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Intel syntax: Do not unncessarily create plus expression for memory operand displacement.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148321 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2012-01-17 19:08:07 +00:00
parent 40bced0306
commit 9a3d293cf3
2 changed files with 3 additions and 2 deletions
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3
lib/Target/X86/AsmParser/X86AsmParser.cpp
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@ -634,8 +634,7 @@ X86Operand *X86AsmParser::ParseIntelBracExpression(unsigned Size) {
Scale = Val; Scale = Val;
} else if (getLexer().is(AsmToken::RBrac)) { } else if (getLexer().is(AsmToken::RBrac)) {
const MCExpr *ValExpr = MCConstantExpr::Create(Val, getContext()); const MCExpr *ValExpr = MCConstantExpr::Create(Val, getContext());
Disp = isPlus ? MCUnaryExpr::CreatePlus(ValExpr, getContext()) : Disp = isPlus ? ValExpr : MCUnaryExpr::CreateMinus(ValExpr, getContext());
MCUnaryExpr::CreateMinus(ValExpr, getContext());
} else } else
return ErrorOperand(PlusLoc, "unexpected token after +"); return ErrorOperand(PlusLoc, "unexpected token after +");
} }

2
test/MC/X86/intel-syntax.s
View File

@ -7,6 +7,8 @@ _test:
_main: _main:
// CHECK: movl $257, -4(%rsp) // CHECK: movl $257, -4(%rsp)
mov DWORD PTR [RSP - 4], 257 mov DWORD PTR [RSP - 4], 257
// CHECK: movl $258, 4(%rsp)
mov DWORD PTR [RSP + 4], 258
// CHECK: movq $123, -16(%rsp) // CHECK: movq $123, -16(%rsp)
mov QWORD PTR [RSP - 16], 123 mov QWORD PTR [RSP - 16], 123
// CHECK: movb $97, -17(%rsp) // CHECK: movb $97, -17(%rsp)