https://github.com/pranavk updated
https://github.com/llvm/llvm-project/pull/67196
>From 8c07729b195fa78133258b03a31e8668d70a922d Mon Sep 17 00:00:00 2001
From: Pranav Kant <p...@google.com>
Date: Fri, 22 Sep 2023 20:50:32 +0000
Subject: [PATCH 1/2] [clang] Predefined macros for float128 support
---
clang/lib/Frontend/InitPreprocessor.cpp | 2 ++
1 file changed, 2 insertions(+)
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__",
>From 0978352c91562f82229daeb1fb65f27f04f93d97 Mon Sep 17 00:00:00 2001
From: Pranav Kant <p...@google.com>
Date: Fri, 22 Sep 2023 21:23:51 +0000
Subject: [PATCH 2/2] Fix test
---
clang/test/Preprocessor/init.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
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__
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