From 33e67ad098e3e3cb5e2565decaaac85123d7f004 Mon Sep 17 00:00:00 2001
From: Krzysztof Parzyszek <kparzysz@codeaurora.org>
Date: Fri, 21 Jul 2017 18:07:15 +0000
Subject: [Hexagon] Add inline-asm constraint 'a' for modifier register class

For example
  asm ("memw(%0++%1) = %2" : : "r"(addr),"a"(mod),"r"(val) : "memory")

llvm-svn: 308763
---
 clang/lib/Basic/Targets.cpp | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'clang/lib/Basic/Targets.cpp')

diff --git a/clang/lib/Basic/Targets.cpp b/clang/lib/Basic/Targets.cpp
index 01137b66b38..d488ed1dbd7 100644
--- a/clang/lib/Basic/Targets.cpp
+++ b/clang/lib/Basic/Targets.cpp
@@ -6887,6 +6887,9 @@ public:
           return true;
         }
         break;
+      case 'a': // Modifier register m0-m1.
+        Info.setAllowsRegister();
+        return true;
       case 's':
         // Relocatable constant.
         return true;
-- 
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