ppc64le: build failure on GCC <= 7 and clang <= 6 #15506
Description
System information (version)
- OpenCV => after core: vectorize dotProd_32s for VSX #15339
- Operating System / Platform => ppc64le GNU/Linux
- Compiler => GCC(4.9, 5, 6, 7), clang(4, 5, 6)
Detailed description
GCC ERROR (resovled by #15511)
In file included from /worker/buildbot/Power9_Linux_gcc-7__opencv/opencv/modules/core/src/matmul.dispatch.cpp:50:0:
/worker/buildbot/Power9_Linux_gcc-7__opencv/opencv/modules/core/src/matmul.simd.hpp: In function 'double cv::cpu_baseline::dotProd_32s(const int*, const int*, int)':
/worker/buildbot/Power9_Linux_gcc-7__opencv/opencv/modules/core/src/matmul.simd.hpp:2511:55: error: invalid parameter combination for AltiVec intrinsic __builtin_vec_mule
a += v_cvt_f64(v_int64(vec_mule(s1.val, s2.val)));
^
/worker/buildbot/Power9_Linux_gcc-7__opencv/opencv/modules/core/src/matmul.simd.hpp:2512:55: error: invalid parameter combination for AltiVec intrinsic __builtin_vec_mulo
b += v_cvt_f64(v_int64(vec_mulo(s1.val, s2.val)));
^
make[2]: *** [modules/core/CMakeFiles/opencv_core.dir/build.make:558: modules/core/CMakeFiles/opencv_core.dir/src/matmul.dispatch.cpp.o] Error 1
make[2]: *** Waiting for unfinished jobs....
[ 7%] Building CXX object 3rdparty/protobuf/CMakeFiles/libprotobuf.dir/src/google/protobuf/source_context.pb.cc.o
CI:
- GCC 4.9 https://ocv-power.imavr.com/#/builders/5/builds/62
- GCC 5 https://ocv-power.imavr.com/#/builders/16/builds/312
- GCC 6 https://ocv-power.imavr.com/#/builders/1/builds/4615
- GCC 7 https://ocv-power.imavr.com/#/builders/6/builds/53
- GCC8 works fine
CLANG ERROR (should be resolved by #15510 )
In file included from /worker/buildbot/Power8_Linux_clang-4__opencv/opencv/modules/core/src/matmul.dispatch.cpp:44:
In file included from /worker/buildbot/Power8_Linux_clang-4__opencv/opencv/modules/core/src/precomp.hpp:85:
In file included from /worker/buildbot/Power8_Linux_clang-4__opencv/opencv/modules/core/include/opencv2/core/hal/intrin.hpp:186:
/worker/buildbot/Power8_Linux_clang-4__opencv/opencv/modules/core/include/opencv2/core/hal/intrin_vsx.hpp:1047:10: error: invalid operand in inline asm: 'xvcvsxddp ${0:x},${1:x}'
__asm__ ("xvcvsxddp %x0,%x1" : "=wa"(out) : "wa"(a.val));
^
/worker/buildbot/Power8_Linux_clang-4__opencv/opencv/modules/core/include/opencv2/core/hal/intrin_vsx.hpp:1047:10: error: invalid operand in inline asm: 'xvcvsxddp ${0:x},${1:x}'
/worker/buildbot/Power8_Linux_clang-4__opencv/opencv/modules/core/include/opencv2/core/hal/intrin_vsx.hpp:1047:10: error: unknown operand
<inline asm>:1:12: note: instantiated into assembly here
xvcvsxddp ,
^
In file included from /worker/buildbot/Power8_Linux_clang-4__opencv/opencv/modules/core/src/matmul.dispatch.cpp:44:
In file included from /worker/buildbot/Power8_Linux_clang-4__opencv/opencv/modules/core/src/precomp.hpp:85:
In file included from /worker/buildbot/Power8_Linux_clang-4__opencv/opencv/modules/core/include/opencv2/core/hal/intrin.hpp:186:
/worker/buildbot/Power8_Linux_clang-4__opencv/opencv/modules/core/include/opencv2/core/hal/intrin_vsx.hpp:1047:10: error: invalid operand in inline asm: 'xvcvsxddp ${0:x},${1:x}'
__asm__ ("xvcvsxddp %x0,%x1" : "=wa"(out) : "wa"(a.val));
^
/worker/buildbot/Power8_Linux_clang-4__opencv/opencv/modules/core/include/opencv2/core/hal/intrin_vsx.hpp:1047:10: error: invalid operand in inline asm: 'xvcvsxddp ${0:x},${1:x}'
/worker/buildbot/Power8_Linux_clang-4__opencv/opencv/modules/core/include/opencv2/core/hal/intrin_vsx.hpp:1047:10: error: unknown operand
<inline asm>:1:12: note: instantiated into assembly here
xvcvsxddp ,
CI:
- CLANG 4 https://ocv-power.imavr.com/#/builders/3/builds/57
- CLANG 5 https://ocv-power.imavr.com/#/builders/8/builds/53
- CLANG 6 https://ocv-power.imavr.com/#/builders/15/builds/44
Steps to reproduce
build OpenCV on ppc64le