https://github.com/brad0 created
https://github.com/llvm/llvm-project/pull/160045
None
>From 2b1cbc307d9285cf9b41fd566ba1e21f142451c4 Mon Sep 17 00:00:00 2001
From: Brad Smith <b...@comstyle.com>
Date: Mon, 22 Sep 2025 04:05:21 -0400
Subject: [PATCH] [Driver] Enable __float128 support on X86 on Hurd
---
clang/lib/Basic/Targets/OSTargets.h | 14 +++++++++++++-
clang/test/CodeGenCXX/float128-declarations.cpp | 4 ++++
2 files changed, 17 insertions(+), 1 deletion(-)
diff --git a/clang/lib/Basic/Targets/OSTargets.h
b/clang/lib/Basic/Targets/OSTargets.h
index a733f6e97b3a4..6c49a09ab27f5 100644
--- a/clang/lib/Basic/Targets/OSTargets.h
+++ b/clang/lib/Basic/Targets/OSTargets.h
@@ -328,9 +328,21 @@ class LLVM_LIBRARY_VISIBILITY HurdTargetInfo : public
OSTargetInfo<Target> {
Builder.defineMacro("_REENTRANT");
if (Opts.CPlusPlus)
Builder.defineMacro("_GNU_SOURCE");
+ if (this->HasFloat128)
+ Builder.defineMacro("__FLOAT128__");
}
public:
- using OSTargetInfo<Target>::OSTargetInfo;
+ HurdTargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
+ : OSTargetInfo<Target>(Triple, Opts) {
+ switch (Triple.getArch()) {
+ default:
+ break;
+ case llvm::Triple::x86:
+ case llvm::Triple::x86_64:
+ this->HasFloat128 = true;
+ break;
+ }
+ }
};
// Linux target
diff --git a/clang/test/CodeGenCXX/float128-declarations.cpp
b/clang/test/CodeGenCXX/float128-declarations.cpp
index 84b8f7f33036b..0f2e82bbfcd43 100644
--- a/clang/test/CodeGenCXX/float128-declarations.cpp
+++ b/clang/test/CodeGenCXX/float128-declarations.cpp
@@ -6,6 +6,10 @@
// RUN: %s -o - | FileCheck %s -check-prefix=CHECK-X86
// RUN: %clang_cc1 -emit-llvm -triple x86_64-unknown-linux-gnu -std=c++11 \
// RUN: %s -o - | FileCheck %s -check-prefix=CHECK-X86
+// RUN: %clang_cc1 -emit-llvm -triple i386-unknown-hurd-gnu -std=c++11 \
+// RUN: %s -o - | FileCheck %s -check-prefix=CHECK-X86
+// RUN: %clang_cc1 -emit-llvm -triple x86_64-unknown-hurd-gnu -std=c++11 \
+// RUN: %s -o - | FileCheck %s -check-prefix=CHECK-X86
// RUN: %clang_cc1 -emit-llvm -triple i386-unknown-freebsd -std=c++11 \
// RUN: %s -o - | FileCheck %s -check-prefix=CHECK-X86
// RUN: %clang_cc1 -emit-llvm -triple amd64-unknown-freebsd -std=c++11 \
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