On 9/3/25 02:26, Max Chou wrote:
The partial_sum and the final mask are created to ensure the behavior described in the Zvqdotq isa spec section 3 as follows:“Finally, the four products are accumulated into the corresponding element of vd, wrapping around signed overflow.”
This is accomplished by the -fwrapv argument to the compiler, with which all of qemu is compiled.
r~
