Example #1
0
void JitArm::ps_div(UGeckoInstruction inst)
{
	INSTRUCTION_START
	JITDISABLE(bJITPairedOff);
	FALLBACK_IF(inst.Rc);

	u32 a = inst.FA, b = inst.FB, d = inst.FD;

	ARMReg vA0 = fpr.R0(a);
	ARMReg vA1 = fpr.R1(a);
	ARMReg vB0 = fpr.R0(b);
	ARMReg vB1 = fpr.R1(b);
	ARMReg vD0 = fpr.R0(d, false);
	ARMReg vD1 = fpr.R1(d, false);

	VDIV(vD0, vA0, vB0);
	VDIV(vD1, vA1, vB1);
}
Example #2
0
void JitArm::ps_res(UGeckoInstruction inst)
{
	INSTRUCTION_START
	JITDISABLE(bJITPairedOff);
	FALLBACK_IF(inst.Rc);

	u32 b = inst.FB, d = inst.FD;

	ARMReg vB0 = fpr.R0(b);
	ARMReg vB1 = fpr.R1(b);
	ARMReg vD0 = fpr.R0(d, false);
	ARMReg vD1 = fpr.R1(d, false);
	ARMReg V0 = fpr.GetReg();
	MOVI2R(V0, 1.0, INVALID_REG); // temp reg not needed for 1.0

	VDIV(vD0, V0, vB0);
	VDIV(vD1, V0, vB1);
	fpr.Unlock(V0);
}
Example #3
0
	void Jit::Comp_VV2Op(u32 op) {
		CONDITIONAL_DISABLE;

		DISABLE;

		if (js.HasUnknownPrefix())
			DISABLE;

		VectorSize sz = GetVecSize(op);
		int n = GetNumVectorElements(sz);

		u8 sregs[4], dregs[4];
		GetVectorRegsPrefixS(sregs, sz, _VS);
		GetVectorRegsPrefixD(dregs, sz, _VD);

		ARMReg tempxregs[4];
		for (int i = 0; i < n; ++i)
		{
			if (!IsOverlapSafeAllowS(dregs[i], i, n, sregs))
			{
				int reg = fpr.GetTempV();
				fpr.MapRegV(reg, MAP_NOINIT | MAP_DIRTY);
				fpr.SpillLockV(reg);
				tempxregs[i] = fpr.V(reg);
			}
			else
			{
				fpr.MapRegV(dregs[i], (dregs[i] == sregs[i] ? 0 : MAP_NOINIT) | MAP_DIRTY);
				fpr.SpillLockV(dregs[i]);
				tempxregs[i] = fpr.V(dregs[i]);
			}
		}

		// Warning: sregs[i] and tempxregs[i] may be the same reg.
		// Helps for vmov, hurts for vrcp, etc.
		for (int i = 0; i < n; ++i)
		{
			switch ((op >> 16) & 0x1f)
			{
			case 0: // d[i] = s[i]; break; //vmov
				// Probably for swizzle.
				VMOV(tempxregs[i], fpr.V(sregs[i]));
				break;
			case 1: // d[i] = fabsf(s[i]); break; //vabs
				//if (!fpr.V(sregs[i]).IsSimpleReg(tempxregs[i]))
				VABS(tempxregs[i], fpr.V(sregs[i]));
				break;
			case 2: // d[i] = -s[i]; break; //vneg
				VNEG(tempxregs[i], fpr.V(sregs[i]));
				break;
			case 4: // if (s[i] < 0) d[i] = 0; else {if(s[i] > 1.0f) d[i] = 1.0f; else d[i] = s[i];} break;    // vsat0
				DISABLE;
				break;
			case 5: // if (s[i] < -1.0f) d[i] = -1.0f; else {if(s[i] > 1.0f) d[i] = 1.0f; else d[i] = s[i];} break;  // vsat1
				DISABLE;
				break;
			case 16: // d[i] = 1.0f / s[i]; break; //vrcp
				MOVI2F(S0, 1.0f, R0);
				VDIV(tempxregs[i], S0, fpr.V(sregs[i]));
				break;
			case 17: // d[i] = 1.0f / sqrtf(s[i]); break; //vrsq
				MOVI2F(S0, 1.0f, R0);
				VSQRT(S1, fpr.V(sregs[i]));
				VDIV(tempxregs[i], S0, S1);
				break;
			case 18: // d[i] = sinf((float)M_PI_2 * s[i]); break; //vsin
				DISABLE;
				break;
			case 19: // d[i] = cosf((float)M_PI_2 * s[i]); break; //vcos
				DISABLE;
				break;
			case 20: // d[i] = powf(2.0f, s[i]); break; //vexp2
				DISABLE;
				break;
			case 21: // d[i] = logf(s[i])/log(2.0f); break; //vlog2
				DISABLE;
				break;
			case 22: // d[i] = sqrtf(s[i]); break; //vsqrt
				VSQRT(tempxregs[i], fpr.V(sregs[i]));
				VABS(tempxregs[i], tempxregs[i]);
				break;
			case 23: // d[i] = asinf(s[i] * (float)M_2_PI); break; //vasin
				DISABLE;
				break;
			case 24: // d[i] = -1.0f / s[i]; break; // vnrcp
				MOVI2F(S0, -1.0f, R0);
				VDIV(tempxregs[i], S0, fpr.V(sregs[i]));
				break;
			case 26: // d[i] = -sinf((float)M_PI_2 * s[i]); break; // vnsin
				DISABLE;
				break;
			case 28: // d[i] = 1.0f / expf(s[i] * (float)M_LOG2E); break; // vrexp2
				DISABLE;
				break;
			}
		}

		fpr.MapRegsV(dregs, sz, MAP_NOINIT | MAP_DIRTY);
		for (int i = 0; i < n; ++i)
		{
			VMOV(fpr.V(dregs[i]), tempxregs[i]);
		}

		ApplyPrefixD(dregs, sz);

		fpr.ReleaseSpillLocks();
	}