From 97f34ad10da8f46a4a1c17af6fdb950b132e1abc Mon Sep 17 00:00:00 2001 From: Will Hawkins Date: Tue, 20 Feb 2024 13:33:38 +0100 Subject: [PATCH] bpf: Add documentation for the -mcpu option Add documentation describing the meaning and values for the -mcpu command-line option. Tested for bpf-unknown-none on x86_64-linux-gnu host. gcc/ChangeLog: * config/bpf/bpf.opt: Add help information for -mcpu. Signed-off-by: Will Hawkins --- gcc/config/bpf/bpf.opt | 2 ++ 1 file changed, 2 insertions(+) diff --git a/gcc/config/bpf/bpf.opt b/gcc/config/bpf/bpf.opt index bc5b2220116..acfddebdad7 100644 --- a/gcc/config/bpf/bpf.opt +++ b/gcc/config/bpf/bpf.opt @@ -77,9 +77,11 @@ Enable signed move and memory load instructions. mcpu= Target RejectNegative Joined Var(bpf_isa) Enum(bpf_isa) Init(ISA_V4) +Select the eBPF ISA version to target in code generation. Enum Name(bpf_isa) Type(enum bpf_isa_version) +Valid ISA versions (for use with the -mcpu= option) EnumValue Enum(bpf_isa) String(v1) Value(ISA_V1)