使用Emscripten将C ++文件转换为wasm时出错 [英] Error converting c++ file to wasm using emscripten
问题描述
这是该帖子的后续问题将.cpp文件转换为.wasm文件
This is a follow up question from this post Converting .cpp file to .wasm file
我正在尝试在Linux上使用emscripten将c ++文件转换为.wasm.我遇到了这个错误:
I'm trying to convert my c++ file into .wasm using emscripten on linux. I'm running into this error:
/home/maria/emsdk/upstream/lib/clang/10.0.0/include/ia32intrin.h:188:10: error: use of undeclared identifier '__builtin_ia32_readeflags_u32'
return __builtin_ia32_readeflags_u32();
^
/home/maria/emsdk/upstream/lib/clang/10.0.0/include/ia32intrin.h:194:3: error: use of undeclared identifier '__builtin_ia32_writeeflags_u32'
__builtin_ia32_writeeflags_u32(__f);
^
/home/maria/emsdk/upstream/lib/clang/10.0.0/include/ia32intrin.h:284:10: error: use of undeclared identifier '__builtin_ia32_crc32qi'
return __builtin_ia32_crc32qi(__C, __D);
^
/home/maria/emsdk/upstream/lib/clang/10.0.0/include/ia32intrin.h:305:10: error: use of undeclared identifier '__builtin_ia32_crc32hi'
return __builtin_ia32_crc32hi(__C, __D);
^
/home/maria/emsdk/upstream/lib/clang/10.0.0/include/ia32intrin.h:326:10: error: use of undeclared identifier '__builtin_ia32_crc32si'
return __builtin_ia32_crc32si(__C, __D);
^
/home/maria/emsdk/upstream/lib/clang/10.0.0/include/ia32intrin.h:354:10: error: use of undeclared identifier '__builtin_ia32_rdpmc'
return __builtin_ia32_rdpmc(__A);
^
/home/maria/emsdk/upstream/lib/clang/10.0.0/include/ia32intrin.h:360:10: error: use of undeclared identifier '__builtin_ia32_rdtscp'
return __builtin_ia32_rdtscp(__A);
^
/home/maria/emsdk/upstream/lib/clang/10.0.0/include/ia32intrin.h:369:3: error: use of undeclared identifier '__builtin_ia32_wbinvd'
__builtin_ia32_wbinvd();
^
In file included from sealdemo.cpp:1:
In file included from SEAL/native/src/seal/seal.h:6:
In file included from SEAL/native/src/seal/biguint.h:9:
In file included from SEAL/native/src/seal/memorymanager.h:10:
In file included from SEAL/native/src/seal/util/defines.h:62:
In file included from SEAL/native/src/seal/util/clang.h:18:
In file included from /home/maria/emsdk/upstream/lib/clang/10.0.0/include/x86intrin.h:15:
In file included from /home/maria/emsdk/upstream/lib/clang/10.0.0/include/immintrin.h:14:
/home/maria/emsdk/upstream/lib/clang/10.0.0/include/mmintrin.h:33:5: error: use of undeclared identifier '__builtin_ia32_emms'; did you mean '__builtin_isless'?
__builtin_ia32_emms();
^
/home/maria/emsdk/upstream/lib/clang/10.0.0/include/mmintrin.h:33:5: note: '__builtin_isless' declared here
/home/maria/emsdk/upstream/lib/clang/10.0.0/include/mmintrin.h:33:25: error: too few arguments to function call, expected 2, have 0
__builtin_ia32_emms();
^
/home/maria/emsdk/upstream/lib/clang/10.0.0/include/mmintrin.h:50:19: error: use of undeclared identifier '__builtin_ia32_vec_init_v2si'
return (__m64)__builtin_ia32_vec_init_v2si(__i, 0);
^
/home/maria/emsdk/upstream/lib/clang/10.0.0/include/mmintrin.h:67:12: error: use of undeclared identifier '__builtin_ia32_vec_ext_v2si'
return __builtin_ia32_vec_ext_v2si((__v2si)__m, 0);
^
/home/maria/emsdk/upstream/lib/clang/10.0.0/include/mmintrin.h:129:19: error: use of undeclared identifier '__builtin_ia32_packsswb'
return (__m64)__builtin_ia32_packsswb((__v4hi)__m1, (__v4hi)__m2);
^
/home/maria/emsdk/upstream/lib/clang/10.0.0/include/mmintrin.h:159:19: error: use of undeclared identifier '__builtin_ia32_packssdw'
return (__m64)__builtin_ia32_packssdw((__v2si)__m1, (__v2si)__m2);
^
/home/maria/emsdk/upstream/lib/clang/10.0.0/include/mmintrin.h:189:19: error: use of undeclared identifier '__builtin_ia32_packuswb'
return (__m64)__builtin_ia32_packuswb((__v4hi)__m1, (__v4hi)__m2);
^
/home/maria/emsdk/upstream/lib/clang/10.0.0/include/mmintrin.h:216:19: error: use of undeclared identifier '__builtin_ia32_punpckhbw'
return (__m64)__builtin_ia32_punpckhbw((__v8qi)__m1, (__v8qi)__m2);
^
/home/maria/emsdk/upstream/lib/clang/10.0.0/include/mmintrin.h:239:19: error: use of undeclared identifier '__builtin_ia32_punpckhwd'
return (__m64)__builtin_ia32_punpckhwd((__v4hi)__m1, (__v4hi)__m2);
^
/home/maria/emsdk/upstream/lib/clang/10.0.0/include/mmintrin.h:260:19: error: use of undeclared identifier '__builtin_ia32_punpckhdq'
return (__m64)__builtin_ia32_punpckhdq((__v2si)__m1, (__v2si)__m2);
^
/home/maria/emsdk/upstream/lib/clang/10.0.0/include/mmintrin.h:287:19: error: use of undeclared identifier '__builtin_ia32_punpcklbw'
return (__m64)__builtin_ia32_punpcklbw((__v8qi)__m1, (__v8qi)__m2);
^
fatal error: too many errors emitted, stopping now [-ferror-limit=]
20 errors generated.
shared:ERROR: '/home/maria/emsdk/upstream/bin/clang++ -target wasm32-unknown-emscrip
有人可以帮忙吗
推荐答案
我已经能够使用带有内在函数的emscripten将Microsoft SEAL库编译为WebAssembly( #include< wasm_simd128.h> )，但这是可选的.
I've been able to compile the Microsoft SEAL library to WebAssembly using emscripten with intrinsics (#include <wasm_simd128.h>), but this is optional.
工具链本身从来没有给我这个特定的错误，因为 emcmake 步骤始终无法找到必要的标头，并且没有优化就无法编译.
By itself, the toolchain never gave me this specific error as the emcmake step always wasn't able to find the necessary headers and compiled without the optimizations.
听起来您可能没有使用适当的 emcmake 或 em ++ 参数.另外，如果要使用内部函数，则需要在gcc.h和clang.h(位于SEAL/native/src/seal/util/中)内使用一些条件，以便在整个环境中使用 wasm_simd128.h x86intrin.h
It sounds like you may not be using the appropriate emcmake or em++ arguments. In addition, if you want to use intrinsics you will need some conditionals inside gcc.h and clang.h (located in SEAL/native/src/seal/util/) to use the wasm_simd128.h over x86intrin.h
请随时检查我的实现和/或构建可在Mac和Linux(Ubuntu)上编译的脚本: https://github.com/morfix-io/node-seal
Feel free to checkout my implementation and/or build scripts that compile on Mac and Linux (Ubuntu): https://github.com/morfix-io/node-seal
或者如果您只想要一个工作库，请下载npm软件包: https://www.npmjs.com/package/node-seal
Or download the npm package if you just want a working library: https://www.npmjs.com/package/node-seal
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