compile guard on the sse cmul fallback.

awslabs · Jan 29, 2024 · 1fa581a · 1fa581a
1 parent 34de264
commit 1fa581a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/source/intel/intrin/crc32c_sse42_avx512.c b/source/intel/intrin/crc32c_sse42_avx512.c
@@ -219,7 +219,7 @@ uint32_t aws_checksums_crc32c_intel_avx512_with_sse_fallback(const uint8_t *inpu
     }
 #endif
 
-#if !defined(_MSC_VER)
+#if defined(AWS_ARCH_INTEL_X64) && !defined(_MSC_VER)
     if (detected_sse42 && detected_clmul) {
         // this function is an entry point on its own. It inverts the crc passed to it
         // does its thing and then inverts it upon return. In order to keep