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ARM64: Port x86 iFPUd full clamp mode (eeClampMode=3) for EE FPU, fixes NFS Carbon hang

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This commit is contained in:
David Isztl
2026-06-11 20:29:23 +02:00
parent 10dcd5c184
commit 2676a3aa19
2 changed files with 512 additions and 7 deletions
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pcsx2/arm64/aR5900.h
+3
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@@ -109,6 +109,9 @@ static constexpr u32 EE_FPRC_OFFSET(u32 n)
// Byte offset of the FPU accumulator (ACC) — the destination of the ADDA/SUBA/MULA/
// MADDA/MSUBA ACC ops.
static constexpr u32 EE_ACC_OFFSET = EE_FPU_BASE + static_cast<u32>(offsetof(fpuRegisters, ACC));
// Byte offset of fpuRegs.ACCflag — the recompiler-internal "ACC overflowed" bit that
// full clamp mode's MADD/MSUB overflow propagation tests (x86 iFPUd recMaddsub).
static constexpr u32 EE_ACCFLAG_OFFSET = EE_FPU_BASE + static_cast<u32>(offsetof(fpuRegisters, ACCflag));
// --------------------------------------------------------------------------------------
// FPU (COP1) exact-semantics opcode generators (Phase 5.2a)
pcsx2/arm64/aR5900FPU.cpp
+509 -7
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