blob: 81499c070d19a7e2d70bcdcdd430f78d1d375618 (
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
|
// ignore-tidy-linelength
//@ add-core-stubs
//@ revisions: ENABLE_SVE DISABLE_SVE DISABLE_NEON ENABLE_NEON
//@ compile-flags: --crate-type=rlib --target=aarch64-unknown-linux-gnu
//@ needs-llvm-components: aarch64
// Rust made SVE require neon.
//@ [ENABLE_SVE] compile-flags: -C target-feature=+sve -Copt-level=0
// ENABLE_SVE: attributes #0
// ENABLE_SVE-SAME: +neon
// ENABLE_SVE-SAME: +sve
// However, disabling SVE does not disable neon.
//@ [DISABLE_SVE] compile-flags: -C target-feature=-sve -Copt-level=0
// DISABLE_SVE: attributes #0
// DISABLE_SVE-NOT: -neon
// DISABLE_SVE-SAME: -sve
// OTOH, neon fn `fp-armv8` are fully tied; toggling neon must toggle `fp-armv8` the same way.
//@ [DISABLE_NEON] compile-flags: -C target-feature=-neon -Copt-level=0
// DISABLE_NEON: attributes #0
// DISABLE_NEON-SAME: -neon
// DISABLE_NEON-SAME: -fp-armv8
//@ [ENABLE_NEON] compile-flags: -C target-feature=+neon -Copt-level=0
// ENABLE_NEON: attributes #0 = { {{.*}} "target-features"="{{((\+outline-atomics,?)|(\+v8a,?)|(\+fp-armv8,?)|(\+neon,?))*}}" }
#![feature(no_core, lang_items)]
#![no_core]
extern crate minicore;
use minicore::*;
pub fn test() {}
|
