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From FEDORA_PATCHES Mon Sep 17 00:00:00 2001
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From: Keith Seitz <keiths@redhat.com>
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Date: Fri, 11 Jan 2019 17:02:14 -0500
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Subject: gdb-rhbz1187581-power8-regs-not-in-8.2-05of15.patch
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;; Add decfloat registers to float reggroup
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;; Pedro Franco de Carvalho, RH BZ 1187581
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Add decfloat registers to float reggroup
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This patch changes default_register_reggroup_p to return true when the
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register type is decimal floating point and the reggroup is
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float_reggroup.
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gdb/ChangeLog:
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2018-10-26 Pedro Franco de Carvalho <pedromfc@linux.ibm.com>
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* reggroups.c (default_register_reggroup_p): Return true for
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decfloat registers and float_reggroup.
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diff --git a/gdb/reggroups.c b/gdb/reggroups.c
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--- a/gdb/reggroups.c
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+++ b/gdb/reggroups.c
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@@ -202,7 +202,9 @@ default_register_reggroup_p (struct gdbarch *gdbarch, int regnum,
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if (group == all_reggroup)
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return 1;
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vector_p = TYPE_VECTOR (register_type (gdbarch, regnum));
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- float_p = TYPE_CODE (register_type (gdbarch, regnum)) == TYPE_CODE_FLT;
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+ float_p = (TYPE_CODE (register_type (gdbarch, regnum)) == TYPE_CODE_FLT
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+ || (TYPE_CODE (register_type (gdbarch, regnum))
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+ == TYPE_CODE_DECFLOAT));
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raw_p = regnum < gdbarch_num_regs (gdbarch);
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if (group == float_reggroup)
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return float_p;
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