From be6aec9932f6f4467052fa8a72dbeeb494201d9d Mon Sep 17 00:00:00 2001
From: MerryMage <MerryMage@users.noreply.github.com>
Date: Sun, 27 Dec 2020 20:47:53 +0000
Subject: [PATCH] Arm64Emitter: Add BFXIL

---
 Source/Core/Common/Arm64Emitter.cpp | 8 ++++++++
 Source/Core/Common/Arm64Emitter.h   | 1 +
 2 files changed, 9 insertions(+)

diff --git a/Source/Core/Common/Arm64Emitter.cpp b/Source/Core/Common/Arm64Emitter.cpp
index aeee7d2891..f0451e8a48 100644
--- a/Source/Core/Common/Arm64Emitter.cpp
+++ b/Source/Core/Common/Arm64Emitter.cpp
@@ -1663,6 +1663,14 @@ void ARM64XEmitter::BFI(ARM64Reg Rd, ARM64Reg Rn, u32 lsb, u32 width)
              lsb, width);
   EncodeBitfieldMOVInst(1, Rd, Rn, (size - lsb) % size, width - 1);
 }
+void ARM64XEmitter::BFXIL(ARM64Reg Rd, ARM64Reg Rn, u32 lsb, u32 width)
+{
+  u32 size = Is64Bit(Rn) ? 64 : 32;
+  ASSERT_MSG(DYNA_REC, lsb < size && width >= 1 && width <= size - lsb,
+             "%s passed lsb %d and width %d which is greater than the register size!", __func__,
+             lsb, width);
+  EncodeBitfieldMOVInst(1, Rd, Rn, lsb, lsb + width - 1);
+}
 void ARM64XEmitter::UBFIZ(ARM64Reg Rd, ARM64Reg Rn, u32 lsb, u32 width)
 {
   u32 size = Is64Bit(Rn) ? 64 : 32;
diff --git a/Source/Core/Common/Arm64Emitter.h b/Source/Core/Common/Arm64Emitter.h
index 246a7d86a6..db4b3ff02c 100644
--- a/Source/Core/Common/Arm64Emitter.h
+++ b/Source/Core/Common/Arm64Emitter.h
@@ -770,6 +770,7 @@ public:
   void SBFM(ARM64Reg Rd, ARM64Reg Rn, u32 immr, u32 imms);
   void UBFM(ARM64Reg Rd, ARM64Reg Rn, u32 immr, u32 imms);
   void BFI(ARM64Reg Rd, ARM64Reg Rn, u32 lsb, u32 width);
+  void BFXIL(ARM64Reg Rd, ARM64Reg Rn, u32 lsb, u32 width);
   void UBFIZ(ARM64Reg Rd, ARM64Reg Rn, u32 lsb, u32 width);
 
   // Extract register (ROR with two inputs, if same then faster on A67)