https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99932
--- Comment #12 from Tom de Vries <vries at gcc dot gnu.org> --- Created attachment 52285 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=52285&action=edit Cuda reproducer non-32 vector length [ On T400, driver version 470.94 ] NVCC SASS: ... $ ./do.sh NVCC SASS, ptxas=-O0: + /home/vries/cuda/11.5.1/bin/nvcc vector-length-64.cu -arch=compute_75 -code=sm_75 -Xptxas -O0 + ./a.out NVCC SASS, ptxas=-O1: + /home/vries/cuda/11.5.1/bin/nvcc vector-length-64.cu -arch=compute_75 -code=sm_75 -Xptxas -O1 + ./a.out <HANGS> ... Driver SASS: ... $ ./do.sh DRIVER SASS, ptxas=-O0: + /home/vries/cuda/11.4.3/bin/nvcc vector-length-64.cu -arch=compute_75 -Xptxas -O0 + ./a.out DRIVER SASS, ptxas=-O1: + /home/vries/cuda/11.4.3/bin/nvcc vector-length-64.cu -arch=compute_75 -Xptxas -O1 + ./a.out <HANGS> ...
