Bump portable-atomic from 1.6.0 to 1.9.0

[dependabot]

Bumps portable-atomic from 1.6.0 to 1.9.0.

Changelog

Sourced from portable-atomic's changelog.

[1.9.0] - 2024-09-28

• RISC-V without A-extension: Support RMW when Zaamo extension enabled (even when unsafe-assume-single-core disabled). (#185, 9983a8b) See "operations don't require disabling interrupts" list in interrupt module's readme for the operations provided.

• Support run-time detection of RISC-V Zacas extension (currently disabled by default). (#183)

• Support 128-bit atomics on Arm64EC (currently nightly-only) (#184)

• Improve compile-time detection of powerpc64 quadword-atomics. (3eb8507)

[1.8.0] - 2024-09-20

• Improve diagnostics when method that requires CAS is unavailable. (#181)

  Before:

  error[E0599]: no method named `compare_exchange` found for struct `portable_atomic::AtomicUsize` in the current scope
    --> src/race.rs:60:24
     |
  60 |             self.inner.compare_exchange(0, value.get(), Ordering::AcqRel, Ordering::Acquire);
     |                        ^^^^^^^^^^^^^^^^ method not found in `AtomicUsize`
  

  After:

  error[E0277]: `compare_exchange` requires atomic CAS but not available on this target by default
      --> src/race.rs:60:24
       |
  60   |             self.inner.compare_exchange(0, value.get(), Ordering::AcqRel, Ordering::Acquire);
       |                        ^^^^^^^^^^^^^^^^ this associated function is not available on this target by default
       |
       = help: the trait `HasCompareExchange` is not implemented for `&portable_atomic::AtomicUsize`
       = note: consider enabling one of the `unsafe-assume-single-core` or `critical-section` Cargo features
       = note: see <https://docs.rs/portable-atomic/latest/portable_atomic/#optional-features> for more.
  

• Improve compile error messages for some other cases (19716ac, 61dcaaa)

• Various improvements to RISC-V.

  • riscv64: Support 128-bit atomics when Zacas extension enabled. (173) This is currently marked as experimental because LLVM marking the corresponding target feature as experimental.
  • riscv32: Support 64-bit atomics when Zacas extension enabled. (173) This is currently marked as experimental because LLVM marking the corresponding target feature as experimental.
  • Improvements for RISC-V without A-extension:
    • Support zaamo target feature. When building for single-core RISC-V without A-extension, this is equivalent to force-amo feature (8abba4b)
    • Support zabha target feature. (694364a)
    • Strengthen SeqCst store to improve compatibility with code that uses atomic instruction mapping that differs from LLVM and GCC. (5b10b15)

• Improve support of run-time detection and outline-atomics:

... (truncated)

Commits

• 76d9ad5 Release portable-atomic 1.9.0
• 7b75991 tools: Update tidy.sh
• ab67826 Update changelog
• d587a5f tests: Clean up helper macros
• 3b19e14 codegen: Update tests/helper/src/gen/sys
• 3eb8507 powerpc64: quadword-atomics target_feature now available on rustc side
• 66b25f8 ci: Use taiki-e/github-actions/install-rust action
• d57150e ci: Update FreeBSD 13 to 13.4
• 02597c5 Document portable_atomic_target_feature="zaamo" cfg
• 9983a8b riscv: Provide all operations of AtomicBool when Zaamo enabled
• Additional commits viewable in compare view

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[defihook]

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