From: Jiangning Liu <jiangning.liu@arm.com>
Date: Fri, 14 Feb 2014 04:37:46 +0000 (+0000)
Subject: Enable AArch64 NEON by default.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=03f294995fb7159eef5be5067dcd1b21a2f78da8;p=clang

Enable AArch64 NEON by default.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@201384 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index 083bc48d69..c48c061252 100644
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -1441,6 +1441,8 @@ static void getAArch64TargetFeatures(const Driver &D, const ArgList &Args,
   // Honor -mfpu=.
   if (const Arg *A = Args.getLastArg(options::OPT_mfpu_EQ))
     getAArch64FPUFeatures(D, A, Args, Features);
+  else
+    Features.push_back("+neon");
 
   if (Args.getLastArg(options::OPT_mgeneral_regs_only)) {
     Features.push_back("-fp-armv8");
diff --git a/test/Driver/aarch64-mfpu.c b/test/Driver/aarch64-mfpu.c
index b62a2e797c..2e55c7fc29 100644
--- a/test/Driver/aarch64-mfpu.c
+++ b/test/Driver/aarch64-mfpu.c
@@ -2,6 +2,8 @@
 
 // RUN: %clang -target aarch64-linux-eabi -mfpu=neon %s -### -o %t.o 2>&1 \
 // RUN:   | FileCheck --check-prefix=CHECK-NEON %s
+// RUN: %clang -target aarch64-linux-eabi %s -### -o %t.o 2>&1 \
+// RUN:   | FileCheck --check-prefix=CHECK-NEON %s
 // CHECK-NEON: "-target-feature" "+neon"
 
 // RUN: %clang -target aarch64-linux-eabi -mfpu=fp-armv8 %s -### -o %t.o 2>&1 \
diff --git a/test/Preprocessor/aarch64-target-features.c b/test/Preprocessor/aarch64-target-features.c
index 9978f91e26..e487667ca5 100644
--- a/test/Preprocessor/aarch64-target-features.c
+++ b/test/Preprocessor/aarch64-target-features.c
@@ -17,8 +17,8 @@
 // CHECK: __ARM_FP16_FORMAT_IEEE 1
 // CHECK-NOT: __ARM_FP_FAST 1
 // CHECK: __ARM_FP_FENV_ROUNDING 1
-// CHECK-NOT: __ARM_NEON 1
-// CHECK-NOT: __ARM_NEON_FP 7
+// CHECK: __ARM_NEON 1
+// CHECK: __ARM_NEON_FP 7
 // CHECK: __ARM_PCS_AAPCS64 1
 // CHECK-NOT: __ARM_SIZEOF_MINIMAL_ENUM 1
 // CHECK-NOT: __ARM_SIZEOF_WCHAR_T 2