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//@ revisions: WIN LIN
//@ [WIN] only-windows
//@ [LIN] only-linux
//@ assembly-output: emit-asm
//@ compile-flags: --crate-type=lib -O -C llvm-args=-x86-asm-syntax=intel
//@ only-x86_64
//@ ignore-sgx
use std::cmp::Ordering;
// CHECK-lABEL: ordering_eq:
#[no_mangle]
pub fn ordering_eq(l: Option<Ordering>, r: Option<Ordering>) -> bool {
// Linux (System V): first two arguments are rdi then rsi
// Windows: first two arguments are rcx then rdx
// Both use rax for the return value.
// CHECK-NOT: mov
// CHECK-NOT: test
// CHECK-NOT: cmp
// LIN: cmp dil, sil
// WIN: cmp cl, dl
// CHECK-NEXT: sete al
// CHECK-NEXT: ret
l == r
}
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