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wasmtime/cranelift/filetests/filetests/runtests/atomic-cas.clif
yuyang-ok cdecc858b4 add riscv64 backend for cranelift. (#4271)
Add a RISC-V 64 (`riscv64`, RV64GC) backend.

Co-authored-by: yuyang <756445638@qq.com>
Co-authored-by: Chris Fallin <chris@cfallin.org>
Co-authored-by: Afonso Bordado <afonsobordado@az8.co>
2022-09-27 17:30:31 -07:00

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test run
target aarch64
target aarch64 has_lse
target x86_64
target s390x
target riscv64 has_a
; We can't test that these instructions are right regarding atomicity, but we can
; test if they perform their operation correctly
function %atomic_cas_i64(i64, i64, i64) -> i64 {
ss0 = explicit_slot 8
block0(v0: i64, v1: i64, v2: i64):
stack_store.i64 v0, ss0
v3 = stack_addr.i64 ss0
v4 = atomic_cas.i64 v3, v1, v2
v5 = stack_load.i64 ss0
return v5
}
; run: %atomic_cas_i64(0, 0, 2) == 2
; run: %atomic_cas_i64(1, 0, 2) == 1
; run: %atomic_cas_i64(0, 1, 2) == 0
; run: %atomic_cas_i64(0, 0, 0xC0FFEEEE_DECAFFFF) == 0xC0FFEEEE_DECAFFFF
function %atomic_cas_i32(i32, i32, i32) -> i32 {
ss0 = explicit_slot 4
block0(v0: i32, v1: i32, v2: i32):
stack_store.i32 v0, ss0
v3 = stack_addr.i64 ss0
v4 = atomic_cas.i32 v3, v1, v2
v5 = stack_load.i32 ss0
return v5
}
; run: %atomic_cas_i32(0, 0, 2) == 2
; run: %atomic_cas_i32(1, 0, 2) == 1
; run: %atomic_cas_i32(0, 1, 2) == 0
; run: %atomic_cas_i32(0, 0, 0xC0FFEEEE) == 0xC0FFEEEE