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Add a min_atomic_width target option, like max_atomic_width #38579

Merged
merged 1 commit into from
Dec 28, 2016
Merged

Add a min_atomic_width target option, like max_atomic_width #38579

merged 1 commit into from
Dec 28, 2016

Commits on Dec 24, 2016

  1. Add a min_atomic_width target option, like max_atomic_width. 

    Rationale: some ISAs, e.g. OR1K, do not have atomic instructions
for byte and halfword access, and at the same time do not have
a fixed endianness, which makes it unreasonable to implement these
through word-sized atomic accesses.
    @whitequark
    whitequark committed Dec 24, 2016
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