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Diffstat (limited to 'llvm/lib/Support/BLAKE3/blake3_dispatch.c')
-rw-r--r--llvm/lib/Support/BLAKE3/blake3_dispatch.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/Support/BLAKE3/blake3_dispatch.c b/llvm/lib/Support/BLAKE3/blake3_dispatch.c
index d00580fe3519..19918aa708b2 100644
--- a/llvm/lib/Support/BLAKE3/blake3_dispatch.c
+++ b/llvm/lib/Support/BLAKE3/blake3_dispatch.c
@@ -236,7 +236,7 @@ void blake3_xof_many(const uint32_t cv[8],
#if defined(IS_X86)
const enum cpu_feature features = get_cpu_features();
MAYBE_UNUSED(features);
-#if !defined(_WIN32) && !defined(BLAKE3_NO_AVX512)
+#if !defined(_WIN32) && !defined(__CYGWIN__) && !defined(BLAKE3_NO_AVX512)
if (features & AVX512VL) {
blake3_xof_many_avx512(cv, block, block_len, counter, flags, out, outblocks);
return;