From: Artyom Skrobov <Artyom.Skrobov@arm.com>
Date: Thu, 21 Nov 2013 14:04:38 +0000 (+0000)
Subject: [ARM] add basic support for Cortex-A7 and VFPv4 to Clang
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=ddc8047cd52693fbce6769ff5fbc77f16ae0f215;p=clang

[ARM] add basic support for Cortex-A7 and VFPv4 to Clang

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@195359 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index 1d86e3f6d6..d6a50168a8 100644
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -654,16 +654,23 @@ static void getARMFPUFeatures(const Driver &D, const Arg *A,
     Features.push_back("-vfp2");
     Features.push_back("-vfp3");
     Features.push_back("-neon");
+  } else if (FPU == "vfp") {
+    Features.push_back("+vfp2");
+    Features.push_back("-neon");
   } else if (FPU == "vfp3-d16" || FPU == "vfpv3-d16") {
     Features.push_back("+vfp3");
     Features.push_back("+d16");
     Features.push_back("-neon");
-  } else if (FPU == "vfp") {
-    Features.push_back("+vfp2");
-    Features.push_back("-neon");
   } else if (FPU == "vfp3" || FPU == "vfpv3") {
     Features.push_back("+vfp3");
     Features.push_back("-neon");
+  } else if (FPU == "vfp4-d16" || FPU == "vfpv4-d16") {
+    Features.push_back("+vfp4");
+    Features.push_back("+d16");
+    Features.push_back("-neon");
+  } else if (FPU == "vfp4" || FPU == "vfpv4") {
+    Features.push_back("+vfp4");
+    Features.push_back("-neon");
   } else if (FPU == "fp-armv8") {
     Features.push_back("+fp-armv8");
     Features.push_back("-neon");
diff --git a/test/Driver/arm-mfpu.c b/test/Driver/arm-mfpu.c
index 765b298215..7e61195080 100644
--- a/test/Driver/arm-mfpu.c
+++ b/test/Driver/arm-mfpu.c
@@ -39,6 +39,22 @@
 // CHECK-VFP3: "-target-feature" "+vfp3"
 // CHECK-VFP3: "-target-feature" "-neon"
 
+// RUN: %clang -target arm-linux-eabi -mfpu=vfp4 %s -### -o %t.o 2>&1 \
+// RUN:   | FileCheck --check-prefix=CHECK-VFP4 %s
+// RUN: %clang -target arm-linux-eabi -mfpu=vfpv4 %s -### -o %t.o 2>&1 \
+// RUN:   | FileCheck --check-prefix=CHECK-VFP4 %s
+// CHECK-VFP4: "-target-feature" "+vfp4"
+// CHECK-VFP4: "-target-feature" "-neon"
+
+// RUN: %clang -target arm-linux-eabi -mfpu=vfp4-d16 %s -### -o %t.o 2>&1 \
+// RUN:   | FileCheck --check-prefix=CHECK-VFP4-D16 %s
+// RUN: %clang -target arm-linux-eabi -mfpu=vfpv4-d16 %s -### -o %t.o 2>&1 \
+// RUN:   | FileCheck --check-prefix=CHECK-VFP4-D16 %s
+// CHECK-VFP4-D16: "-target-feature" "+vfp4"
+// CHECK-VFP4-D16: "-target-feature" "+d16"
+// CHECK-VFP4-D16: "-target-feature" "-neon"
+
+
 // RUN: %clang -target arm-linux-eabi -mfpu=neon %s -### -o %t.o 2>&1 \
 // RUN:   | FileCheck --check-prefix=CHECK-NEON %s
 // CHECK-NEON: "-target-feature" "+neon"
diff --git a/test/Preprocessor/arm-target-features.c b/test/Preprocessor/arm-target-features.c
index ae93a3da7c..80e59de9a3 100644
--- a/test/Preprocessor/arm-target-features.c
+++ b/test/Preprocessor/arm-target-features.c
@@ -94,6 +94,23 @@
 // RUN: %clang -target arm -mthumb -mcpu=cortex-a15 -mhwdiv=none -x c -E -dM %s -o - | FileCheck --check-prefix=DEFAULTHWDIV-NONEHWDIV-THUMB %s
 // DEFAULTHWDIV-NONEHWDIV-THUMB-NOT:#define __ARM_ARCH_EXT_IDIV__
 
+
+// Check that -mfpu works properly for Cortex-A7 (enabled by default).
+// RUN: %clang -target armv7-none-linux-gnueabi -mcpu=cortex-a7 -x c -E -dM %s -o - | FileCheck --check-prefix=DEFAULTFPU-A7 %s
+// RUN: %clang -target armv7-none-linux-gnueabi -mthumb -mcpu=cortex-a7 -x c -E -dM %s -o - | FileCheck --check-prefix=DEFAULTFPU-A7 %s
+// DEFAULTFPU-A7:#define __ARM_NEON__ 1
+// DEFAULTFPU-A7:#define __ARM_VFPV4__ 1
+
+// RUN: %clang -target armv7-none-linux-gnueabi -mcpu=cortex-a7 -mfpu=none -x c -E -dM %s -o - | FileCheck --check-prefix=FPUNONE-A7 %s
+// RUN: %clang -target armv7-none-linux-gnueabi -mthumb -mcpu=cortex-a7 -mfpu=none -x c -E -dM %s -o - | FileCheck --check-prefix=FPUNONE-A7 %s
+// FPUNONE-A7-NOT:#define __ARM_NEON__ 1
+// FPUNONE-A7-NOT:#define __ARM_VFPV4__ 1
+
+// RUN: %clang -target armv7-none-linux-gnueabi -mcpu=cortex-a7 -mfpu=vfp4 -x c -E -dM %s -o - | FileCheck --check-prefix=NONEON-A7 %s
+// RUN: %clang -target armv7-none-linux-gnueabi -mthumb -mcpu=cortex-a7 -mfpu=vfp4 -x c -E -dM %s -o - | FileCheck --check-prefix=NONEON-A7 %s
+// NONEON-A7-NOT:#define __ARM_NEON__ 1
+// NONEON-A7:#define __ARM_VFPV4__ 1
+
 // FIXME: add check for further predefines
 // Test whether predefines are as expected when targeting cortex-a5.
 // RUN: %clang -target armv7 -mcpu=cortex-a5 -x c -E -dM %s -o - | FileCheck --check-prefix=A5-ARM %s
@@ -102,6 +119,14 @@
 // RUN: %clang -target armv7 -mthumb -mcpu=cortex-a5 -x c -E -dM %s -o - | FileCheck --check-prefix=A5-THUMB %s
 // A5-THUMB-NOT:#define __ARM_ARCH_EXT_IDIV__
 
+// Test whether predefines are as expected when targeting cortex-a7.
+// RUN: %clang -target armv7 -mcpu=cortex-a7 -x c -E -dM %s -o - | FileCheck --check-prefix=A7 %s
+// RUN: %clang -target armv7 -mthumb -mcpu=cortex-a7 -x c -E -dM %s -o - | FileCheck --check-prefix=A7 %s
+// A7:#define __ARM_ARCH 7
+// A7:#define __ARM_ARCH_7A__ 1
+// A7:#define __ARM_ARCH_EXT_IDIV__ 1
+// A7:#define __ARM_ARCH_PROFILE A
+
 // Test whether predefines are as expected when targeting cortex-a8.
 // RUN: %clang -target armv7 -mcpu=cortex-a8 -x c -E -dM %s -o - | FileCheck --check-prefix=A8-ARM %s
 // A8-ARM-NOT:#define __ARM_ARCH_EXT_IDIV__