On Thu, 2 Feb 2017, Palmer Dabbelt wrote:
> +@table @gcctabopt
> +@item -mbranch-cost=@var{N}
> +@opindex mbranch-cost
> +Set the cost of branches to roughly N instructions.
@var{n} (both places; Texinfo may convert to uppercase depending on the
output format).
> +@item -mplt
> +@itemx -mno-plt
> +@opindex plt
> +When generating -fpic code, allow the use of PLTs. Ignored for fno-pic.
@option{-fpic}, @option{-fno-pic} (or, better, say PIC and non-PIC rather
than referring to just one of the options for controlling PIC).
> +natural calling convention: eg LP64 for RV64I, ILP32 for RV32I, LP64D for
e.g.@: (see codingconventions.html).
> +Generate code for given RISC-V ISA (e.g. rv64im). ISA strings must be
Likewise.
> +lower-case. Examples include "rv64i", "rv32g", and "rv32imaf".
@samp{rv64i}, etc.
> +@item -msmall-data-limit=@var{N}
> +@opindex msmall-data-limit
> +Put global and static data smaller than @var{N} bytes into a special section
> +(on some targets).
@var{n}, again.
--
Joseph S. Myers
jos...@codesourcery.com
