From: Chris Lattner <sabre@nondot.org>
Date: Sun, 5 Oct 2008 21:40:58 +0000 (+0000)
Subject: suck the rest of the FP macros out of the targets into the PP
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=e9863cab04789cd6d82453c42f6736624e0e739b;p=clang

suck the rest of the FP macros out of the targets into the PP


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@57137 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index f5b936754b..97aa11ba02 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -119,48 +119,18 @@ static void getPowerPCDefines(std::vector<char> &Defs, bool is64Bit) {
   Define(Defs, "__NATURAL_ALIGNMENT__");
   Define(Defs, "__REGISTER_PREFIX__", "");
 
-  // Float macros.
-  Define(Defs, "__FLT_DIG__", "6");
-  Define(Defs, "__FLT_EPSILON__", "1.19209290e-7F");
   Define(Defs, "__FLT_EVAL_METHOD__", "0");
-  Define(Defs, "__FLT_HAS_INFINITY__");
-  Define(Defs, "__FLT_HAS_QUIET_NAN__");
-  Define(Defs, "__FLT_MANT_DIG__", "24");
-  Define(Defs, "__FLT_MAX_10_EXP__", "38");
-  Define(Defs, "__FLT_MAX_EXP__", "128");
-  Define(Defs, "__FLT_MAX__", "3.40282347e+38F");
-  Define(Defs, "__FLT_MIN_10_EXP__", "(-37)");
-  Define(Defs, "__FLT_MIN_EXP__", "(-125)");
-  Define(Defs, "__FLT_MIN__", "1.17549435e-38F");
   Define(Defs, "__FLT_RADIX__", "2");
+  Define(Defs, "__DECIMAL_DIG__", "33");
+
+  // Float macros.
+  Define(Defs, "__FLT_MIN__", "1.17549435e-38F");
   
   // double macros.
-  Define(Defs, "__DBL_DIG__", "15");
-  Define(Defs, "__DBL_EPSILON__", "2.2204460492503131e-16");
-  Define(Defs, "__DBL_HAS_INFINITY__");
-  Define(Defs, "__DBL_HAS_QUIET_NAN__");
-  Define(Defs, "__DBL_MANT_DIG__", "53");
-  Define(Defs, "__DBL_MAX_10_EXP__", "308");
-  Define(Defs, "__DBL_MAX_EXP__", "1024");
-  Define(Defs, "__DBL_MAX__", "1.7976931348623157e+308");
-  Define(Defs, "__DBL_MIN_10_EXP__", "(-307)");
-  Define(Defs, "__DBL_MIN_EXP__", "(-1021)");
   Define(Defs, "__DBL_MIN__", "2.2250738585072014e-308");
-  Define(Defs, "__DECIMAL_DIG__", "33");
   
   // 128-bit long double macros.
-  Define(Defs, "__LDBL_DIG__", "31");
-  Define(Defs, "__LDBL_EPSILON__",
-         "4.94065645841246544176568792868221e-324L");
-  Define(Defs, "__LDBL_HAS_INFINITY__");
-  Define(Defs, "__LDBL_HAS_QUIET_NAN__");
-  Define(Defs, "__LDBL_MANT_DIG__", "106");
-  Define(Defs, "__LDBL_MAX_10_EXP__", "308");
-  Define(Defs, "__LDBL_MAX_EXP__", "1024");
-  Define(Defs, "__LDBL_MAX__",
-         "1.79769313486231580793728971405301e+308L");
   Define(Defs, "__LDBL_MIN_10_EXP__", "(-291)");
-  Define(Defs, "__LDBL_MIN_EXP__", "(-968)");
   Define(Defs, "__LDBL_MIN__",
          "2.00416836000897277799610805135016e-292L");
   Define(Defs, "__LONG_DOUBLE_128__");
@@ -197,47 +167,17 @@ static void getX86Defines(std::vector<char> &Defs, bool is64Bit) {
   Define(Defs, "__MMX__");
   Define(Defs, "__REGISTER_PREFIX__", "");
 
+  Define(Defs, "__FLT_EVAL_METHOD__", "0");
+  Define(Defs, "__FLT_RADIX__", "2");
+  Define(Defs, "__DECIMAL_DIG__", "21");
   
   // Float macros.
-  Define(Defs, "__FLT_DIG__", "6");
-  Define(Defs, "__FLT_EPSILON__", "1.19209290e-7F");
-  Define(Defs, "__FLT_EVAL_METHOD__", "0");
-  Define(Defs, "__FLT_HAS_INFINITY__");
-  Define(Defs, "__FLT_HAS_QUIET_NAN__");
-  Define(Defs, "__FLT_MANT_DIG__", "24");
-  Define(Defs, "__FLT_MAX_10_EXP__", "38");
-  Define(Defs, "__FLT_MAX_EXP__", "128");
-  Define(Defs, "__FLT_MAX__", "3.40282347e+38F");
-  Define(Defs, "__FLT_MIN_10_EXP__", "(-37)");
-  Define(Defs, "__FLT_MIN_EXP__", "(-125)");
   Define(Defs, "__FLT_MIN__", "1.17549435e-38F");
-  Define(Defs, "__FLT_RADIX__", "2");
   
   // Double macros.
-  Define(Defs, "__DBL_DIG__", "15");
-  Define(Defs, "__DBL_EPSILON__", "2.2204460492503131e-16");
-  Define(Defs, "__DBL_HAS_INFINITY__");
-  Define(Defs, "__DBL_HAS_QUIET_NAN__");
-  Define(Defs, "__DBL_MANT_DIG__", "53");
-  Define(Defs, "__DBL_MAX_10_EXP__", "308");
-  Define(Defs, "__DBL_MAX_EXP__", "1024");
-  Define(Defs, "__DBL_MAX__", "1.7976931348623157e+308");
-  Define(Defs, "__DBL_MIN_10_EXP__", "(-307)");
-  Define(Defs, "__DBL_MIN_EXP__", "(-1021)");
   Define(Defs, "__DBL_MIN__", "2.2250738585072014e-308");
-  Define(Defs, "__DECIMAL_DIG__", "21");
   
   // 80-bit Long double macros.
-  Define(Defs, "__LDBL_DIG__", "18");
-  Define(Defs, "__LDBL_EPSILON__", "1.08420217248550443401e-19L");
-  Define(Defs, "__LDBL_HAS_INFINITY__");
-  Define(Defs, "__LDBL_HAS_QUIET_NAN__");
-  Define(Defs, "__LDBL_MANT_DIG__", "64");
-  Define(Defs, "__LDBL_MAX_10_EXP__", "4932");
-  Define(Defs, "__LDBL_MAX_EXP__", "16384");
-  Define(Defs, "__LDBL_MAX__", "1.18973149535723176502e+4932L");
-  Define(Defs, "__LDBL_MIN_10_EXP__", "(-4931)");
-  Define(Defs, "__LDBL_MIN_EXP__", "(-16381)");
   Define(Defs, "__LDBL_MIN__", "3.36210314311209350626e-4932L");
 }
 
@@ -256,47 +196,17 @@ static void getARMDefines(std::vector<char> &Defs) {
   Define(Defs, "__ARMEL__");
   Define(Defs, "__ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__", "20000");
   
-  Define(Defs, "__DECIMAL_DIG__", "17");
+  Define(Defs, "__FLT_EVAL_METHOD__", "0");
   Define(Defs, "__FLT_RADIX__", "2");
+  Define(Defs, "__DECIMAL_DIG__", "17");
 
   // Float macros.
-  Define(Defs, "__FLT_DIG__", "6");
-  Define(Defs, "__FLT_EPSILON__", "1.19209290e-7F");
-  Define(Defs, "__FLT_EVAL_METHOD__", "0");
-  Define(Defs, "__FLT_HAS_INFINITY__");
-  Define(Defs, "__FLT_HAS_QUIET_NAN__");
-  Define(Defs, "__FLT_MANT_DIG__", "24");
-  Define(Defs, "__FLT_MAX_10_EXP__", "38");
-  Define(Defs, "__FLT_MAX_EXP__", "128");
-  Define(Defs, "__FLT_MAX__", "3.40282347e+38F");
-  Define(Defs, "__FLT_MIN_10_EXP__", "(-37)");
-  Define(Defs, "__FLT_MIN_EXP__", "(-125)");
   Define(Defs, "__FLT_MIN__", "1.17549435e-38F");
   
   // Double macros.
-  Define(Defs, "__DBL_DIG__", "15");
-  Define(Defs, "__DBL_EPSILON__", "2.2204460492503131e-16");
-  Define(Defs, "__DBL_HAS_INFINITY__");
-  Define(Defs, "__DBL_HAS_QUIET_NAN__");
-  Define(Defs, "__DBL_MANT_DIG__", "53");
-  Define(Defs, "__DBL_MAX_10_EXP__", "308");
-  Define(Defs, "__DBL_MAX_EXP__", "1024");
-  Define(Defs, "__DBL_MAX__", "1.7976931348623157e+308");
-  Define(Defs, "__DBL_MIN_10_EXP__", "(-307)");
-  Define(Defs, "__DBL_MIN_EXP__", "(-1021)");
   Define(Defs, "__DBL_MIN__", "2.2250738585072014e-308");
   
   // 64-bit Long double macros (same as double).
-  Define(Defs, "__LDBL_DIG__", "15");
-  Define(Defs, "__LDBL_EPSILON__", "2.2204460492503131e-16");
-  Define(Defs, "__LDBL_HAS_INFINITY__");
-  Define(Defs, "__LDBL_HAS_QUIET_NAN__");
-  Define(Defs, "__LDBL_MANT_DIG__", "53");
-  Define(Defs, "__LDBL_MAX_10_EXP__", "308");
-  Define(Defs, "__LDBL_MAX_EXP__", "1024");
-  Define(Defs, "__LDBL_MAX__", "1.7976931348623157e+308");
-  Define(Defs, "__LDBL_MIN_10_EXP__", "(-307)");
-  Define(Defs, "__LDBL_MIN_EXP__", "(-1021)");
   Define(Defs, "__LDBL_MIN__", "2.2250738585072014e-308");
 }
 
diff --git a/lib/Lex/Preprocessor.cpp b/lib/Lex/Preprocessor.cpp
index f00f1ea69c..0c1accd6c2 100644
--- a/lib/Lex/Preprocessor.cpp
+++ b/lib/Lex/Preprocessor.cpp
@@ -395,14 +395,52 @@ static T PickFP(const llvm::fltSemantics *Sem, T IEEESingleVal,
 
 static void DefineFloatMacros(std::vector<char> &Buf, const char *Prefix,
                               const llvm::fltSemantics *Sem) {
-  const char *DenormMin = PickFP(Sem, "1.40129846e-45F",
-                                 "4.9406564584124654e-324", 
-                                 "3.64519953188247460253e-4951L",
-                                 "4.94065645841246544176568792868221e-324L");
+  const char *DenormMin, *Epsilon, *Max, *Min;
+  DenormMin = PickFP(Sem, "1.40129846e-45F", "4.9406564584124654e-324", 
+                     "3.64519953188247460253e-4951L",
+                     "4.94065645841246544176568792868221e-324L");
+  int Digits = PickFP(Sem, 6, 15, 18, 31);
+  Epsilon = PickFP(Sem, "1.19209290e-7F", "2.2204460492503131e-16",
+                   "1.08420217248550443401e-19L",
+                   "4.94065645841246544176568792868221e-324L");
+  int HasInifinity = 1, HasQuietNaN = 1;
+  int MantissaDigits = PickFP(Sem, 24, 53, 64, 106);
+  int Min10Exp = PickFP(Sem, -37, -307, -4931, -291);
+  int Max10Exp = PickFP(Sem, 38, 308, 4932, 308);
+  int MinExp = PickFP(Sem, -125, -1021, -16381, -968);
+  int MaxExp = PickFP(Sem, 128, 1024, 16384, 1024);
+  Min = PickFP(Sem, "1.17549435e-38F", "2.2250738585072014e-308",
+               "3.36210314311209350626e-4932L",
+               "2.00416836000897277799610805135016e-292L");
+  Max = PickFP(Sem, "3.40282347e+38F", "1.7976931348623157e+308",
+               "1.18973149535723176502e+4932L",
+               "1.79769313486231580793728971405301e+308L");
   
   char MacroBuf[60];
   sprintf(MacroBuf, "__%s_DENORM_MIN__=%s", Prefix, DenormMin);
   DefineBuiltinMacro(Buf, MacroBuf);
+  sprintf(MacroBuf, "__%s_DIG__=%d", Prefix, Digits);
+  DefineBuiltinMacro(Buf, MacroBuf);
+  sprintf(MacroBuf, "__%s_EPSILON__=%s", Prefix, Epsilon);
+  DefineBuiltinMacro(Buf, MacroBuf);
+  sprintf(MacroBuf, "__%s_HAS_INFINITY__=%d", Prefix, HasInifinity);
+  DefineBuiltinMacro(Buf, MacroBuf);
+  sprintf(MacroBuf, "__%s_HAS_QUIET_NAN__=%d", Prefix, HasQuietNaN);
+  DefineBuiltinMacro(Buf, MacroBuf);
+  sprintf(MacroBuf, "__%s_MANT_DIG__=%d", Prefix, MantissaDigits);
+  DefineBuiltinMacro(Buf, MacroBuf);
+  sprintf(MacroBuf, "__%s_MAX_10_EXP__=%d", Prefix, Max10Exp);
+  DefineBuiltinMacro(Buf, MacroBuf);
+  sprintf(MacroBuf, "__%s_MAX_EXP__=%d", Prefix, MaxExp);
+  DefineBuiltinMacro(Buf, MacroBuf);
+  sprintf(MacroBuf, "__%s_MAX__=%s", Prefix, Max);
+  DefineBuiltinMacro(Buf, MacroBuf);
+  sprintf(MacroBuf, "__%s_MIN_10_EXP__=(%d)", Prefix, Min10Exp);
+  DefineBuiltinMacro(Buf, MacroBuf);
+  sprintf(MacroBuf, "__%s_MIN_EXP__=(%d)", Prefix, MinExp);
+  DefineBuiltinMacro(Buf, MacroBuf);
+  sprintf(MacroBuf, "__%s_MIN__=%s", Prefix, Min);
+  DefineBuiltinMacro(Buf, MacroBuf);
 }