[llvm] [NFC][MC][Sparc] Rearrange decode functions in Sparc disassembler (PR #154973)

[Rahul Joshi via llvm-commits]

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@@ -266,16 +266,48 @@ DecodeCoprocPairRegisterClass(MCInst &Inst, unsigned RegNo, uint64_t Address,
   return MCDisassembler::Success;
 }
 
-static DecodeStatus DecodeCall(MCInst &Inst, unsigned insn, uint64_t Address,
-                               const MCDisassembler *Decoder);
-static DecodeStatus DecodeSIMM5(MCInst &Inst, unsigned insn, uint64_t Address,
-                                const MCDisassembler *Decoder);
-static DecodeStatus DecodeSIMM13(MCInst &Inst, unsigned insn, uint64_t Address,
-                                 const MCDisassembler *Decoder);
+static bool tryAddingSymbolicOperand(int64_t Value, bool isBranch,
+                                     uint64_t Address, uint64_t Offset,
+                                     uint64_t Width, MCInst &MI,
+                                     const MCDisassembler *Decoder) {
+  return Decoder->tryAddingSymbolicOperand(MI, Value, Address, isBranch, Offset,
+                                           Width, /*InstSize=*/4);
+}
+
+static DecodeStatus DecodeCall(MCInst &MI, unsigned insn, uint64_t Address,
+                               const MCDisassembler *Decoder) {
+  int64_t CallOffset = SignExtend64(fieldFromInstruction(insn, 0, 30), 30) * 4;
+  if (!tryAddingSymbolicOperand(Address + CallOffset, false, Address, 0, 30, MI,
+                                Decoder))
+    MI.addOperand(MCOperand::createImm(CallOffset));
+  return MCDisassembler::Success;
+}
+
+static DecodeStatus DecodeSIMM5(MCInst &MI, unsigned insn, uint64_t Address,
+                                const MCDisassembler *Decoder) {
+  assert(isUInt<5>(insn));
+  MI.addOperand(MCOperand::createImm(SignExtend64<5>(insn)));
+  return MCDisassembler::Success;
+}
+
+static DecodeStatus DecodeSIMM13(MCInst &MI, unsigned insn, uint64_t Address,
+                                 const MCDisassembler *Decoder) {
+  assert(isUInt<13>(insn));
+  MI.addOperand(MCOperand::createImm(SignExtend64<13>(insn)));
+  return MCDisassembler::Success;
+}
+
 template <unsigned N>
 constexpr static DecodeStatus DecodeDisp(MCInst &MI, uint32_t ImmVal,
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jurahul wrote:

Fixed.

https://github.com/llvm/llvm-project/pull/154973