Add FreeBSD ARM EABI hard-float support

Patch by Andrew Turner.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@201662 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Driver/ToolChains.cpp b/lib/Driver/ToolChains.cpp
index 3784ee7351669a9a81ee5b672e0c5b58cefe9314..8d17ab10f2ee4914b16daaf1836fc37e257f36aa 100644 (file)
--- a/lib/Driver/ToolChains.cpp
+++ b/lib/Driver/ToolChains.cpp
@@ -2428,6 +2428,7 @@ Tool *FreeBSD::buildLinker() const {
 bool FreeBSD::UseSjLjExceptions() const {
   // FreeBSD uses SjLj exceptions on ARM oabi.
   switch (getTriple().getEnvironment()) {
+  case llvm::Triple::GNUEABIHF:
   case llvm::Triple::GNUEABI:
   case llvm::Triple::EABI:
     return false;

diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index d1e58bac01426114e7a2267c5d049034ae5cddac..25dc5c5ea831e2301de017ecaf712823b16f58d1 100644 (file)
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -639,8 +639,15 @@ StringRef tools::arm::getARMFloatABI(const Driver &D, const ArgList &Args,
     }
 
     case llvm::Triple::FreeBSD:
-      // FreeBSD defaults to soft float
-      FloatABI = "soft";
+      switch(Triple.getEnvironment()) {
+      case llvm::Triple::GNUEABIHF:
+        FloatABI = "hard";
+        break;
+      default:
+        // FreeBSD defaults to soft float
+        FloatABI = "soft";
+        break;
+      }
       break;
 
     default:
@@ -5913,8 +5920,18 @@ void freebsd::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
     }
   } else if (getToolChain().getArch() == llvm::Triple::arm ||
              getToolChain().getArch() == llvm::Triple::thumb) {
-    CmdArgs.push_back("-mfpu=softvfp");
+    const Driver &D = getToolChain().getDriver();
+    llvm::Triple Triple = getToolChain().getTriple();
+    StringRef FloatABI = arm::getARMFloatABI(D, Args, Triple);
+
+    if (FloatABI == "hard") {
+      CmdArgs.push_back("-mfpu=vfp");
+    } else {
+      CmdArgs.push_back("-mfpu=softvfp");
+    }
+
     switch(getToolChain().getTriple().getEnvironment()) {
+    case llvm::Triple::GNUEABIHF:
     case llvm::Triple::GNUEABI:
     case llvm::Triple::EABI:
       CmdArgs.push_back("-meabi=5");

diff --git a/test/Driver/freebsd.c b/test/Driver/freebsd.c
index baacb93e4c3c4ca533f28e52d266c955eae6e401..c2f14add36aa964d7e1430ea3b72bb213be7db2f 100644 (file)
--- a/test/Driver/freebsd.c
+++ b/test/Driver/freebsd.c
@@ -101,13 +101,22 @@
 // RUN:   | FileCheck --check-prefix=CHECK-ARM %s
 // CHECK-ARM: clang{{.*}}" "-cc1"{{.*}}" "-fsjlj-exceptions"
 // CHECK-ARM: as{{.*}}" "-mfpu=softvfp"{{.*}}"-matpcs"
+// CHECK-ARM-EABI-NOT: as{{.*}}" "-mfpu=vfp"
 
 // RUN: %clang %s -### -o %t.o -target arm-gnueabi-freebsd10.0 -no-integrated-as 2>&1 \
 // RUN:   | FileCheck --check-prefix=CHECK-ARM-EABI %s
 // CHECK-ARM-EABI-NOT: clang{{.*}}" "-cc1"{{.*}}" "-fsjlj-exceptions"
 // CHECK-ARM-EABI: as{{.*}}" "-mfpu=softvfp" "-meabi=5"
+// CHECK-ARM-EABI-NOT: as{{.*}}" "-mfpu=vfp"
 // CHECK-ARM-EABI-NOT: as{{.*}}" "-matpcs"
 
+// RUN: %clang %s -### -o %t.o -target arm-gnueabihf-freebsd10.0 -no-integrated-as 2>&1 \
+// RUN:   | FileCheck --check-prefix=CHECK-ARM-EABIHF %s
+// CHECK-ARM-EABIHF-NOT: clang{{.*}}" "-cc1"{{.*}}" "-fsjlj-exceptions"
+// CHECK-ARM-EABIHF: as{{.*}}" "-mfpu=vfp" "-meabi=5"
+// CHECK-ARM-EABIHF-NOT: as{{.*}}" "-mfpu=softvfp"
+// CHECK-ARM-EABIHF-NOT: as{{.*}}" "-matpcs"
+
 // RUN: %clang -target x86_64-pc-freebsd8 %s -### -flto -o %t.o 2>&1 \
 // RUN:   | FileCheck --check-prefix=CHECK-LTO %s
 // CHECK-LTO: ld{{.*}}" "-plugin{{.*}}LLVMgold.so