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Initial version for riscv sifive x280

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Heller Zheng
2022-11-15 00:06:25 -08:00
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@@ -186,6 +186,11 @@ Please read `GotoBLAS_01Readme.txt` for older CPU models already supported by th
```
(also known to work on C906)
- **x280**: LLVM auto-vectorization using RISC-V Vector extension 1.0.
```sh
make HOSTCC=gcc TARGET=x280 NUM_THREADS=8 CC=riscv64-unknown-linux-gnu-clang FC=riscv64-unknown-linux-gnu-gfortran
```
### Support for multiple targets in a single library
OpenBLAS can be built for multiple targets with runtime detection of the target cpu by specifiying `DYNAMIC_ARCH=1` in Makefile.rule, on the gmake command line or as `-DDYNAMIC_ARCH=TRUE` in cmake.