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Add Cortex-M targets to the compiler + binary releases of core #1645

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Add Cortex-M targets to the compiler + binary releases of core #1645

wants to merge 5 commits into from

Commits on Jun 8, 2016

  1. Add Cortex-M targets to the compiler + binary releases of `core

    Jorge Aparicio committed Jun 8, 2016
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Commits on Jun 17, 2016

  1. re-use the existing rust-std component instead of introducing a new one 

    it's possible to package a rust-std component with a smaller set of crates so there is no need to
define a new rust-core component. We can always add a new rust-core component later on if desired.
    Jorge Aparicio committed Jun 17, 2016
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Commits on Jul 31, 2016

  1. thumbv7em-none-eabihf will emit FPU instructions 

    it appears that LLVM doesn't allow *not* emitting FPU instructions and
using the hard float ABI at the same time, so this is only available
choice.
    Jorge Aparicio committed Jul 31, 2016
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  2. use +strict-align on ARMv6-M based micros 

    "Without it, a possibly-aligned ptr::copy_nonoverlapping of 2 bytes gets
mis-optimized into a load-halfword/store-halfword." -- @SimonSapin

rust-lang#1645 (comment)
rust-lang#1645 (comment)
rust-lang#1645 (comment)
    Jorge Aparicio committed Jul 31, 2016
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Commits on Aug 2, 2016

  1. add "max-atomic-width": 0 to ARMv6-M targets

    Jorge Aparicio committed Aug 2, 2016
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