Improve swizzle broadcast condition

AntoinePrv · AntoinePrv · commit be0673451efd · 2025-11-13T14:53:42.000-08:00
diff --git a/include/xsimd/arch/xsimd_avx2.hpp b/include/xsimd/arch/xsimd_avx2.hpp
@@ -1224,12 +1224,12 @@ namespace xsimd
             {
                 return _mm256_shuffle_epi8(self, lane_mask.as_batch());
             }
-            XSIMD_IF_CONSTEXPR(detail::is_dup_lo(mask))
+            XSIMD_IF_CONSTEXPR(detail::is_only_from_lo(mask))
             {
                 __m256i broadcast = _mm256_permute2x128_si256(self, self, 0x00); // [low | low]
                 return _mm256_shuffle_epi8(broadcast, lane_mask.as_batch());
             }
-            XSIMD_IF_CONSTEXPR(detail::is_dup_hi(mask))
+            XSIMD_IF_CONSTEXPR(detail::is_only_from_hi(mask))
             {
                 __m256i broadcast = _mm256_permute2x128_si256(self, self, 0x11); // [high | high]
                 return _mm256_shuffle_epi8(broadcast, lane_mask.as_batch());

Original file line number	Diff line number	Diff line change
`@@ -1224,12 +1224,12 @@ namespace xsimd`
`1224`	`1224`	`{`
`1225`	`1225`	`return _mm256_shuffle_epi8(self, lane_mask.as_batch());`
`1226`	`1226`	`}`
`1227`		`- XSIMD_IF_CONSTEXPR(detail::is_dup_lo(mask))`
	`1227`	`+ XSIMD_IF_CONSTEXPR(detail::is_only_from_lo(mask))`
`1228`	`1228`	`{`
`1229`	`1229`	`__m256i broadcast = _mm256_permute2x128_si256(self, self, 0x00); // [low \| low]`
`1230`	`1230`	`return _mm256_shuffle_epi8(broadcast, lane_mask.as_batch());`
`1231`	`1231`	`}`
`1232`		`- XSIMD_IF_CONSTEXPR(detail::is_dup_hi(mask))`
	`1232`	`+ XSIMD_IF_CONSTEXPR(detail::is_only_from_hi(mask))`
`1233`	`1233`	`{`
`1234`	`1234`	`__m256i broadcast = _mm256_permute2x128_si256(self, self, 0x11); // [high \| high]`
`1235`	`1235`	`return _mm256_shuffle_epi8(broadcast, lane_mask.as_batch());`