[RISCV] Support stack offset exceed 32-bit for RV64

Differential Revision: https://reviews.llvm.org/D61884

llvm-svn: 371810

1 files changed, 2 insertions, 4 deletions

diff --git a/llvm/lib/Target/RISCV/RISCVFrameLowering.cpp b/llvm/lib/Target/RISCV/RISCVFrameLowering.cpp
index ad19741a427..7d48634f206 100644
--- a/llvm/lib/Target/RISCV/RISCVFrameLowering.cpp
+++ b/llvm/lib/Target/RISCV/RISCVFrameLowering.cpp
@@ -74,7 +74,7 @@ void RISCVFrameLowering::adjustReg(MachineBasicBlock &MBB,
         .addReg(SrcReg)
         .addImm(Val)
         .setMIFlag(Flag);
-  } else if (isInt<32>(Val)) {
+  } else {
     unsigned Opc = RISCV::ADD;
     bool isSub = Val < 0;
     if (isSub) {
@@ -83,13 +83,11 @@ void RISCVFrameLowering::adjustReg(MachineBasicBlock &MBB,
     }
 
     Register ScratchReg = MRI.createVirtualRegister(&RISCV::GPRRegClass);
-    TII->movImm32(MBB, MBBI, DL, ScratchReg, Val, Flag);
+    TII->movImm(MBB, MBBI, DL, ScratchReg, Val, Flag);
     BuildMI(MBB, MBBI, DL, TII->get(Opc), DestReg)
         .addReg(SrcReg)
         .addReg(ScratchReg, RegState::Kill)
         .setMIFlag(Flag);
-  } else {
-    report_fatal_error("adjustReg cannot yet handle adjustments >32 bits");
   }
 }