From 5300a918c60243ad3f3f9a145f0c8f495738e79f Mon Sep 17 00:00:00 2001
From: ReinUsesLisp <reinuseslisp@airmail.cc>
Date: Sat, 28 Mar 2020 03:55:04 -0300
Subject: [PATCH] shader/lea: Simplify generated LEA code
---
src/video_core/shader/decode/arithmetic_integer.cpp | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/src/video_core/shader/decode/arithmetic_integer.cpp b/src/video_core/shader/decode/arithmetic_integer.cpp
index 41ddc62214..0f4c3103a9 100644
--- a/src/video_core/shader/decode/arithmetic_integer.cpp
+++ b/src/video_core/shader/decode/arithmetic_integer.cpp
@@ -271,9 +271,8 @@ u32 ShaderIR::DecodeArithmeticInteger(NodeBlock& bb, u32 pc) {
UNIMPLEMENTED_IF_MSG(instr.lea.pred48 != static_cast<u64>(Pred::UnusedIndex),
"Unhandled LEA Predicate");
- Node shifted_c = Operation(OperationCode::ILogicalShiftLeft, Immediate(1), std::move(op_c));
- Node mul_bc = Operation(OperationCode::IMul, std::move(op_a), std::move(shifted_c));
- Node value = Operation(OperationCode::IAdd, std::move(op_b), std::move(mul_bc));
+ Node value = Operation(OperationCode::ILogicalShiftLeft, std::move(op_a), std::move(op_c));
+ value = Operation(OperationCode::IAdd, std::move(op_b), std::move(value));
SetRegister(bb, instr.gpr0, std::move(value));
break;