commit 46667afccd9404d01b776076c2f63dece045bf55
author John Thompson <John.Thompson.JTSoftware@gmail.com> Wed Aug 11 00:58:20 2010 +0000
committer John Thompson <John.Thompson.JTSoftware@gmail.com> Wed Aug 11 00:58:20 2010 +0000
tree f6f203d49206a23eec5687a6eeca43369881003a
parent 945f64ebac5d957c2c26b0e572ebc45092621208

Fix for pr7869, inline asm mult-alt constraints.

llvm-svn: 110764

clang/lib/Basic/TargetInfo.cpp

diff --git a/clang/lib/Basic/TargetInfo.cpp b/clang/lib/Basic/TargetInfo.cpp
index 05db02a..e46992a 100644
--- a/clang/lib/Basic/TargetInfo.cpp
+++ b/clang/lib/Basic/TargetInfo.cpp
@@ -289,11 +289,9 @@
       break;
     case ',': // multiple alternative constraint.  Pass it.
       Name++;
-      // An output constraint must start with '=' or '+'
-      if (*Name != '=' && *Name != '+')
-        return false;
-      if (*Name == '+')
-        Info.setIsReadWrite();
+      // Handle additional optional '=' or '+' modifiers.
+      if (*Name == '=' || *Name == '+')
+        Name++;
       break;
     case '?': // Disparage slightly code.
     case '!': // Disparage severly.