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Replace rust_atomic_increment/decrement and rust_compare_and_swap_ptr with intrinsics. #3827

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Merged
merged 3 commits into from
Oct 23, 2012
Merged

Replace rust_atomic_increment/decrement and rust_compare_and_swap_ptr with intrinsics. #3827

merged 3 commits into from
Oct 23, 2012

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luqmana
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@luqmana luqmana commented Oct 22, 2012

Issue #3527

Added some new intrinsics: (compare and exchange)

atomic_cxchg
atomic_cxchg_acq
atomic_cxchg_rel

Though I had to basically copy/paste two functions since the new intrinsic wouldn't be available in stage0 so rust_compare_and_swap_ptr is still used in libcore for stage0.

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brson commented Oct 22, 2012

make check-stage2-core segfaults for me in unwrap_exclusive on x86_64 linux

@brson brson merged commit ed447a7 into rust-lang:incoming Oct 23, 2012
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brson commented Oct 23, 2012

Thanks!

RalfJung pushed a commit to RalfJung/rust that referenced this pull request Aug 30, 2024
@bors
Auto merge of rust-lang#3827 - RalfJung:gc-comment, r=RalfJung
eb7bf6e 
provenance_gc: fix comment

Fixes rust-lang/miri#3826

r? `@saethlin`
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@luqmana @brson