[llvm-commits] [llvm] r117822 - in /llvm/trunk/lib/Target/X86: AsmParser/X86AsmParser.cpp X86InstrInfo.td

[Chris Lattner]

Author: lattner
Date: Sat Oct 30 13:17:33 2010
New Revision: 117822

URL: http://llvm.org/viewvc/llvm-project?rev=117822&view=rev
Log:
move rep aliases to td file

Modified:
    llvm/trunk/lib/Target/X86/AsmParser/X86AsmParser.cpp
    llvm/trunk/lib/Target/X86/X86InstrInfo.td

Modified: llvm/trunk/lib/Target/X86/AsmParser/X86AsmParser.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/AsmParser/X86AsmParser.cpp?rev=117822&r1=117821&r2=117822&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/AsmParser/X86AsmParser.cpp (original)
+++ llvm/trunk/lib/Target/X86/AsmParser/X86AsmParser.cpp Sat Oct 30 13:17:33 2010
@@ -620,13 +620,10 @@
 bool X86ATTAsmParser::
 ParseInstruction(StringRef Name, SMLoc NameLoc,
                  SmallVectorImpl<MCParsedAsmOperand*> &Operands) {
-  // FIXME: Hack to recognize "sal..." and "rep..." for now. We need a way to
-  // represent alternative syntaxes in the .td file, without requiring
-  // instruction duplication.
+  // FIXME: Hack to recognize some aliases.
   StringRef PatchedName = StringSwitch<StringRef>(Name)
     .Case("repe", "rep")
     .Case("repz", "rep")
-    .Case("repnz", "repne")
     .Case("push", Is64Bit ? "pushq" : "pushl")
     .Case("pop", Is64Bit ? "popq" : "popl")
     .Case("pushf", Is64Bit ? "pushfq" : "pushfl")
@@ -721,7 +718,8 @@
   // Determine whether this is an instruction prefix.
   bool isPrefix =
     PatchedName == "lock" || PatchedName == "rep" ||
-    PatchedName == "repne";
+    PatchedName == "repe" || PatchedName == "repz" ||
+    PatchedName == "repne" || PatchedName == "repnz";
 
 
   // This does the actual operand parsing.  Don't parse any more if we have a

Modified: llvm/trunk/lib/Target/X86/X86InstrInfo.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86InstrInfo.td?rev=117822&r1=117821&r2=117822&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86InstrInfo.td (original)
+++ llvm/trunk/lib/Target/X86/X86InstrInfo.td Sat Oct 30 13:17:33 2010
@@ -1269,6 +1269,10 @@
 def : MnemonicAlias<"pushfd", "pushfl">;
 def : MnemonicAlias<"popfd",  "popfl">;
 
+def : MnemonicAlias<"repe", "rep">;
+def : MnemonicAlias<"repz", "rep">;
+def : MnemonicAlias<"repnz", "repne">;
+
 def : MnemonicAlias<"salb", "shlb">;
 def : MnemonicAlias<"salw", "shlw">;
 def : MnemonicAlias<"sall", "shll">;