Cortex-A57: Add link to software optimization guide
This patch adds a link to the Cortex-A57 Software Optimization Guide in the ARM CPU Specific Build Macros document to justify the default value of the A57_DISABLE_NON_TEMPORAL_HINT build flag. Change-Id: I9779e42a4bb118442b2b64717ce143314ec9dd16
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@ -85,8 +85,12 @@ architecture that can be enabled by the platform as desired.
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* `A57_DISABLE_NON_TEMPORAL_HINT`: This flag has the same behaviour as
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`A53_DISABLE_NON_TEMPORAL_HINT` but for Cortex-A57. This needs to be
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enabled only for revisions <= r1p2 of the CPU and is enabled by default.
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enabled only for revisions <= r1p2 of the CPU and is enabled by default,
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as recommended in section "4.7 Non-Temporal Loads/Stores" of the
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[Cortex-A57 Software Optimization Guide][A57 SW Optimization Guide].
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_Copyright (c) 2014-2016, ARM Limited and Contributors. All rights reserved._
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[A57 SW Optimization Guide]: http://infocenter.arm.com/help/topic/com.arm.doc.uan0015b/Cortex_A57_Software_Optimization_Guide_external.pdf
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