[clang] 457f582 - [clang] Predefined macros for float128 support (#67196)

[via cfe-commits]

Author: Pranav Kant
Date: 2023-10-02T14:14:52-07:00
New Revision: 457f582ffe23e951380bc345c4c96ec053c09681

URL: https://github.com/llvm/llvm-project/commit/457f582ffe23e951380bc345c4c96ec053c09681
DIFF: https://github.com/llvm/llvm-project/commit/457f582ffe23e951380bc345c4c96ec053c09681.diff

LOG: [clang] Predefined macros for float128 support (#67196)

Expose some predefined macros for Float128 support.

Added: 
    

Modified: 
    clang/lib/Frontend/InitPreprocessor.cpp
    clang/test/Preprocessor/init-x86.c
    clang/test/Preprocessor/init.c

Removed: 
    


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diff  --git a/clang/lib/Frontend/InitPreprocessor.cpp b/clang/lib/Frontend/InitPreprocessor.cpp
index e5db8a654e6707d..9e4d4d398a21da5 100644
--- a/clang/lib/Frontend/InitPreprocessor.cpp
+++ b/clang/lib/Frontend/InitPreprocessor.cpp
@@ -1076,6 +1076,8 @@ static void InitializePredefinedMacros(const TargetInfo &TI,
   DefineFloatMacros(Builder, "FLT", &TI.getFloatFormat(), "F");
   DefineFloatMacros(Builder, "DBL", &TI.getDoubleFormat(), "");
   DefineFloatMacros(Builder, "LDBL", &TI.getLongDoubleFormat(), "L");
+  if (TI.hasFloat128Type())
+    DefineFloatMacros(Builder, "FLT128", &TI.getFloat128Format(), "Q");
 
   // Define a __POINTER_WIDTH__ macro for stdint.h.
   Builder.defineMacro("__POINTER_WIDTH__",

diff  --git a/clang/test/Preprocessor/init-x86.c b/clang/test/Preprocessor/init-x86.c
index 58be9b716571747..1ee770df0c4a303 100644
--- a/clang/test/Preprocessor/init-x86.c
+++ b/clang/test/Preprocessor/init-x86.c
@@ -1023,6 +1023,21 @@
 // X86_64-LINUX:#define __DBL_MIN_EXP__ (-1021)
 // X86_64-LINUX:#define __DBL_MIN__ 2.2250738585072014e-308
 // X86_64-LINUX:#define __DECIMAL_DIG__ __LDBL_DECIMAL_DIG__
+// X86_64-LINUX:#define __FLOAT128__ 1
+// X86_64-LINUX:#define __FLT128_DECIMAL_DIG__ 36
+// X86_64-LINUX:#define __FLT128_DENORM_MIN__ 6.47517511943802511092443895822764655e-4966Q
+// X86_64-LINUX:#define __FLT128_DIG__ 33
+// X86_64-LINUX:#define __FLT128_EPSILON__ 1.92592994438723585305597794258492732e-34Q
+// X86_64-LINUX:#define __FLT128_HAS_DENORM__ 1
+// X86_64-LINUX:#define __FLT128_HAS_INFINITY__ 1
+// X86_64-LINUX:#define __FLT128_HAS_QUIET_NAN__ 1
+// X86_64-LINUX:#define __FLT128_MANT_DIG__ 113
+// X86_64-LINUX:#define __FLT128_MAX_10_EXP__ 4932
+// X86_64-LINUX:#define __FLT128_MAX_EXP__ 16384
+// X86_64-LINUX:#define __FLT128_MAX__ 1.18973149535723176508575932662800702e+4932Q
+// X86_64-LINUX:#define __FLT128_MIN_10_EXP__ (-4931)
+// X86_64-LINUX:#define __FLT128_MIN_EXP__ (-16381)
+// X86_64-LINUX:#define __FLT128_MIN__ 3.36210314311209350626267781732175260e-4932Q
 // 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

diff  --git a/clang/test/Preprocessor/init.c b/clang/test/Preprocessor/init.c
index 59c5122afe1e4c3..395c4cebfa5be76 100644
--- a/clang/test/Preprocessor/init.c
+++ b/clang/test/Preprocessor/init.c
@@ -1576,6 +1576,20 @@
 // EMSCRIPTEN-NEXT:#define __EMSCRIPTEN__ 1
 // WEBASSEMBLY-NEXT:#define __FINITE_MATH_ONLY__ 0
 // WEBASSEMBLY-NEXT:#define __FLOAT128__ 1
+// WEBASSEMBLY-NEXT:#define __FLT128_DECIMAL_DIG__ 36
+// WEBASSEMBLY-NEXT:#define __FLT128_DENORM_MIN__ 6.47517511943802511092443895822764655e-4966Q
+// WEBASSEMBLY-NEXT:#define __FLT128_DIG__ 33
+// WEBASSEMBLY-NEXT:#define __FLT128_EPSILON__ 1.92592994438723585305597794258492732e-34Q
+// WEBASSEMBLY-NEXT:#define __FLT128_HAS_DENORM__ 1
+// WEBASSEMBLY-NEXT:#define __FLT128_HAS_INFINITY__ 1
+// WEBASSEMBLY-NEXT:#define __FLT128_HAS_QUIET_NAN__ 1
+// WEBASSEMBLY-NEXT:#define __FLT128_MANT_DIG__ 113
+// WEBASSEMBLY-NEXT:#define __FLT128_MAX_10_EXP__ 4932
+// WEBASSEMBLY-NEXT:#define __FLT128_MAX_EXP__ 16384
+// WEBASSEMBLY-NEXT:#define __FLT128_MAX__ 1.18973149535723176508575932662800702e+4932Q
+// WEBASSEMBLY-NEXT:#define __FLT128_MIN_10_EXP__ (-4931)
+// WEBASSEMBLY-NEXT:#define __FLT128_MIN_EXP__ (-16381)
+// WEBASSEMBLY-NEXT:#define __FLT128_MIN__ 3.36210314311209350626267781732175260e-4932Q
 // WEBASSEMBLY-NOT:#define __FLT16_DECIMAL_DIG__
 // WEBASSEMBLY-NOT:#define __FLT16_DENORM_MIN__
 // WEBASSEMBLY-NOT:#define __FLT16_DIG__