On Mon, Jul 6, 2015 at 6:43 PM, H.J. Lu <hongjiu...@intel.com> wrote:
> Default -mtune=/-march= to iamcu for i[34567]86-*-elfiamcu targets.
>
> OK for trunk?
>
> Thanks.
>
> H.J.
> ---
> * config.gcc (x86_archs): Add iamcu.
> (with_cpu): Default to iamcu for i[34567]86-*-elfiamcu.
> (with_arch): Likewise.
> * doc/invoke.texi: Add iamcu.
OK.
Thanks,
Uros.
> ---
> gcc/config.gcc | 8 +++++++-
> gcc/doc/invoke.texi | 3 +++
> 2 files changed, 10 insertions(+), 1 deletion(-)
>
> diff --git a/gcc/config.gcc b/gcc/config.gcc
> index 2b3af82..f0405fe 100644
> --- a/gcc/config.gcc
> +++ b/gcc/config.gcc
> @@ -585,7 +585,7 @@ tm_defines="$tm_defines LIBC_GLIBC=1 LIBC_UCLIBC=2
> LIBC_BIONIC=3 LIBC_MUSL=4"
> x86_archs="athlon athlon-4 athlon-fx athlon-mp athlon-tbird \
> athlon-xp k6 k6-2 k6-3 geode c3 c3-2 winchip-c6 winchip2 i386 i486 \
> i586 i686 pentium pentium-m pentium-mmx pentium2 pentium3 pentium3m \
> -pentium4 pentium4m pentiumpro prescott"
> +pentium4 pentium4m pentiumpro prescott iamcu"
>
> # 64-bit x86 processors supported by --with-arch=. Each processor
> # MUST be separated by exactly one space.
> @@ -3278,6 +3278,9 @@ esac
> # This block sets nothing except for with_cpu.
> if test x$with_cpu = x ; then
> case ${target} in
> + i[34567]86-*-elfiamcu)
> + with_cpu=iamcu
> + ;;
> i[34567]86-*-*|x86_64-*-*)
> with_cpu=$cpu
> ;;
> @@ -3370,6 +3373,9 @@ if test x$with_arch = x ; then
> # Default arch is set via TARGET_SUBTARGET32_ISA_DEFAULT
> # and TARGET_SUBTARGET64_ISA_DEFAULT in config/i386/darwin.h.
> ;;
> + i[34567]86-*-elfiamcu)
> + with_arch=iamcu
> + ;;
> i[34567]86-*-*)
> # --with-fpmath sets the default ISA to SSE2, which is the same
> # ISA supported by Pentium 4.
> diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
> index 69ae0c3..b28e5d6 100644
> --- a/gcc/doc/invoke.texi
> +++ b/gcc/doc/invoke.texi
> @@ -22250,6 +22250,9 @@ Intel i486 CPU@. (No scheduling is implemented for
> this chip.)
> @itemx pentium
> Intel Pentium CPU with no MMX support.
>
> +@item iamcu
> +Intel MCU, based on Intel Pentium CPU.
> +
> @item pentium-mmx
> Intel Pentium MMX CPU, based on Pentium core with MMX instruction set
> support.
>
> --
> 2.4.3
>
