1 files changed, 341 insertions, 1 deletions

diff --git a/meta/recipes-devtools/gcc/gcc-8.2/0034-libgcc-Add-knob-to-use-ldbl-128-on-ppc.patch b/meta/recipes-devtools/gcc/gcc-8.2/0034-libgcc-Add-knob-to-use-ldbl-128-on-ppc.patch
index 7a69ea2806..391cda71d7 100644
--- a/meta/recipes-devtools/gcc/gcc-8.2/0034-libgcc-Add-knob-to-use-ldbl-128-on-ppc.patch
+++ b/meta/recipes-devtools/gcc/gcc-8.2/0034-libgcc-Add-knob-to-use-ldbl-128-on-ppc.patch
@@ -37,14 +37,354 @@ diff --git a/libgcc/config/rs6000/t-linux b/libgcc/config/rs6000/t-linux
 index 4f6d4c4a4d2..c50dd94a2da 100644
 --- a/libgcc/config/rs6000/t-linux
 +++ b/libgcc/config/rs6000/t-linux
-@@ -1,3 +1,6 @@
+@@ -1,3 +1,9 @@
  SHLIB_MAPFILES += $(srcdir)/config/rs6000/libgcc-glibc.ver
  
 -HOST_LIBGCC2_CFLAGS += -mlong-double-128 -mno-minimal-toc
 +ifeq ($(with_ldbl128),yes)
 +HOST_LIBGCC2_CFLAGS += -mlong-double-128
++else
++# We do not want to build ibm-ldouble.c.
++LIB2ADD := $(filter-out %ibm-ldouble.c, $(LIB2ADD))
 +endif
 +HOST_LIBGCC2_CFLAGS += -mno-minimal-toc
+diff --git a/libgcc/config/rs6000/fixtfdi.c b/libgcc/config/rs6000/fixtfdi.c
+--- a/libgcc/config/rs6000/fixtfdi.c    1969-12-31 19:00:00.000000000 -0500
++++ b/libgcc/config/rs6000/fixtfdi.c    2018-12-12 17:54:50.110755540 -0500
+@@ -0,0 +1,42 @@
++/* Software floating-point emulation.
++   Convert a to 64bit signed integer
++   Copyright (C) 1997-2016 Free Software Foundation, Inc.
++   This file is part of the GNU C Library.
++   Contributed by Richard Henderson (rth@cygnus.com) and
++                 Jakub Jelinek (jj@ultra.linux.cz).
++
++   The GNU C Library is free software; you can redistribute it and/or
++   modify it under the terms of the GNU Lesser General Public
++   License as published by the Free Software Foundation; either
++   version 2.1 of the License, or (at your option) any later version.
++
++   In addition to the permissions in the GNU Lesser General Public
++   License, the Free Software Foundation gives you unlimited
++   permission to link the compiled version of this file into
++   combinations with other programs, and to distribute those
++   combinations without any restriction coming from the use of this
++   file.  (The Lesser General Public License restrictions do apply in
++   other respects; for example, they cover modification of the file,
++   and distribution when not linked into a combine executable.)
++
++   The GNU C Library is distributed in the hope that it will be useful,
++   but WITHOUT ANY WARRANTY; without even the implied warranty of
++   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
++   Lesser General Public License for more details.
++
++   You should have received a copy of the GNU Lesser General Public
++   License along with the GNU C Library; if not, see
++   <http://www.gnu.org/licenses/>.  */
++
++#ifdef _ARCH_PPC64
++#include "soft-fp.h"
++#include "quad-float128.h"
++
++DItype
++__fixtfdi (TFtype a)
++{
++  if (a < 0)
++    return - __fixunstfdi (-a);
++  return __fixunstfdi (a);
++}
++#endif
+diff --git a/libgcc/config/rs6000/fixunstfdi.c b/libgcc/config/rs6000/fixunstfdi.c
+--- a/libgcc/config/rs6000/fixunstfdi.c 1969-12-31 19:00:00.000000000 -0500
++++ b/libgcc/config/rs6000/fixunstfdi.c 2018-12-12 17:56:06.141654537 -0500
+@@ -0,0 +1,58 @@
++/* Software floating-point emulation.
++   Convert a to 64bit unsigned integer
++   Copyright (C) 1997-2016 Free Software Foundation, Inc.
++   This file is part of the GNU C Library.
++   Contributed by Richard Henderson (rth@cygnus.com) and
++                 Jakub Jelinek (jj@ultra.linux.cz).
++
++   The GNU C Library is free software; you can redistribute it and/or
++   modify it under the terms of the GNU Lesser General Public
++   License as published by the Free Software Foundation; either
++   version 2.1 of the License, or (at your option) any later version.
++
++   In addition to the permissions in the GNU Lesser General Public
++   License, the Free Software Foundation gives you unlimited
++   permission to link the compiled version of this file into
++   combinations with other programs, and to distribute those
++   combinations without any restriction coming from the use of this
++   file.  (The Lesser General Public License restrictions do apply in
++   other respects; for example, they cover modification of the file,
++   and distribution when not linked into a combine executable.)
++
++   The GNU C Library is distributed in the hope that it will be useful,
++   but WITHOUT ANY WARRANTY; without even the implied warranty of
++   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
++   Lesser General Public License for more details.
++
++   You should have received a copy of the GNU Lesser General Public
++   License along with the GNU C Library; if not, see
++   <http://www.gnu.org/licenses/>.  */
++
++#ifdef _ARCH_PPC64
++#include "soft-fp.h"
++#include "quad-float128.h"
++
++DItype
++__fixunstfdi (TFtype a)
++{
++  if (a < 0)
++    return 0;
++
++  /* Compute high word of result, as a flonum.  */
++  const TFtype b = (a / (((UDItype) 1) << (sizeof (SItype) * 8)));
++  /* Convert that to fixed (but not to DItype!),
++     and shift it into the high word.  */
++  UDItype v = (USItype) b;
++  v <<= (sizeof (SItype) * 8);
++  /* Remove high part from the TFtype, leaving the low part as flonum.  */
++  a -= (TFtype) v;
++  /* Convert that to fixed (but not to DItype!) and add it in.
++     Sometimes A comes out negative.  This is significant, since
++     A has more bits than a long int does.  */
++  if (a < 0)
++    v -= (USItype) (-a);
++  else
++    v += (USItype) a;
++  return v;
++}
++#endif
+diff --git a/libgcc/config/rs6000/floatditf.c b/libgcc/config/rs6000/floatditf.c
+--- a/libgcc/config/rs6000/floatditf.c  1969-12-31 19:00:00.000000000 -0500
++++ b/libgcc/config/rs6000/floatditf.c  2018-12-12 17:57:55.852953553 -0500
+@@ -0,0 +1,47 @@
++/* Software floating-point emulation.
++   Convert a 64bit signed integer to IEEE quad
++   Copyright (C) 1997-2016 Free Software Foundation, Inc.
++   This file is part of the GNU C Library.
++   Contributed by Richard Henderson (rth@cygnus.com) and
++                 Jakub Jelinek (jj@ultra.linux.cz).
++
++   The GNU C Library is free software; you can redistribute it and/or
++   modify it under the terms of the GNU Lesser General Public
++   License as published by the Free Software Foundation; either
++   version 2.1 of the License, or (at your option) any later version.
++
++   In addition to the permissions in the GNU Lesser General Public
++   License, the Free Software Foundation gives you unlimited
++   permission to link the compiled version of this file into
++   combinations with other programs, and to distribute those
++   combinations without any restriction coming from the use of this
++   file.  (The Lesser General Public License restrictions do apply in
++   other respects; for example, they cover modification of the file,
++   and distribution when not linked into a combine executable.)
++
++   The GNU C Library is distributed in the hope that it will be useful,
++   but WITHOUT ANY WARRANTY; without even the implied warranty of
++   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
++   Lesser General Public License for more details.
++
++   You should have received a copy of the GNU Lesser General Public
++   License along with the GNU C Library; if not, see
++   <http://www.gnu.org/licenses/>.  */
++
++#ifdef _ARCH_PPC64
++#include "soft-fp.h"
++#include "double.h"
++#include "quad-float128.h"
++
++TFtype
++__floatditf (DItype u)
++{
++  DFtype dh, dl;
++
++  dh = (SItype) (u >> (sizeof (SItype) * 8));
++  dh *= 2.0 * (((UDItype) 1) << ((sizeof (SItype) * 8) - 1));
++  dl = (USItype) (u & ((((UDItype) 1) << (sizeof (SItype) * 8)) - 1));
++
++  return (TFtype) dh + (TFtype) dl;
++}
++#endif
+diff --git a/libgcc/config/rs6000/floatunditf.c b/libgcc/config/rs6000/floatunditf.c
+--- a/libgcc/config/rs6000/floatunditf.c        1969-12-31 19:00:00.000000000 -0500
++++ b/libgcc/config/rs6000/floatunditf.c        2018-12-12 17:57:15.262473574 -0500
+@@ -0,0 +1,47 @@
++/* Software floating-point emulation.
++   Convert a 64bit unsigned integer to IEEE quad
++   Copyright (C) 1997-2016 Free Software Foundation, Inc.
++   This file is part of the GNU C Library.
++   Contributed by Richard Henderson (rth@cygnus.com) and
++                 Jakub Jelinek (jj@ultra.linux.cz).
++
++   The GNU C Library is free software; you can redistribute it and/or
++   modify it under the terms of the GNU Lesser General Public
++   License as published by the Free Software Foundation; either
++   version 2.1 of the License, or (at your option) any later version.
++
++   In addition to the permissions in the GNU Lesser General Public
++   License, the Free Software Foundation gives you unlimited
++   permission to link the compiled version of this file into
++   combinations with other programs, and to distribute those
++   combinations without any restriction coming from the use of this
++   file.  (The Lesser General Public License restrictions do apply in
++   other respects; for example, they cover modification of the file,
++   and distribution when not linked into a combine executable.)
++
++   The GNU C Library is distributed in the hope that it will be useful,
++   but WITHOUT ANY WARRANTY; without even the implied warranty of
++   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
++   Lesser General Public License for more details.
++
++   You should have received a copy of the GNU Lesser General Public
++   License along with the GNU C Library; if not, see
++   <http://www.gnu.org/licenses/>.  */
++
++#ifdef _ARCH_PPC64
++#include "soft-fp.h"
++#include "double.h"
++#include "quad-float128.h"
++
++TFtype
++__floatunditf (UDItype u)
++{
++  DFtype dh, dl;
++
++  dh = (USItype) (u >> (sizeof (SItype) * 8));
++  dh *= 2.0 * (((UDItype) 1) << ((sizeof (SItype) * 8) - 1));
++  dl = (USItype) (u & ((((UDItype) 1) << (sizeof (SItype) * 8)) - 1));
++
++  return (TFtype) dh + (TFtype) dl;
++}
++#endif
+diff --git a/libgcc/config/rs6000/ppc64-fp.c b/libgcc/config/rs6000/ppc64-fp.c
+--- a/libgcc/config/rs6000/ppc64-fp.c   2018-12-12 17:53:49.540038500 -0500
++++ b/libgcc/config/rs6000/ppc64-fp.c   2018-12-12 17:49:51.897235314 -0500
+@@ -25,34 +25,21 @@
+ <http://www.gnu.org/licenses/>.  */
+ 
+ #if defined(__powerpc64__) || defined (__64BIT__) || defined(__ppc64__)
+-#define TMODES
+ #include "fp-bit.h"
+ 
+-extern DItype __fixtfdi (TFtype);
+ extern DItype __fixdfdi (DFtype);
+ extern DItype __fixsfdi (SFtype);
+ extern USItype __fixunsdfsi (DFtype);
+ extern USItype __fixunssfsi (SFtype);
+-extern TFtype __floatditf (DItype);
+-extern TFtype __floatunditf (UDItype);
+ extern DFtype __floatdidf (DItype);
+ extern DFtype __floatundidf (UDItype);
+ extern SFtype __floatdisf (DItype);
+ extern SFtype __floatundisf (UDItype);
+-extern DItype __fixunstfdi (TFtype);
+ 
+ static DItype local_fixunssfdi (SFtype);
+ static DItype local_fixunsdfdi (DFtype);
+ 
+ DItype
+-__fixtfdi (TFtype a)
+-{
+-  if (a < 0)
+-    return - __fixunstfdi (-a);
+-  return __fixunstfdi (a);
+-}
+-
+-DItype
+ __fixdfdi (DFtype a)
+ {
+   if (a < 0)
+@@ -86,30 +73,6 @@
+   return (SItype) a;
+ }
+ 
+-TFtype
+-__floatditf (DItype u)
+-{
+-  DFtype dh, dl;
+-
+-  dh = (SItype) (u >> (sizeof (SItype) * 8));
+-  dh *= 2.0 * (((UDItype) 1) << ((sizeof (SItype) * 8) - 1));
+-  dl = (USItype) (u & ((((UDItype) 1) << (sizeof (SItype) * 8)) - 1));
+-
+-  return (TFtype) dh + (TFtype) dl;
+-}
+-
+-TFtype
+-__floatunditf (UDItype u)
+-{
+-  DFtype dh, dl;
+-
+-  dh = (USItype) (u >> (sizeof (SItype) * 8));
+-  dh *= 2.0 * (((UDItype) 1) << ((sizeof (SItype) * 8) - 1));
+-  dl = (USItype) (u & ((((UDItype) 1) << (sizeof (SItype) * 8)) - 1));
+-
+-  return (TFtype) dh + (TFtype) dl;
+-}
+-
+ DFtype
+ __floatdidf (DItype u)
+ {
+@@ -183,30 +146,6 @@
+   return (SFtype) f;
+ }
+ 
+-DItype
+-__fixunstfdi (TFtype a)
+-{
+-  if (a < 0)
+-    return 0;
+-
+-  /* Compute high word of result, as a flonum.  */
+-  const TFtype b = (a / (((UDItype) 1) << (sizeof (SItype) * 8)));
+-  /* Convert that to fixed (but not to DItype!),
+-     and shift it into the high word.  */
+-  UDItype v = (USItype) b;
+-  v <<= (sizeof (SItype) * 8);
+-  /* Remove high part from the TFtype, leaving the low part as flonum.  */
+-  a -= (TFtype) v;
+-  /* Convert that to fixed (but not to DItype!) and add it in.
+-     Sometimes A comes out negative.  This is significant, since
+-     A has more bits than a long int does.  */
+-  if (a < 0)
+-    v -= (USItype) (-a);
+-  else
+-    v += (USItype) a;
+-  return v;
+-}
+-
+ /* This version is needed to prevent recursion; fixunsdfdi in libgcc
+    calls fixdfdi, which in turn calls calls fixunsdfdi.  */
+ 
+diff --git a/libgcc/config/rs6000/quad-float128.h b/libgcc/config/rs6000/quad-float128.h
+--- a/libgcc/config/rs6000/quad-float128.h      2018-12-12 17:53:49.540038500 -0500
++++ b/libgcc/config/rs6000/quad-float128.h      2018-12-12 17:30:19.423468244 -0500
+@@ -104,6 +104,11 @@
+ extern UTItype_ppc __fixunskfti (TFtype);
+ extern TFtype __floattikf (TItype_ppc);
+ extern TFtype __floatuntikf (UTItype_ppc);
++
++extern DItype_ppc __fixtfdi (TFtype);
++extern DItype_ppc __fixunstfdi (TFtype);
++extern TFtype __floatditf (DItype_ppc);
++extern TFtype __floatunditf (UDItype_ppc);
+ #endif
+ 
+ /* Functions using the ISA 3.0 hardware support.  If the code is compiled with
+diff --git a/libgcc/config/rs6000/t-float128 b/libgcc/config/rs6000/t-float128
+--- a/libgcc/config/rs6000/t-float128   2018-12-12 17:53:49.540038500 -0500
++++ b/libgcc/config/rs6000/t-float128   2018-12-12 17:45:12.233937136 -0500
+@@ -24,6 +24,7 @@
+ 
+ # New functions for software emulation
+ fp128_ppc_funcs                = floattikf floatuntikf fixkfti fixunskfti \
++                         floatditf floatunditf fixtfdi fixunstfdi \
+                          extendkftf2-sw trunctfkf2-sw \
+                          sfp-exceptions _mulkc3 _divkc3 _powikf2
+ 
+
 diff --git a/libgcc/configure b/libgcc/configure
 old mode 100644
 new mode 100755