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Jit64: Use dcbz slow path with accurate dcache

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Jit64::dcbz's fast path bypasses the dcache, so we shouldn't use it if
accurate dcache is turned on. This fixes the graphical corruption that
would occur in Mario Kart Wii's menu FMVs with accurate dcache.

JitArm64 never had this problem, because it implements dcbz in a
different way. It calls EmitBackpatchRoutine, which already has a check
for accurate dcache.
This commit is contained in:
JosJuice
2026-04-02 11:06:28 +02:00
parent e20f52ce7c
commit 904ed4b785
1 changed files with 2 additions and 1 deletions
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3
Source/Core/Core/PowerPC/Jit64/Jit_LoadStore.cpp
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@@ -448,7 +448,8 @@ void Jit64::dcbz(UGeckoInstruction inst)
end_dcbz_hack = J_CC(CC_L);
}
bool emit_fast_path = (m_ppc_state.feature_flags & FEATURE_FLAG_MSR_DR) && m_jit.jo.fastmem_arena;
bool emit_fast_path = (m_ppc_state.feature_flags & FEATURE_FLAG_MSR_DR) &&
m_jit.jo.fastmem_arena && !m_accurate_cpu_cache_enabled;
if (emit_fast_path)
{