X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=shared%2Fmemcpy_interleaved.cpp;h=4aba3c936a00effd9fb68ae99042db85375b4d24;hb=f7752bad9a473d26ff1fa7c83ac82dca098b63bb;hp=8b70d4cb4d30566da0fdcd67f5cd9a3a9c01a260;hpb=66c4fc7370e321fa5725e56685e5c5bb84bd6990;p=nageru

diff --git a/shared/memcpy_interleaved.cpp b/shared/memcpy_interleaved.cpp
index 8b70d4c..4aba3c9 100644
--- a/shared/memcpy_interleaved.cpp
+++ b/shared/memcpy_interleaved.cpp
@@ -26,12 +26,22 @@ void memcpy_interleaved_slow(uint8_t *dest1, uint8_t *dest2, const uint8_t *src,
 
 #if HAS_MULTIVERSIONING
 
+__attribute__((target("default")))
+size_t memcpy_interleaved_fastpath_core(uint8_t *dest1, uint8_t *dest2, const uint8_t *src, const uint8_t *limit);
+
 __attribute__((target("sse2")))
 size_t memcpy_interleaved_fastpath_core(uint8_t *dest1, uint8_t *dest2, const uint8_t *src, const uint8_t *limit);
 
 __attribute__((target("avx2")))
 size_t memcpy_interleaved_fastpath_core(uint8_t *dest1, uint8_t *dest2, const uint8_t *src, const uint8_t *limit);
 
+__attribute__((target("default")))
+size_t memcpy_interleaved_fastpath_core(uint8_t *dest1, uint8_t *dest2, const uint8_t *src, const uint8_t *limit)
+{
+	// No fast path possible unless we have SSE2 or higher.
+	return 0;
+}
+
 __attribute__((target("sse2")))
 size_t memcpy_interleaved_fastpath_core(uint8_t *dest1, uint8_t *dest2, const uint8_t *src, const uint8_t *limit)
 {
@@ -100,7 +110,6 @@ size_t memcpy_interleaved_fastpath_core(uint8_t *dest1, uint8_t *dest2, const ui
 }
 
 // Returns the number of bytes consumed.
-__attribute__((target("sse2", "avx2")))
 size_t memcpy_interleaved_fastpath(uint8_t *dest1, uint8_t *dest2, const uint8_t *src, size_t n)
 {
 	const uint8_t *limit = src + n;