Defunct 64-bit PowerPC processors are the Motorola G5 and PowerPC e700.
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