This patch could fix the following error when cross-compilation for Android (armeabi-v7a) with ndk-build.
In file included from jni/../jni/../src/neon/winograd-f6k3.c:1:
In file included from jni/../src/neon/winograd/f6x6k3x3.h:5:
jni/../include/nnpack/arm_neon.h:26:10: warning: implicit declaration of function 'vcvt_f32_f16' is invalid in C99 [-Wimplicit-function-declaration]
return vcvt_f32_f16(vld1_f16((const fp16*) address));
^
jni/../include/nnpack/arm_neon.h:26:10: error: returning 'int' from a function with incompatible result type 'float32x4_t' (vector of 4 'float32_t' values)
return vcvt_f32_f16(vld1_f16((const fp16) address));
^~~~~~~~~~~
jni/../include/nnpack/arm_neon.h:30:10: error: returning 'int' from a function with incompatible result type 'float32x4_t' (vector of 4 'float32_t' values)
return vcvt_f32_f16(vld1_f16((const __fp16)
^~~~~~~~~
jni/../include/nnpack/arm_neon.h:35:31: warning: implicit declaration of function 'vcvt_f16_f32' is invalid in C99 [-Wimplicit-function-declaration]
vst1_f16((fp16*) address, vcvt_f16_f32(vector));
^
jni/../include/nnpack/arm_neon.h:35:3: error: initializing 'float16x4_t' (vector of 4 'float16_t' values) with an expression of incompatible type 'int'
vst1_f16((fp16) address, vcvt_f16_f32(vector));
^ ~~~~
/home/mtk08168/android-ndk-r15c/toolchains/llvm/prebuilt/linux-x86_64/lib64/clang/5.0.300080/include/arm_neon.h:25224:15: note: expanded from macro 'vst1_f16'
float16x4_t s1 = p1; \
^ ~~~~
In file included from jni/../jni/../src/neon/winograd-f6k3.c:1:
In file included from jni/../src/neon/winograd/f6x6k3x3.h:5:
jni/../include/nnpack/arm_neon.h:39:3: error: initializing 'float16x4_t' (vector of 4 'float16_t' values) with an expression of incompatible type 'int'
vst1_f16((__fp16) __builtin_assume_aligned(address, sizeof(float16x4_t)),
^
/home/mtk08168/android-ndk-r15c/toolchains/llvm/prebuilt/linux-x86_64/lib64/clang/5.0.300080/include/arm_neon.h:25224:15: note: expanded from macro 'vst1_f16'
float16x4_t s1 = p1; \
^ ~~~~
2 warnings and 4 errors generated.
make: *** [obj/local/armeabi-v7a/objs/nnpack_test_ukernels/jni/__/src/neon/winograd-f6k3.o] Error 1
Maratyszcza
commented
7 years ago
This patch could fix the following error when cross-compilation for Android (armeabi-v7a) with
ndk-build.In file included from jni/../jni/../src/neon/winograd-f6k3.c:1: In file included from jni/../src/neon/winograd/f6x6k3x3.h:5: jni/../include/nnpack/arm_neon.h:26:10: warning: implicit declaration of function 'vcvt_f32_f16' is invalid in C99 [-Wimplicit-function-declaration] return vcvt_f32_f16(vld1_f16((const fp16*) address)); ^ jni/../include/nnpack/arm_neon.h:26:10: error: returning 'int' from a function with incompatible result type 'float32x4_t' (vector of 4 'float32_t' values) return vcvt_f32_f16(vld1_f16((const fp16) address)); ^
~~~~~~~~~~ jni/../include/nnpack/arm_neon.h:30:10: error: returning 'int' from a function with incompatible result type 'float32x4_t' (vector of 4 'float32_t' values) return vcvt_f32_f16(vld1_f16((const __fp16) ^~~~~~~~~ jni/../include/nnpack/arm_neon.h:35:31: warning: implicit declaration of function 'vcvt_f16_f32' is invalid in C99 [-Wimplicit-function-declaration] vst1_f16((fp16*) address, vcvt_f16_f32(vector)); ^ jni/../include/nnpack/arm_neon.h:35:3: error: initializing 'float16x4_t' (vector of 4 'float16_t' values) with an expression of incompatible type 'int' vst1_f16((fp16) address, vcvt_f16_f32(vector)); ^~~~~/home/mtk08168/android-ndk-r15c/toolchains/llvm/prebuilt/linux-x86_64/lib64/clang/5.0.300080/include/arm_neon.h:25224:15: note: expanded from macro 'vst1_f16' float16x4_t s1 = p1; \ ^ ~~~~ In file included from jni/../jni/../src/neon/winograd-f6k3.c:1: In file included from jni/../src/neon/winograd/f6x6k3x3.h:5: jni/../include/nnpack/arm_neon.h:39:3: error: initializing 'float16x4_t' (vector of 4 'float16_t' values) with an expression of incompatible type 'int' vst1_f16((__fp16) __builtin_assume_aligned(address, sizeof(float16x4_t)), ^ /home/mtk08168/android-ndk-r15c/toolchains/llvm/prebuilt/linux-x86_64/lib64/clang/5.0.300080/include/arm_neon.h:25224:15: note: expanded from macro 'vst1_f16' float16x4_t s1 = p1; \ ^ ~~~~ 2 warnings and 4 errors generated. make: *** [obj/local/armeabi-v7a/objs/nnpack_test_ukernels/jni/__/src/neon/winograd-f6k3.o] Error 1