From: Devang Patel <dpatel@apple.com>
Date: Thu, 19 Jan 2012 18:15:51 +0000 (+0000)
Subject: Intel syntax: There is no need to create unary expr for simple negative displacement.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=e60540f380cc9466f3b2f7d17adfd37db137689c;p=oota-llvm.git

Intel syntax: There is no need to create unary expr for simple negative displacement.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148486 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/X86/AsmParser/X86AsmParser.cpp b/lib/Target/X86/AsmParser/X86AsmParser.cpp
index 5fc38d39d91..1763419408d 100644
--- a/lib/Target/X86/AsmParser/X86AsmParser.cpp
+++ b/lib/Target/X86/AsmParser/X86AsmParser.cpp
@@ -651,7 +651,7 @@ X86Operand *X86AsmParser::ParseIntelBracExpression(unsigned Size) {
         Scale = Val;
       } else if (getLexer().is(AsmToken::RBrac)) {
         const MCExpr *ValExpr = MCConstantExpr::Create(Val, getContext());
-        Disp = isPlus ? ValExpr : MCUnaryExpr::CreateMinus(ValExpr, getContext());
+        Disp = isPlus ? ValExpr : MCConstantExpr::Create(0-Val, getContext());
       } else
         return ErrorOperand(PlusLoc, "unexpected token after +");
     } else if (getLexer().is(AsmToken::Identifier)) {
diff --git a/test/MC/X86/intel-syntax-encoding.s b/test/MC/X86/intel-syntax-encoding.s
index 0d1b2fa9932..23eff016910 100644
--- a/test/MC/X86/intel-syntax-encoding.s
+++ b/test/MC/X86/intel-syntax-encoding.s
@@ -20,3 +20,7 @@
 	cmp	eax, 12
 // CHECK: encoding: [0x48,0x83,0xf8,0x0c]
 	cmp	rax, 12
+
+// CHECK: encoding: [0x48,0x89,0x44,0x24,0xf0]	
+	mov	QWORD PTR [RSP - 16], RAX
+