3 files changed, 17 insertions, 2 deletions
diff --git a/llvm/lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp b/llvm/lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp
index fc4cd6f1e0b..e1241139fbf 100644
--- a/llvm/lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp
+++ b/llvm/lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp
@@ -4764,13 +4764,18 @@ OperandMatchResultTy AMDGPUAsmParser::parseExpTgtImpl(StringRef Str,
     if (Str.getAsInteger(10, Val))
       return MatchOperand_ParseFail;
 
-    if (Val > 3)
+    if (Val > 4 || (Val == 4 && !isGFX10()))
       errorExpTgt();
 
     Val += 12;
     return MatchOperand_Success;
   }
 
+  if (isGFX10() && Str == "prim") {
+    Val = 20;
+    return MatchOperand_Success;
+  }
+
   if (Str.startswith("param")) {
     Str = Str.drop_front(5);
     if (Str.getAsInteger(10, Val))
diff --git a/llvm/lib/Target/AMDGPU/InstPrinter/AMDGPUInstPrinter.cpp b/llvm/lib/Target/AMDGPU/InstPrinter/AMDGPUInstPrinter.cpp
index b1fdfe15b66..f67904ad19d 100644
--- a/llvm/lib/Target/AMDGPU/InstPrinter/AMDGPUInstPrinter.cpp
+++ b/llvm/lib/Target/AMDGPU/InstPrinter/AMDGPUInstPrinter.cpp
@@ -923,8 +923,10 @@ void AMDGPUInstPrinter::printExpTgt(const MCInst *MI, unsigned OpNo,
     O << " mrtz";
   else if (Tgt == 9)
     O << " null";
-  else if (Tgt >= 12 && Tgt <= 15)
+  else if ((Tgt >= 12 && Tgt <= 15) || (Tgt == 16 && AMDGPU::isGFX10(STI)))
     O << " pos" << Tgt - 12;
+  else if (AMDGPU::isGFX10(STI) && Tgt == 20)
+    O << " prim";
   else if (Tgt >= 32 && Tgt <= 63)
     O << " param" << Tgt - 32;
   else {
diff --git a/llvm/lib/Target/AMDGPU/SIInstrInfo.td b/llvm/lib/Target/AMDGPU/SIInstrInfo.td
index 52b89a219a8..72b7d5088d9 100644
--- a/llvm/lib/Target/AMDGPU/SIInstrInfo.td
+++ b/llvm/lib/Target/AMDGPU/SIInstrInfo.td
@@ -1159,6 +1159,14 @@ multiclass EXP_m<bit done, SDPatternOperator node> {
         let DecoderNamespace = "GFX8";
         let DisableDecoder = DisableVIDecoder;
       }
+
+      def _gfx10 : EXP_Helper<done>,
+                SIMCInstr <"exp"#!if(done, "_done", ""), SIEncodingFamily.GFX10>,
+                EXPe {
+        let AssemblerPredicates = [isGFX10Plus];
+        let DecoderNamespace = "GFX10";
+        let DisableDecoder = DisableSIDecoder;
+      }
     }
   }
 }