From: LLVM Packaging Team <pkg-llvm-team@lists.alioth.debian.org>
Date: Wed, 21 Mar 2018 21:56:33 +0000 (+0000)
Subject: atomic_library_2
X-Git-Tag: archive/raspbian/1%5.0.1-4+rpi1~2^2~37
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=cac4d058a13e8b26a2e942b98d22210fe16becb1;p=llvm-toolchain-5.0.git

atomic_library_2


Gbp-Pq: Name atomic_library_2.diff
---

diff --git a/clang/lib/Basic/Targets.cpp b/clang/lib/Basic/Targets.cpp
index 54ad85c74..883e609e1 100644
--- a/clang/lib/Basic/Targets.cpp
+++ b/clang/lib/Basic/Targets.cpp
@@ -4819,9 +4819,23 @@ protected:
     if (T.getOS() != llvm::Triple::Linux)
      return false;
     StringRef ArchName = T.getArchName();
-    if (ArchName.startswith("armv6") || ArchName.startswith("armv7"))
-      return true;
-    return false;
+    if (T.getArch() == llvm::Triple::arm) {
+      if (!ArchName.startswith("armv"))
+        return false;
+      StringRef VersionStr = ArchName.substr(4);
+      unsigned Version;
+      if (VersionStr.getAsInteger(10, Version))
+        return false;
+      return Version >= 6;
+    }
+    assert(T.getArch() == llvm::Triple::thumb);
+    if (!ArchName.startswith("thumbv"))
+      return false;
+    StringRef VersionStr = ArchName.substr(6);
+    unsigned Version;
+    if (VersionStr.getAsInteger(10, Version))
+      return false;
+    return Version >= 7;
   }
 
 public:
diff --git a/clang/test/CodeGen/linux-arm-atomic.c b/clang/test/CodeGen/linux-arm-atomic.c
index 0e0fa9025..db9709fea 100644
--- a/clang/test/CodeGen/linux-arm-atomic.c
+++ b/clang/test/CodeGen/linux-arm-atomic.c
@@ -1,5 +1,6 @@
 // RUN: %clang_cc1 %s -emit-llvm -o - -triple=armv7-unknown-linux | FileCheck %s
 // RUN: %clang_cc1 %s -emit-llvm -o - -triple=armv6-unknown-linux | FileCheck %s
+// RUN: %clang_cc1 %s -emit-llvm -o - -triple=thumbv7-unknown-linux | FileCheck %s
 
 typedef int _Atomic_word;
 _Atomic_word exchange_and_add(volatile _Atomic_word *__mem, int __val) {