| //! Utilities used in testing the x86 intrinsics |
| |
| use crate::core_arch::x86::*; |
| use std::mem::transmute; |
| |
| #[target_feature(enable = "sse2")] |
| pub unsafe fn assert_eq_m128i(a: __m128i, b: __m128i) { |
| assert_eq!(transmute::<_, [u64; 2]>(a), transmute::<_, [u64; 2]>(b)) |
| } |
| |
| #[target_feature(enable = "sse2")] |
| pub unsafe fn assert_eq_m128d(a: __m128d, b: __m128d) { |
| if _mm_movemask_pd(_mm_cmpeq_pd(a, b)) != 0b11 { |
| panic!("{:?} != {:?}", a, b); |
| } |
| } |
| |
| #[target_feature(enable = "sse2")] |
| pub unsafe fn get_m128d(a: __m128d, idx: usize) -> f64 { |
| transmute::<_, [f64; 2]>(a)[idx] |
| } |
| |
| #[target_feature(enable = "sse")] |
| pub unsafe fn assert_eq_m128(a: __m128, b: __m128) { |
| let r = _mm_cmpeq_ps(a, b); |
| if _mm_movemask_ps(r) != 0b1111 { |
| panic!("{:?} != {:?}", a, b); |
| } |
| } |
| |
| #[target_feature(enable = "sse")] |
| pub unsafe fn get_m128(a: __m128, idx: usize) -> f32 { |
| transmute::<_, [f32; 4]>(a)[idx] |
| } |
| |
| // not actually an intrinsic but useful in various tests as we proted from |
| // `i64x2::new` which is backwards from `_mm_set_epi64x` |
| #[target_feature(enable = "sse2")] |
| pub unsafe fn _mm_setr_epi64x(a: i64, b: i64) -> __m128i { |
| _mm_set_epi64x(b, a) |
| } |
| |
| #[target_feature(enable = "avx")] |
| pub unsafe fn assert_eq_m256i(a: __m256i, b: __m256i) { |
| assert_eq!(transmute::<_, [u64; 4]>(a), transmute::<_, [u64; 4]>(b)) |
| } |
| |
| #[target_feature(enable = "avx")] |
| pub unsafe fn assert_eq_m256d(a: __m256d, b: __m256d) { |
| let cmp = _mm256_cmp_pd::<_CMP_EQ_OQ>(a, b); |
| if _mm256_movemask_pd(cmp) != 0b1111 { |
| panic!("{:?} != {:?}", a, b); |
| } |
| } |
| |
| #[target_feature(enable = "avx")] |
| pub unsafe fn get_m256d(a: __m256d, idx: usize) -> f64 { |
| transmute::<_, [f64; 4]>(a)[idx] |
| } |
| |
| #[target_feature(enable = "avx")] |
| pub unsafe fn assert_eq_m256(a: __m256, b: __m256) { |
| let cmp = _mm256_cmp_ps::<_CMP_EQ_OQ>(a, b); |
| if _mm256_movemask_ps(cmp) != 0b11111111 { |
| panic!("{:?} != {:?}", a, b); |
| } |
| } |
| |
| #[target_feature(enable = "avx")] |
| pub unsafe fn get_m256(a: __m256, idx: usize) -> f32 { |
| transmute::<_, [f32; 8]>(a)[idx] |
| } |
| |
| #[target_feature(enable = "avx512f")] |
| pub unsafe fn get_m512(a: __m512, idx: usize) -> f32 { |
| transmute::<_, [f32; 16]>(a)[idx] |
| } |
| |
| #[target_feature(enable = "avx512f")] |
| pub unsafe fn get_m512d(a: __m512d, idx: usize) -> f64 { |
| transmute::<_, [f64; 8]>(a)[idx] |
| } |
| |
| #[target_feature(enable = "avx512f")] |
| pub unsafe fn get_m512i(a: __m512i, idx: usize) -> i64 { |
| transmute::<_, [i64; 8]>(a)[idx] |
| } |
| |
| // These intrinsics doesn't exist on x86 b/c it requires a 64-bit register, |
| // which doesn't exist on x86! |
| #[cfg(target_arch = "x86")] |
| mod x86_polyfill { |
| use crate::core_arch::x86::*; |
| |
| #[rustc_legacy_const_generics(2)] |
| pub unsafe fn _mm_insert_epi64<const INDEX: i32>(a: __m128i, val: i64) -> __m128i { |
| static_assert_imm1!(INDEX); |
| #[repr(C)] |
| union A { |
| a: __m128i, |
| b: [i64; 2], |
| } |
| let mut a = A { a }; |
| a.b[INDEX as usize] = val; |
| a.a |
| } |
| |
| #[target_feature(enable = "avx2")] |
| #[rustc_legacy_const_generics(2)] |
| pub unsafe fn _mm256_insert_epi64<const INDEX: i32>(a: __m256i, val: i64) -> __m256i { |
| static_assert_imm2!(INDEX); |
| #[repr(C)] |
| union A { |
| a: __m256i, |
| b: [i64; 4], |
| } |
| let mut a = A { a }; |
| a.b[INDEX as usize] = val; |
| a.a |
| } |
| } |
| #[cfg(target_arch = "x86_64")] |
| mod x86_polyfill { |
| pub use crate::core_arch::x86_64::{_mm256_insert_epi64, _mm_insert_epi64}; |
| } |
| pub use self::x86_polyfill::*; |
| |
| pub unsafe fn assert_eq_m512i(a: __m512i, b: __m512i) { |
| assert_eq!(transmute::<_, [i32; 16]>(a), transmute::<_, [i32; 16]>(b)) |
| } |
| |
| pub unsafe fn assert_eq_m512(a: __m512, b: __m512) { |
| let cmp = _mm512_cmp_ps_mask::<_CMP_EQ_OQ>(a, b); |
| if cmp != 0b11111111_11111111 { |
| panic!("{:?} != {:?}", a, b); |
| } |
| } |
| |
| pub unsafe fn assert_eq_m512d(a: __m512d, b: __m512d) { |
| let cmp = _mm512_cmp_pd_mask::<_CMP_EQ_OQ>(a, b); |
| if cmp != 0b11111111 { |
| panic!("{:?} != {:?}", a, b); |
| } |
| } |