Rollup of 13 pull requests by jhpratt · Pull Request #159697 · rust-lang/rust

jhpratt · 2026-07-22T00:59:31Z

Successful merges:

Sync from portable simd 2026 07 20 #159582 (Sync from portable simd 2026 07 20)
Fix splat v0 mangling #158890 (Fix splat v0 mangling)
debuginfo generation for unsafe binders #159614 (debuginfo generation for unsafe binders)
Remove early_exit closures #159647 (Remove early_exit closures)
define a Simd type in minicore #159656 (define a Simd type in minicore)
Add paths for linked associated items #156474 (Add paths for linked associated items)
Fix debuginfo argument when invoking LLBC linker #159211 (Fix debuginfo argument when invoking LLBC linker)
Bring runtime symbols statics on par with foreign functions #159527 (Bring runtime symbols statics on par with foreign functions)
Refactor is_opsem_inhabited #159625 (Refactor is_opsem_inhabited)
Add more splat rust-call regression tests #159629 (Add more splat rust-call regression tests)
Remove cfg(not(no_global_oom_handling)) from the Drop impl of UniqueArcUninit #159652 (Remove cfg(not(no_global_oom_handling)) from the Drop impl of UniqueArcUninit)
Remove the blanket #![cfg_attr(test, allow(unused))] from bootstrap #159657 (Remove the blanket #![cfg_attr(test, allow(unused))] from bootstrap )
Add layout cycle hang regression test #159663 (Add layout cycle hang regression test)

the `float-cmp` and `num-traits` libraries don't (yet) support f16. Turns out we didn't really need much from them, just the ulps check. I've adapted the ulps check from miri instead

relevant for the cranelift backend, possibly other cases/targets too

Fix pointer API to match what was stabilized

We can do swizzles for 24, 32, 48 and 64 byte vectors by stacking multiple TBL instructions. See https://godbolt.org/z/PE95nrqjj for a comparison of the generated assembly.

Optimize `swizzle_dyn` for AArch64 with N > 16

`From` impls were already provided for the normal AArch64 ACLE vector types, but not for the x2,x3,x4 tuples of ACLE vectors. Rectify that. Also provide impls for vectors of `f16`, as I noticed they were missing.

For symmetry with `Mask::first_set`

Add `Mask::last_set` method

…mpls Provide `From` impls for AArch64 ACLE tuple types.

Use `impl` restrictions over hand-sealed traits

Optimize `swizzle_dyn` for LoongArch64 with N is 16 or 32

run `f16` float tests

…nelift backend

Previously LLBC's Linker implementation unconditionally added `--debug` to the linker invocation. This just became visible when 062ecd6 made LLBC no longer strip debug information unconditionally. Add the proper logic to LLBC's linker implementation to only invoke LLBC with `--debug` when debug-information should not be stripped.

…m-portable-simd-2026-07-20

…port

Signed-off-by: Amirhossein Akhlaghpour <m9.akhlaghpoor@gmail.com>

Rollup of 13 pull requests Successful merges: - #159582 (Sync from portable simd 2026 07 20) - #158890 (Fix splat v0 mangling) - #159614 (debuginfo generation for unsafe binders) - #159647 (Remove `early_exit` closures) - #159656 (define a `Simd` type in `minicore`) - #156474 (Add paths for linked associated items) - #159211 (Fix debuginfo argument when invoking LLBC linker) - #159527 (Bring runtime symbols statics on par with foreign functions) - #159625 (Refactor is_opsem_inhabited) - #159629 (Add more splat rust-call regression tests) - #159652 (Remove `cfg(not(no_global_oom_handling))` from the `Drop` impl of `UniqueArcUninit`) - #159657 (Remove the blanket `#![cfg_attr(test, allow(unused))]` from bootstrap ) - #159663 (Add layout cycle hang regression test)

rust-log-analyzer · 2026-07-22T03:07:00Z

The job x86_64-gnu-next-trait-solver-polonius failed! Check out the build log: (web) (plain enhanced) (plain)

Click to see the possible cause of the failure (guessed by this bot)

##[error]The runner has received a shutdown signal. This can happen when the runner service is stopped, or a manually started runner is canceled.
[RUSTC-TIMING] serde_core test:false 8.755
   Compiling hashbrown v0.17.0

Session terminated, killing shell...::group::Clock drift check
  local time: Wed Jul 22 03:06:45 UTC 2026
  network time: Wed, 22 Jul 2026 03:06:45 GMT
##[endgroup]
 ...killed.
##[error]The operation was canceled.

Important

For more information how to resolve CI failures of this job, visit this link.

rust-bors · 2026-07-22T03:07:28Z

💔 Test for 03cad56 failed: CI. Failed job:

auto - x86_64-gnu-next-trait-solver-polonius (web logs, enhanced plaintext logs)

jhpratt · 2026-07-22T03:08:57Z

@bors retry

rust-log-analyzer · 2026-07-22T04:14:07Z

The job x86_64-mingw-1 failed! Check out the build log: (web) (plain enhanced) (plain)

Click to see the possible cause of the failure (guessed by this bot)

rust-bors · 2026-07-22T04:16:01Z

💔 Test for e7b5411 failed: CI. Failed jobs:

try - i686-msvc-1 (web logs, enhanced plaintext logs)
try - x86_64-mingw-1 (web logs, enhanced plaintext logs)

rust-bors · 2026-07-22T06:21:50Z

☀️ Test successful - CI
Approved by: jhpratt
Duration: 3h 12m 17s
Pushing 1af98b7 to main...

github-actions · 2026-07-22T06:24:48Z

What is this?

This is an experimental post-merge analysis report that shows differences in test outcomes between the merged PR and its parent PR.

Comparing b9ee8d8 (parent) -> 1af98b7 (this PR)

Test differences

Show 160 test diffs

Stage 1

[ui (polonius)] tests/ui/layout/uninitialized-gat-projection-cycle-issue-153205.rs: [missing] -> pass (J0)
[ui (polonius)] tests/ui/splat/splat-mangling-issue-158644.rs#default: [missing] -> pass (J0)
[ui (polonius)] tests/ui/splat/splat-mangling-issue-158644.rs#legacy: [missing] -> pass (J0)
[ui (polonius)] tests/ui/splat/splat-mangling-issue-158644.rs#v0: [missing] -> pass (J0)
[ui (polonius)] tests/ui/splat/splat-mangling.rs#default: [missing] -> pass (J0)
[ui (polonius)] tests/ui/splat/splat-mangling.rs#legacy: [missing] -> pass (J0)
[ui (polonius)] tests/ui/splat/splat-mangling.rs#v0: [missing] -> pass (J0)
[ui (polonius)] tests/ui/splat/splat-rust-call-fn-trait-issue-158800.rs: [missing] -> pass (J0)
[ui (polonius)] tests/ui/splat/splat-rust-call-fn-trait-self-issue-158800.rs: [missing] -> pass (J0)
[ui (polonius)] tests/ui/splat/splat-rust-call-trait-issue-158800.rs: [missing] -> pass (J0)
[ui (polonius)] tests/ui/splat/splat-rust-call-type-issue-158800.rs: [missing] -> pass (J0)
[ui (polonius)] tests/ui/splat/splat-self-rust-call-issue-158800.rs: pass -> [missing] (J0)
[ui (polonius)] tests/ui/unsafe-binders/debuginfo-escaping-bound-vars-issue-159576.rs: [missing] -> pass (J0)
[ui] tests/ui/layout/uninitialized-gat-projection-cycle-issue-153205.rs: [missing] -> pass (J2)
[ui] tests/ui/splat/splat-mangling-issue-158644.rs#default: [missing] -> pass (J2)
[ui] tests/ui/splat/splat-mangling-issue-158644.rs#legacy: [missing] -> pass (J2)
[ui] tests/ui/splat/splat-mangling-issue-158644.rs#v0: [missing] -> pass (J2)
[ui] tests/ui/splat/splat-mangling.rs#default: [missing] -> pass (J2)
[ui] tests/ui/splat/splat-mangling.rs#legacy: [missing] -> pass (J2)
[ui] tests/ui/splat/splat-mangling.rs#v0: [missing] -> pass (J2)
[ui] tests/ui/splat/splat-rust-call-fn-trait-issue-158800.rs: [missing] -> pass (J2)
[ui] tests/ui/splat/splat-rust-call-fn-trait-self-issue-158800.rs: [missing] -> pass (J2)
[ui] tests/ui/splat/splat-rust-call-trait-issue-158800.rs: [missing] -> pass (J2)
[ui] tests/ui/splat/splat-rust-call-type-issue-158800.rs: [missing] -> pass (J2)
[ui] tests/ui/splat/splat-self-rust-call-issue-158800.rs: pass -> [missing] (J2)
[ui] tests/ui/unsafe-binders/debuginfo-escaping-bound-vars-issue-159576.rs: [missing] -> pass (J2)

Stage 2

[ui] tests/ui/layout/uninitialized-gat-projection-cycle-issue-153205.rs: [missing] -> pass (J1)
[ui] tests/ui/splat/splat-mangling-issue-158644.rs#default: [missing] -> pass (J1)
[ui] tests/ui/splat/splat-mangling-issue-158644.rs#legacy: [missing] -> pass (J1)
[ui] tests/ui/splat/splat-mangling-issue-158644.rs#v0: [missing] -> pass (J1)
[ui] tests/ui/splat/splat-mangling.rs#default: [missing] -> pass (J1)
[ui] tests/ui/splat/splat-mangling.rs#legacy: [missing] -> pass (J1)
[ui] tests/ui/splat/splat-mangling.rs#v0: [missing] -> pass (J1)
[ui] tests/ui/splat/splat-rust-call-fn-trait-issue-158800.rs: [missing] -> pass (J1)
[ui] tests/ui/splat/splat-rust-call-fn-trait-self-issue-158800.rs: [missing] -> pass (J1)
[ui] tests/ui/splat/splat-rust-call-trait-issue-158800.rs: [missing] -> pass (J1)
[ui] tests/ui/splat/splat-rust-call-type-issue-158800.rs: [missing] -> pass (J1)
[ui] tests/ui/splat/splat-self-rust-call-issue-158800.rs: pass -> [missing] (J1)
[ui] tests/ui/unsafe-binders/debuginfo-escaping-bound-vars-issue-159576.rs: [missing] -> pass (J1)

Additionally, 121 doctest diffs were found. These are ignored, as they are noisy.

Job group index

Test dashboard

Run

cargo run --manifest-path src/ci/citool/Cargo.toml -- \
    test-dashboard 1af98b7cdf86932b76182a387f52f1be6f0c1be0 --output-dir test-dashboard

And then open test-dashboard/index.html in your browser to see an overview of all executed tests.

Job duration changes

x86_64-mingw-2: 1h 59m -> 2h 50m (+42.2%)
i686-msvc-2: 1h 29m -> 2h 5m (+39.7%)
x86_64-gnu-distcheck: 1h 43m -> 2h 21m (+36.6%)
dist-i586-gnu-i586-i686-musl: 1h 10m -> 1h 36m (+36.1%)
x86_64-gnu-tools: 43m 47s -> 58m 10s (+32.9%)
x86_64-gnu-gcc-core-tests: 6m 13s -> 8m 11s (+31.8%)
i686-gnu-2: 1h 27m -> 1h (-31.7%)
dist-s390x-linux: 1h 26m -> 1h 51m (+28.4%)
pr-check-1: 21m 37s -> 27m 43s (+28.2%)
dist-sparcv9-solaris: 1h 13m -> 1h 31m (+25.9%)

How to interpret the job duration changes?

Job durations can vary a lot, based on the actual runner instance
that executed the job, system noise, invalidated caches, etc. The table above is provided
mostly for t-infra members, for simpler debugging of potential CI slow-downs.

rust-timer · 2026-07-22T06:25:44Z

📌 Perf builds for each rolled up PR:

PR#	Message	Perf Build Sha
#159582	Sync from portable simd 2026 07 20	`65cef5736ba2f6993b9921cb5dc245a24d4236f7` (link)
#158890	Fix splat v0 mangling	`911fcda7b6005a7e9875e14e7063ecaca3bc62bf` (link)
#159614	debuginfo generation for unsafe binders	`875e0e50baa5966afbbae2a68ffa853eba65be64` (link)
#159647	Remove `early_exit` closures	`ff9a76a5123117be6303e507e0912b5a7bf73d59` (link)
#159656	define a `Simd` type in `minicore`	`fe708c7348bf1f7970986057055b41f0245a3920` (link)
#156474	Add paths for linked associated items	`8ac5a44aba361d87b0ef88bec0a6ab7b1f3c7cca` (link)
#159211	Fix debuginfo argument when invoking LLBC linker	`f78f2270b4bfe142b0243000e83ab1f6614f3f35` (link)
#159527	Bring runtime symbols statics on par with foreign functions	`d805948eaf4788ed758439336115881349eb8567` (link)
#159625	Refactor is_opsem_inhabited	`3e62532b1782f0f3a57d19c95df1c3c23ef974d2` (link)
#159629	Add more splat rust-call regression tests	`6b7f70f7896604e4e8cd0d4efecfc1ba636ef8ae` (link)
#159652	Remove `cfg(not(no_global_oom_handling))` from the `Drop` i…	`138b51c055509935315d278d99a043b02182fed3` (link)
#159657	Remove the blanket `#![cfg_attr(test, allow(unused))]` from…	`c1a6bb3a91e61bf3dfedf146ac4ac2179d400bca` (link)
#159663	Add layout cycle hang regression test	`a3e45241c731baff7197bb7af50b68c68f99f1c1` (link)

previous master: b9ee8d8bcb

In the case of a perf regression, run the following command for each PR you suspect might be the cause: @rust-timer build $SHA

rust-timer · 2026-07-22T07:05:11Z

Finished benchmarking commit (1af98b7): comparison URL.

Overall result: no relevant changes - no action needed

@rustbot label: -perf-regression

Instruction count

This perf run didn't have relevant results for this metric.

Max RSS (memory usage)

This perf run didn't have relevant results for this metric.

Cycles

Results (secondary 0.6%)

A less reliable metric. May be of interest, but not used to determine the overall result above.

	mean	range	count
Regressions ❌ (primary)	-	-	0
Regressions ❌ (secondary)	3.3%	[2.8%, 3.8%]	2
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-4.9%	[-4.9%, -4.9%]	1
All ❌✅ (primary)	-	-	0

Binary size

This perf run didn't have relevant results for this metric.

Bootstrap: 486.905s -> 485.602s (-0.27%)
Artifact size: 387.85 MiB -> 387.89 MiB (0.01%)

folkertdev and others added 30 commits April 12, 2026 13:26

implement our own ulps check to test f16

eb7cb89

the `float-cmp` and `num-traits` libraries don't (yet) support f16. Turns out we didn't really need much from them, just the ulps check. I've adapted the ulps check from miri instead

disable f16 tests when not target_has_reliable_f16_math

f40da91

relevant for the cranelift backend, possibly other cases/targets too

Fix pointer API to match what was stabilized

c4f3110

Merge pull request rust-lang#526 from rust-lang/update-pointer-api

94a3ba2

Fix pointer API to match what was stabilized

Optimize swizzle_dyn for AArch64 with N > 16

beafe83

We can do swizzles for 24, 32, 48 and 64 byte vectors by stacking multiple TBL instructions. See https://godbolt.org/z/PE95nrqjj for a comparison of the generated assembly.

Merge pull request rust-lang#528 from Kmeakin/km/aarch64-dyn-swizzle

be090a7

Optimize `swizzle_dyn` for AArch64 with N > 16

Provide From impls for AArch64 ACLE tuple types.

b16ee62

`From` impls were already provided for the normal AArch64 ACLE vector types, but not for the x2,x3,x4 tuples of ACLE vectors. Rectify that. Also provide impls for vectors of `f16`, as I noticed they were missing.

Use impl restrictions over hand-sealed traits

61ae55e

Add Mask::last_set method

ae33abe

For symmetry with `Mask::first_set`

Merge pull request rust-lang#532 from Kmeakin/km/simd-last-set

a27ae1d

Add `Mask::last_set` method

Merge pull request rust-lang#530 from Kmeakin/km/aarch64-tuple-from-i…

8e3bfb0

…mpls Provide `From` impls for AArch64 ACLE tuple types.

Merge pull request rust-lang#529 from jhpratt/master

d7a525f

Use `impl` restrictions over hand-sealed traits

Optimize swizzle_dyn for LoongArch64 with N is 16 or 32

30bdfe3

Merge pull request rust-lang#533 from heiher/swizzle-dyn-loong64

44a03e6

Optimize `swizzle_dyn` for LoongArch64 with N is 16 or 32

Merge pull request rust-lang#518 from folkertdev/test-float-f16

5b7c840

run `f16` float tests

Merge of rust-lang/portable-simd#520: disable f16 tests for the cra…

7d497cc

…nelift backend

rustdoc-json: add paths for linked associated items

0a63dc6

address suggested nits

08fb51a

test with IDs as suggested

c78d0a7

Add splat mangling bug tests (flaky?)

da5e0cf

Implement v0 symbol mangling for splat

cbb2169

Doc splat mangling in the reference

553dbd7

Fix typo in symbol-mangling/v0.md

a34aad0

Merge commit '7d497cca160ae6062acc1a2db838667f83c0b58e' into sync-fro…

b010737

…m-portable-simd-2026-07-20

fix feature gate

e09b887

remove now-dead Sealed trait

b045903

fix simd tests that use without_provenance{_mut}

7629861

disable portable_simd miri test that needs additional intrinsic sup…

f32f69b

…port

fix: debuginfo generation for unsafe binders

3a364c4

Signed-off-by: Amirhossein Akhlaghpour <m9.akhlaghpoor@gmail.com>

rust-bors Bot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. and removed S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. labels Jul 22, 2026

rust-bors Bot added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Jul 22, 2026

rust-bors Bot mentioned this pull request Jul 22, 2026

Sync from portable simd 2026 07 20 #159582

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rust-bors Bot added the S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. label Jul 22, 2026

rust-bors Bot added merged-by-bors This PR was explicitly merged by bors. and removed S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. labels Jul 22, 2026

rust-bors Bot merged commit 1af98b7 into rust-lang:main Jul 22, 2026
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rustbot removed the S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. label Jul 22, 2026

rustbot added this to the 1.99.0 milestone Jul 22, 2026

jhpratt deleted the rollup-4WBEz7c branch July 22, 2026 06:22

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Support using const pointers in asm const operand #138618

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Rollup of 13 pull requests#159697

Rollup of 13 pull requests#159697
rust-bors[bot] merged 56 commits into
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Overall result: no relevant changes - no action needed

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