Re: [PATCH] Use cmp_return_mode for fp libcall compare modes and set up the two mode new attributes for SPU

["Andrew Pinski" <pinskia at gmail dot com>]

Ping?

On 7/26/07, Andrew_Pinski@playstation.sony.com
<Andrew_Pinski@playstation.sony.com> wrote:
> Hi,
>   When http://gcc.gnu.org/ml/gcc-patches/2007-06/msg02034.html went in, it
> had missed that fp/dfp compares where done in a different function than
> prepare_cmp_insn so the word mode was still being used.  This patch fixes
> that problem up and makes the spu set up the two mode attributes to SImode
> (spu-elf's word mode is TImode but TImode is not very efficient on SPU).
>
> OK? Bootstrapped and tested on powerpc64-linux-gnu with no regressions and
> built for spu-elf with no regressions and a couple of the ieee/fp-cmp*
> tests now pass.
>
> Thanks,
> Andrew Pinski
>
> ChangeLog:
>
>         * optabs.c (prepare_float_lib_cmp): Use
>         libgcc_cmp_return_mode instead of word_mode.
>         * config/dfp-bit.h: Likewise.
>         * config/fp-bit.h: Likewise.
>         * config/spu/spu.c (spu_libgcc_cmp_return_mode):
>         New function.
>         (spu_libgcc_shift_count_mode): New function.
>         (TARGET_LIBGCC_CMP_RETURN_MODE): Define.
>         (TARGET_LIBGCC_SHIFT_COUNT_MODE): Define.
>
>
>

Attachment: fixspufpcmp.diff.txt
Description: Text document