FixupBranch JitArm64::JumpIfCRFieldBit(int field, int bit, bool jump_if_set)
{
ARM64Reg WA = gpr.GetReg();
ARM64Reg XA = EncodeRegTo64(WA);
FixupBranch branch;
switch (bit)
{
case CR_SO_BIT: // check bit 61 set
LDR(INDEX_UNSIGNED, XA, X29, PPCSTATE_OFF(cr_val[field]));
branch = jump_if_set ? TBNZ(XA, 61) : TBZ(XA, 61);
break;
case CR_EQ_BIT: // check bits 31-0 == 0
LDR(INDEX_UNSIGNED, WA, X29, PPCSTATE_OFF(cr_val[field]));
branch = jump_if_set ? CBZ(WA) : CBNZ(WA);
break;
case CR_GT_BIT: // check val > 0
LDR(INDEX_UNSIGNED, XA, X29, PPCSTATE_OFF(cr_val[field]));
CMP(XA, SP);
branch = B(jump_if_set ? CC_GT : CC_LE);
break;
case CR_LT_BIT: // check bit 62 set
LDR(INDEX_UNSIGNED, XA, X29, PPCSTATE_OFF(cr_val[field]));
branch = jump_if_set ? TBNZ(XA, 62) : TBZ(XA, 62);
break;
default:
_assert_msg_(DYNA_REC, false, "Invalid CR bit");
}
gpr.Unlock(WA);
return branch;
}
static inline void calcMB(void)
{
for(int i=1; i<N_PX-1; i++){
for(int j=1; j<N_PY-1; j++){
double complex nowMz = MZ(i,j);
Mz[ind(i,j)] = CMZ(i,j)*MZ(i,j) - CMZEXEY(i,j)*(EY(i+1,j) - EY(i,j) - EX(i,j+1) + EX(i,j));
Bz[ind(i,j)] = CBZ(i,j)*BZ(i,j) + CBZMZ1(i,j)*MZ(i,j) - CBZMZ0(i,j)*nowMz;
}
}
}