From 9170200a11715d131645d1ffb92e86e6ef0d7e88 Mon Sep 17 00:00:00 2001
From: ReinUsesLisp <reinuseslisp@airmail.cc>
Date: Thu, 11 Feb 2021 16:39:06 -0300
Subject: shader: Initial implementation of an AST
---
.../frontend/maxwell/termination_code.cpp | 86 ----------------------
1 file changed, 86 deletions(-)
delete mode 100644 src/shader_recompiler/frontend/maxwell/termination_code.cpp
(limited to 'src/shader_recompiler/frontend/maxwell/termination_code.cpp')
diff --git a/src/shader_recompiler/frontend/maxwell/termination_code.cpp b/src/shader_recompiler/frontend/maxwell/termination_code.cpp
deleted file mode 100644
index ed5137f20c..0000000000
--- a/src/shader_recompiler/frontend/maxwell/termination_code.cpp
+++ /dev/null
@@ -1,86 +0,0 @@
-// Copyright 2021 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include <span>
-
-#include "shader_recompiler/exception.h"
-#include "shader_recompiler/frontend/ir/basic_block.h"
-#include "shader_recompiler/frontend/ir/ir_emitter.h"
-#include "shader_recompiler/frontend/maxwell/control_flow.h"
-#include "shader_recompiler/frontend/maxwell/termination_code.h"
-
-namespace Shader::Maxwell {
-
-static void EmitExit(IR::IREmitter& ir) {
- ir.Exit();
-}
-
-static IR::U1 GetFlowTest(IR::FlowTest flow_test, IR::IREmitter& ir) {
- switch (flow_test) {
- case IR::FlowTest::T:
- return ir.Imm1(true);
- case IR::FlowTest::F:
- return ir.Imm1(false);
- case IR::FlowTest::NE:
- // FIXME: Verify this
- return ir.LogicalNot(ir.GetZFlag());
- case IR::FlowTest::NaN:
- // FIXME: Verify this
- return ir.LogicalAnd(ir.GetSFlag(), ir.GetZFlag());
- default:
- throw NotImplementedException("Flow test {}", flow_test);
- }
-}
-
-static IR::U1 GetCond(IR::Condition cond, IR::IREmitter& ir) {
- const IR::FlowTest flow_test{cond.FlowTest()};
- const auto [pred, pred_negated]{cond.Pred()};
- if (pred == IR::Pred::PT && !pred_negated) {
- return GetFlowTest(flow_test, ir);
- }
- if (flow_test == IR::FlowTest::T) {
- return ir.GetPred(pred, pred_negated);
- }
- return ir.LogicalAnd(ir.GetPred(pred, pred_negated), GetFlowTest(flow_test, ir));
-}
-
-static void EmitBranch(const Flow::Block& flow_block, std::span<IR::Block* const> block_map,
- IR::IREmitter& ir) {
- const auto add_immediate_predecessor = [&](Flow::BlockId label) {
- block_map[label]->AddImmediatePredecessor(&ir.block);
- };
- if (flow_block.cond == true) {
- add_immediate_predecessor(flow_block.branch_true);
- return ir.Branch(block_map[flow_block.branch_true]);
- }
- if (flow_block.cond == false) {
- add_immediate_predecessor(flow_block.branch_false);
- return ir.Branch(block_map[flow_block.branch_false]);
- }
- add_immediate_predecessor(flow_block.branch_true);
- add_immediate_predecessor(flow_block.branch_false);
- return ir.BranchConditional(GetCond(flow_block.cond, ir), block_map[flow_block.branch_true],
- block_map[flow_block.branch_false]);
-}
-
-void EmitTerminationCode(const Flow::Block& flow_block, std::span<IR::Block* const> block_map) {
- IR::Block* const block{block_map[flow_block.id]};
- IR::IREmitter ir(*block);
- switch (flow_block.end_class) {
- case Flow::EndClass::Branch:
- EmitBranch(flow_block, block_map, ir);
- break;
- case Flow::EndClass::Exit:
- EmitExit(ir);
- break;
- case Flow::EndClass::Return:
- ir.Return();
- break;
- case Flow::EndClass::Unreachable:
- ir.Unreachable();
- break;
- }
-}
-
-} // namespace Shader::Maxwell
--
cgit v1.2.3-70-g09d2