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Adds some missing arm neon intrinsics to bring stdarch more up-to-date with the acle

Including variants of:

  • vluti2
  • vamin
  • vamax
  • vstl1
  • vldap1
    • Excludes vldap1_lane_f64 as in testing it fails assert_intr. There seems to be some bad IR gen from rust.
  • vscale

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rustbot commented Jan 14, 2026

r? @Amanieu

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- Adds vluti2 intrinsics
- Adds famin/famax intrinsics
- Adds vstl1(q) intrinsics
- Adds vldap1(q) intrinsics
	- Excludes vldap1_lane_f64 as in testing it fails assert_intr. There seems to be some bad IR gen from rust.
- Adds vscale(q) intrinsics
- Adds new intrinsics to arm_intrinsics.json
	- Had to be done manually as intrinsics are not yet on developer.arm.com
Moves the relevant defintions from the aarch64 yaml to the arm_shared.
The opcodes for these intructions are not recognised by the dissasembler on the windows msvc toolchain.
As such they are not translated to the relevant mneumonic and the `assert_instr` test fails.
Please see [failing test](https://github.com/rust-lang/stdarch/actions/runs/20992978794/job/60342796821?pr=1994#logs).
@CrooseGit CrooseGit force-pushed the dev/reucru01/add-missing-intrinsics branch from 351e1dd to 798bdbf Compare January 14, 2026 16:51
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3 participants