--- cargo-crates/simdutf-0.7.0/cpp/simdutf.h.orig	2026-09-18 12:23:35 UTC
+++ cargo-crates/simdutf-0.7.0/cpp/simdutf.h
@@ -165,7 +165,7 @@
 #elif defined(__aarch64__) || defined(_M_ARM64) || defined(_M_ARM64EC)
   #define SIMDUTF_IS_ARM64 1
 #elif defined(__PPC64__) || defined(_M_PPC64)
-  #if defined(__VEC__) && defined(__ALTIVEC__)
+  #if defined(__VEC__) && defined(__ALTIVEC__) && defined(__POWER8_VECTOR__)
     #define SIMDUTF_IS_PPC64 1
   #endif
 #elif defined(__s390__)