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CPU: Implement instruction cache simulation

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Implemented for all execution modes. Disabled by default in the cached
interpreter and recompiler, always enabled in the pure interpreter.
This commit is contained in:
Connor McLaughlin
2020-08-29 22:07:33 +10:00
parent efc00a2d0e
commit 19d6037b99
19 changed files with 449 additions and 75 deletions
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8
src/duckstation-libretro/libretro_host_interface.cpp
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@ -370,7 +370,7 @@ void LibretroHostInterface::OnSystemDestroyed()
m_using_hardware_renderer = false;
}
static std::array<retro_core_option_definition, 31> s_option_definitions = {{
static std::array<retro_core_option_definition, 32> s_option_definitions = {{
{"duckstation_Console.Region",
"Console Region",
"Determines which region/hardware to emulate. Auto-Detect will use the region of the disc inserted.",
@ -406,6 +406,12 @@ static std::array<retro_core_option_definition, 31> s_option_definitions = {{
"Which mode to use for CPU emulation. Recompiler provides the best performance.",
{{"Interpreter", "Interpreter"}, {"CachedIntepreter", "Cached Interpreter"}, {"Recompiler", "Recompiler"}},
"Recompiler"},
{"duckstation_CPU.RecompilerICache",
"CPU Recompiler ICache",
"Determines whether the CPU's instruction cache is simulated in the recompiler. Improves accuracy at a small cost "
"to performance. If games are running too fast, try enabling this option.",
{{"true", "Enabled"}, {"false", "Disabled"}},
"false"},
{"duckstation_GPU.Renderer",
"GPU Renderer",
"Which renderer to use to emulate the GPU",