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shader_decode: Implement ISCADD

This commit is contained in:
ReinUsesLisp 2018-12-17 18:49:48 -03:00
parent b0e7920838
commit 210620ff31
1 changed files with 15 additions and 0 deletions
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15
src/video_core/shader/decode/arithmetic_integer.cpp
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@ -41,6 +41,21 @@ u32 ShaderIR::DecodeArithmeticInteger(BasicBlock& bb, u32 pc) {
SetRegister(bb, instr.gpr0, Operation(OperationCode::IAdd, PRECISE, op_a, op_b));
break;
}
case OpCode::Id::ISCADD_C:
case OpCode::Id::ISCADD_R:
case OpCode::Id::ISCADD_IMM: {
UNIMPLEMENTED_IF_MSG(instr.generates_cc,
"Condition codes generation in ISCADD is not implemented");
op_a = GetOperandAbsNegInteger(op_a, false, instr.alu_integer.negate_a, true);
op_b = GetOperandAbsNegInteger(op_b, false, instr.alu_integer.negate_b, true);
const Node shift = Immediate(static_cast<u32>(instr.alu_integer.shift_amount));
const Node shifted_a = Operation(OperationCode::ILogicalShiftLeft, NO_PRECISE, op_a, shift);
const Node value = Operation(OperationCode::IAdd, NO_PRECISE, shifted_a, op_b);
SetRegister(bb, instr.gpr0, value);
break;
}
case OpCode::Id::SEL_C:
case OpCode::Id::SEL_R:
case OpCode::Id::SEL_IMM: {