Core: Add CX86RegInfo::GetFPStatusReg

project64 · May 16, 2024 · 7f18773 · 7f18773
1 parent 13bd420
commit 7f18773
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diff --git a/Source/Project64-core/N64System/Recompiler/x86/x86RegInfo.cpp b/Source/Project64-core/N64System/Recompiler/x86/x86RegInfo.cpp
@@ -394,6 +394,18 @@ bool CX86RegInfo::IsFPStatusRegMapped()
     return false;
 }
 
+asmjit::x86::Gp CX86RegInfo::GetFPStatusReg() const
+{
+    for (int32_t i = 0, n = x86RegIndex_Size; i < n; i++)
+    {
+        if (GetX86Mapped((x86RegIndex)i) == FPStatusReg_Mapped)
+        {
+            return GetX86RegFromIndex((x86RegIndex)i);
+        }
+    }
+    return x86Reg_Unknown;
+}
+
 asmjit::x86::Gp CX86RegInfo::FreeX86Reg()
 {
     if (GetX86Mapped(x86RegIndex_EDI) == NotMapped && !GetX86Protected(x86RegIndex_EDI))

diff --git a/Source/Project64-core/N64System/Recompiler/x86/x86RegInfo.h b/Source/Project64-core/N64System/Recompiler/x86/x86RegInfo.h
@@ -90,6 +90,7 @@ class CX86RegInfo :
     const asmjit::x86::St & StackPosition(int32_t Reg);
 
     bool IsFPStatusRegMapped();
+    asmjit::x86::Gp GetFPStatusReg() const;
     asmjit::x86::Gp FreeX86Reg();
     asmjit::x86::Gp Free8BitX86Reg();
     void Map_GPR_32bit(int32_t MipsReg, bool SignValue, int32_t MipsRegToLoad);