| // 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() {} |