| // ignore-tidy-linelength | |
| //@ add-minicore | |
| //@ 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() {} |