Disable some altivec vectorization optimization on ppc64le (bug 2051193)

opencv.spec

@@ -50,7 +50,7 @@ Name:           opencv
 Version:        4.5.5
 %global javaver %(foo=%{version}; echo ${foo//./})
 %global abiver  %(foo=%{version}; echo ${foo:0:3})
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        Collection of algorithms for computer vision
 # This is normal three clause BSD.
 License:        BSD
@@ -268,6 +268,11 @@ popd
 mkdir -p .cache/ade
 install -pm 0644 %{SOURCE4} .cache/ade/
 
+%ifarch ppc64le
+# Disable some altivec vectorization optimization on ppc64le (bug 2051193)
+sed -i modules/core/include/opencv2/core/hal/intrin.hpp \
+	-e '\@ifdef CV_FORCE_SIMD128_CPP@i #define CV_FORCE_SIMD128_CPP'
+%endif
 
 %build
 # enabled by default if libraries are presents at build time:
@@ -483,6 +488,9 @@ ln -s -r %{buildroot}%{_jnidir}/opencv-%{javaver}.jar %{buildroot}%{_jnidir}/ope
 %{_libdir}/libopencv_xphoto.so.%{abiver}*
 
 %changelog
+* Sun Feb 13 2022 Mamoru TASAKA <mtasaka@fedoraproject.org> - 4.5.5-4
+- Disable some altivec vectorization optimization on ppc64le (bug 2051193)
+
 * Sat Feb 05 2022 Jiri Vanek <jvanek@redhat.com> - 4.5.5-3
 - Rebuilt for java-17-openjdk as system jdk