Fix -mfpu parsing on ARM.
- Support gcc-compatible vfpv3 name in addition to vfp3.
- Support vfpv3-d16.
- Disable neon feature for -mfpu=vfp* (yes, we were emitting Neon instructions
for those!).
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147943 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index 8ec9f1c..f3d5550 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -2658,7 +2658,7 @@
const std::string &Name,
bool Enabled) const {
if (Name == "soft-float" || Name == "soft-float-abi" ||
- Name == "vfp2" || Name == "vfp3" || Name == "neon") {
+ Name == "vfp2" || Name == "vfp3" || Name == "neon" || Name == "d16") {
Features[Name] = Enabled;
} else
return false;
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index a241712..1edc441 100644
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -660,12 +660,23 @@
CmdArgs.push_back("-vfp3");
CmdArgs.push_back("-target-feature");
CmdArgs.push_back("-neon");
+ } else if (FPU == "vfp3-d16" || FPU == "vfpv3-d16") {
+ CmdArgs.push_back("-target-feature");
+ CmdArgs.push_back("+vfp3");
+ CmdArgs.push_back("-target-feature");
+ CmdArgs.push_back("+d16");
+ CmdArgs.push_back("-target-feature");
+ CmdArgs.push_back("-neon");
} else if (FPU == "vfp") {
CmdArgs.push_back("-target-feature");
CmdArgs.push_back("+vfp2");
- } else if (FPU == "vfp3") {
+ CmdArgs.push_back("-target-feature");
+ CmdArgs.push_back("-neon");
+ } else if (FPU == "vfp3" || FPU == "vfpv3") {
CmdArgs.push_back("-target-feature");
CmdArgs.push_back("+vfp3");
+ CmdArgs.push_back("-target-feature");
+ CmdArgs.push_back("-neon");
} else if (FPU == "neon") {
CmdArgs.push_back("-target-feature");
CmdArgs.push_back("+neon");
diff --git a/test/Driver/arm-mfpu.c b/test/Driver/arm-mfpu.c
new file mode 100644
index 0000000..41c6757
--- /dev/null
+++ b/test/Driver/arm-mfpu.c
@@ -0,0 +1,36 @@
+// RUN: %clang -ccc-host-triple arm-linux-eabi -mfpu=fpa %s -### -o %t.o 2>&1 \
+// RUN: | FileCheck --check-prefix=CHECK-FPA %s
+// RUN: %clang -ccc-host-triple arm-linux-eabi -mfpu=fpe2 %s -### -o %t.o 2>&1 \
+// RUN: | FileCheck --check-prefix=CHECK-FPA %s
+// RUN: %clang -ccc-host-triple arm-linux-eabi -mfpu=fpe3 %s -### -o %t.o 2>&1 \
+// RUN: | FileCheck --check-prefix=CHECK-FPA %s
+// RUN: %clang -ccc-host-triple arm-linux-eabi -mfpu=maverick %s -### -o %t.o 2>&1 \
+// RUN: | FileCheck --check-prefix=CHECK-FPA %s
+// CHECK-FPA: "-target-feature" "-vfp2"
+// CHECK-FPA: "-target-feature" "-vfp3"
+// CHECK-FPA: "-target-feature" "-neon"
+
+// RUN: %clang -ccc-host-triple arm-linux-eabi -mfpu=vfp3-d16 %s -### -o %t.o 2>&1 \
+// RUN: | FileCheck --check-prefix=CHECK-VFP3-D16 %s
+// RUN: %clang -ccc-host-triple arm-linux-eabi -mfpu=vfpv3-d16 %s -### -o %t.o 2>&1 \
+// RUN: | FileCheck --check-prefix=CHECK-VFP3-D16 %s
+// CHECK-VFP3-D16: "-target-feature" "+vfp3"
+// CHECK-VFP3-D16: "-target-feature" "+d16"
+// CHECK-VFP3-D16: "-target-feature" "-neon"
+
+// RUN: %clang -ccc-host-triple arm-linux-eabi -mfpu=vfp %s -### -o %t.o 2>&1 \
+// RUN: | FileCheck --check-prefix=CHECK-VFP %s
+// CHECK-VFP: "-target-feature" "+vfp2"
+// CHECK-VFP: "-target-feature" "-neon"
+
+// RUN: %clang -ccc-host-triple arm-linux-eabi -mfpu=vfp3 %s -### -o %t.o 2>&1 \
+// RUN: | FileCheck --check-prefix=CHECK-VFP3 %s
+// RUN: %clang -ccc-host-triple arm-linux-eabi -mfpu=vfpv3 %s -### -o %t.o 2>&1 \
+// RUN: | FileCheck --check-prefix=CHECK-VFP3 %s
+// CHECK-VFP3: "-target-feature" "+vfp3"
+// CHECK-VFP3: "-target-feature" "-neon"
+
+// RUN: %clang -ccc-host-triple arm-linux-eabi -mfpu=neon %s -### -o %t.o 2>&1 \
+// RUN: | FileCheck --check-prefix=CHECK-NEON %s
+// CHECK-NEON: "-target-feature" "+neon"
+
