libgcc/config/rs6000/float128-p10.c

   1 /* Automatic switching between software and hardware IEEE 128-bit
   2    ISA 3.1 floating-point emulation for PowerPC.
   3
   4    Copyright (C) 2016-2024 Free Software Foundation, Inc.
   5    This file is part of the GNU C Library.
   6    Contributed by Carl Love (cel@us.ibm.com)
   7    Code is based on the main soft-fp library written by:
   8         Richard Henderson (rth@cygnus.com) and
   9         Jakub Jelinek (jj@ultra.linux.cz).
  10
  11    The GNU C Library is free software; you can redistribute it and/or
  12    modify it under the terms of the GNU Lesser General Public
  13    License as published by the Free Software Foundation; either
  14    version 2.1 of the License, or (at your option) any later version.
  15
  16    In addition to the permissions in the GNU Lesser General Public
  17    License, the Free Software Foundation gives you unlimited
  18    permission to link the compiled version of this file into
  19    combinations with other programs, and to distribute those
  20    combinations without any restriction coming from the use of this
  21    file.  (The Lesser General Public License restrictions do apply in
  22    other respects; for example, they cover modification of the file,
  23    and distribution when not linked into a combine executable.)
  24
  25    The GNU C Library is distributed in the hope that it will be useful,
  26    but WITHOUT ANY WARRANTY; without even the implied warranty of
  27    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  28    Lesser General Public License for more details.
  29
  30    You should have received a copy of the GNU Lesser General Public
  31    License along with the GNU C Library; if not, see
  32    <http://www.gnu.org/licenses/>.  */
  33
  34 /* Note, the hardware conversion instructions for 128-bit integers are
  35    supported for ISA 3.1 and later.  Only compile this file with -mcpu=power10
  36    or newer support.  */
  37
  38 #include <soft-fp.h>
  39 #include <quad-float128.h>
  40
  41 #ifndef __FLOAT128_HARDWARE__
  42 #error "This module must be compiled with IEEE 128-bit hardware support"
  43 #endif
  44
  45 #ifndef _ARCH_PWR10
  46 #error "This module must be compiled for Power 10 support"
  47 #endif
  48
  49 TFtype
  50 __floattikf_hw (TItype_ppc a)
  51 {
  52   return (TFtype) a;
  53 }
  54
  55 TFtype
  56 __floatuntikf_hw (UTItype_ppc a)
  57 {
  58   return (TFtype) a;
  59 }
  60
  61 TItype_ppc
  62 __fixkfti_hw (TFtype a)
  63 {
  64   return (TItype_ppc) a;
  65 }
  66
  67 UTItype_ppc
  68 __fixunskfti_hw (TFtype a)
  69 {
  70   return (UTItype_ppc) a;
  71 }