[PATCH] D135171: FreeBSD: enable __float128 on x86

[Brooks Davis via Phabricator via cfe-commits]

brooks updated this revision to Diff 465223.
brooks added a comment.

Add a test as requested by @arichardson


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D135171/new/

https://reviews.llvm.org/D135171

Files:
  clang/lib/Basic/Targets/OSTargets.h
  clang/test/CodeGenCXX/float128-declarations.cpp


Index: clang/test/CodeGenCXX/float128-declarations.cpp
===================================================================
--- clang/test/CodeGenCXX/float128-declarations.cpp
+++ clang/test/CodeGenCXX/float128-declarations.cpp
@@ -2,6 +2,8 @@
 // RUN:   -target-feature +float128 -std=c++11 %s -o - | FileCheck %s
 // RUN: %clang_cc1 -no-opaque-pointers -emit-llvm -triple powerpc64le-unknown-unknown \
 // RUN:   -target-feature +float128 -std=c++11 %s -o - | FileCheck %s
+// RUN: %clang_cc1 -no-opaque-pointers -emit-llvm -triple x86_64-unknown-freebsd -std=c++11 \
+// RUN:   %s -o - | FileCheck %s -check-prefix=CHECK-X86
 // RUN: %clang_cc1 -no-opaque-pointers -emit-llvm -triple i386-unknown-linux-gnu -std=c++11 \
 // RUN:   %s -o - | FileCheck %s -check-prefix=CHECK-X86
 // RUN: %clang_cc1 -no-opaque-pointers -emit-llvm -triple x86_64-unknown-linux-gnu -std=c++11 \
Index: clang/lib/Basic/Targets/OSTargets.h
===================================================================
--- clang/lib/Basic/Targets/OSTargets.h
+++ clang/lib/Basic/Targets/OSTargets.h
@@ -232,15 +232,20 @@
     // setting this to 1 is conforming even if all the basic source
     // character literals have the same encoding as char and wchar_t.
     Builder.defineMacro("__STDC_MB_MIGHT_NEQ_WC__", "1");
+
+    if (this->HasFloat128)
+      Builder.defineMacro("__FLOAT128__");
   }
 
 public:
   FreeBSDTargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
       : OSTargetInfo<Target>(Triple, Opts) {
     switch (Triple.getArch()) {
-    default:
     case llvm::Triple::x86:
     case llvm::Triple::x86_64:
+      this->HasFloat128 = true;
+      [[fallthrough]];
+    default:
       this->MCountName = ".mcount";
       break;
     case llvm::Triple::mips:


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