X-Git-Url: https://git.sesse.net/?p=nageru;a=blobdiff_plain;f=shared%2Fmemcpy_interleaved.cpp;fp=shared%2Fmemcpy_interleaved.cpp;h=4aba3c936a00effd9fb68ae99042db85375b4d24;hp=433694217bfb8559b368505633877a6bcdce55c5;hb=2f20f863e6b334d300d69cc41ff93170199b2491;hpb=b3fa9338f37e8c7e2bb9ca07d3417a909fcc6d6e

diff --git a/shared/memcpy_interleaved.cpp b/shared/memcpy_interleaved.cpp
index 4336942..4aba3c9 100644
--- a/shared/memcpy_interleaved.cpp
+++ b/shared/memcpy_interleaved.cpp
@@ -1,4 +1,4 @@
-#if (defined(__i386__) || defined(__x86_64__)) && defined(__GNUC__) && !defined(__clang__)
+#if (defined(__i386__) || defined(__x86_64__)) && defined(__GNUC__)
 #define HAS_MULTIVERSIONING 1
 #endif
 
@@ -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;