llama.cpp

e4221480 - hip : optimize Q2_0 dot-product path for gfx1201 (#26753)

hip : optimize Q2_0 dot-product path for gfx1201 (#26753) * hip/gfx1201: optimize q2_0 vec_dot_q2_0_q8_1 with native amdgcn perm * Broadened HIP's Q2_0 perm optimization * Remove redundant HIP perm availability guard * Optimize HIP Q2_0 MMQ unpack with native perm * cuda: label HIP preprocessor guard * cuda: label HIP preprocessor guard * Restore MMQ tile index handling