move rep aliases to td file
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117822 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/AsmParser/X86AsmParser.cpp b/lib/Target/X86/AsmParser/X86AsmParser.cpp
index 9e31833..111afbf 100644
--- a/lib/Target/X86/AsmParser/X86AsmParser.cpp
+++ b/lib/Target/X86/AsmParser/X86AsmParser.cpp
@@ -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
diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td
index 71e90c0..9df6529 100644
--- a/lib/Target/X86/X86InstrInfo.td
+++ b/lib/Target/X86/X86InstrInfo.td
@@ -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">;