[PATCH] D57154: [WebAssembly] Support __float128

[Dan Gohman via Phabricator via llvm-commits]

sunfish created this revision.
sunfish added reviewers: sbc100, dschuff, aheejin.
Herald added a subscriber: jgravelle-google.

This enables support for the "__float128" keyword.


Repository:
  rL LLVM

https://reviews.llvm.org/D57154

Files:
  lib/Basic/Targets/OSTargets.h
  test/Preprocessor/init.c


Index: test/Preprocessor/init.c
===================================================================
--- test/Preprocessor/init.c
+++ test/Preprocessor/init.c
@@ -9154,6 +9154,7 @@
 // WEBASSEMBLY-NEXT:#define __DECIMAL_DIG__ __LDBL_DECIMAL_DIG__
 // WEBASSEMBLY-NOT:#define __ELF__
 // WEBASSEMBLY-NEXT:#define __FINITE_MATH_ONLY__ 0
+// WEBASSEMBLY-NEXT:#define __FLOAT128__ 1
 // WEBASSEMBLY-NEXT:#define __FLT_DENORM_MIN__ 1.40129846e-45F
 // WEBASSEMBLY-NEXT:#define __FLT_DIG__ 6
 // WEBASSEMBLY-NEXT:#define __FLT_EPSILON__ 1.19209290e-7F
Index: lib/Basic/Targets/OSTargets.h
===================================================================
--- lib/Basic/Targets/OSTargets.h
+++ lib/Basic/Targets/OSTargets.h
@@ -771,6 +771,8 @@
     // 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 @@
       : OSTargetInfo<Target>(Triple, Opts) {
     this->MCountName = "__mcount";
     this->TheCXXABI.set(TargetCXXABI::WebAssembly);
+    this->HasFloat128 = true;
   }
 };
 


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