From 4b81d19a1a4f3edd09a5e83d0ceae43462cb4ef1 Mon Sep 17 00:00:00 2001 From: Fernando Sahmkow Date: Thu, 19 Sep 2019 20:56:29 -0400 Subject: Shader_IR: Implement ICMP. --- .../shader/decode/arithmetic_integer.cpp | 26 ++++++++++++++++++++++ 1 file changed, 26 insertions(+) (limited to 'src/video_core/shader/decode/arithmetic_integer.cpp') diff --git a/src/video_core/shader/decode/arithmetic_integer.cpp b/src/video_core/shader/decode/arithmetic_integer.cpp index c8c1a7f40..1aa21010a 100644 --- a/src/video_core/shader/decode/arithmetic_integer.cpp +++ b/src/video_core/shader/decode/arithmetic_integer.cpp @@ -138,6 +138,32 @@ u32 ShaderIR::DecodeArithmeticInteger(NodeBlock& bb, u32 pc) { SetRegister(bb, instr.gpr0, value); break; } + case OpCode::Id::ICMP_CR: + case OpCode::Id::ICMP_R: + case OpCode::Id::ICMP_RC: { + UNIMPLEMENTED_IF(instr.icmp.is_signed != 0); + const Node zero = Immediate(0); + + const auto [op_a, op_b] = [&]() -> std::tuple { + switch (opcode->get().GetId()) { + case OpCode::Id::ICMP_CR: + return {GetConstBuffer(instr.cbuf34.index, instr.cbuf34.offset), + GetRegister(instr.gpr39)}; + case OpCode::Id::ICMP_R: + return {GetRegister(instr.gpr20), GetRegister(instr.gpr39)}; + case OpCode::Id::ICMP_RC: + return {GetRegister(instr.gpr39), + GetConstBuffer(instr.cbuf34.index, instr.cbuf34.offset)}; + default: + UNIMPLEMENTED(); + return {zero, zero}; + } + }(); + const Node test = GetRegister(instr.gpr8); + const Node comparison = GetPredicateComparisonInteger(instr.icmp.cond, false, test, zero); + SetRegister(bb, instr.gpr0, Operation(OperationCode::Select, comparison, op_a, op_b)); + break; + } case OpCode::Id::LOP_C: case OpCode::Id::LOP_R: case OpCode::Id::LOP_IMM: { -- cgit v1.2.3