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[ms-inline asm] Simplify some logic and add a FIXME for unhandled unary minus.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179765 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chad Rosier 2013-04-18 16:28:19 +00:00
parent 6c8afad198
commit c3a9574eed
1 changed files with 13 additions and 10 deletions
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23
lib/Target/X86/AsmParser/X86AsmParser.cpp
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@ -315,7 +315,7 @@ private:
PrevState = CurrState;
}
void onDispExpr(const MCExpr *SymRef, StringRef SymRefName) {
IntelExprState CurrState = State;
PrevState = State;
switch (State) {
default:
State = IES_ERROR;
@ -328,7 +328,6 @@ private:
IC.pushOperand(IC_IMM);
break;
}
PrevState = CurrState;
}
void onInteger(int64_t TmpInt) {
IntelExprState CurrState = State;
@ -364,7 +363,7 @@ private:
PrevState = CurrState;
}
void onStar() {
IntelExprState CurrState = State;
PrevState = State;
switch (State) {
default:
State = IES_ERROR;
@ -376,10 +375,9 @@ private:
IC.pushOperator(IC_MULTIPLY);
break;
}
PrevState = CurrState;
}
void onDivide() {
IntelExprState CurrState = State;
PrevState = State;
switch (State) {
default:
State = IES_ERROR;
@ -390,10 +388,9 @@ private:
IC.pushOperator(IC_DIVIDE);
break;
}
PrevState = CurrState;
}
void onLBrac() {
IntelExprState CurrState = State;
PrevState = State;
switch (State) {
default:
State = IES_ERROR;
@ -403,7 +400,6 @@ private:
IC.pushOperator(IC_PLUS);
break;
}
PrevState = CurrState;
}
void onRBrac() {
IntelExprState CurrState = State;
@ -441,6 +437,14 @@ private:
case IES_MULTIPLY:
case IES_DIVIDE:
case IES_LPAREN:
// FIXME: We don't handle this type of unary minus, yet.
if ((PrevState == IES_PLUS || PrevState == IES_MINUS ||
PrevState == IES_MULTIPLY || PrevState == IES_DIVIDE ||
PrevState == IES_LPAREN || PrevState == IES_LBRAC) &&
CurrState == IES_MINUS) {
State = IES_ERROR;
break;
}
State = IES_LPAREN;
IC.pushOperator(IC_LPAREN);
break;
@ -448,7 +452,7 @@ private:
PrevState = CurrState;
}
void onRParen() {
IntelExprState CurrState = State;
PrevState = State;
switch (State) {
default:
State = IES_ERROR;
@ -460,7 +464,6 @@ private:
IC.pushOperator(IC_RPAREN);
break;
}
PrevState = CurrState;
}
};