From a957fa7e15a24ea7b2812abca300c002b018a023 Mon Sep 17 00:00:00 2001
From: Dan Gohman <dan433584@gmail.com>
Date: Thu, 24 Jan 2019 20:33:28 +0000
Subject: [WebAssembly] Support __float128

This enables support for the "__float128" keyword.

Differential Revision: https://reviews.llvm.org/D57154

llvm-svn: 352100
---
 clang/lib/Basic/Targets/OSTargets.h | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'clang/lib')

diff --git a/clang/lib/Basic/Targets/OSTargets.h b/clang/lib/Basic/Targets/OSTargets.h
index e183b3c24c7..7fe3ca9cd15 100644
--- a/clang/lib/Basic/Targets/OSTargets.h
+++ b/clang/lib/Basic/Targets/OSTargets.h
@@ -771,6 +771,8 @@ class LLVM_LIBRARY_VISIBILITY WebAssemblyOSTargetInfo
     // Follow g++ convention and predefine _GNU_SOURCE for C++.
     if (Opts.CPlusPlus)
       Builder.defineMacro("_GNU_SOURCE");
+    // Indicate that we have __float128.
+    Builder.defineMacro("__FLOAT128__");
   }
 
 public:
@@ -779,6 +781,7 @@ public:
       : OSTargetInfo<Target>(Triple, Opts) {
     this->MCountName = "__mcount";
     this->TheCXXABI.set(TargetCXXABI::WebAssembly);
+    this->HasFloat128 = true;
   }
 };
 
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