From 8f37531f8ef94e9a43d33232f4c2da980ce7bf80 Mon Sep 17 00:00:00 2001
From: ReinUsesLisp <reinuseslisp@airmail.cc>
Date: Fri, 21 Dec 2018 02:22:57 -0300
Subject: [PATCH] shader_decode: Implement LOP
---
.../shader/decode/arithmetic_integer.cpp | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/src/video_core/shader/decode/arithmetic_integer.cpp b/src/video_core/shader/decode/arithmetic_integer.cpp
index 429b868131..d01336e0ef 100644
--- a/src/video_core/shader/decode/arithmetic_integer.cpp
+++ b/src/video_core/shader/decode/arithmetic_integer.cpp
@@ -49,6 +49,21 @@ u32 ShaderIR::DecodeArithmeticInteger(BasicBlock& bb, u32 pc) {
SetRegister(bb, instr.gpr0, value);
break;
}
+ case OpCode::Id::LOP_C:
+ case OpCode::Id::LOP_R:
+ case OpCode::Id::LOP_IMM: {
+ UNIMPLEMENTED_IF_MSG(instr.generates_cc,
+ "Condition codes generation in LOP is not implemented");
+
+ if (instr.alu.lop.invert_a)
+ op_a = Operation(OperationCode::IBitwiseNot, NO_PRECISE, op_a);
+ if (instr.alu.lop.invert_b)
+ op_b = Operation(OperationCode::IBitwiseNot, NO_PRECISE, op_b);
+
+ WriteLogicOperation(bb, instr.gpr0, instr.alu.lop.operation, op_a, op_b,
+ instr.alu.lop.pred_result_mode, instr.alu.lop.pred48);
+ break;
+ }
default:
UNIMPLEMENTED_MSG("Unhandled ArithmeticInteger instruction: {}", opcode->get().GetName());
}
--
GitLab