From 6220fea2a877e5cff559ed38e98c59a076ea9825 Mon Sep 17 00:00:00 2001
From: Devang Patel <dpatel@apple.com>
Date: Tue, 17 Jan 2012 21:25:10 +0000
Subject: [PATCH] Intel syntax: Parse "BYTE PTR [RDX + RCX]"

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148334 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/X86/AsmParser/X86AsmParser.cpp | 4 ++++
 test/MC/X86/intel-syntax.s                | 2 ++
 2 files changed, 6 insertions(+)

diff --git a/lib/Target/X86/AsmParser/X86AsmParser.cpp b/lib/Target/X86/AsmParser/X86AsmParser.cpp
index b31993c0f20..75e286625b8 100644
--- a/lib/Target/X86/AsmParser/X86AsmParser.cpp
+++ b/lib/Target/X86/AsmParser/X86AsmParser.cpp
@@ -637,6 +637,10 @@ X86Operand *X86AsmParser::ParseIntelBracExpression(unsigned Size) {
         Disp = isPlus ? ValExpr : MCUnaryExpr::CreateMinus(ValExpr, getContext());
       } else
         return ErrorOperand(PlusLoc, "unexpected token after +");
+    } else if (getLexer().is(AsmToken::Identifier)) {
+      IndexReg = getIntelRegisterOperand(Tok.getString());
+      if (IndexReg)
+	Parser.Lex();
     }
   }
 
diff --git a/test/MC/X86/intel-syntax.s b/test/MC/X86/intel-syntax.s
index 2966dd7822d..42638f26854 100644
--- a/test/MC/X86/intel-syntax.s
+++ b/test/MC/X86/intel-syntax.s
@@ -23,6 +23,8 @@ _main:
 	mov	RCX, QWORD PTR [0]
 // CHECK:	movl	-24(%rsp,%rax,4), %eax	
 	mov	EAX, DWORD PTR [RSP + 4*RAX - 24]
+// CHECK:	movb	%dil, (%rdx,%rcx)
+	mov	BYTE PTR [RDX + RCX], DIL
 // CHECK:	callq	_test
 	call	_test
 	ret