[Bug target/82717] [RISCV] Default value of the -mabi option doesn't match documentation

["wilson at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82717

--- Comment #8 from Jim Wilson <wilson at gcc dot gnu.org> ---
Author: wilson
Date: Thu Nov 30 18:38:26 2017
New Revision: 255281

URL: https://gcc.gnu.org/viewcvs?rev=255281&root=gcc&view=rev
Log:
Riscv doc fixes and improvements.

        gcc/
        Backport from mainline
        2017-11-30  Jim Wilson  <jimw@sifive.com>
        * doc/invoke.texi (RISC-V Options): Delete nonexistent -mmemcpy and
        -mno-memcpy options.  For -mplt, -mfdiv, -mdiv, -msave-restore, and
        -mstrict-align, add info on default value.  Delete redundant lines for
        -mabi.  Add missing -mexplicit-relocs docs.

        Backport from mainline
        2017-11-01  Palmer Dabbelt  <palmer@dabbelt.com>
        * doc/invoke.texi (RISC-V Options): Use "@minus{}2 GB", not "-2 GB".
        * doc/invoke.texi (RISC-V Options): Explicitly name the medlow
        and medany code models, and describe what they do.

        2017-10-27  Palmer Dabbelt  <palmer@dabbelt.com>
        PR target/82717
        * doc/invoke.texi (RISC-V) <-mabi>: Correct and improve.


Modified:
    branches/gcc-7-branch/gcc/ChangeLog
    branches/gcc-7-branch/gcc/doc/invoke.texi