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Revert r125595, which is an X86-only undocumented assembly syntax extension

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enabled for all targets. Non-X86 targets should not have this behavior
enabled by default.

Joerg, if you would like to resubmit with the behavior conditionalized to be
X86-ELF only, that's fine.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126336 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Grosbach 2011-02-23 21:26:51 +00:00
parent 21451e533f
commit 33b7bebca4
3 changed files with 0 additions and 28 deletions
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18
lib/MC/MCParser/AsmParser.cpp
View File

@ -173,7 +173,6 @@ private:
bool ParsePrimaryExpr(const MCExpr *&Res, SMLoc &EndLoc);
bool ParseBinOpRHS(unsigned Precedence, const MCExpr *&Res, SMLoc &EndLoc);
bool ParseParenExpr(const MCExpr *&Res, SMLoc &EndLoc);
bool ParseBracketExpr(const MCExpr *&Res, SMLoc &EndLoc);
/// ParseIdentifier - Parse an identifier or string (as a quoted identifier)
/// and set \arg Res to the identifier contents.
@ -493,20 +492,6 @@ bool AsmParser::ParseParenExpr(const MCExpr *&Res, SMLoc &EndLoc) {
return false;
}
/// ParseBracketExpr - Parse a bracket expression and return it.
/// NOTE: This assumes the leading '[' has already been consumed.
///
/// bracketexpr ::= expr]
///
bool AsmParser::ParseBracketExpr(const MCExpr *&Res, SMLoc &EndLoc) {
if (ParseExpression(Res)) return true;
if (Lexer.isNot(AsmToken::RBrac))
return TokError("expected ']' in brackets expression");
EndLoc = Lexer.getLoc();
Lex();
return false;
}
/// ParsePrimaryExpr - Parse a primary expression and return it.
/// primaryexpr ::= (parenexpr
/// primaryexpr ::= symbol
@ -602,9 +587,6 @@ bool AsmParser::ParsePrimaryExpr(const MCExpr *&Res, SMLoc &EndLoc) {
case AsmToken::LParen:
Lex(); // Eat the '('.
return ParseParenExpr(Res, EndLoc);
case AsmToken::LBrac:
Lex(); // Eat the '['.
return ParseBracketExpr(Res, EndLoc);
case AsmToken::Minus:
Lex(); // Eat the operator.
if (ParsePrimaryExpr(Res, EndLoc))

2
test/MC/AsmParser/exprs.s
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@ -35,8 +35,6 @@ k:
check_expr 1 << 1, 2
check_expr 2 >> 1, 1
check_expr (~0 >> 1), -1
check_expr [~0 >> 1], -1
check_expr 4 * [4 + (3 + [2 * 2] + 1)], 48
check_expr 3 - 2, 1
check_expr 1 ^ 3, 2
check_expr 1 && 2, 1

8
test/MC/AsmParser/paren.s
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@ -1,8 +0,0 @@
// RUN: not llvm-mc -triple i386-unknown-unknown %s 2> %t1 > %t2
// RUN: FileCheck < %t1 %s
// CHECK: error: expected ']' in brackets expression
.size x, [.-x)
// CHECK: error: expected ')' in parentheses expression
.size y, (.-y]