https://github.com/yonghong-song created https://github.com/llvm/llvm-project/pull/165456
Add a macro __BPF_FEATURE_GOTOX for bpf target for cpu v4. So the developer can easily detect whether insn gotox is supported or not. >From 9cedf756afff96c3d1141fdfc68380b6d90d1e20 Mon Sep 17 00:00:00 2001 From: Yonghong Song <[email protected]> Date: Tue, 28 Oct 2025 11:33:31 -0700 Subject: [PATCH] [Clang][BPF] Add __BPF_FEATURE_GOTOX Add a macro __BPF_FEATURE_GOTOX for bpf target for cpu v4. So the developer can easily detect whether insn gotox is supported or not. --- clang/lib/Basic/Targets/BPF.cpp | 1 + clang/test/Preprocessor/bpf-predefined-macros.c | 4 ++++ 2 files changed, 5 insertions(+) diff --git a/clang/lib/Basic/Targets/BPF.cpp b/clang/lib/Basic/Targets/BPF.cpp index 0411bcca51789..8de1083d758c7 100644 --- a/clang/lib/Basic/Targets/BPF.cpp +++ b/clang/lib/Basic/Targets/BPF.cpp @@ -75,6 +75,7 @@ void BPFTargetInfo::getTargetDefines(const LangOptions &Opts, Builder.defineMacro("__BPF_FEATURE_GOTOL"); Builder.defineMacro("__BPF_FEATURE_ST"); Builder.defineMacro("__BPF_FEATURE_LOAD_ACQ_STORE_REL"); + Builder.defineMacro("__BPF_FEATURE_GOTOX"); } } diff --git a/clang/test/Preprocessor/bpf-predefined-macros.c b/clang/test/Preprocessor/bpf-predefined-macros.c index cd8a2ec031925..a9ae8c58c3ba7 100644 --- a/clang/test/Preprocessor/bpf-predefined-macros.c +++ b/clang/test/Preprocessor/bpf-predefined-macros.c @@ -70,6 +70,9 @@ int u; #ifdef __BPF_FEATURE_LOAD_ACQ_STORE_REL int v; #endif +#ifdef __BPF_FEATURE_GOTOX +int w; +#endif // CHECK: int b; // CHECK: int c; @@ -110,6 +113,7 @@ int v; // CPU_V4: int u; // CPU_V4: int v; +// CPU_V4: int w; // CPU_GENERIC: int g; _______________________________________________ cfe-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
