Add 32-bit x86 fallback for popcnt

ARM-software · May 19, 2024 · 1995186 · 1995186
1 parent 7f4ad9c
commit 1995186
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/Source/astcenc_vecmathlib_sse_4.h b/Source/astcenc_vecmathlib_sse_4.h
@@ -1307,7 +1307,7 @@ ASTCENC_SIMD_INLINE vfloat4 dot3(vfloat4 a, vfloat4 b)
  */
 ASTCENC_SIMD_INLINE int popcount(uint64_t v)
 {
-#if !defined(__x86_64__)
+#if !defined(__x86_64__) && !defined(_M_AMD64)
 	return static_cast<int>(__builtin_popcountll(v));
 #else
 	return static_cast<int>(_mm_popcnt_u64(v));