| //! `i686`'s Streaming SIMD Extensions 4.1 (SSE4.1) |
| |
| use crate::{ |
| core_arch::{simd_llvm::*, x86::*}, |
| mem::transmute, |
| }; |
| |
| #[cfg(test)] |
| use stdarch_test::assert_instr; |
| |
| /// Extracts an 64-bit integer from `a` selected with `IMM1` |
| /// |
| /// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_extract_epi64) |
| #[inline] |
| #[target_feature(enable = "sse4.1")] |
| #[cfg_attr(all(test, not(target_os = "windows")), assert_instr(pextrq, IMM1 = 1))] |
| #[rustc_legacy_const_generics(1)] |
| #[stable(feature = "simd_x86", since = "1.27.0")] |
| pub unsafe fn _mm_extract_epi64<const IMM1: i32>(a: __m128i) -> i64 { |
| static_assert_imm1!(IMM1); |
| simd_extract(a.as_i64x2(), IMM1 as u32) |
| } |
| |
| /// Returns a copy of `a` with the 64-bit integer from `i` inserted at a |
| /// location specified by `IMM1`. |
| /// |
| /// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_insert_epi64) |
| #[inline] |
| #[target_feature(enable = "sse4.1")] |
| #[cfg_attr(test, assert_instr(pinsrq, IMM1 = 0))] |
| #[rustc_legacy_const_generics(2)] |
| #[stable(feature = "simd_x86", since = "1.27.0")] |
| pub unsafe fn _mm_insert_epi64<const IMM1: i32>(a: __m128i, i: i64) -> __m128i { |
| static_assert_imm1!(IMM1); |
| transmute(simd_insert(a.as_i64x2(), IMM1 as u32, i)) |
| } |
| |
| #[cfg(test)] |
| mod tests { |
| use crate::core_arch::arch::x86_64::*; |
| use stdarch_test::simd_test; |
| |
| #[simd_test(enable = "sse4.1")] |
| unsafe fn test_mm_extract_epi64() { |
| let a = _mm_setr_epi64x(0, 1); |
| let r = _mm_extract_epi64::<1>(a); |
| assert_eq!(r, 1); |
| let r = _mm_extract_epi64::<0>(a); |
| assert_eq!(r, 0); |
| } |
| |
| #[simd_test(enable = "sse4.1")] |
| unsafe fn test_mm_insert_epi64() { |
| let a = _mm_set1_epi64x(0); |
| let e = _mm_setr_epi64x(0, 32); |
| let r = _mm_insert_epi64::<1>(a, 32); |
| assert_eq_m128i(r, e); |
| let e = _mm_setr_epi64x(32, 0); |
| let r = _mm_insert_epi64::<0>(a, 32); |
| assert_eq_m128i(r, e); |
| } |
| } |