diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index b08a5eb4d73..23cc68f92b5 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -904,7 +904,8 @@ Objective-C and Objective-C++ Dialects}. @emph{eBPF Options} @gccoptlist{-mbig-endian -mlittle-endian -mkernel=@var{version} --mframe-limit=@var{bytes} -mxbpf -mco-re -mno-co-re} +-mframe-limit=@var{bytes} -mxbpf -mco-re -mno-co-re +-mjmpext -mjmp32 -malu32 -mcpu=@var{version}} @emph{FR30 Options} @gccoptlist{-msmall-model -mno-lsim} @@ -22671,6 +22672,42 @@ Generate code for a big-endian target. @opindex mlittle-endian Generate code for a little-endian target. This is the default. +@item -mjmpext +@opindex mjmpext +Enable generation of extra conditional-branch instructions. +Enabled for CPU v2 and above. + +@item -mjmp32 +@opindex mjmp32 +Enable 32-bit jump instructions. Enabled for CPU v3 and above. + +@item -malu32 +@opindex malu32 +Enable 32-bit ALU instructions. Enabled for CPU v3 and above. + +@item -mcpu=@var{version} +@opindex mcpu +This specifies which version of the eBPF ISA to target. Newer versions +may not be supported by all kernels. The default is @samp{v3}. + +Supported values for @var{version} are: + +@table @samp +@item v1 +The first stable eBPF ISA with no special features or extensions. + +@item v2 +Supports the jump extensions, as in @option{-mjmpext}. + +@item v3 +All features of v2, plus: +@itemize @minus +@item 32-bit jump operations, as in @option{-mjmp32} +@item 32-bit ALU operations, as in @option{-malu32} +@end itemize + +@end table + @item -mco-re @opindex mco-re Enable BPF Compile Once - Run Everywhere (CO-RE) support. Requires and