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#[cfg(test)]
use stdarch_test::assert_instr;
#[inline]
#[cfg_attr(test, assert_instr(bt))]
#[unstable(feature = "simd_x86_bittest", issue = "59414")]
pub unsafe fn _bittest64(p: *const i64, b: i64) -> u8 {
let r: u8;
asm!("btq $2, $1\n\tsetc ${0:b}"
: "=r"(r)
: "*m"(p), "r"(b)
: "cc", "memory");
r
}
#[inline]
#[cfg_attr(test, assert_instr(bts))]
#[unstable(feature = "simd_x86_bittest", issue = "59414")]
pub unsafe fn _bittestandset64(p: *mut i64, b: i64) -> u8 {
let r: u8;
asm!("btsq $2, $1\n\tsetc ${0:b}"
: "=r"(r), "+*m"(p)
: "r"(b)
: "cc", "memory");
r
}
#[inline]
#[cfg_attr(test, assert_instr(btr))]
#[unstable(feature = "simd_x86_bittest", issue = "59414")]
pub unsafe fn _bittestandreset64(p: *mut i64, b: i64) -> u8 {
let r: u8;
asm!("btrq $2, $1\n\tsetc ${0:b}"
: "=r"(r), "+*m"(p)
: "r"(b)
: "cc", "memory");
r
}
#[inline]
#[cfg_attr(test, assert_instr(btc))]
#[unstable(feature = "simd_x86_bittest", issue = "59414")]
pub unsafe fn _bittestandcomplement64(p: *mut i64, b: i64) -> u8 {
let r: u8;
asm!("btcq $2, $1\n\tsetc ${0:b}"
: "=r"(r), "+*m"(p)
: "r"(b)
: "cc", "memory");
r
}
#[cfg(test)]
mod tests {
use crate::core_arch::x86_64::*;
#[test]
fn test_bittest64() {
unsafe {
let a = 0b0101_0000i64;
assert_eq!(_bittest64(&a as _, 4), 1);
assert_eq!(_bittest64(&a as _, 5), 0);
}
}
#[test]
fn test_bittestandset64() {
unsafe {
let mut a = 0b0101_0000i64;
assert_eq!(_bittestandset64(&mut a as _, 4), 1);
assert_eq!(_bittestandset64(&mut a as _, 4), 1);
assert_eq!(_bittestandset64(&mut a as _, 5), 0);
assert_eq!(_bittestandset64(&mut a as _, 5), 1);
}
}
#[test]
fn test_bittestandreset64() {
unsafe {
let mut a = 0b0101_0000i64;
assert_eq!(_bittestandreset64(&mut a as _, 4), 1);
assert_eq!(_bittestandreset64(&mut a as _, 4), 0);
assert_eq!(_bittestandreset64(&mut a as _, 5), 0);
assert_eq!(_bittestandreset64(&mut a as _, 5), 0);
}
}
#[test]
fn test_bittestandcomplement64() {
unsafe {
let mut a = 0b0101_0000i64;
assert_eq!(_bittestandcomplement64(&mut a as _, 4), 1);
assert_eq!(_bittestandcomplement64(&mut a as _, 4), 0);
assert_eq!(_bittestandcomplement64(&mut a as _, 4), 1);
assert_eq!(_bittestandcomplement64(&mut a as _, 5), 0);
assert_eq!(_bittestandcomplement64(&mut a as _, 5), 1);
}
}
}