Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 62 insertions, 0 deletions

diff --git a/library/stdarch/crates/core_arch/src/x86_64/sse41.rs b/library/stdarch/crates/core_arch/src/x86_64/sse41.rs
new file mode 100644
index 000000000..3d1ea0cf6
--- /dev/null
+++ b/library/stdarch/crates/core_arch/src/x86_64/sse41.rs
@@ -0,0 +1,62 @@
+//! `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);
+    }
+}