================
@@ -29,6 +29,14 @@ void BPFTargetInfo::getTargetDefines(const LangOptions &Opts,
MacroBuilder &Builder) const {
Builder.defineMacro("__bpf__");
Builder.defineMacro("__BPF__");
+
+ std::string CPU = getTargetOpts().CPU;
+ if (CPU == "probe")
+ Builder.defineMacro("__bpf_cpu_version__", "0");
+ else if (CPU.empty() || CPU == "generic")
+ Builder.defineMacro("__bpf_cpu_version__", "1");
+ else
+ Builder.defineMacro("__bpf_cpu_version__", CPU.substr(1));
----------------
4ast wrote:
That works and somewhat similar to other archs. Like __amdgcn_processor__.
I have slight preference to use capitol case __BPF_CPU_VERSION__.
Let's add all groups too:
HasJmpExt = true;
HasJmp32 = true;
HasAlu32 = true;
HasJmpExt = true;
HasJmp32 = true;
HasAlu32 = true;
HasLdsx = !Disable_ldsx;
HasMovsx = !Disable_movsx;
HasBswap = !Disable_bswap;
HasSdivSmod = !Disable_sdiv_smod;
HasGotol = !Disable_gotol;
arm does __ARM_FEATURE_xx.
We can do __BPF_FEATURE_ALU32, __BPF_FEATURE_GOTOL.
https://github.com/llvm/llvm-project/pull/71856
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