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Basic: use hex string for __ARM_FP macro

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The ARM ACLE describes the values as hex constants rather than numeric
constants; follow suit.  Address post-commit review comments from Jon Roelofs.

llvm-svn: 218009
This commit is contained in:
Saleem Abdulrasool 2014-09-18 02:13:33 +00:00
parent acb35c0272
commit b404cb8e39
2 changed files with 4 additions and 3 deletions
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3
clang/lib/Basic/Targets.cpp
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@ -21,6 +21,7 @@
#include "clang/Basic/TargetOptions.h"
#include "llvm/ADT/APFloat.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/StringSwitch.h"
#include "llvm/ADT/Triple.h"
@ -4055,7 +4056,7 @@ public:
// ACLE 6.5.1 Hardware Floating Point
if (HW_FP)
Builder.defineMacro("__ARM_FP", std::to_string(HW_FP));
Builder.defineMacro("__ARM_FP", "0x" + llvm::utohexstr(HW_FP));
// ACLE predefines.
Builder.defineMacro("__ARM_ACLE", "200");

4
clang/test/Preprocessor/arm-acle-6.5.c
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@ -9,7 +9,7 @@
// RUN: %clang -target arm-eabi -mfpu=vfp3 -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-SP-DP
// RUN: %clang -target armv7-eabi -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-SP-DP
// CHECK-SP-DP: __ARM_FP 12
// CHECK-SP-DP: __ARM_FP 0xC
// RUN: %clang -target arm-eabi -mfpu=vfpv4 -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-SP-DP-HP
// RUN: %clang -target arm-eabi -mfpu=vfpv4-d16 -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-SP-DP-HP
@ -18,5 +18,5 @@
// RUN: %clang -target arm-eabi -mfpu=crypto-neon-fp-armv8 -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-SP-DP-HP
// RUN: %clang -target armv8-eabi -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-SP-DP-HP
// CHECK-SP-DP-HP: __ARM_FP 14
// CHECK-SP-DP-HP: __ARM_FP 0xE