Incorrect target feature shown during `asm!` verification (aarch64)

Code

asm!("ldp d0, d1, [x0, 0x100]");

Current output

error: instruction requires: fp-armv8
   --> /Users/lysan/.cargo/git/checkouts/unwinding-943b7a48f658f090/5718f01/src/unwinder/arch/aarch64.rs:101:13
    |
101 |             ldp d0, d1, [x0, 0x100]
    |             ^
    |
note: instantiated into assembly here
   --> <inline asm>:2:13
    |
2   |             ldp d0, d1, [x0, 0x100]
    |             ^

Desired output

error: instruction requires: neon
   --> /Users/lysan/.cargo/git/checkouts/unwinding-943b7a48f658f090/5718f01/src/unwinder/arch/aarch64.rs:101:13
    |
101 |             ldp d0, d1, [x0, 0x100]
    |             ^
    |
note: instantiated into assembly here
   --> <inline asm>:2:13
    |
2   |             ldp d0, d1, [x0, 0x100]
    |             ^

Rationale and extra context

This error only appears on aarch64-unknown-none-softfloat (all other aarch64s have neon).

fp-armv8 is not an aarch64 feature, it's an arm feature. neon is the equivalent aarch64 feature afaict.

Other cases

No response

Rust Version

rustc 1.80.0-nightly (804421dff 2024-06-07)
binary: rustc
commit-hash: 804421dff5542c9c7da5c60257b5dbc849719505
commit-date: 2024-06-07
host: aarch64-apple-darwin
release: 1.80.0-nightly
LLVM version: 18.1.7

Anything else?

No response

Reproduce the asm! example on aarch64-unknown-none-softfloat and compare its diagnostic with the requested neon wording. Start from the reported unwinding/.../aarch64.rs:101 assembly location and the compiler's AArch64 target-feature diagnostic path; done means the failing case reports neon without changing other targets' diagnostics.