[ARM] Add diagnostics for SPR/DPR lists

Differential revision: https://reviews.llvm.org/D39195

llvm-svn: 318766

2 files changed, 11 insertions, 2 deletions

diff --git a/llvm/lib/Target/ARM/ARMInstrInfo.td b/llvm/lib/Target/ARM/ARMInstrInfo.td
index 37a8594e544..4e13af59630 100644
--- a/llvm/lib/Target/ARM/ARMInstrInfo.td
+++ b/llvm/lib/Target/ARM/ARMInstrInfo.td
@@ -526,7 +526,10 @@ def reglist : Operand<i32> {
 
 def GPRPairOp : RegisterOperand<GPRPair, "printGPRPairOperand">;
 
-def DPRRegListAsmOperand : AsmOperandClass { let Name = "DPRRegList"; }
+def DPRRegListAsmOperand : AsmOperandClass {
+  let Name = "DPRRegList";
+  let DiagnosticType = "DPR_RegList";
+}
 def dpr_reglist : Operand<i32> {
   let EncoderMethod = "getRegisterListOpValue";
   let ParserMatchClass = DPRRegListAsmOperand;
@@ -534,7 +537,10 @@ def dpr_reglist : Operand<i32> {
   let DecoderMethod = "DecodeDPRRegListOperand";
 }
 
-def SPRRegListAsmOperand : AsmOperandClass { let Name = "SPRRegList"; }
+def SPRRegListAsmOperand : AsmOperandClass {
+  let Name = "SPRRegList";
+  let DiagnosticString = "operand must be a list of registers in range [s0, s31]";
+}
 def spr_reglist : Operand<i32> {
   let EncoderMethod = "getRegisterListOpValue";
   let ParserMatchClass = SPRRegListAsmOperand;
diff --git a/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp b/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
index caa46bcb98d..1d59cd1a745 100644
--- a/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
+++ b/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
@@ -10137,6 +10137,9 @@ ARMAsmParser::getCustomOperandDiag(ARMMatchResultTy MatchError) {
   case Match_DPR:
     return hasD16() ? "operand must be a register in range [d0, d15]"
                     : "operand must be a register in range [d0, d31]";
+  case Match_DPR_RegList:
+    return hasD16() ? "operand must be a list of registers in range [d0, d15]"
+                    : "operand must be a list of registers in range [d0, d31]";
 
   // For all other diags, use the static string from tablegen.
   default: