just load 64 bits with _mm_loadl_epi64

brian-armstrong · gnzlbg · commit 3932d27095e8 · 2018-10-29T11:16:40.000+01:00
diff --git a/coresimd/x86/sse2.rs b/coresimd/x86/sse2.rs
@@ -1145,7 +1145,7 @@ pub unsafe fn _mm_setzero_si128() -> __m128i {
 )]
 #[stable(feature = "simd_x86", since = "1.27.0")]
 pub unsafe fn _mm_loadl_epi64(mem_addr: *const __m128i) -> __m128i {
-    _mm_set_epi64x(0, simd_extract(ptr::read_unaligned(mem_addr).as_i64x2(), 0))
+    _mm_set_epi64x(0, ptr::read_unaligned(mem_addr as *const i64))
 }
 
 /// Load 128-bits of integer data from memory into a new vector.

Original file line number	Diff line number	Diff line change
`@@ -1145,7 +1145,7 @@ pub unsafe fn _mm_setzero_si128() -> __m128i {`
`1145`	`1145`	`)]`
`1146`	`1146`	`#[stable(feature = "simd_x86", since = "1.27.0")]`
`1147`	`1147`	`pub unsafe fn _mm_loadl_epi64(mem_addr: *const __m128i) -> __m128i {`
`1148`		`- _mm_set_epi64x(0, simd_extract(ptr::read_unaligned(mem_addr).as_i64x2(), 0))`
	`1148`	`+ _mm_set_epi64x(0, ptr::read_unaligned(mem_addr as *const i64))`
`1149`	`1149`	`}`
`1150`	`1150`
`1151`	`1151`	`/// Load 128-bits of integer data from memory into a new vector.`