From 5e6a0a08c14df8e1993f4f72b1bbfd388a5ea48e Mon Sep 17 00:00:00 2001 From: ReinUsesLisp Date: Thu, 20 Dec 2018 23:56:45 -0300 Subject: [PATCH] shader_decode: Implement FMNMX_C, FMNMX_R and FMNMX_IMM --- src/video_core/shader/decode/arithmetic.cpp | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/src/video_core/shader/decode/arithmetic.cpp b/src/video_core/shader/decode/arithmetic.cpp index fb688c3241..0b66543976 100644 --- a/src/video_core/shader/decode/arithmetic.cpp +++ b/src/video_core/shader/decode/arithmetic.cpp @@ -122,6 +122,24 @@ u32 ShaderIR::DecodeArithmetic(BasicBlock& bb, u32 pc) { SetRegister(bb, instr.gpr0, value); break; } + case OpCode::Id::FMNMX_C: + case OpCode::Id::FMNMX_R: + case OpCode::Id::FMNMX_IMM: { + UNIMPLEMENTED_IF_MSG(instr.generates_cc, + "Condition codes generation in FMNMX is not implemented"); + + op_a = GetOperandAbsNegFloat(op_a, instr.alu.abs_a, instr.alu.negate_a); + op_b = GetOperandAbsNegFloat(op_b, instr.alu.abs_b, instr.alu.negate_b); + + const Node condition = GetPredicate(instr.alu.fmnmx.pred, instr.alu.fmnmx.negate_pred != 0); + + const Node min = Operation(OperationCode::FMin, NO_PRECISE, op_a, op_b); + const Node max = Operation(OperationCode::FMax, NO_PRECISE, op_a, op_b); + + SetRegister(bb, instr.gpr0, + Operation(OperationCode::Select, NO_PRECISE, condition, min, max)); + break; + } default: UNIMPLEMENTED_MSG("Unhandled arithmetic instruction: {}", opcode->get().GetName()); }