[AArch64][InstructionSelector] Teach how to select FP load/store.

This patch allows to select 32 and 64-bit FP load and store.

llvm-svn: 283832

1 files changed, 7 insertions, 0 deletions

diff --git a/llvm/lib/Target/AArch64/AArch64InstructionSelector.cpp b/llvm/lib/Target/AArch64/AArch64InstructionSelector.cpp
index c8a00199e27..4aa02f56bd2 100644
--- a/llvm/lib/Target/AArch64/AArch64InstructionSelector.cpp
+++ b/llvm/lib/Target/AArch64/AArch64InstructionSelector.cpp
@@ -201,6 +201,13 @@ static unsigned selectLoadStoreUIOp(unsigned GenericOpc, unsigned RegBankID,
     case 64:
       return isStore ? AArch64::STRXui : AArch64::LDRXui;
     }
+  case AArch64::FPRRegBankID:
+    switch (OpSize) {
+    case 32:
+      return isStore ? AArch64::STRSui : AArch64::LDRSui;
+    case 64:
+      return isStore ? AArch64::STRDui : AArch64::LDRDui;
+    }
   };
   return GenericOpc;
 }