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pub use super::v6::*;
#[cfg(test)]
use stdarch_test::assert_instr;
#[inline]
#[cfg_attr(target_arch = "arm", target_feature(enable = "v7"))]
#[cfg_attr(all(test, target_arch = "aarch64"), assert_instr(clz))]
pub unsafe fn _clz_u8(x: u8) -> u8 {
x.leading_zeros() as u8
}
#[inline]
#[cfg_attr(target_arch = "arm", target_feature(enable = "v7"))]
#[cfg_attr(all(test, target_arch = "aarch64"), assert_instr(clz))]
pub unsafe fn _clz_u16(x: u16) -> u16 {
x.leading_zeros() as u16
}
#[inline]
#[cfg_attr(target_arch = "arm", target_feature(enable = "v7"))]
#[cfg_attr(all(test, target_arch = "aarch64"), assert_instr(clz))]
pub unsafe fn _clz_u32(x: u32) -> u32 {
x.leading_zeros() as u32
}
#[inline]
#[cfg_attr(target_arch = "arm", target_feature(enable = "v7"))]
#[cfg_attr(test, assert_instr(rbit))]
pub unsafe fn _rbit_u32(x: u32) -> u32 {
crate::intrinsics::bitreverse(x)
}
#[cfg(test)]
mod tests {
use crate::core_arch::arm::v7;
#[test]
fn _clz_u8() {
unsafe {
assert_eq!(v7::_clz_u8(0b0000_1010u8), 4u8);
}
}
#[test]
fn _clz_u16() {
unsafe {
assert_eq!(v7::_clz_u16(0b0000_1010u16), 12u16);
}
}
#[test]
fn _clz_u32() {
unsafe {
assert_eq!(v7::_clz_u32(0b0000_1010u32), 28u32);
}
}
#[test]
#[cfg(dont_compile_me)]
fn _rbit_u32() {
unsafe {
assert_eq!(
v7::_rbit_u32(0b0000_1010u32),
0b0101_0000_0000_0000_0000_0000_0000_0000u32
);
}
}
}