public static GetFpuRegister ( int f ) : RegisterStorage | ||
f | int | |
return | RegisterStorage |
private static RegisterOperand GetDoubleRegisterOperand(uint wInstr, int offset) { int encodedReg = (int)(wInstr >> offset) & 0x1F; int reg = ((encodedReg & 1) << 5) | (encodedReg & ~1); return(new RegisterOperand(Registers.GetFpuRegister(reg))); }
private void RewriteFitos() { var dst = (RegisterOperand)instrCur.Op2; var fpDst = frame.EnsureRegister(Registers.GetFpuRegister(dst.Register.Number)); var dt = PrimitiveType.Real32; emitter.Assign(fpDst, emitter.Cast(dt, RewriteOp(instrCur.Op1))); }
private void RewriteFnegs() { var dst = (RegisterOperand)instrCur.Op2; var src = (RegisterOperand)instrCur.Op1; var fdst = frame.EnsureRegister(Registers.GetFpuRegister(dst.Register.Number)); var fsrc = frame.EnsureRegister(Registers.GetFpuRegister(src.Register.Number)); emitter.Assign(fdst, emitter.Neg(fsrc)); }
// FPU register private static Mutator <SparcDisassembler> f(int pos) { return((u, d) => { var freg = Registers.GetFpuRegister((int)(u >> pos) & 0x1F); d.ops.Add(new RegisterOperand(freg)); return true; }); }
private void RewriteFnegs() { var dst = (RegisterOperand)instrCur.Operands[1]; var src = (RegisterOperand)instrCur.Operands[0]; var fdst = binder.EnsureRegister(Registers.GetFpuRegister(dst.Register.Number)); var fsrc = binder.EnsureRegister(Registers.GetFpuRegister(src.Register.Number)); m.Assign(fdst, m.Neg(fsrc)); }
private void RewriteFmovs() { var dst = (RegisterOperand)instrCur.Op2; var src = (RegisterOperand)instrCur.Op1; var fdst = binder.EnsureRegister(Registers.GetFpuRegister(dst.Register.Number)); var fsrc = binder.EnsureRegister(Registers.GetFpuRegister(src.Register.Number)); m.Assign(fdst, fsrc); }
private void RewriteFitod() { var dst = (RegisterOperand)instrCur.Op2; var r0 = frame.EnsureRegister(Registers.GetFpuRegister(dst.Register.Number)); var r1 = frame.EnsureRegister(Registers.GetFpuRegister(dst.Register.Number + 1)); var dt = PrimitiveType.Real64; var fpDst = frame.EnsureSequence(r0.Storage, r1.Storage, dt); emitter.Assign(fpDst, emitter.Cast(dt, RewriteOp(instrCur.Op1))); }
private void RewriteFitod() { var dst = (RegisterOperand)instrCur.Operands[1]; var r0 = binder.EnsureRegister(Registers.GetFpuRegister(dst.Register.Number)); var r1 = binder.EnsureRegister(Registers.GetFpuRegister(dst.Register.Number + 1)); var dt = PrimitiveType.Real64; var fpDst = binder.EnsureSequence(dt, r0.Storage, r1.Storage); m.Assign(fpDst, m.Cast(dt, RewriteOp(instrCur.Operands[0]))); }
private void RewriteFdivs() { var dst = (RegisterOperand)instrCur.Op3; var src1 = (RegisterOperand)instrCur.Op1; var src2 = (RegisterOperand)instrCur.Op2; var fdst = frame.EnsureRegister(Registers.GetFpuRegister(dst.Register.Number)); var fsrc1 = frame.EnsureRegister(Registers.GetFpuRegister(src1.Register.Number)); var fsrc2 = frame.EnsureRegister(Registers.GetFpuRegister(src2.Register.Number)); emitter.Assign(fdst, emitter.FDiv(fsrc1, fsrc2)); }
private void RewriteFcmpes() { var r1 = (RegisterOperand)instrCur.Op1; var r2 = (RegisterOperand)instrCur.Op2; var f1 = frame.EnsureRegister(Registers.GetFpuRegister(r1.Register.Number)); var f2 = frame.EnsureRegister(Registers.GetFpuRegister(r2.Register.Number)); var grf = frame.EnsureFlagGroup(arch.GetFlagGroup("ELGU")); emitter.Assign(grf, emitter.Cond(emitter.FSub(f1, f2))); }
private static RegisterOperand GetQuadRegisterOperand(uint wInstr, int offset) { int encodedReg = (int)(wInstr >> offset) & 0x1F; int reg = ((encodedReg & 1) << 5) | (encodedReg & ~1); if ((reg & 0x3) != 0) { return(null); } return(new RegisterOperand(Registers.GetFpuRegister(reg))); }
private void RewriteFcmpes() { var r1 = (RegisterOperand)instrCur.Operands[0]; var r2 = (RegisterOperand)instrCur.Operands[1]; var f1 = binder.EnsureRegister(Registers.GetFpuRegister(r1.Register.Number)); var f2 = binder.EnsureRegister(Registers.GetFpuRegister(r2.Register.Number)); var grf = binder.EnsureFlagGroup(arch.GetFlagGroup("ELGU")); m.Assign(grf, m.Cond(m.FSub(f1, f2))); }
private void RewriteFadds() { var dst = (RegisterOperand)instrCur.Operands[2]; var src1 = (RegisterOperand)instrCur.Operands[0]; var src2 = (RegisterOperand)instrCur.Operands[1]; var fdst = binder.EnsureRegister(Registers.GetFpuRegister(dst.Register.Number)); var fsrc1 = binder.EnsureRegister(Registers.GetFpuRegister(src1.Register.Number)); var fsrc2 = binder.EnsureRegister(Registers.GetFpuRegister(src2.Register.Number)); m.Assign(fdst, m.FAdd(fsrc1, fsrc2)); }
private void RewriteFsubs() { var dst = (RegisterOperand)instrCur.Op3; var src1 = (RegisterOperand)instrCur.Op1; var src2 = (RegisterOperand)instrCur.Op2; var fdst = binder.EnsureRegister(Registers.GetFpuRegister(dst.Register.Number)); var fsrc1 = binder.EnsureRegister(Registers.GetFpuRegister(src1.Register.Number)); var fsrc2 = binder.EnsureRegister(Registers.GetFpuRegister(src2.Register.Number)); m.Assign(fdst, m.FSub(fsrc1, fsrc2)); }
private RegisterOperand GetFpuRegisterOperand(uint wInstr, ref int i) { // Register operand are followed by their bit offset within the instruction, // expressed as decimal digits. int offset = 0; while (i < fmt.Length && Char.IsDigit(fmt[i])) { offset = offset * 10 + (fmt[i++] - '0'); } return(new RegisterOperand(Registers.GetFpuRegister((wInstr >> offset) & 0x1F))); }
private RegisterOperand GetDoubleRegisterOperand(uint wInstr, ref int i) { int offset = 0; while (i < fmt.Length && Char.IsDigit(fmt[i])) { offset = offset * 10 + (fmt[i++] - '0'); } int encodedReg = (int)(wInstr >> offset) & 0x1F; int reg = ((encodedReg & 1) << 5) | (encodedReg & ~1); return(new RegisterOperand(Registers.GetFpuRegister(reg))); }