[dynarmic:] TST + B.NE for marked bit

[dynarmic] use UBFX + CBNZ instead of TBNZ for marked bit
2026-09-12 06:39:26 +00:00 · 2026-09-12 06:13:12 +03:00 · 2026-09-12 02:19:48 +03:00
1 changed files with 2 additions and 2 deletions
@@ -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.TST(Xscratch0, 1ULL << *ctx.conf.page_table_marked_bit);
+        code.B(NE, *fallback);
    }

    if (ctx.conf.page_table_pointer_mask != 0) {
Author	SHA1	Message	Date
PavelBARABANOV	38bc353305	[dynarmic:] TST + B.NE for marked bit	2026-09-12 06:13:12 +03:00
PavelBARABANOV	ec111683cd	[dynarmic] use UBFX + CBNZ instead of TBNZ for marked bit	2026-09-12 02:19:48 +03:00