mirror of
https://github.com/hrydgard/ppsspp.git
synced 2026-07-11 09:35:09 +02:00
Henrik Rydgård
84 lines
2.5 KiB
C++
84 lines
2.5 KiB
C++
// Copyright (c) 2013- PPSSPP Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0 or later versions.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official git repository and contact information can be found at
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// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
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#include "ppsspp_config.h"
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#include "Common/CPUDetect.h"
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#include "Core/Config.h"
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#include "Core/MIPS/JitCommon/JitState.h"
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#include "Core/MIPS/JitCommon/JitBlockCache.h"
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#include "Common/MemoryUtil.h"
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namespace MIPSComp {
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void JitState::Begin(JitBlock *block) {
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cancel = false;
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blockStart = block->originalAddress;
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compilerPC = block->originalAddress;
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initialBlockSize = 0;
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nextExit = 0;
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downcountAmount = 0;
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curBlock = block;
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compiling = true;
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inDelaySlot = false;
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blockWrotePrefixes = false;
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afterOp = JitState::AFTER_NONE;
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PrefixStart();
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}
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JitOptions::JitOptions() {
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disableFlags = (JitDisable)g_Config.uJitDisableFlags;
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// x86
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enableVFPUSIMD = !Disabled(JitDisable::SIMD);
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// Set by Asm if needed.
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reserveR15ForAsm = false;
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// ARM/ARM64
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useBackJump = false;
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useForwardJump = false;
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cachePointers = !Disabled(JitDisable::CACHE_POINTERS);
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// ARM only
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downcountInRegister = true;
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// Common
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// We can get block linking to work with W^X by doing even more unprotect/re-protect, but let's try without first.
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// enableBlocklink = !PlatformIsWXExclusive(); // Revert to this line if block linking is slow in W^X mode
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#if PPSSPP_ARCH(MIPS)
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enableBlocklink = false;
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#else
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enableBlocklink = !Disabled(JitDisable::BLOCKLINK);
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#endif
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useStaticAlloc = false;
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enablePointerify = false;
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#if PPSSPP_ARCH(ARM64) || PPSSPP_ARCH(RISCV64) || PPSSPP_ARCH(LOONGARCH64)
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useStaticAlloc = !Disabled(JitDisable::STATIC_ALLOC);
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// iOS/etc. may disable at runtime if Memory::base is not nicely aligned.
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enablePointerify = !Disabled(JitDisable::POINTERIFY);
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#endif
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#if PPSSPP_ARCH(RISCV64)
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// Seems to perform slightly better than a checked entry at the start.
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useBackJump = true;
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#endif
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}
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bool JitOptions::Disabled(JitDisable bit) {
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return (disableFlags & bit) != 0;
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}
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}
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