On Sat, Mar 27, 2021 at 04:07:18PM +0100, Florian Weimer wrote:
> This issue is still present.
>
> What about the patch below?
>
> Thanks,
> Florian
>
> rs6000: Do not build _Float128/Decimal routines with --disable-decimal-float
>
> Fixes commit 781183595acba67a37c66f59a0c1d9b5fee7e248 ("Add conversions
> between _Float128 and Decimal.).
>
> libgcc/
> * config/rs6000/t-float128 (fp128_ppc_funcs): Add decimal floating
> point functions for $(decimal_float) only.
>
> diff --git a/libgcc/config/rs6000/t-float128 b/libgcc/config/rs6000/t-float128
> index 6fb1a3d871b..b1f00accdf1 100644
> --- a/libgcc/config/rs6000/t-float128
> +++ b/libgcc/config/rs6000/t-float128
> @@ -37,8 +37,11 @@ ibm128_dec_funcs = _tf_to_sd _tf_to_dd _tf_to_td \
> # New functions for software emulation
> fp128_ppc_funcs = floattikf floatuntikf fixkfti fixunskfti \
> extendkftf2-sw trunctfkf2-sw \
> - sfp-exceptions _mulkc3 _divkc3 _powikf2 \
> - $(fp128_dec_funcs) $(fp128_decstr_funcs)
> + sfp-exceptions _mulkc3 _divkc3 _powikf2
> +
> +ifeq ($(decimal_float),yes)
> +fp128_ppc_funcs += $(fp128_dec_funcs) $(fp128_decstr_funcs)
> +endif
>
> fp128_ppc_src = $(addprefix
> $(srcdir)/config/rs6000/,$(addsuffix \
> .c,$(fp128_ppc_funcs)))
>
That patch looks ok (assuming you've tested it). There are still the wider
issues that Segher wanted addressed, but it should fix the problem with
disabling decimal float.
--
Michael Meissner, IBM
IBM, M/S 2506R, 550 King Street, Littleton, MA 01460-6245, USA
email: meiss...@linux.ibm.com, phone: +1 (978) 899-4797
