Dear Wolfgang Denk,
In message <1324564181-8949-1-git-send-email...@denx.de> you wrote:
> It appears that with recent versions of GCC the explicit
> "-mhard-float" command line option takes precedence over the
> ``asm(".gnu_attribute 4, 2");'' in the source file, so this no longer
> helps to avoid the warnings we get when linking code that uses FP
> instructions with other code that was built using soft-float.
>
> We can remove the ".gnu_attribute" (which appears to carry no other
> information, at least so far) from the object files, but we also have
> to make sure we don't pull in the __gcc_qsub() and __gcc_qmul()
> functions from the standard libgcc, as these would again "infect" our
> linking. We copy this code from:
> gcc-4.2.2/gcc/config/rs6000/darwin-ldouble.c
> This old version was chosen because it was still available under a
> compatible license (GCC v2+). The file was stripped down to the
> needed parts, and reformatted so it passes checkpatch with only one
> warning (do not add new typedefs).
>
> Signed-off-by: Wolfgang Denk <w...@denx.de>
> Cc: Kumar Gala <ga...@kernel.crashing.org>
> Cc: Stefan Roese <s...@denx.de>
> Cc: Andy Fleming <aflem...@gmail.com>
> Cc: Kim Phillips <kim.phill...@freescale.com>
> ---
> This patch silences build warnings for the following boards:
> aev BC3450 charon, cm5200 fo300 korat korat_perm lwmon5 MiniFAP
> PMC440 sacsng sequoia sequoia_nand sequoia_ramboot TB5200 TB5200_B
> TQM5200 TQM5200_B TQM5200_B_HIGHBOOT TQM5200S TQM5200S_HIGHBOOT
> TQM5200_STK100
>
> post/lib_powerpc/fpu/Makefile | 17 ++++-
> post/lib_powerpc/fpu/darwin-ldouble.c | 141
> +++++++++++++++++++++++++++++++++
> 2 files changed, 156 insertions(+), 2 deletions(-)
> create mode 100644 post/lib_powerpc/fpu/darwin-ldouble.c
Applied, thanks.
Best regards,
Wolfgang Denk
--
DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: w...@denx.de
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