Make __LITTLE_ENDIAN__/__BIG_ENDOAN__ common PredefinedMacros

llvm-svn: 203455

clang/lib/Basic/Targets.cpp

@@ -939,12 +939,10 @@ void PPCTargetInfo::getTargetDefines(const LangOptions &Opts,
   // Target properties.
   if (getTriple().getArch() == llvm::Triple::ppc64le) {
     Builder.defineMacro("_LITTLE_ENDIAN");
-    Builder.defineMacro("__LITTLE_ENDIAN__");
   } else {
     if (getTriple().getOS() != llvm::Triple::NetBSD &&
         getTriple().getOS() != llvm::Triple::OpenBSD)
       Builder.defineMacro("_BIG_ENDIAN");
-    Builder.defineMacro("__BIG_ENDIAN__");
   }
 
   // Subtarget options.
@@ -2678,7 +2676,6 @@ void X86TargetInfo::getTargetDefines(const LangOptions &Opts,
   }
 
   // Target properties.
-  Builder.defineMacro("__LITTLE_ENDIAN__");
   Builder.defineMacro("__REGISTER_PREFIX__", "");
 
   // Define __NO_MATH_INLINES on linux/x86 so that we don't get inline
@@ -3447,13 +3444,6 @@ public:
     if (BigEndian)
       Builder.defineMacro("__AARCH_BIG_ENDIAN");
 
-    if (getTriple().getOS() == llvm::Triple::NetBSD) {
-      if (BigEndian)
-        Builder.defineMacro("__BIG_ENDIAN__");
-      else
-        Builder.defineMacro("__LITTLE_ENDIAN__");
-    }
-
     if (FPU == NeonMode) {
       Builder.defineMacro("__ARM_NEON");
       // 64-bit NEON supports half, single and double precision operations.
@@ -4029,7 +4019,6 @@ public:
 
     // Target properties.
     Builder.defineMacro("__ARMEL__");
-    Builder.defineMacro("__LITTLE_ENDIAN__");
     Builder.defineMacro("__REGISTER_PREFIX__", "");
 
     StringRef CPUArch = getCPUDefineSuffix(CPU);
@@ -5448,7 +5437,6 @@ public:
   }
   virtual void getTargetDefines(const LangOptions &Opts,
                                 MacroBuilder &Builder) const {
-    Builder.defineMacro("__LITTLE_ENDIAN__");
     getArchDefines(Opts, Builder);
   }
   virtual bool hasFeature(StringRef Feature) const {

clang/lib/Frontend/InitPreprocessor.cpp

@@ -541,11 +541,13 @@ static void InitializePredefinedMacros(const TargetInfo &TI,
   Builder.defineMacro("__ORDER_LITTLE_ENDIAN__", "1234");
   Builder.defineMacro("__ORDER_BIG_ENDIAN__",    "4321");
   Builder.defineMacro("__ORDER_PDP_ENDIAN__",    "3412");
-  if (TI.isBigEndian())
+  if (TI.isBigEndian()) {
     Builder.defineMacro("__BYTE_ORDER__", "__ORDER_BIG_ENDIAN__");
-  else
+    Builder.defineMacro("__BIG_ENDIAN__");
+  } else {
     Builder.defineMacro("__BYTE_ORDER__", "__ORDER_LITTLE_ENDIAN__");
-
+    Builder.defineMacro("__LITTLE_ENDIAN__");
+  }
 
   if (TI.getPointerWidth(0) == 64 && TI.getLongWidth() == 64
       && TI.getIntWidth() == 32) {

clang/test/Preprocessor/init.c

@@ -1084,6 +1084,7 @@
 // MIPS32BE:#define _MIPS_SZINT 32
 // MIPS32BE:#define _MIPS_SZLONG 32
 // MIPS32BE:#define _MIPS_SZPTR 32
+// MIPS32BE:#define __BIG_ENDIAN__ 1
 // MIPS32BE:#define __BYTE_ORDER__ __ORDER_BIG_ENDIAN__
 // MIPS32BE:#define __CHAR16_TYPE__ unsigned short
 // MIPS32BE:#define __CHAR32_TYPE__ unsigned int
@@ -1261,6 +1262,7 @@
 // MIPS32EL:#define __LDBL_MIN_10_EXP__ (-307)
 // MIPS32EL:#define __LDBL_MIN_EXP__ (-1021)
 // MIPS32EL:#define __LDBL_MIN__ 2.2250738585072014e-308L
+// MIPS32EL:#define __LITTLE_ENDIAN__ 1
 // MIPS32EL:#define __LONG_LONG_MAX__ 9223372036854775807LL
 // MIPS32EL:#define __LONG_MAX__ 2147483647L
 // MIPS32EL-NOT:#define __LP64__
@@ -1319,6 +1321,7 @@
 // MIPS64BE:#define _MIPS_SZINT 32
 // MIPS64BE:#define _MIPS_SZLONG 64
 // MIPS64BE:#define _MIPS_SZPTR 64
+// MIPS64BE:#define __BIG_ENDIAN__ 1
 // MIPS64BE:#define __BYTE_ORDER__ __ORDER_BIG_ENDIAN__
 // MIPS64BE:#define __CHAR16_TYPE__ unsigned short
 // MIPS64BE:#define __CHAR32_TYPE__ unsigned int
@@ -1495,6 +1498,7 @@
 // MIPS64EL:#define __LDBL_MIN_10_EXP__ (-4931)
 // MIPS64EL:#define __LDBL_MIN_EXP__ (-16381)
 // MIPS64EL:#define __LDBL_MIN__ 3.36210314311209350626267781732175260e-4932L
+// MIPS64EL:#define __LITTLE_ENDIAN__ 1
 // MIPS64EL:#define __LONG_LONG_MAX__ 9223372036854775807LL
 // MIPS64EL:#define __LONG_MAX__ 9223372036854775807L
 // MIPS64EL:#define __LP64__ 1
@@ -1746,6 +1750,7 @@
 // MSP430:#define __LDBL_MIN_10_EXP__ (-307)
 // MSP430:#define __LDBL_MIN_EXP__ (-1021)
 // MSP430:#define __LDBL_MIN__ 2.2250738585072014e-308L
+// MSP430:#define __LITTLE_ENDIAN__ 1
 // MSP430:#define __LONG_LONG_MAX__ 9223372036854775807LL
 // MSP430:#define __LONG_MAX__ 2147483647L
 // MSP430-NOT:#define __LP64__
@@ -1842,6 +1847,7 @@
 // NVPTX32:#define __LDBL_MIN_10_EXP__ (-307)
 // NVPTX32:#define __LDBL_MIN_EXP__ (-1021)
 // NVPTX32:#define __LDBL_MIN__ 2.2250738585072014e-308L
+// NVPTX32:#define __LITTLE_ENDIAN__ 1
 // NVPTX32:#define __LONG_LONG_MAX__ 9223372036854775807LL
 // NVPTX32:#define __LONG_MAX__ 9223372036854775807L
 // NVPTX32-NOT:#define __LP64__
@@ -1939,6 +1945,7 @@
 // NVPTX64:#define __LDBL_MIN_10_EXP__ (-307)
 // NVPTX64:#define __LDBL_MIN_EXP__ (-1021)
 // NVPTX64:#define __LDBL_MIN__ 2.2250738585072014e-308L
+// NVPTX64:#define __LITTLE_ENDIAN__ 1
 // NVPTX64:#define __LONG_LONG_MAX__ 9223372036854775807LL
 // NVPTX64:#define __LONG_MAX__ 9223372036854775807L
 // NVPTX64:#define __LP64__ 1
@@ -2979,6 +2986,7 @@
 // RUN: %clang_cc1 -E -dM -ffreestanding -triple=sparc-none-none < /dev/null | FileCheck -check-prefix SPARC %s
 //
 // SPARC-NOT:#define _LP64
+// SPARC:#define __BIG_ENDIAN__ 1
 // SPARC:#define __BYTE_ORDER__ __ORDER_BIG_ENDIAN__
 // SPARC:#define __CHAR16_TYPE__ unsigned short
 // SPARC:#define __CHAR32_TYPE__ unsigned int
@@ -3077,6 +3085,7 @@
 // RUN: %clang_cc1 -E -dM -ffreestanding -triple=tce-none-none < /dev/null | FileCheck -check-prefix TCE %s
 //
 // TCE-NOT:#define _LP64
+// TCE:#define __BIG_ENDIAN__ 1
 // TCE:#define __BYTE_ORDER__ __ORDER_BIG_ENDIAN__
 // TCE:#define __CHAR16_TYPE__ unsigned short
 // TCE:#define __CHAR32_TYPE__ unsigned int
@@ -3524,4 +3533,6 @@
 // PPC64-FREEBSD-NOT: #define __LONG_DOUBLE_128__ 1
 //
 // RUN: %clang_cc1 -E -dM -ffreestanding -triple=xcore-none-none < /dev/null | FileCheck -check-prefix XCORE %s
+// XCORE:#define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__
+// XCORE:#define __LITTLE_ENDIAN__ 1
 // XCORE:#define __XS1B__ 1