From 210620ff314c774cd0da5a6b50501dec45914751 Mon Sep 17 00:00:00 2001 From: ReinUsesLisp Date: Mon, 17 Dec 2018 18:49:48 -0300 Subject: shader_decode: Implement ISCADD --- src/video_core/shader/decode/arithmetic_integer.cpp | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'src/video_core/shader') diff --git a/src/video_core/shader/decode/arithmetic_integer.cpp b/src/video_core/shader/decode/arithmetic_integer.cpp index d01336e0e..d494af736 100644 --- a/src/video_core/shader/decode/arithmetic_integer.cpp +++ b/src/video_core/shader/decode/arithmetic_integer.cpp @@ -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(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: { -- cgit v1.2.3