summaryrefslogtreecommitdiffstats
path: root/vendor/portable-atomic/CHANGELOG.md
blob: f36c9aefe64982c3a3f5810f081db71393d01e19 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
# Changelog

All notable changes to this project will be documented in this file.

This project adheres to [Semantic Versioning](https://semver.org).

<!--
Note: In this file, do not use the hard wrap in the middle of a sentence for compatibility with GitHub comment style markdown rendering.
-->

## [Unreleased]

## [1.5.1] - 2023-10-29

- Fix bug in `i{8,16}` `fetch_{or,xor}` on RISC-V without A-extension where `unsafe-assume-single-core` and `force-amo` are enabled.

- Optimize `swap` for targets that do not have native atomic CAS instructions.

## [1.5.0] - 2023-10-23

**Note:** This release has been yanked due to a bug fixed in 1.5.1.

- Add `from_ptr`.

- Add `force-amo` feature (`portable_atomic_force_amo` cfg) for single-core RISC-V without A-extension. ([#124](https://github.com/taiki-e/portable-atomic/pull/124))

- Support run-time detection on AArch64 on pre-1.61 rustc. ([#98](https://github.com/taiki-e/portable-atomic/pull/98))

  This also solves [a compatibility issue with rustc_codegen_cranelift](https://github.com/rust-lang/rustc_codegen_cranelift/issues/1400).

- Support run-time detection of FEAT_LSE2. ([#126](https://github.com/taiki-e/portable-atomic/pull/126))

- Support run-time detection of FEAT_LSE on AArch64 NetBSD. ([#66](https://github.com/taiki-e/portable-atomic/pull/66))

- Acknowledge ESP-IDF targets' 64-bit atomics are not lock-free. See [#122](https://github.com/taiki-e/portable-atomic/issues/122) for more.

- Optimize 128-bit weak CAS on powerpc64.

- Optimize interrupt disable on no-std pre-v6 ARM where `unsafe-assume-single-core` and `disable-fiq` are enabled. ([771c45d](https://github.com/taiki-e/portable-atomic/commit/771c45da2d2afc4f83df033dd4bdf3f976d14a74))

- Improve detection of Apple hardware. ([5c3a43b](https://github.com/taiki-e/portable-atomic/commit/5c3a43b53f1c4188f9dd597599633bc1a315bf44))

- Improve compatibility with the future version of Miri.

## [1.4.3] - 2023-08-25

- Optimize AArch64 128-bit atomic store/swap/fetch_and/fetch_or when the `lse128` target feature is enabled at compile-time. ([#68](https://github.com/taiki-e/portable-atomic/pull/68))

- Optimize AArch64 128-bit atomic load/store when the `rcpc3` target feature is enabled at compile-time. ([#68](https://github.com/taiki-e/portable-atomic/pull/68))

- Optimize inline assemblies on ARM, AArch64, and MSP430.

## [1.4.2] - 2023-07-27

- Optimize `AtomicBool` on RISC-V/LoongArch64. This is the same as [rust-lang/rust#114034](https://github.com/rust-lang/rust/pull/114034), but is available for all rustc versions.

## [1.4.1] - 2023-07-15

- Improve compatibility with the future version of Miri.

## [1.4.0] - 2023-07-11

- Allow using embedded-related cfgs as Cargo features. ([#94](https://github.com/taiki-e/portable-atomic/pull/94), thanks @Dirbaio)

  Originally, we were providing these as cfgs instead of features, but based on a strong request from the embedded ecosystem, we have agreed to provide them as features as well. See [#94](https://github.com/taiki-e/portable-atomic/pull/94) for more.

  cfgs are kept and can be used as aliases for features.

- Acknowledge all x86_64 Apple targets support 128-bit atomics.

  Our code already recognizes this via `cfg(target_feature)`, so this only affects docs and users using pre-1.69 stable rustc.

  See also [rust-lang/rust#112150](https://github.com/rust-lang/rust/pull/112150).

- Optimize 128-bit atomics on aarch64/s390x.

## [1.3.3] - 2023-05-31

- Fix build error on aarch64 ILP32 ABI targets (tier 3).

- Optimize 128-bit atomics on s390x.

## [1.3.2] - 2023-05-09

- Fix bug in powerpc64/s390x 128-bit atomic RMWs on old nightly.

- Optimize 128-bit atomics on powerpc64/s390x.

## [1.3.1] - 2023-05-07

- Documentation improvements.

## [1.3.0] - 2023-05-06

- Add `require-cas` feature. ([#100](https://github.com/taiki-e/portable-atomic/pull/100))

  If your crate supports no-std environment and requires atomic CAS, enabling this feature will allow the `portable-atomic` to display helpful error messages to users on targets requiring additional action on the user side to provide atomic CAS.

  ```toml
  [dependencies]
  portable-atomic = { version = "1.3", default-features = false, features = ["require-cas"] }
  ```

  See [#100](https://github.com/taiki-e/portable-atomic/pull/100) for more.

- Support `portable_atomic_unsafe_assume_single_core` cfg on Xtensa targets without atomic CAS. ([#86](https://github.com/taiki-e/portable-atomic/pull/86))

- Fix bug in AArch64 128-bit SeqCst load when FEAT_LSE2 is enabled at compile-time. This is [the same bug that was fixed in the recently released GCC 13.1](https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108891). LLVM also has the same bug, which had not yet been fixed when the patch was created; I will open a bug report if necessary after looking into the situation in LLVM. ([a29154b](https://github.com/taiki-e/portable-atomic/commit/a29154b21da270e90cb86f6865b591ab36eade7d))

- Fix compile error on `bpf{eb,el}-unknown-none` (tier 3) and `mipsel-sony-psx` (tier 3) when `critical-section` feature is disabled.

- Various optimizations
  - Optimize x86_64 128-bit outline-atomics. This improves performance by up to 15% in concurrent RMW/store for cases where the `cmpxchg16b` target feature is not available at compile-time. ([40c4cd4](https://github.com/taiki-e/portable-atomic/commit/40c4cd4f682f1cb153f18d4d6a88795bafaf5667))
  - Optimize x86_64 128-bit load that uses cmpxchg16b. ([40c4cd4](https://github.com/taiki-e/portable-atomic/commit/40c4cd4f682f1cb153f18d4d6a88795bafaf5667))
  - Optimize aarch64 128-bit load that uses FEAT_LSE. ([40c4cd4](https://github.com/taiki-e/portable-atomic/commit/40c4cd4f682f1cb153f18d4d6a88795bafaf5667))
  - Optimize pre-ARMv6 Linux/Android 64-bit atomics. ([efacc89](https://github.com/taiki-e/portable-atomic/commit/efacc89c210d7a34ef5e879821112189da5d1901))
  - Support outline-atomics for powerpc64 128-bit atomics. This is currently disabled by default, and can be enabled by `--cfg portable_atomic_outline_atomics`. ([#90](https://github.com/taiki-e/portable-atomic/pull/90))
  - Optimize aarch64 outline-atomics on linux-musl. On linux-musl, outline-atomics is enabled by default only when dynamic linking is enabled. When static linking is enabled, this can be enabled by `--cfg portable_atomic_outline_atomics`. See the [`atomic128` module's readme](https://github.com/taiki-e/portable-atomic/blob/HEAD/src/imp/atomic128/README.md#run-time-feature-detection) for more. ([8418235](https://github.com/taiki-e/portable-atomic/commit/84182354e4a149074e28bda4683d538e5fb617ce), [31d0862](https://github.com/taiki-e/portable-atomic/commit/31d08623d4e21af207ff2343f5553b9b5a030452))

## [1.2.0] - 2023-03-25

- Make 64-bit atomics lock-free on ARM Linux/Android targets that do not have 64-bit atomics (e.g., armv5te-unknown-linux-gnueabi, arm-linux-androideabi, etc.) when the kernel version is 3.1 or later. ([#82](https://github.com/taiki-e/portable-atomic/pull/82))

- Fix aarch64 128-bit atomics performance regression on Apple hardware. ([#89](https://github.com/taiki-e/portable-atomic/pull/89))

- Optimize 128-bit atomics on aarch64, x86_64, powerpc64, and s390x.

## [1.1.0] - 2023-03-24

- Add `Atomic{I,U}*::bit_{set,clear,toggle}` and `AtomicPtr::bit_{set,clear,toggle}`. ([#72](https://github.com/taiki-e/portable-atomic/pull/72))

  They correspond to x86's `lock bt{s,r,c}`, and the implementation calls them on x86/x86_64.

- Add `AtomicU*::{fetch_neg,neg}` methods. Previously it was only available on `AtomicI*` and `AtomicF*`.

- Add `as_ptr` method to all atomic types. ([#79](https://github.com/taiki-e/portable-atomic/pull/79))

- Make `AtomicF{32,64}::as_bits` const on Rust 1.58+. ([#79](https://github.com/taiki-e/portable-atomic/pull/79))

- Relax ordering in `Serialize` impl to reflect the [upstream change](https://github.com/serde-rs/serde/pull/2263).

- Optimize x86_64 outline-atomics for 128-bit atomics.
  - Support outline-atomics for cmpxchg16b on Rust 1.69+ (i.e., on Rust 1.69+, x86_64 128-bit atomics is lock-free on all Intel chips and almost all AMD chips, even if cmpxchg16b is not available at compile-time.). Previously it was only nightly. ([#80](https://github.com/taiki-e/portable-atomic/pull/80))
  - portable-atomic no longer enables outline-atomics on target where run-time feature detection is not available. ([#80](https://github.com/taiki-e/portable-atomic/pull/80))

- Optimize aarch64 outline-atomics for 128-bit atomics.
  - Support more targets and improve performance. ([#63](https://github.com/taiki-e/portable-atomic/pull/63), [#64](https://github.com/taiki-e/portable-atomic/pull/64), [#67](https://github.com/taiki-e/portable-atomic/pull/67), [#69](https://github.com/taiki-e/portable-atomic/pull/69), [#75](https://github.com/taiki-e/portable-atomic/pull/75), [#76](https://github.com/taiki-e/portable-atomic/pull/76), [#77](https://github.com/taiki-e/portable-atomic/pull/77))
    See the [`atomic128` module's readme](https://github.com/taiki-e/portable-atomic/blob/HEAD/src/imp/atomic128/README.md#run-time-feature-detection) for a list of platforms that support outline-atomics.
    Most of these improvements have already been [submitted and accepted in rust-lang/stdarch](https://github.com/rust-lang/stdarch/pulls?q=is%3Apr+author%3Ataiki-e+std_detect) and will soon be available in `std::arch::is_aarch64_feature_detected`.
  - portable-atomic no longer enables outline-atomics on target where run-time feature detection is not available.

- Performance improvements. ([#70](https://github.com/taiki-e/portable-atomic/pull/70), [#81](https://github.com/taiki-e/portable-atomic/pull/81), [6c189ae](https://github.com/taiki-e/portable-atomic/commit/6c189ae1792ce0c08b4f56b6e6c256c223475ce2), [13c92b0](https://github.com/taiki-e/portable-atomic/commit/13c92b015a8e8646a4b885229157547354d03b9e), etc.)

- Improve support for old nightly. ([#73](https://github.com/taiki-e/portable-atomic/pull/73), [872feb9](https://github.com/taiki-e/portable-atomic/commit/872feb9d7f3a4ca7cf9b63935265d46498fcae99))

- Documentation improvements.

## [1.0.1] - 2023-01-21

- Optimize `Atomic{I,U}*::{fetch_not,not}` methods. ([#62](https://github.com/taiki-e/portable-atomic/pull/62))

## [1.0.0] - 2023-01-15

- Add `critical-section` feature to use [critical-section](https://github.com/rust-embedded/critical-section) on targets where atomic CAS is not natively available. ([#51](https://github.com/taiki-e/portable-atomic/pull/51), thanks @Dirbaio)

  This is useful to get atomic CAS when `--cfg portable_atomic_unsafe_assume_single_core` can't be used, such as multi-core targets, unprivileged code running under some RTOS, or environments where disabling interrupts needs extra care due to e.g. real-time requirements.

  See [documentation](https://github.com/taiki-e/portable-atomic#optional-features-critical-section) for more.

- Remove `outline-atomics` feature. This was no-op since 0.3.19.

- Documentation improvements.

## [0.3.20] - 2023-05-07

The latest version of portable-atomic is 1.x. This release makes portable-atomic 0.3 is built on top of portable-atomic 1.x to make bug fixes and improvements such as [support for new targets](https://github.com/taiki-e/portable-atomic/pull/86) in 1.x available to the ecosystem that depends on older portable-atomic. portable-atomic 0.3 is still maintained passively, but upgrading to portable-atomic 1.x is recommended. (There are no breaking changes from 0.3, except that a deprecated no-op `outline-atomics` Cargo feature has been removed.) ([#99](https://github.com/taiki-e/portable-atomic/pull/99))

## [0.3.19] - 2022-12-25

- Add `AtomicI*::{fetch_neg,neg}` and `AtomicF*::fetch_neg` methods. ([#54](https://github.com/taiki-e/portable-atomic/pull/54))

  `AtomicI*::neg` are equivalent to the corresponding `fetch_*` methods, but do not return the previous value. They are intended for optimization on platforms that have atomic instructions for the corresponding operation, such as x86's `lock neg`.

  Currently, optimizations by these methods (`neg`) are only guaranteed for x86/x86_64.

- Add `Atomic{I,U}*::{fetch_not,not}` methods. ([#54](https://github.com/taiki-e/portable-atomic/pull/54))

  `Atomic{I,U}*::not` are equivalent to the corresponding `fetch_*` methods, but do not return the previous value. They are intended for optimization on platforms that have atomic instructions for the corresponding operation, such as x86's `lock not`, MSP430's `inv`.

  Currently, optimizations by these methods (`not`) are only guaranteed for x86/x86_64 and MSP430.

  (Note: `AtomicBool` already has `fetch_not` and `not` methods.)

- Enable outline-atomics for 128-bit atomics by default. ([#57](https://github.com/taiki-e/portable-atomic/pull/57)) See [#57](https://github.com/taiki-e/portable-atomic/pull/57) for more.

- Improve support for old nightly compilers.

## [0.3.18] - 2022-12-15

- Fix build error when not using `portable_atomic_unsafe_assume_single_core` cfg on AVR and MSP430 custom targets. ([#50](https://github.com/taiki-e/portable-atomic/pull/50))

  Since 0.3.11, atomic CAS was supported without the cfg on AVR and MSP430 builtin targets, but that change was not applied to custom targets.

## [0.3.17] - 2022-12-14

- Optimize x86_64 128-bit atomic load/store on AMD CPU with AVX. ([#49](https://github.com/taiki-e/portable-atomic/pull/49))

- Improve support for custom targets on old rustc.

## [0.3.16] - 2022-12-09

- Add `Atomic{I,U}*::{add,sub,and,or,xor}` and `AtomicBool::{and,or,xor}` methods. ([#47](https://github.com/taiki-e/portable-atomic/pull/47))

  They are equivalent to the corresponding `fetch_*` methods, but do not return the previous value. They are intended for optimization on platforms that implement atomics using inline assembly, such as the MSP430.

  Currently, optimizations by these methods (`add`,`sub`,`and`,`or`,`xor`) are only guaranteed for MSP430; on x86/x86_64, LLVM can optimize in most cases, so cases, where this would improve things, should be rare.

- Various improvements to `portable_atomic_unsafe_assume_single_core` cfg. ([#44](https://github.com/taiki-e/portable-atomic/pull/44), [#40](https://github.com/taiki-e/portable-atomic/pull/40))

  - Support disabling FIQs on pre-v6 ARM under `portable_atomic_disable_fiq` cfg.
  - Support RISC-V supervisor mode under `portable_atomic_s_mode` cfg.
  - Optimize interrupt restore on AVR and MSP430. ([#40](https://github.com/taiki-e/portable-atomic/pull/40))
  - Documentation improvements.

  See [#44](https://github.com/taiki-e/portable-atomic/pull/44) for more.

## [0.3.15] - 2022-09-09

- Implement workaround for std cpuid bug due to LLVM bug ([rust-lang/rust#101346](https://github.com/rust-lang/rust/issues/101346), [llvm/llvm-project#57550](https://github.com/llvm/llvm-project/issues/57550)).

  - Our use case is likely not affected, but we implement this just in case.
  - We've confirmed that the uses of inline assembly in this crate are not affected by this LLVM bug.

## [0.3.14] - 2022-09-04

- Optimize atomic load/store on no-std pre-v6 ARM when `portable_atomic_unsafe_assume_single_core` cfg is used. ([#36](https://github.com/taiki-e/portable-atomic/pull/36))

- Support pre-power8 powerpc64le. powerpc64le's default cpu version is power8, but you can technically compile it for the old cpu using the unsafe `-C target-cpu` rustc flag.

## [0.3.13] - 2022-08-15

- Use track_caller when debug assertions are enabled on Rust 1.46+.

- Make powerpc64 128-bit atomics compatible with Miri and ThreadSanitizer on LLVM 15+.

- Document that 128-bit atomics are compatible with Miri and ThreadSanitizer on recent nightly.

## [0.3.12] - 2022-08-13

- Support atomic CAS on no-std pre-v6 ARM targets (e.g., thumbv4t-none-eabi) under unsafe cfg `portable_atomic_unsafe_assume_single_core`. ([#28](https://github.com/taiki-e/portable-atomic/pull/28))

## [0.3.11] - 2022-08-12

- Always provide atomic CAS for MSP430 and AVR. ([#31](https://github.com/taiki-e/portable-atomic/pull/31))

  This previously required unsafe cfg `portable_atomic_unsafe_assume_single_core`, but since all MSP430 and AVR are single-core, we can safely provide atomic CAS based on disabling interrupts.

- Support `fence` and `compiler_fence` on MSP430. (On MSP430, the standard library's fences are currently unavailable due to LLVM errors.)

- Update safety requirements for unsafe cfg `portable_atomic_unsafe_assume_single_core` to mention use of privileged instructions to disable interrupts.

- Atomic operations based on disabling interrupts on single-core systems are now considered lock-free.

  The previous behavior was inconsistent because we consider the pre-v6 ARM Linux's atomic operations provided in a similar way by the Linux kernel to be lock-free.

- Respect `-Z allow-features`.

## [0.3.10] - 2022-08-03

- Optimize AArch64 128-bit atomic load when the `lse` target feature is enabled at compile-time. ([#20](https://github.com/taiki-e/portable-atomic/pull/20))

## [0.3.9] - 2022-08-03

- Fix build error on old Miri.

- Documentation improvements.

## [0.3.8] - 2022-08-02

- Make AArch64 and s390x 128-bit atomics compatible with Miri and ThreadSanitizer.

## [0.3.7] - 2022-07-31

- Provide stable equivalent of [`#![feature(strict_provenance_atomic_ptr)]`](https://github.com/rust-lang/rust/issues/99108). ([#23](https://github.com/taiki-e/portable-atomic/pull/23))

  - `AtomicPtr::fetch_ptr_{add,sub}`
  - `AtomicPtr::fetch_byte_{add,sub}`
  - `AtomicPtr::fetch_{or,and,xor}`

  These APIs are compatible with strict-provenance on `cfg(miri)`. Otherwise, they are compatible with permissive-provenance.
  Once `#![feature(strict_provenance_atomic_ptr)]` is stabilized, these APIs will be strict-provenance compatible in all cases from the version in which it is stabilized.

- Provide stable equivalent of [`#![feature(atomic_bool_fetch_not)]`](https://github.com/rust-lang/rust/issues/98485). ([#24](https://github.com/taiki-e/portable-atomic/pull/24))

  - `AtomicBool::fetch_not`

- Optimize x86_64 128-bit RMWs. ([#22](https://github.com/taiki-e/portable-atomic/pull/22))

- Optimize x86_64 outline-atomics.

- Optimize inline assemblies on ARM and AArch64.

- Revert [thumbv6m atomic load/store changes made in 0.3.5](https://github.com/taiki-e/portable-atomic/pull/18). This is because [rust-lang/rust#99595](https://github.com/rust-lang/rust/pull/99595) has been reverted, so this is no longer needed.

## [0.3.6] - 2022-07-26

- Fix build failure due to the existence of the `specs` directory.

- Documentation improvements.

- Optimize inline assemblies on x86_64, RISC-V, and MSP430.

## [0.3.5] - 2022-07-23

**Note:** This release has been yanked due to a bug fixed in 0.3.6.

- Provide thumbv6m atomic load/store which is planned to be removed from the standard library in [rust-lang/rust#99595](https://github.com/rust-lang/rust/pull/99595). ([#18](https://github.com/taiki-e/portable-atomic/pull/18))

- Optimize inline assemblies on AArch64, RISC-V, and powerpc64.

## [0.3.4] - 2022-06-25

- Optimize x86_64 128-bit atomic store.

## [0.3.3] - 2022-06-24

- Allow CAS failure ordering stronger than success ordering. ([#17](https://github.com/taiki-e/portable-atomic/pull/17))

## [0.3.2] - 2022-06-19

- Optimize x86_64 128-bit atomic load/store on Intel CPU with AVX. ([#16](https://github.com/taiki-e/portable-atomic/pull/16))

- Support native 128-bit atomic operations for powerpc64 (le or pwr8+, currently nightly-only).

- Fix behavior differences between stable and nightly. ([#15](https://github.com/taiki-e/portable-atomic/pull/15))

## [0.3.1] - 2022-06-16

- Optimize AArch64 128-bit atomic load/store when the `lse2` target feature is enabled at compile-time. ([#11](https://github.com/taiki-e/portable-atomic/pull/11))

- Relax ordering in `Debug` impl to reflect std changes. ([#12](https://github.com/taiki-e/portable-atomic/pull/12))

## [0.3.0] - 2022-03-25

- Support native 128-bit atomic operations for s390x (currently nightly-only).

- Add `AtomicF{32,64}::fetch_abs`.

- Add `#[must_use]` to constructors.

- Use 128-bit atomic operation mappings same as LLVM on AArch64.

- Remove `parking_lot` optional feature to allow the use of this crate within global allocators.

## [0.2.1] - 2022-03-17

- Implement AArch64 outline-atomics.

## [0.2.0] - 2022-03-10

- Remove `i128` feature. `Atomic{I,U}128` are now always enabled.

- Add `outline-atomics` feature. Currently, this is the same as the 0.1's `i128-dynamic`, except that `fallback` feature is not implicitly enabled.

- Remove `i128-dynamic` feature in favor of `outline-atomics` feature.

- Add `AtomicF{32,64}::as_bits`.

## [0.1.4] - 2022-03-02

- Support native 128-bit atomic operations for AArch64 at Rust 1.59+. This was previously supported only on nightly. ([#6](https://github.com/taiki-e/portable-atomic/pull/6))

## [0.1.3] - 2022-02-28

- Fix inline assembly for RISC-V without A-extension.

## [0.1.2] - 2022-02-26

**Note:** This release has been yanked due to a bug fixed in 0.1.3.

- Add `parking_lot` feature to use parking_lot in global locks of fallback implementation.

- Fix bug in cmpxchg16b support. ([#5](https://github.com/taiki-e/portable-atomic/pull/5))

## [0.1.1] - 2022-02-25

**Note:** This release has been yanked due to a bug fixed in 0.1.3.

- Fix doc cfg on `Atomic{I,U}128`.

## [0.1.0] - 2022-02-24

**Note:** This release has been yanked due to a bug fixed in 0.1.3.

Initial release

[Unreleased]: https://github.com/taiki-e/portable-atomic/compare/v1.5.1...HEAD
[1.5.1]: https://github.com/taiki-e/portable-atomic/compare/v1.5.0...v1.5.1
[1.5.0]: https://github.com/taiki-e/portable-atomic/compare/v1.4.3...v1.5.0
[1.4.3]: https://github.com/taiki-e/portable-atomic/compare/v1.4.2...v1.4.3
[1.4.2]: https://github.com/taiki-e/portable-atomic/compare/v1.4.1...v1.4.2
[1.4.1]: https://github.com/taiki-e/portable-atomic/compare/v1.4.0...v1.4.1
[1.4.0]: https://github.com/taiki-e/portable-atomic/compare/v1.3.3...v1.4.0
[1.3.3]: https://github.com/taiki-e/portable-atomic/compare/v1.3.2...v1.3.3
[1.3.2]: https://github.com/taiki-e/portable-atomic/compare/v1.3.1...v1.3.2
[1.3.1]: https://github.com/taiki-e/portable-atomic/compare/v1.3.0...v1.3.1
[1.3.0]: https://github.com/taiki-e/portable-atomic/compare/v1.2.0...v1.3.0
[1.2.0]: https://github.com/taiki-e/portable-atomic/compare/v1.1.0...v1.2.0
[1.1.0]: https://github.com/taiki-e/portable-atomic/compare/v1.0.1...v1.1.0
[1.0.1]: https://github.com/taiki-e/portable-atomic/compare/v1.0.0...v1.0.1
[1.0.0]: https://github.com/taiki-e/portable-atomic/compare/v0.3.19...v1.0.0
[0.3.20]: https://github.com/taiki-e/portable-atomic/compare/v0.3.19...v0.3.20
[0.3.19]: https://github.com/taiki-e/portable-atomic/compare/v0.3.18...v0.3.19
[0.3.18]: https://github.com/taiki-e/portable-atomic/compare/v0.3.17...v0.3.18
[0.3.17]: https://github.com/taiki-e/portable-atomic/compare/v0.3.16...v0.3.17
[0.3.16]: https://github.com/taiki-e/portable-atomic/compare/v0.3.15...v0.3.16
[0.3.15]: https://github.com/taiki-e/portable-atomic/compare/v0.3.14...v0.3.15
[0.3.14]: https://github.com/taiki-e/portable-atomic/compare/v0.3.13...v0.3.14
[0.3.13]: https://github.com/taiki-e/portable-atomic/compare/v0.3.12...v0.3.13
[0.3.12]: https://github.com/taiki-e/portable-atomic/compare/v0.3.11...v0.3.12
[0.3.11]: https://github.com/taiki-e/portable-atomic/compare/v0.3.10...v0.3.11
[0.3.10]: https://github.com/taiki-e/portable-atomic/compare/v0.3.9...v0.3.10
[0.3.9]: https://github.com/taiki-e/portable-atomic/compare/v0.3.8...v0.3.9
[0.3.8]: https://github.com/taiki-e/portable-atomic/compare/v0.3.7...v0.3.8
[0.3.7]: https://github.com/taiki-e/portable-atomic/compare/v0.3.6...v0.3.7
[0.3.6]: https://github.com/taiki-e/portable-atomic/compare/v0.3.5...v0.3.6
[0.3.5]: https://github.com/taiki-e/portable-atomic/compare/v0.3.4...v0.3.5
[0.3.4]: https://github.com/taiki-e/portable-atomic/compare/v0.3.3...v0.3.4
[0.3.3]: https://github.com/taiki-e/portable-atomic/compare/v0.3.2...v0.3.3
[0.3.2]: https://github.com/taiki-e/portable-atomic/compare/v0.3.1...v0.3.2
[0.3.1]: https://github.com/taiki-e/portable-atomic/compare/v0.3.0...v0.3.1
[0.3.0]: https://github.com/taiki-e/portable-atomic/compare/v0.2.1...v0.3.0
[0.2.1]: https://github.com/taiki-e/portable-atomic/compare/v0.2.0...v0.2.1
[0.2.0]: https://github.com/taiki-e/portable-atomic/compare/v0.1.4...v0.2.0
[0.1.4]: https://github.com/taiki-e/portable-atomic/compare/v0.1.3...v0.1.4
[0.1.3]: https://github.com/taiki-e/portable-atomic/compare/v0.1.2...v0.1.3
[0.1.2]: https://github.com/taiki-e/portable-atomic/compare/v0.1.1...v0.1.2
[0.1.1]: https://github.com/taiki-e/portable-atomic/compare/v0.1.0...v0.1.1
[0.1.0]: https://github.com/taiki-e/portable-atomic/releases/tag/v0.1.0