fld Convert the following RISC-V code segment to RISC-V vector instructions. Assume that x is a vector of double-precision floating-point numbers. f0, a (x3) // load scalar a addi x5, x19, 512 loop: fld f1, 0 (x19) // load x[i] fadd.d fi, f1, f0 fsd f1, 0(x19) addi x19, x19, 8 bltu x19, x5, loop