Author: Sean Perry Date: 2025-06-26T15:21:04-04:00 New Revision: a0c5f1992d2188dd58987445aa00a55edad2357f
URL: https://github.com/llvm/llvm-project/commit/a0c5f1992d2188dd58987445aa00a55edad2357f DIFF: https://github.com/llvm/llvm-project/commit/a0c5f1992d2188dd58987445aa00a55edad2357f.diff LOG: [SystemZ][zOS] disable _Float16 support on z/OS (#145532) The new half float type (aka _Float16 ) isn't supported on z/OS. Added: Modified: clang/lib/Basic/Targets/SystemZ.h clang/test/Sema/Float16.c clang/test/SemaCXX/Float16.cpp Removed: ################################################################################ diff --git a/clang/lib/Basic/Targets/SystemZ.h b/clang/lib/Basic/Targets/SystemZ.h index 1af6122c7048b..7f7dcf815bd8f 100644 --- a/clang/lib/Basic/Targets/SystemZ.h +++ b/clang/lib/Basic/Targets/SystemZ.h @@ -90,6 +90,8 @@ class LLVM_LIBRARY_VISIBILITY SystemZTargetInfo : public TargetInfo { resetDataLayout("E-m:l-p1:32:32-i1:8:16-i8:8:16-i64:64-f128:64-v128:64-" "a:8:16-n32:64"); } else { + // Support _Float16. + HasFloat16 = true; TLSSupported = true; resetDataLayout("E-m:e-i1:8:16-i8:8:16-i64:64-f128:64" "-v128:64-a:8:16-n32:64"); @@ -103,8 +105,6 @@ class LLVM_LIBRARY_VISIBILITY SystemZTargetInfo : public TargetInfo { // and instead the backend will promote each half operation to float // individually. HasLegalHalfType = false; - // Support _Float16. - HasFloat16 = true; HasStrictFP = true; } diff --git a/clang/test/Sema/Float16.c b/clang/test/Sema/Float16.c index 9269a0ded4eb9..2830213b6099f 100644 --- a/clang/test/Sema/Float16.c +++ b/clang/test/Sema/Float16.c @@ -6,6 +6,7 @@ // RUN: %clang_cc1 -fsyntax-only -verify -triple aarch64-linux-gnu %s -DHAVE // RUN: %clang_cc1 -fsyntax-only -verify -triple riscv32 %s -DHAVE // RUN: %clang_cc1 -fsyntax-only -verify -triple riscv64 %s -DHAVE +// RUN: %clang_cc1 -fsyntax-only -verify -triple s390x-ibm-zos %s #ifndef HAVE // expected-error@+2{{_Float16 is not supported on this target}} diff --git a/clang/test/SemaCXX/Float16.cpp b/clang/test/SemaCXX/Float16.cpp index 61b02a50687b9..9646a8d0c317f 100644 --- a/clang/test/SemaCXX/Float16.cpp +++ b/clang/test/SemaCXX/Float16.cpp @@ -4,7 +4,7 @@ // RUN: %clang_cc1 -fsyntax-only -verify -triple spir-unknown-unknown %s -DHAVE // RUN: %clang_cc1 -fsyntax-only -verify -triple armv7a-linux-gnu %s -DHAVE // RUN: %clang_cc1 -fsyntax-only -verify -triple aarch64-linux-gnu %s -DHAVE - +// RUN: %clang_cc1 -fsyntax-only -verify -triple s390x-ibm-zos %s #ifdef HAVE // expected-no-diagnostics #endif // HAVE _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
