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Reverting r117031 to cleanup valgrind errors.

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It doesn't look like anything is wrong with the checkin,
but the new test cases expose a mem bug in AsmParser.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117087 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Andrew Trick
2010-10-22 03:58:29 +00:00
parent 4f512efee9
commit 0966ec0861
6 changed files with 48 additions and 117 deletions
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9
lib/Target/X86/AsmParser/X86AsmParser.cpp
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@@ -703,7 +703,6 @@ ParseInstruction(StringRef Name, SMLoc NameLoc,
.Case("fwait", "wait")
.Case("movzx", "movzb") // FIXME: Not correct.
.Case("fildq", "fildll")
.Case("ud2a", "ud2")
.Default(Name);
// FIXME: Hack to recognize cmp<comparison code>{ss,sd,ps,pd}.
@@ -1176,10 +1175,9 @@ MatchAndEmitInstruction(SMLoc IDLoc,
// First, handle aliases that expand to multiple instructions.
// FIXME: This should be replaced with a real .td file alias mechanism.
if (Op->getToken() == "fstsw" || Op->getToken() == "fstsww" ||
Op->getToken() == "fstcw" || Op->getToken() == "fstcww" ||
if (Op->getToken() == "fstsw" || Op->getToken() == "fstcw" ||
Op->getToken() == "finit" || Op->getToken() == "fsave" ||
Op->getToken() == "fstenv" || Op->getToken() == "fclex") {
Op->getToken() == "fstenv") {
MCInst Inst;
Inst.setOpcode(X86::WAIT);
Out.EmitInstruction(Inst);
@@ -1189,11 +1187,8 @@ MatchAndEmitInstruction(SMLoc IDLoc,
.Case("finit", "fninit")
.Case("fsave", "fnsave")
.Case("fstcw", "fnstcw")
.Case("fstcww", "fnstcw")
.Case("fstenv", "fnstenv")
.Case("fstsw", "fnstsw")
.Case("fstsww", "fnstsw")
.Case("fclex", "fnclex")
.Default(0);
assert(Repl && "Unknown wait-prefixed instruction");
delete Operands[0];