MC/X86: Add alias for fwait.

llvm-svn: 105001
2010-05-28 20:59:10 +00:00 · 2010-05-28 20:59:10 +00:00 · b29228905f
parent a688566f0a
commit b29228905f
2 changed files with 6 additions and 0 deletions
--- a/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp
+++ b/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp
@ -644,6 +644,7 @@ ParseInstruction(const StringRef &Name, SMLoc NameLoc,
    .Case("cmovnlel", "cmovgl")
    .Case("cmovnzl", "cmovnel")
    .Case("cmovzl", "cmovel")
+    .Case("fwait", "wait")
    .Default(Name);

  // FIXME: Hack to recognize cmp<comparison code>{ss,sd,ps,pd}.
--- a/llvm/test/MC/AsmParser/X86/x86_32-new-encoder.s
+++ b/llvm/test/MC/AsmParser/X86/x86_32-new-encoder.s
@ -388,3 +388,8 @@ retl
 // CHECK: movl	%dr7, %eax
 // CHECK:  encoding: [0x0f,0x21,0xf8]
        movl %dr7,%eax
+
+// radr://8017522
+// CHECK: wait
+// CHECK:  encoding: [0x9b]
+	fwait