Merge branch 'casts_and_intrinsics' into 'main'

Cargo.lock

Cargo.toml

hercules_cg/src/cpu.rs

hercules_cg/src/sched_gen.rs

hercules_cg/src/sched_ir.rs

hercules_cg/src/sched_schedule.rs

hercules_ir/src/gcm.rs

hercules_opt/src/editor.rs

hercules_opt/src/pass.rs

juno_samples/casts_and_intrinsics/Cargo.toml

juno_samples/casts_and_intrinsics/build.rs

..._samples/casts_and_intrinsics/src/casts_and_intrinsics.jn

...samples/casts_and_intrinsics/src/casts_and_intrinsics.sch

juno_samples/casts_and_intrinsics/src/main.rs