rust/tests/assembly/manual-eq-efficient.rs

23 lines
545 B
Rust

// Regression test for #106269
//@ assembly-output: emit-asm
//@ compile-flags: --crate-type=lib -O -C llvm-args=-x86-asm-syntax=intel
//@ only-x86_64
//@ ignore-sgx
pub struct S {
a: u8,
b: u8,
c: u8,
d: u8,
}
// CHECK-LABEL: manual_eq:
#[no_mangle]
pub fn manual_eq(s1: &S, s2: &S) -> bool {
// CHECK: mov [[REG:[a-z0-9]+]], dword ptr [{{[a-z0-9]+}}]
// CHECK-NEXT: cmp [[REG]], dword ptr [{{[a-z0-9]+}}]
// CHECK-NEXT: sete al
// CHECK: ret
s1.a == s2.a && s1.b == s2.b && s1.c == s2.c && s1.d == s2.d
}