Migrate i586::sse41 to vendor types (#276)

library/stdarch/coresimd/src/x86/i586/sse2.rs

@@ -2333,12 +2333,6 @@ mod tests {
     use x86::*;
 	use v128::*;
 
-    // not actually an intrinsics in SSE2 but useful in the tests below
-    #[target_feature = "+sse2"]
-    unsafe fn _mm_setr_epi64x(a: i64, b: i64) -> __m128i {
-        _mm_set_epi64x(b, a)
-    }
-
     #[simd_test = "sse2"]
     unsafe fn test_mm_pause() {
         _mm_pause();

library/stdarch/coresimd/src/x86/test.rs

@@ -30,3 +30,10 @@ pub unsafe fn get_m128(a: __m128, idx: usize) -> f32 {
     union A { a: __m128, b: [f32; 4] };
     mem::transmute::<__m128, A>(a).b[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 = "+sse2"]
+pub unsafe fn _mm_setr_epi64x(a: i64, b: i64) -> __m128i {
+    _mm_set_epi64x(b, a)
+}