hwacha/insns/vf.h

   1 if (VL) {
   2   if (!h->vf_active()) {
   3     WRITE_VF_PC(XS1 + insn.s_imm());
   4     for (uint32_t i=0; i<VL; i++)
   5       h->get_ut_state(i)->run = true;
   6   }
   7
   8   if (VF_PC & 3)
   9     h->take_exception(HWACHA_CAUSE_VF_MISALIGNED_FETCH, VF_PC);
  10
  11   mmu_t::insn_fetch_t ut_fetch = p->get_mmu()->load_insn(VF_PC);
  12   insn_t ut_insn = ut_fetch.insn.insn;
  13
  14   bool matched = false;
  15
  16   #define DECLARE_INSN(name, match, mask) \
  17     extern reg_t hwacha_##name(processor_t*, insn_t, reg_t); \
  18     if ((ut_insn.bits() & mask) == match) { \
  19       WRITE_VF_PC(hwacha_##name(p, ut_insn, VF_PC)); \
  20       matched = true; \
  21     }
  22   #include "opcodes_hwacha_ut.h"
  23   #undef DECLARE_INSN
  24
  25   if (!matched)
  26     h->take_exception(HWACHA_CAUSE_VF_ILLEGAL_INSTRUCTION, VF_PC);
  27
  28   // if vf is still running, rewind pc so that it will execute again
  29   if (h->vf_active())
  30     npc = pc;
  31 }