_mm_cvtsi16_si128 is AVX512

kalenedrael · kalenedrael · commit 942891701c43 · 2025-09-28T18:21:25.000-05:00
diff --git a/include/xsimd/arch/xsimd_sse4_1.hpp b/include/xsimd/arch/xsimd_sse4_1.hpp
@@ -147,7 +147,7 @@ namespace xsimd
                 else XSIMD_IF_CONSTEXPR(sizeof(T) == 8) {
                     uint16_t tmp;
                     memcpy(&tmp, mem, sizeof(tmp));
-                    auto bpack = _mm_cvtsi16_si128(tmp);
+                    auto bpack = _mm_cvtsi32_si128((uint32_t)tmp);
                     return _mm_cmpgt_epi64(_mm_cvtepu8_epi64(bpack), _mm_set1_epi64x(0));
                 }
             }

Original file line number	Diff line number	Diff line change
`@@ -147,7 +147,7 @@ namespace xsimd`
`147`	`147`	`else XSIMD_IF_CONSTEXPR(sizeof(T) == 8) {`
`148`	`148`	`uint16_t tmp;`
`149`	`149`	`memcpy(&tmp, mem, sizeof(tmp));`
`150`		`- auto bpack = _mm_cvtsi16_si128(tmp);`
	`150`	`+ auto bpack = _mm_cvtsi32_si128((uint32_t)tmp);`
`151`	`151`	`return _mm_cmpgt_epi64(_mm_cvtepu8_epi64(bpack), _mm_set1_epi64x(0));`
`152`	`152`	`}`
`153`	`153`	`}`