#[cfg(test)]
use stdarch_test::assert_instr;
#[unstable(feature = "stdarch_arm_sat", issue = "none")]
#[inline]
#[cfg_attr(test, assert_instr("ssat", WIDTH = 8))]
#[rustc_legacy_const_generics(1)]
pub unsafe fn __ssat<const WIDTH: u32>(x: i32) -> i32 {
static_assert!(matches!(WIDTH, 1..=32));
arm_ssat(x, WIDTH as i32)
}
#[unstable(feature = "stdarch_arm_sat", issue = "none")]
#[inline]
#[cfg_attr(test, assert_instr("usat", WIDTH = 8))]
#[rustc_legacy_const_generics(1)]
pub unsafe fn __usat<const WIDTH: u32>(x: i32) -> u32 {
static_assert!(matches!(WIDTH, 1..=32));
arm_usat(x, WIDTH as i32)
}
extern "unadjusted" {
#[link_name = "llvm.arm.ssat"]
fn arm_ssat(x: i32, y: i32) -> i32;
#[link_name = "llvm.arm.usat"]
fn arm_usat(x: i32, y: i32) -> u32;
}
#[cfg(test)]
mod tests {
use super::*;
use stdarch_test::simd_test;
#[test]
fn test_ssat() {
unsafe {
assert_eq!(__ssat::<8>(1), 1);
assert_eq!(__ssat::<8>(1000), 127);
assert_eq!(__ssat::<8>(-1), -1);
assert_eq!(__ssat::<8>(-1000), -128);
}
}
#[test]
fn test_usat() {
unsafe {
assert_eq!(__usat::<8>(1), 1);
assert_eq!(__usat::<8>(1000), 255);
assert_eq!(__usat::<8>(-1), 0);
assert_eq!(__usat::<8>(-1000), 0);
}
}
}