Index: llvm/lib/Target/AMDGPU/DSInstructions.td
===================================================================
--- llvm/lib/Target/AMDGPU/DSInstructions.td
+++ llvm/lib/Target/AMDGPU/DSInstructions.td
@@ -456,7 +456,7 @@
 
 let SubtargetPredicate = isGFX90APlus in {
   defm DS_ADD_F64     : DS_1A1D_NORET_mc_gfx9<"ds_add_f64", VReg_64>;
-  defm DS_ADD_RTN_F64 : DS_1A1D_RET_mc_gfx9<"ds_add_rtn_f64 ", VReg_64, "ds_add_f64">;
+  defm DS_ADD_RTN_F64 : DS_1A1D_RET_mc_gfx9<"ds_add_rtn_f64", VReg_64, "ds_add_f64">;
 } // End SubtargetPredicate = isGFX90APlus
 
 defm DS_MSKOR_B32     : DS_1A2D_NORET_mc<"ds_mskor_b32">;
Index: llvm/lib/Target/AMDGPU/MCTargetDesc/AMDGPUInstPrinter.cpp
===================================================================
--- llvm/lib/Target/AMDGPU/MCTargetDesc/AMDGPUInstPrinter.cpp
+++ llvm/lib/Target/AMDGPU/MCTargetDesc/AMDGPUInstPrinter.cpp
@@ -881,7 +881,7 @@
   } else if ((Imm >= DppCtrl::ROW_SHARE_FIRST) &&
              (Imm <= DppCtrl::ROW_SHARE_LAST)) {
     if (AMDGPU::isGFX90A(STI)) {
-      O << " row_newbcast:";
+      O << "row_newbcast:";
     } else if (AMDGPU::isGFX10Plus(STI)) {
       O << "row_share:";
     } else {