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Subject: [Bug fortran/106579] ieee_signaling_nan problem in fortran on
 powerpc64
Date: Mon, 29 Aug 2022 10:06:13 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D106579

--- Comment #13 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-12 branch has been updated by Jakub Jelinek
<jakub@gcc.gnu.org>:

https://gcc.gnu.org/g:c5d4e67e764fb157404142cfc8d2bc4436fcf0f5

commit r12-8723-gc5d4e67e764fb157404142cfc8d2bc4436fcf0f5
Author: Jakub Jelinek <jakub@redhat.com>
Date:   Fri Aug 26 09:52:02 2022 +0200

    fortran: Expand ieee_arithmetic module's ieee_class inline [PR106579]

    The following patch expands IEEE_CLASS inline in the FE but only for the
    powerpc64le-linux IEEE quad real(kind=3D16), using the __builtin_fpclas=
sify
    builtin and explicit check of the MSB mantissa bit in place of missing
    __builtin_signbit builtin.

    2022-08-26  Jakub Jelinek  <jakub@redhat.com>

            PR fortran/106579
    gcc/fortran/
            * f95-lang.cc (gfc_init_builtin_functions): Initialize
            BUILT_IN_FPCLASSIFY.
            * libgfortran.h (IEEE_OTHER_VALUE, IEEE_SIGNALING_NAN,
            IEEE_QUIET_NAN, IEEE_NEGATIVE_INF, IEEE_NEGATIVE_NORMAL,
            IEEE_NEGATIVE_DENORMAL, IEEE_NEGATIVE_SUBNORMAL,
            IEEE_NEGATIVE_ZERO, IEEE_POSITIVE_ZERO, IEEE_POSITIVE_DENORMAL,
            IEEE_POSITIVE_SUBNORMAL, IEEE_POSITIVE_NORMAL, IEEE_POSITIVE_IN=
F):
            New enum.
            * trans-intrinsic.cc (conv_intrinsic_ieee_class): New function.
            (gfc_conv_ieee_arithmetic_function): Handle ieee_class.
    libgfortran/
            * ieee/ieee_helper.c (IEEE_OTHER_VALUE, IEEE_SIGNALING_NAN,
            IEEE_QUIET_NAN, IEEE_NEGATIVE_INF, IEEE_NEGATIVE_NORMAL,
            IEEE_NEGATIVE_DENORMAL, IEEE_NEGATIVE_SUBNORMAL,
            IEEE_NEGATIVE_ZERO, IEEE_POSITIVE_ZERO, IEEE_POSITIVE_DENORMAL,
            IEEE_POSITIVE_SUBNORMAL, IEEE_POSITIVE_NORMAL, IEEE_POSITIVE_IN=
F):
            Move to gcc/fortran/libgfortran.h.

    (cherry picked from commit db630423a97ec6690a8eb0e5c3cb186c91e3740d)=