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[dynarmic] use UBFX + CBNZ instead of TBNZ for marked bit

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PavelBARABANOV
2026-09-12 02:19:48 +03:00
parent f3af5d0c25
commit ec111683cd
1 changed files with 2 additions and 2 deletions
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src/dynarmic/src/dynarmic/backend/arm64/emit_arm64_memory.cpp
+2 -2
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@@ -274,8 +274,8 @@ std::pair<oaknut::XReg, oaknut::XReg> InlinePageTableEmitVAddrLookup(oaknut::Cod
code.LDR(Xscratch0, Xpagetable, Xscratch0);
if (ctx.conf.page_table_marked_bit) {
// check for marked bit
code.TBNZ(Xscratch0, *ctx.conf.page_table_marked_bit, *fallback);
code.UBFX(Xscratch1, Xscratch0, *ctx.conf.page_table_marked_bit, 1);
code.CBNZ(Xscratch1, *fallback);
}
if (ctx.conf.page_table_pointer_mask != 0) {