Reverting r241058 because it's causing buildbot failures.

llvm-svn: 241061

1 files changed, 7 insertions, 7 deletions

diff --git a/llvm/lib/Target/SystemZ/AsmParser/SystemZAsmParser.cpp b/llvm/lib/Target/SystemZ/AsmParser/SystemZAsmParser.cpp
index e143df1f4bb..3aa4c6bd32d 100644
--- a/llvm/lib/Target/SystemZ/AsmParser/SystemZAsmParser.cpp
+++ b/llvm/lib/Target/SystemZ/AsmParser/SystemZAsmParser.cpp
@@ -404,7 +404,6 @@ public:
   bool MatchAndEmitInstruction(SMLoc IDLoc, unsigned &Opcode,
                                OperandVector &Operands, MCStreamer &Out,
                                uint64_t &ErrorInfo,
-                               FeatureBitset &ErrorMissingFeature,
                                bool MatchingInlineAsm) override;
 
   // Used by the TableGen code to parse particular operand types.
@@ -783,13 +782,12 @@ bool SystemZAsmParser::MatchAndEmitInstruction(SMLoc IDLoc, unsigned &Opcode,
                                                OperandVector &Operands,
                                                MCStreamer &Out,
                                                uint64_t &ErrorInfo,
-                                               FeatureBitset &ErrorMissingFeature,
                                                bool MatchingInlineAsm) {
   MCInst Inst;
   unsigned MatchResult;
 
   MatchResult = MatchInstructionImpl(Operands, Inst, ErrorInfo,
-                                     ErrorMissingFeature, MatchingInlineAsm);
+                                     MatchingInlineAsm);
   switch (MatchResult) {
   case Match_Success:
     Inst.setLoc(IDLoc);
@@ -797,15 +795,17 @@ bool SystemZAsmParser::MatchAndEmitInstruction(SMLoc IDLoc, unsigned &Opcode,
     return false;
 
   case Match_MissingFeature: {
-    assert(ErrorMissingFeature.any() && "Unknown missing feature!");
+    assert(ErrorInfo && "Unknown missing feature!");
     // Special case the error message for the very common case where only
     // a single subtarget feature is missing
     std::string Msg = "instruction requires:";
-    for (unsigned I = 0; I < ErrorMissingFeature.size(); ++I) {
-      if (ErrorMissingFeature[I]) {
+    uint64_t Mask = 1;
+    for (unsigned I = 0; I < sizeof(ErrorInfo) * 8 - 1; ++I) {
+      if (ErrorInfo & Mask) {
         Msg += " ";
-        Msg += getSubtargetFeatureName(I);
+        Msg += getSubtargetFeatureName(ErrorInfo & Mask);
       }
+      Mask <<= 1;
     }
     return Error(IDLoc, Msg);
   }