Adds AVX-512 VSIB addressing support to instr_compute_address_ex and instr_compute_address_ex_pos.
Adds scatter opcodes handling to above.
Augments api.ir with tests for above.
Issue: #1312
Adds AVX-512 VSIB addressing support to instr_compute_address_ex and instr_compute_address_ex_pos.
Adds scatter opcodes handling to above.
Augments api.ir with tests for above.
Issue: #1312