r230207 - Add C11 *_DECIMAL_DIG.

Ed Schouten ed at 80386.nl
Mon Feb 23 01:12:32 PST 2015 

Author: ed
Date: Mon Feb 23 03:12:31 2015
New Revision: 230207

URL: http://llvm.org/viewvc/llvm-project?rev=230207&view=rev
Log:
Add C11 *_DECIMAL_DIG.

Before C11 there was only the DECIMAL_DIG definition. As of C11, we now
have one definition per floating point type (e.g. DBL_DECIMAL_DIG).
Change the existing code to define the new versions. To remain backward
compatible, define __DECIMAL_DIG__ as __LDBL_DECIMAL_DIG__.

Also update the tests. It seems that some of the existing test vectors
were incorrect. Change all tests for __DECIMAL_DIG__ to expect
__LDBL_DECIMAL_DIG__. Add tests for *_DECIMAL_DIG for FreeBSD/amd64, as
I happen to have such a system laying around. I've validated that the
values are in sync with <float.h>.

Modified:
    cfe/trunk/lib/Frontend/InitPreprocessor.cpp
    cfe/trunk/test/Preprocessor/init.c

Modified: cfe/trunk/lib/Frontend/InitPreprocessor.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Frontend/InitPreprocessor.cpp?rev=230207&r1=230206&r2=230207&view=diff
==============================================================================
--- cfe/trunk/lib/Frontend/InitPreprocessor.cpp (original)
+++ cfe/trunk/lib/Frontend/InitPreprocessor.cpp Mon Feb 23 03:12:31 2015
@@ -133,6 +133,7 @@ static void DefineFloatMacros(MacroBuild
                      "4.94065645841246544176568792868221e-324",
                      "6.47517511943802511092443895822764655e-4966");
   int Digits = PickFP(Sem, 6, 15, 18, 31, 33);
+  int DecimalDigits = PickFP(Sem, 9, 17, 21, 33, 36);
   Epsilon = PickFP(Sem, "1.19209290e-7", "2.2204460492503131e-16",
                    "1.08420217248550443401e-19",
                    "4.94065645841246544176568792868221e-324",
@@ -159,6 +160,7 @@ static void DefineFloatMacros(MacroBuild
   Builder.defineMacro(DefPrefix + "DENORM_MIN__", Twine(DenormMin)+Ext);
   Builder.defineMacro(DefPrefix + "HAS_DENORM__");
   Builder.defineMacro(DefPrefix + "DIG__", Twine(Digits));
+  Builder.defineMacro(DefPrefix + "DECIMAL_DIG__", Twine(DecimalDigits));
   Builder.defineMacro(DefPrefix + "EPSILON__", Twine(Epsilon)+Ext);
   Builder.defineMacro(DefPrefix + "HAS_INFINITY__");
   Builder.defineMacro(DefPrefix + "HAS_QUIET_NAN__");
@@ -835,8 +837,7 @@ static void InitializePredefinedMacros(c
   // Macros to control C99 numerics and <float.h>
   Builder.defineMacro("__FLT_EVAL_METHOD__", Twine(TI.getFloatEvalMethod()));
   Builder.defineMacro("__FLT_RADIX__", "2");
-  int Dig = PickFP(&TI.getLongDoubleFormat(), -1/*FIXME*/, 17, 21, 33, 36);
-  Builder.defineMacro("__DECIMAL_DIG__", Twine(Dig));
+  Builder.defineMacro("__DECIMAL_DIG__", "__LDBL_DECIMAL_DIG__");
 
   if (LangOpts.getStackProtector() == LangOptions::SSPOn)
     Builder.defineMacro("__SSP__");

Modified: cfe/trunk/test/Preprocessor/init.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Preprocessor/init.c?rev=230207&r1=230206&r2=230207&view=diff
==============================================================================
--- cfe/trunk/test/Preprocessor/init.c (original)
+++ cfe/trunk/test/Preprocessor/init.c Mon Feb 23 03:12:31 2015
@@ -259,7 +259,7 @@
 // AARCH64:#define __DBL_MIN_10_EXP__ (-307)
 // AARCH64:#define __DBL_MIN_EXP__ (-1021)
 // AARCH64:#define __DBL_MIN__ 2.2250738585072014e-308
-// AARCH64:#define __DECIMAL_DIG__ 36
+// AARCH64:#define __DECIMAL_DIG__ __LDBL_DECIMAL_DIG__
 // AARCH64:#define __FLT_DENORM_MIN__ 1.40129846e-45F
 // AARCH64:#define __FLT_DIG__ 6
 // AARCH64:#define __FLT_EPSILON__ 1.19209290e-7F
@@ -450,7 +450,7 @@
 // AARCH64-BE:#define __DBL_MIN_10_EXP__ (-307)
 // AARCH64-BE:#define __DBL_MIN_EXP__ (-1021)
 // AARCH64-BE:#define __DBL_MIN__ 2.2250738585072014e-308
-// AARCH64-BE:#define __DECIMAL_DIG__ 36
+// AARCH64-BE:#define __DECIMAL_DIG__ __LDBL_DECIMAL_DIG__
 // AARCH64-BE:#define __FLT_DENORM_MIN__ 1.40129846e-45F
 // AARCH64-BE:#define __FLT_DIG__ 6
 // AARCH64-BE:#define __FLT_EPSILON__ 1.19209290e-7F
@@ -641,7 +641,7 @@
 // AARCH64-NETBSD:#define __DBL_MIN_10_EXP__ (-307)
 // AARCH64-NETBSD:#define __DBL_MIN_EXP__ (-1021)
 // AARCH64-NETBSD:#define __DBL_MIN__ 2.2250738585072014e-308
-// AARCH64-NETBSD:#define __DECIMAL_DIG__ 36
+// AARCH64-NETBSD:#define __DECIMAL_DIG__ __LDBL_DECIMAL_DIG__
 // AARCH64-NETBSD:#define __ELF__ 1
 // AARCH64-NETBSD:#define __FLT_DENORM_MIN__ 1.40129846e-45F
 // AARCH64-NETBSD:#define __FLT_DIG__ 6
@@ -833,7 +833,7 @@
 // AARCH64-FREEBSD:#define __DBL_MIN_10_EXP__ (-307)
 // AARCH64-FREEBSD:#define __DBL_MIN_EXP__ (-1021)
 // AARCH64-FREEBSD:#define __DBL_MIN__ 2.2250738585072014e-308
-// AARCH64-FREEBSD:#define __DECIMAL_DIG__ 36
+// AARCH64-FREEBSD:#define __DECIMAL_DIG__ __LDBL_DECIMAL_DIG__
 // AARCH64-FREEBSD:#define __ELF__ 1
 // AARCH64-FREEBSD:#define __FLT_DENORM_MIN__ 1.40129846e-45F
 // AARCH64-FREEBSD:#define __FLT_DIG__ 6
@@ -1027,7 +1027,7 @@
 // AARCH64-DARWIN: #define __DBL_MIN_10_EXP__ (-307)
 // AARCH64-DARWIN: #define __DBL_MIN_EXP__ (-1021)
 // AARCH64-DARWIN: #define __DBL_MIN__ 2.2250738585072014e-308
-// AARCH64-DARWIN: #define __DECIMAL_DIG__ 17
+// AARCH64-DARWIN: #define __DECIMAL_DIG__ __LDBL_DECIMAL_DIG__
 // AARCH64-DARWIN: #define __FLT_DENORM_MIN__ 1.40129846e-45F
 // AARCH64-DARWIN: #define __FLT_DIG__ 6
 // AARCH64-DARWIN: #define __FLT_EPSILON__ 1.19209290e-7F
@@ -1216,7 +1216,7 @@
 // ARM:#define __DBL_MIN_10_EXP__ (-307)
 // ARM:#define __DBL_MIN_EXP__ (-1021)
 // ARM:#define __DBL_MIN__ 2.2250738585072014e-308
-// ARM:#define __DECIMAL_DIG__ 17
+// ARM:#define __DECIMAL_DIG__ __LDBL_DECIMAL_DIG__
 // ARM:#define __FLT_DENORM_MIN__ 1.40129846e-45F
 // ARM:#define __FLT_DIG__ 6
 // ARM:#define __FLT_EPSILON__ 1.19209290e-7F
@@ -1408,7 +1408,7 @@
 // ARM-BE:#define __DBL_MIN_10_EXP__ (-307)
 // ARM-BE:#define __DBL_MIN_EXP__ (-1021)
 // ARM-BE:#define __DBL_MIN__ 2.2250738585072014e-308
-// ARM-BE:#define __DECIMAL_DIG__ 17
+// ARM-BE:#define __DECIMAL_DIG__ __LDBL_DECIMAL_DIG__
 // ARM-BE:#define __FLT_DENORM_MIN__ 1.40129846e-45F
 // ARM-BE:#define __FLT_DIG__ 6
 // ARM-BE:#define __FLT_EPSILON__ 1.19209290e-7F
@@ -1602,7 +1602,7 @@
 // ARMEABISOFTFP:#define __DBL_MIN_10_EXP__ (-307)
 // ARMEABISOFTFP:#define __DBL_MIN_EXP__ (-1021)
 // ARMEABISOFTFP:#define __DBL_MIN__ 2.2250738585072014e-308
-// ARMEABISOFTFP:#define __DECIMAL_DIG__ 17
+// ARMEABISOFTFP:#define __DECIMAL_DIG__ __LDBL_DECIMAL_DIG__
 // ARMEABISOFTFP:#define __FLT_DENORM_MIN__ 1.40129846e-45F
 // ARMEABISOFTFP:#define __FLT_DIG__ 6
 // ARMEABISOFTFP:#define __FLT_EPSILON__ 1.19209290e-7F
@@ -1798,7 +1798,7 @@
 // ARMEABIHARDFP:#define __DBL_MIN_10_EXP__ (-307)
 // ARMEABIHARDFP:#define __DBL_MIN_EXP__ (-1021)
 // ARMEABIHARDFP:#define __DBL_MIN__ 2.2250738585072014e-308
-// ARMEABIHARDFP:#define __DECIMAL_DIG__ 17
+// ARMEABIHARDFP:#define __DECIMAL_DIG__ __LDBL_DECIMAL_DIG__
 // ARMEABIHARDFP:#define __FLT_DENORM_MIN__ 1.40129846e-45F
 // ARMEABIHARDFP:#define __FLT_DIG__ 6
 // ARMEABIHARDFP:#define __FLT_EPSILON__ 1.19209290e-7F
@@ -1992,7 +1992,7 @@
 // ARM-NETBSD:#define __DBL_MIN_10_EXP__ (-307)
 // ARM-NETBSD:#define __DBL_MIN_EXP__ (-1021)
 // ARM-NETBSD:#define __DBL_MIN__ 2.2250738585072014e-308
-// ARM-NETBSD:#define __DECIMAL_DIG__ 17
+// ARM-NETBSD:#define __DECIMAL_DIG__ __LDBL_DECIMAL_DIG__
 // ARM-NETBSD:#define __FLT_DENORM_MIN__ 1.40129846e-45F
 // ARM-NETBSD:#define __FLT_DIG__ 6
 // ARM-NETBSD:#define __FLT_EPSILON__ 1.19209290e-7F
@@ -2239,7 +2239,7 @@
 // I386:#define __DBL_MIN_10_EXP__ (-307)
 // I386:#define __DBL_MIN_EXP__ (-1021)
 // I386:#define __DBL_MIN__ 2.2250738585072014e-308
-// I386:#define __DECIMAL_DIG__ 21
+// I386:#define __DECIMAL_DIG__ __LDBL_DECIMAL_DIG__
 // I386:#define __FLT_DENORM_MIN__ 1.40129846e-45F
 // I386:#define __FLT_DIG__ 6
 // I386:#define __FLT_EPSILON__ 1.19209290e-7F
@@ -2426,7 +2426,7 @@
 // I386-LINUX:#define __DBL_MIN_10_EXP__ (-307)
 // I386-LINUX:#define __DBL_MIN_EXP__ (-1021)
 // I386-LINUX:#define __DBL_MIN__ 2.2250738585072014e-308
-// I386-LINUX:#define __DECIMAL_DIG__ 21
+// I386-LINUX:#define __DECIMAL_DIG__ __LDBL_DECIMAL_DIG__
 // I386-LINUX:#define __FLT_DENORM_MIN__ 1.40129846e-45F
 // I386-LINUX:#define __FLT_DIG__ 6
 // I386-LINUX:#define __FLT_EPSILON__ 1.19209290e-7F
@@ -2613,7 +2613,7 @@
 // I386-NETBSD:#define __DBL_MIN_10_EXP__ (-307)
 // I386-NETBSD:#define __DBL_MIN_EXP__ (-1021)
 // I386-NETBSD:#define __DBL_MIN__ 2.2250738585072014e-308
-// I386-NETBSD:#define __DECIMAL_DIG__ 21
+// I386-NETBSD:#define __DECIMAL_DIG__ __LDBL_DECIMAL_DIG__
 // I386-NETBSD:#define __FLT_DENORM_MIN__ 1.40129846e-45F
 // I386-NETBSD:#define __FLT_DIG__ 6
 // I386-NETBSD:#define __FLT_EPSILON__ 1.19209290e-7F
@@ -2820,7 +2820,7 @@
 // MIPS32BE:#define __DBL_MIN_10_EXP__ (-307)
 // MIPS32BE:#define __DBL_MIN_EXP__ (-1021)
 // MIPS32BE:#define __DBL_MIN__ 2.2250738585072014e-308
-// MIPS32BE:#define __DECIMAL_DIG__ 17
+// MIPS32BE:#define __DECIMAL_DIG__ __LDBL_DECIMAL_DIG__
 // MIPS32BE:#define __FLT_DENORM_MIN__ 1.40129846e-45F
 // MIPS32BE:#define __FLT_DIG__ 6
 // MIPS32BE:#define __FLT_EPSILON__ 1.19209290e-7F
@@ -3028,7 +3028,7 @@
 // MIPS32EL:#define __DBL_MIN_10_EXP__ (-307)
 // MIPS32EL:#define __DBL_MIN_EXP__ (-1021)
 // MIPS32EL:#define __DBL_MIN__ 2.2250738585072014e-308
-// MIPS32EL:#define __DECIMAL_DIG__ 17
+// MIPS32EL:#define __DECIMAL_DIG__ __LDBL_DECIMAL_DIG__
 // MIPS32EL:#define __FLT_DENORM_MIN__ 1.40129846e-45F
 // MIPS32EL:#define __FLT_DIG__ 6
 // MIPS32EL:#define __FLT_EPSILON__ 1.19209290e-7F
@@ -3243,7 +3243,7 @@
 // MIPSN32BE: #define __DBL_MIN_10_EXP__ (-307)
 // MIPSN32BE: #define __DBL_MIN_EXP__ (-1021)
 // MIPSN32BE: #define __DBL_MIN__ 2.2250738585072014e-308
-// MIPSN32BE: #define __DECIMAL_DIG__ 36
+// MIPSN32BE: #define __DECIMAL_DIG__ __LDBL_DECIMAL_DIG__
 // MIPSN32BE: #define __FINITE_MATH_ONLY__ 0
 // MIPSN32BE: #define __FLT_DENORM_MIN__ 1.40129846e-45F
 // MIPSN32BE: #define __FLT_DIG__ 6
@@ -3549,7 +3549,7 @@
 // MIPSN32EL: #define __DBL_MIN_10_EXP__ (-307)
 // MIPSN32EL: #define __DBL_MIN_EXP__ (-1021)
 // MIPSN32EL: #define __DBL_MIN__ 2.2250738585072014e-308
-// MIPSN32EL: #define __DECIMAL_DIG__ 36
+// MIPSN32EL: #define __DECIMAL_DIG__ __LDBL_DECIMAL_DIG__
 // MIPSN32EL: #define __FINITE_MATH_ONLY__ 0
 // MIPSN32EL: #define __FLT_DENORM_MIN__ 1.40129846e-45F
 // MIPSN32EL: #define __FLT_DIG__ 6
@@ -3849,7 +3849,7 @@
 // MIPS64BE:#define __DBL_MIN_10_EXP__ (-307)
 // MIPS64BE:#define __DBL_MIN_EXP__ (-1021)
 // MIPS64BE:#define __DBL_MIN__ 2.2250738585072014e-308
-// MIPS64BE:#define __DECIMAL_DIG__ 36
+// MIPS64BE:#define __DECIMAL_DIG__ __LDBL_DECIMAL_DIG__
 // MIPS64BE:#define __FLT_DENORM_MIN__ 1.40129846e-45F
 // MIPS64BE:#define __FLT_DIG__ 6
 // MIPS64BE:#define __FLT_EPSILON__ 1.19209290e-7F
@@ -4057,7 +4057,7 @@
 // MIPS64EL:#define __DBL_MIN_10_EXP__ (-307)
 // MIPS64EL:#define __DBL_MIN_EXP__ (-1021)
 // MIPS64EL:#define __DBL_MIN__ 2.2250738585072014e-308
-// MIPS64EL:#define __DECIMAL_DIG__ 36
+// MIPS64EL:#define __DECIMAL_DIG__ __LDBL_DECIMAL_DIG__
 // MIPS64EL:#define __FLT_DENORM_MIN__ 1.40129846e-45F
 // MIPS64EL:#define __FLT_DIG__ 6
 // MIPS64EL:#define __FLT_EPSILON__ 1.19209290e-7F
@@ -4476,7 +4476,7 @@
 // MSP430:#define __DBL_MIN_10_EXP__ (-307)
 // MSP430:#define __DBL_MIN_EXP__ (-1021)
 // MSP430:#define __DBL_MIN__ 2.2250738585072014e-308
-// MSP430:#define __DECIMAL_DIG__ 17
+// MSP430:#define __DECIMAL_DIG__ __LDBL_DECIMAL_DIG__
 // MSP430:#define __FLT_DENORM_MIN__ 1.40129846e-45F
 // MSP430:#define __FLT_DIG__ 6
 // MSP430:#define __FLT_EPSILON__ 1.19209290e-7F
@@ -4661,7 +4661,7 @@
 // NVPTX32:#define __DBL_MIN_10_EXP__ (-307)
 // NVPTX32:#define __DBL_MIN_EXP__ (-1021)
 // NVPTX32:#define __DBL_MIN__ 2.2250738585072014e-308
-// NVPTX32:#define __DECIMAL_DIG__ 17
+// NVPTX32:#define __DECIMAL_DIG__ __LDBL_DECIMAL_DIG__
 // NVPTX32:#define __FINITE_MATH_ONLY__ 0
 // NVPTX32:#define __FLT_DENORM_MIN__ 1.40129846e-45F
 // NVPTX32:#define __FLT_DIG__ 6
@@ -4848,7 +4848,7 @@
 // NVPTX64:#define __DBL_MIN_10_EXP__ (-307)
 // NVPTX64:#define __DBL_MIN_EXP__ (-1021)
 // NVPTX64:#define __DBL_MIN__ 2.2250738585072014e-308
-// NVPTX64:#define __DECIMAL_DIG__ 17
+// NVPTX64:#define __DECIMAL_DIG__ __LDBL_DECIMAL_DIG__
 // NVPTX64:#define __FINITE_MATH_ONLY__ 0
 // NVPTX64:#define __FLT_DENORM_MIN__ 1.40129846e-45F
 // NVPTX64:#define __FLT_DIG__ 6
@@ -5040,7 +5040,7 @@
 // PPC603E:#define __DBL_MIN_10_EXP__ (-307)
 // PPC603E:#define __DBL_MIN_EXP__ (-1021)
 // PPC603E:#define __DBL_MIN__ 2.2250738585072014e-308
-// PPC603E:#define __DECIMAL_DIG__ 33
+// PPC603E:#define __DECIMAL_DIG__ __LDBL_DECIMAL_DIG__
 // PPC603E:#define __FLT_DENORM_MIN__ 1.40129846e-45F
 // PPC603E:#define __FLT_DIG__ 6
 // PPC603E:#define __FLT_EPSILON__ 1.19209290e-7F
@@ -5239,7 +5239,7 @@
 // PPC64:#define __DBL_MIN_10_EXP__ (-307)
 // PPC64:#define __DBL_MIN_EXP__ (-1021)
 // PPC64:#define __DBL_MIN__ 2.2250738585072014e-308
-// PPC64:#define __DECIMAL_DIG__ 33
+// PPC64:#define __DECIMAL_DIG__ __LDBL_DECIMAL_DIG__
 // PPC64:#define __FLT_DENORM_MIN__ 1.40129846e-45F
 // PPC64:#define __FLT_DIG__ 6
 // PPC64:#define __FLT_EPSILON__ 1.19209290e-7F
@@ -5441,7 +5441,7 @@
 // PPC64LE:#define __DBL_MIN_10_EXP__ (-307)
 // PPC64LE:#define __DBL_MIN_EXP__ (-1021)
 // PPC64LE:#define __DBL_MIN__ 2.2250738585072014e-308
-// PPC64LE:#define __DECIMAL_DIG__ 33
+// PPC64LE:#define __DECIMAL_DIG__ __LDBL_DECIMAL_DIG__
 // PPC64LE:#define __FLT_DENORM_MIN__ 1.40129846e-45F
 // PPC64LE:#define __FLT_DIG__ 6
 // PPC64LE:#define __FLT_EPSILON__ 1.19209290e-7F
@@ -5824,7 +5824,7 @@
 // PPC64-LINUX:#define __DBL_MIN_10_EXP__ (-307)
 // PPC64-LINUX:#define __DBL_MIN_EXP__ (-1021)
 // PPC64-LINUX:#define __DBL_MIN__ 2.2250738585072014e-308
-// PPC64-LINUX:#define __DECIMAL_DIG__ 33
+// PPC64-LINUX:#define __DECIMAL_DIG__ __LDBL_DECIMAL_DIG__
 // PPC64-LINUX:#define __FLT_DENORM_MIN__ 1.40129846e-45F
 // PPC64-LINUX:#define __FLT_DIG__ 6
 // PPC64-LINUX:#define __FLT_EPSILON__ 1.19209290e-7F
@@ -6029,7 +6029,7 @@
 // PPC:#define __DBL_MIN_10_EXP__ (-307)
 // PPC:#define __DBL_MIN_EXP__ (-1021)
 // PPC:#define __DBL_MIN__ 2.2250738585072014e-308
-// PPC:#define __DECIMAL_DIG__ 33
+// PPC:#define __DECIMAL_DIG__ __LDBL_DECIMAL_DIG__
 // PPC:#define __FLT_DENORM_MIN__ 1.40129846e-45F
 // PPC:#define __FLT_DIG__ 6
 // PPC:#define __FLT_EPSILON__ 1.19209290e-7F
@@ -6220,7 +6220,7 @@
 // PPC-LINUX:#define __DBL_MIN_10_EXP__ (-307)
 // PPC-LINUX:#define __DBL_MIN_EXP__ (-1021)
 // PPC-LINUX:#define __DBL_MIN__ 2.2250738585072014e-308
-// PPC-LINUX:#define __DECIMAL_DIG__ 33
+// PPC-LINUX:#define __DECIMAL_DIG__ __LDBL_DECIMAL_DIG__
 // PPC-LINUX:#define __FLT_DENORM_MIN__ 1.40129846e-45F
 // PPC-LINUX:#define __FLT_DIG__ 6
 // PPC-LINUX:#define __FLT_EPSILON__ 1.19209290e-7F
@@ -6411,7 +6411,7 @@
 // PPC-DARWIN:#define __DBL_MIN_10_EXP__ (-307)
 // PPC-DARWIN:#define __DBL_MIN_EXP__ (-1021)
 // PPC-DARWIN:#define __DBL_MIN__ 2.2250738585072014e-308
-// PPC-DARWIN:#define __DECIMAL_DIG__ 33
+// PPC-DARWIN:#define __DECIMAL_DIG__ __LDBL_DECIMAL_DIG__
 // PPC-DARWIN:#define __FLT_DENORM_MIN__ 1.40129846e-45F
 // PPC-DARWIN:#define __FLT_DIG__ 6
 // PPC-DARWIN:#define __FLT_EPSILON__ 1.19209290e-7F
@@ -6604,7 +6604,7 @@
 // S390X:#define __DBL_MIN_10_EXP__ (-307)
 // S390X:#define __DBL_MIN_EXP__ (-1021)
 // S390X:#define __DBL_MIN__ 2.2250738585072014e-308
-// S390X:#define __DECIMAL_DIG__ 36
+// S390X:#define __DECIMAL_DIG__ __LDBL_DECIMAL_DIG__
 // S390X:#define __FLT_DENORM_MIN__ 1.40129846e-45F
 // S390X:#define __FLT_DIG__ 6
 // S390X:#define __FLT_EPSILON__ 1.19209290e-7F
@@ -6787,7 +6787,7 @@
 // SPARC:#define __DBL_MIN_10_EXP__ (-307)
 // SPARC:#define __DBL_MIN_EXP__ (-1021)
 // SPARC:#define __DBL_MIN__ 2.2250738585072014e-308
-// SPARC:#define __DECIMAL_DIG__ 17
+// SPARC:#define __DECIMAL_DIG__ __LDBL_DECIMAL_DIG__
 // SPARC:#define __FLT_DENORM_MIN__ 1.40129846e-45F
 // SPARC:#define __FLT_DIG__ 6
 // SPARC:#define __FLT_EPSILON__ 1.19209290e-7F
@@ -6975,7 +6975,7 @@
 // TCE:#define __DBL_MIN_10_EXP__ (-37)
 // TCE:#define __DBL_MIN_EXP__ (-125)
 // TCE:#define __DBL_MIN__ 1.17549435e-38
-// TCE:#define __DECIMAL_DIG__ -1
+// TCE:#define __DECIMAL_DIG__ __LDBL_DECIMAL_DIG__
 // TCE:#define __FLT_DENORM_MIN__ 1.40129846e-45F
 // TCE:#define __FLT_DIG__ 6
 // TCE:#define __FLT_EPSILON__ 1.19209290e-7F
@@ -7142,7 +7142,7 @@
 // X86_64:#define __DBL_MIN_10_EXP__ (-307)
 // X86_64:#define __DBL_MIN_EXP__ (-1021)
 // X86_64:#define __DBL_MIN__ 2.2250738585072014e-308
-// X86_64:#define __DECIMAL_DIG__ 21
+// X86_64:#define __DECIMAL_DIG__ __LDBL_DECIMAL_DIG__
 // X86_64:#define __FLT_DENORM_MIN__ 1.40129846e-45F
 // X86_64:#define __FLT_DIG__ 6
 // X86_64:#define __FLT_EPSILON__ 1.19209290e-7F
@@ -7344,7 +7344,7 @@
 // X32:#define __DBL_MIN_10_EXP__ (-307)
 // X32:#define __DBL_MIN_EXP__ (-1021)
 // X32:#define __DBL_MIN__ 2.2250738585072014e-308
-// X32:#define __DECIMAL_DIG__ 21
+// X32:#define __DECIMAL_DIG__ __LDBL_DECIMAL_DIG__
 // X32:#define __FLT_DENORM_MIN__ 1.40129846e-45F
 // X32:#define __FLT_DIG__ 6
 // X32:#define __FLT_EPSILON__ 1.19209290e-7F
@@ -7538,7 +7538,7 @@
 // X86_64-LINUX:#define __DBL_MIN_10_EXP__ (-307)
 // X86_64-LINUX:#define __DBL_MIN_EXP__ (-1021)
 // X86_64-LINUX:#define __DBL_MIN__ 2.2250738585072014e-308
-// X86_64-LINUX:#define __DECIMAL_DIG__ 21
+// X86_64-LINUX:#define __DECIMAL_DIG__ __LDBL_DECIMAL_DIG__
 // X86_64-LINUX:#define __FLT_DENORM_MIN__ 1.40129846e-45F
 // X86_64-LINUX:#define __FLT_DIG__ 6
 // X86_64-LINUX:#define __FLT_EPSILON__ 1.19209290e-7F
@@ -7712,8 +7712,11 @@
 //
 // RUN: %clang_cc1 -E -dM -ffreestanding -triple=x86_64-unknown-freebsd9.1 < /dev/null | FileCheck -check-prefix X86_64-FREEBSD %s
 //
+// X86_64-FREEBSD:#define __DBL_DECIMAL_DIG__ 17
+// X86_64-FREEBSD:#define __FLT_DECIMAL_DIG__ 9
 // X86_64-FREEBSD:#define __FreeBSD__ 9
 // X86_64-FREEBSD:#define __FreeBSD_cc_version 900001
+// X86_64-FREEBSD:#define __LDBL_DECIMAL_DIG__ 21
 // X86_64-FREEBSD:#define __STDC_MB_MIGHT_NEQ_WC__ 1
 //
 // RUN: %clang_cc1 -E -dM -ffreestanding -triple=x86_64-netbsd < /dev/null | FileCheck -check-prefix X86_64-NETBSD %s
@@ -7737,7 +7740,7 @@
 // X86_64-NETBSD:#define __DBL_MIN_10_EXP__ (-307)
 // X86_64-NETBSD:#define __DBL_MIN_EXP__ (-1021)
 // X86_64-NETBSD:#define __DBL_MIN__ 2.2250738585072014e-308
-// X86_64-NETBSD:#define __DECIMAL_DIG__ 21
+// X86_64-NETBSD:#define __DECIMAL_DIG__ __LDBL_DECIMAL_DIG__
 // X86_64-NETBSD:#define __FLT_DENORM_MIN__ 1.40129846e-45F
 // X86_64-NETBSD:#define __FLT_DIG__ 6
 // X86_64-NETBSD:#define __FLT_EPSILON__ 1.19209290e-7F
@@ -7929,7 +7932,7 @@
 // PS4:#define __DBL_MIN_10_EXP__ (-307)
 // PS4:#define __DBL_MIN_EXP__ (-1021)
 // PS4:#define __DBL_MIN__ 2.2250738585072014e-308
-// PS4:#define __DECIMAL_DIG__ 21
+// PS4:#define __DECIMAL_DIG__ __LDBL_DECIMAL_DIG__
 // PS4:#define __ELF__ 1
 // PS4:#define __FLT_DENORM_MIN__ 1.40129846e-45F
 // PS4:#define __FLT_DIG__ 6

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