1//! `i686`'s Streaming SIMD Extensions 4.1 (SSE4.1)
2
3use crate::{
4 core_arch::{simd_llvm::*, x86::*},
5 mem::transmute,
6};
7
8#[cfg(test)]
9use stdarch_test::assert_instr;
10
11/// Extracts an 64-bit integer from `a` selected with `IMM1`
12///
13/// [Intel's documentation](https://www.intel.com/content/www/us/en/docs/intrinsics-guide/index.html#text=_mm_extract_epi64)
14#[inline]
15#[target_feature(enable = "sse4.1")]
16#[cfg_attr(all(test, not(target_os = "windows")), assert_instr(pextrq, IMM1 = 1))]
17#[rustc_legacy_const_generics(1)]
18#[stable(feature = "simd_x86", since = "1.27.0")]
19pub unsafe fn _mm_extract_epi64<const IMM1: i32>(a: __m128i) -> i64 {
20 static_assert_uimm_bits!(IMM1, 1);
21 simd_extract(x:a.as_i64x2(), IMM1 as u32)
22}
23
24/// Returns a copy of `a` with the 64-bit integer from `i` inserted at a
25/// location specified by `IMM1`.
26///
27/// [Intel's documentation](https://www.intel.com/content/www/us/en/docs/intrinsics-guide/index.html#text=_mm_insert_epi64)
28#[inline]
29#[target_feature(enable = "sse4.1")]
30#[cfg_attr(test, assert_instr(pinsrq, IMM1 = 0))]
31#[rustc_legacy_const_generics(2)]
32#[stable(feature = "simd_x86", since = "1.27.0")]
33pub unsafe fn _mm_insert_epi64<const IMM1: i32>(a: __m128i, i: i64) -> __m128i {
34 static_assert_uimm_bits!(IMM1, 1);
35 transmute(src:simd_insert(x:a.as_i64x2(), IMM1 as u32, val:i))
36}
37
38#[cfg(test)]
39mod tests {
40 use crate::core_arch::arch::x86_64::*;
41 use stdarch_test::simd_test;
42
43 #[simd_test(enable = "sse4.1")]
44 unsafe fn test_mm_extract_epi64() {
45 let a = _mm_setr_epi64x(0, 1);
46 let r = _mm_extract_epi64::<1>(a);
47 assert_eq!(r, 1);
48 let r = _mm_extract_epi64::<0>(a);
49 assert_eq!(r, 0);
50 }
51
52 #[simd_test(enable = "sse4.1")]
53 unsafe fn test_mm_insert_epi64() {
54 let a = _mm_set1_epi64x(0);
55 let e = _mm_setr_epi64x(0, 32);
56 let r = _mm_insert_epi64::<1>(a, 32);
57 assert_eq_m128i(r, e);
58 let e = _mm_setr_epi64x(32, 0);
59 let r = _mm_insert_epi64::<0>(a, 32);
60 assert_eq_m128i(r, e);
61 }
62}
63