On 14/05/2015 20:12, Richard Henderson wrote:
> /* We know both pages are present and writable. */
> if (eaddr == baddr + 15) {
> /* Consecutive pages in RAM. */
> memcpy(baddr, register, 16);
> } else {
> /* Someone's doing an MSA store to device memory. */
> for (i = 0; i < 2; ++i) {
> helper_ret_stq_mmu(env, vaddr + i*8, register.d[0],
> make_memop_idx(MO_UNALN | MO_TEQ, mmu_idx),
> GETRA());
> }
> }
We would additionally need to take care of vector elements' endianness
before using this code. Therefore always using helper_ret_st[bwlq]_mmu
(depending on data format) in a loop probably is simpler.
Leon
