From 70a5cca8e7353e2e3bd16b7e6a47a35695803d5d Mon Sep 17 00:00:00 2001
From: Anton Korobeynikov <asl@math.spbu.ru>
Date: Sat, 8 Sep 2012 08:08:27 +0000
Subject: [PATCH] Provide some ACLE C defines. This should fix PR13796

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163464 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Basic/Targets.cpp | 23 +++++++++++++++++++----
 1 file changed, 19 insertions(+), 4 deletions(-)

diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index fa1948e4bb..1d5ee0c614 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -2988,6 +2988,7 @@ public:
               StringRef(getCPUDefineSuffix(CPU)).startswith("7"))    
         .Default(false);
   }
+  // FIXME: Should we actually have some table instead of these switches?
   static const char *getCPUDefineSuffix(StringRef Name) {
     return llvm::StringSwitch<const char*>(Name)
       .Cases("arm8", "arm810", "4")
@@ -3005,11 +3006,16 @@ public:
       .Cases("arm1136jf-s", "mpcorenovfp", "mpcore", "6K")
       .Cases("arm1156t2-s", "arm1156t2f-s", "6T2")
       .Cases("cortex-a8", "cortex-a9", "7A")
-      .Case("cortex-m3", "7M")
-      .Case("cortex-m4", "7M")
+      .Cases("cortex-m3", "cortex-m4", "7M")
       .Case("cortex-m0", "6M")
       .Default(0);
   }
+  static const char *getCPUProfile(StringRef Name) {
+    return llvm::StringSwitch<const char*>(Name)
+      .Cases("cortex-a8", "cortex-a9", "A")
+      .Cases("cortex-m3", "cortex-m4", "cortex-m0", "M")
+      .Default(0);
+  }
   virtual bool setCPU(const std::string &Name) {
     if (!getCPUDefineSuffix(Name))
       return false;
@@ -3030,7 +3036,11 @@ public:
 
     StringRef CPUArch = getCPUDefineSuffix(CPU);
     Builder.defineMacro("__ARM_ARCH_" + CPUArch + "__");
-
+    Builder.defineMacro("__ARM_ARCH", CPUArch.substr(0, 1));
+    StringRef CPUProfile = getCPUProfile(CPU);
+    if (!CPUProfile.empty())
+      Builder.defineMacro("__ARM_ARCH_PROFILE", CPUProfile);
+    
     // Subtarget options.
 
     // FIXME: It's more complicated than this and we don't really support
@@ -3038,8 +3048,13 @@ public:
     if ('5' <= CPUArch[0] && CPUArch[0] <= '7')
       Builder.defineMacro("__THUMB_INTERWORK__");
 
-    if (ABI == "aapcs" || ABI == "aapcs-linux")
+    if (ABI == "aapcs" || ABI == "aapcs-linux") {
       Builder.defineMacro("__ARM_EABI__");
+      Builder.defineMacro("__ARM_PCS", "1");
+
+      if (!SoftFloat && !SoftFloatABI)
+        Builder.defineMacro("__ARM_PCS_VFP", "1");
+    }
 
     if (SoftFloat)
       Builder.defineMacro("__SOFTFP__");
-- 
2.40.0