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RISC-V: updated intrin_rvv071.hpp to work with modern toolchain 2.8.0#24841

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asmorkalov merged 2 commits intoopencv:4.xfrom
mshabunin:rvv-071-update
Jan 19, 2024
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RISC-V: updated intrin_rvv071.hpp to work with modern toolchain 2.8.0#24841
asmorkalov merged 2 commits intoopencv:4.xfrom
mshabunin:rvv-071-update

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@mshabunin mshabunin commented Jan 10, 2024 •
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  • intrinsics implementation (071) reworked to use modern RVV intrinsics syntax
  • cmake toolchain file (071) now allows selecting from predefined configurations
Build instruction:
  • use Xuantie toolchain 2.8.0: https://github.com/T-head-Semi/xuantie-gnu-toolchain
  • configure: 
    PATH=/opt/xuantie-2.8.0/bin:${PATH} \
cmake -GNinja \
 -DCMAKE_BUILD_TYPE=Release \
 -DBUILD_SHARED_LIBS=OFF \
 -DWITH_OPENCL=OFF \
 -DCMAKE_TOOLCHAIN_FILE=/opencv/platforms/linux/riscv64-071-gcc.toolchain.cmake \
 -DCORE=C910 \
 /opencv
  • build: ninja

UPD:

TODO (after merge):

  • update weekly RISC-V build and instruction on wiki

@mshabunin mshabunin marked this pull request as ready for review January 16, 2024 12:11
@opencv-alalek opencv-alalek self-requested a review January 16, 2024 13:48
opencv-alalek
opencv-alalek reviewed Jan 17, 2024
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@asmorkalov asmorkalov added this to the 4.10.0 milestone Jan 17, 2024
mshabunin and others added 2 commits January 17, 2024 20:34
@mshabunin @sunfanglinux
RISC-V: updated intrin_rvv071.hpp to work with modern toolchain 2.8.0
224b9ee 
- intrinsics implementation (071) reworked to use modern RVV intrinsics syntax
- cmake toolchain file (071) now allows selecting from predefined configurations

Co-authored-by: Fang Sun <fangsun@linux.alibaba.com>
@mshabunin
RISC-V: use non-saturating 64-bit add in intrin_rvv071.hpp
6b77f50
@mshabunin mshabunin mentioned this pull request Jan 17, 2024
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@mshabunin mshabunin mentioned this pull request Jan 18, 2024
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@asmorkalov asmorkalov merged commit d066c44 into opencv:4.x Jan 19, 2024
@mshabunin mshabunin deleted the rvv-071-update branch January 19, 2024 06:27
@asmorkalov asmorkalov mentioned this pull request Jan 23, 2024
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