From: Tim Northover <tnorthover@apple.com>
Date: Wed, 21 Dec 2016 20:49:43 +0000 (+0000)
Subject: ARM: define a macro for the FPv5 FPU in ARM mode.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=b8618b7fcb2c73f5dbb43fffe35f78228c83235b;p=clang

ARM: define a macro for the FPv5 FPU in ARM mode.

FPv5 is in Cortex-M7 and the 64-bit CPUs when running in 32-bit mode. The name
is from the Cortex-M7 TRM.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@290268 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index f887b0556d..dd88646b17 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -5391,6 +5391,8 @@ public:
         Builder.defineMacro("__ARM_VFPV3__");
       if (FPU & VFP4FPU)
         Builder.defineMacro("__ARM_VFPV4__");
+      if (FPU & FPARMV8)
+        Builder.defineMacro("__ARM_FPV5__");
     }
 
     // This only gets set when Neon instructions are actually available, unlike
diff --git a/test/Preprocessor/arm-target-features.c b/test/Preprocessor/arm-target-features.c
index 1a27d5bc50..f45c5ba07f 100644
--- a/test/Preprocessor/arm-target-features.c
+++ b/test/Preprocessor/arm-target-features.c
@@ -389,6 +389,7 @@
 // M7-THUMB:#define __ARM_ARCH_EXT_IDIV__ 1
 // M7-THUMB:#define __ARM_FEATURE_DSP 1
 // M7-THUMB:#define __ARM_FP 0xE
+// M7-THUMB:#define __ARM_FPV5__ 1
 
 // Test whether predefines are as expected when targeting krait.
 // RUN: %clang -target armv7 -mcpu=krait -x c -E -dM %s -o - | FileCheck -match-full-lines --check-prefix=KRAIT %s