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An issue with vector intrinsics, could someone help me?

Hello everybody, this is my first time posting on Reddit but I have a problem that I can't seem to figure out.

I am trying to write a report about the effects of changing the value of the vector length and the value of the stride length on the performance of the RISCV architecture. To test this out, I cloned the RISCV GNU toolchain and built it so that it would have the vector extension with it and I made a little code that uses the header file riscv_vector.h, I made sure the path is correct and that the compiler is reading it properly, however, it always gives me an error of implicitly defined functions in the code, and I think this means that it found the declaration in the header file but did not find the implementation. Could someone please help me figure out what could be the problem? And also is ths he best way to go about testing the effects for my report, since I am not really well-versed in this subject I wouldn't know what is the best way to test it. Thanks in advance.

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Create: 2025-05-13
Last Update: 2025-06-13 19:30:22

An issue with vector intrinsics, could someone help me?

Hello everybody, this is my first time posting on Reddit but I have a problem that I can't seem to figure out.

I am trying to write a report about the effects of changing the value of the vector length and the value of the stride length on the performance of the RISCV architecture. To test this out, I cloned the RISCV GNU toolchain and built it so that it would have the vector extension with it and I made a little code that uses the header file riscv_vector.h, I made sure the path is correct and that the compiler is reading it properly, however, it always gives me an error of implicitly defined functions in the code, and I think this means that it found the declaration in the header file but did not find the implementation. Could someone please help me figure out what could be the problem? And also is ths he best way to go about testing the effects for my report, since I am not really well-versed in this subject I wouldn't know what is the best way to test it. Thanks in advance.

https://redd.it/1kl7rhe
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