config.gcc: Don't include the makefile fragments intended for libgcc.

2009-10-07  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config.gcc: Don't include the makefile fragments intended for
	libgcc.
	* config/s390/fixdfdi.h: File removed.
	* config/s390/libgcc-glibc.ver: File removed.
	* config/s390/s390.h: Remove the fixdfdi.h hack.
	* config/s390/t-crtstuff: File moved to libgcc dir.
	* config/s390/t-linux: Likewise.
	* config/s390/t-tpf: libgcc specific parts removed.
	* config/s390/t-linux64: Likewise.

2009-10-07  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config.host: Include the s390 makefile fragments.
	* config/s390/32/_fixdfdi.c: New file.
	* config/s390/32/_fixsfdi.c: New file.
	* config/s390/32/_fixtfdi.c: New file.
	* config/s390/32/_fixunsdfdi.c: New file.
	* config/s390/32/_fixunssfdi.c: New file.
	* config/s390/32/_fixunstfdi.c: New file.
	* config/s390/32/t-floattodi: New file.
	* config/s390/libgcc-glibc.ver: New file.
	* config/s390/t-crtstuff: New file.
	* config/s390/t-linux: New file.
	* config/s390/t-tpf: New file.

From-SVN: r152515

9 files changed, 13 insertions, 609 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index faebb39..eb905bb 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,15 @@
+2009-10-07  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
+
+	* config.gcc: Don't include the makefile fragments intended for
+	libgcc.
+	* config/s390/fixdfdi.h: File removed.
+	* config/s390/libgcc-glibc.ver: File removed.
+	* config/s390/s390.h: Remove the fixdfdi.h hack.
+	* config/s390/t-crtstuff: File moved to libgcc dir.
+	* config/s390/t-linux: Likewise.
+	* config/s390/t-tpf: libgcc specific parts removed.
+	* config/s390/t-linux64: Likewise.
+
 2009-10-06  Jerry Quinn  <jlquinn@optonline.net>
 
 	* Makefile.in (lto-wrapper): Use COMPILER and ALL_COMPILERFLAGS.
diff --git a/gcc/config.gcc b/gcc/config.gcc
index 9e3ada7..8f794d4 100644
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -2079,7 +2079,6 @@ rs6000-ibm-aix[6789].* | powerpc-ibm-aix[6789].*)
 	;;
 s390-*-linux*)
 	tm_file="s390/s390.h dbxelf.h elfos.h svr4.h linux.h glibc-stdint.h s390/linux.h"
-	tmake_file="${tmake_file} t-dfprules s390/t-crtstuff s390/t-linux"
 	;;
 s390x-*-linux*)
 	tm_file="s390/s390x.h s390/s390.h dbxelf.h elfos.h svr4.h linux.h glibc-stdint.h s390/linux.h"
@@ -2087,7 +2086,7 @@ s390x-*-linux*)
 	md_file=s390/s390.md
 	extra_modes=s390/s390-modes.def
 	out_file=s390/s390.c
-	tmake_file="${tmake_file} t-dfprules s390/t-crtstuff s390/t-linux s390/t-linux64"
+	tmake_file="${tmake_file} s390/t-linux64"
 	;;
 s390x-ibm-tpf*)
         tm_file="s390/s390x.h s390/s390.h dbxelf.h elfos.h svr4.h s390/tpf.h"
@@ -2096,7 +2095,6 @@ s390x-ibm-tpf*)
         extra_modes=s390/s390-modes.def
         out_file=s390/s390.c
         extra_parts="crtbeginS.o crtendS.o"
-        tmake_file="s390/t-crtstuff s390/t-tpf"
         thread_file='tpf'
 	extra_options="${extra_options} s390/tpf.opt"
 	;;
diff --git a/gcc/config/s390/fixdfdi.h b/gcc/config/s390/fixdfdi.h
deleted file mode 100644
index ddddf3a..0000000
--- a/gcc/config/s390/fixdfdi.h
+++ /dev/null
@@ -1,462 +0,0 @@
-/* Definitions of target machine for GNU compiler, for IBM S/390
-   Copyright (C) 1999, 2000, 2001, 2007, 2008 Free Software Foundation, Inc.
-   Contributed by Hartmut Penner (hpenner@de.ibm.com) and
-                  Ulrich Weigand (uweigand@de.ibm.com).
-
-This file is part of GCC.
-
-GCC is free software; you can redistribute it and/or modify it under
-the terms of the GNU General Public License as published by the Free
-Software Foundation; either version 3, or (at your option) any later
-version.
-
-GCC 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 General Public License
-for more details.
-
-You should have received a copy of the GNU General Public License
-along with GCC; see the file COPYING3.  If not see
-<http://www.gnu.org/licenses/>.  */
-
-#ifdef L_fixunstfdi
-
-#define EXPD(fp)	   (((fp.l.i[0]) >> 16) & 0x7FFF)
-#define EXPONENT_BIAS	   16383
-#define MANTISSA_BITS      112
-#define PRECISION          (MANTISSA_BITS + 1)
-#define SIGNBIT		   0x80000000
-#define SIGND(fp)	   ((fp.l.i[0]) & SIGNBIT)
-#define MANTD_HIGH_LL(fp)  ((fp.ll[0] & HIGH_LL_FRAC_MASK) | HIGH_LL_UNIT_BIT)
-#define MANTD_LOW_LL(fp)   (fp.ll[1])
-#define FRACD_ZERO_P(fp)   (!fp.ll[1] && !(fp.ll[0] & HIGH_LL_FRAC_MASK))
-#define HIGH_LL_FRAC_BITS  48
-#define HIGH_LL_UNIT_BIT   ((UDItype_x)1 << HIGH_LL_FRAC_BITS)
-#define HIGH_LL_FRAC_MASK  (HIGH_LL_UNIT_BIT - 1)
-
-typedef int DItype_x __attribute__ ((mode (DI)));
-typedef unsigned int UDItype_x __attribute__ ((mode (DI)));
-typedef int SItype_x __attribute__ ((mode (SI)));
-typedef unsigned int USItype_x __attribute__ ((mode (SI)));
-
-union double_long {
-  long double d;
-  struct {
-      SItype_x i[4]; /* 32 bit parts: 0 upper ... 3 lowest */
-    } l;
-  UDItype_x ll[2];   /* 64 bit parts: 0 upper, 1 lower */
-};
-
-UDItype_x __fixunstfdi (long double a1);
-
-/* convert double to unsigned int */
-UDItype_x
-__fixunstfdi (long double a1)
-{
-    register union double_long dl1;
-    register int exp;
-    register UDItype_x l;
-
-    dl1.d = a1;
-
-    /* +/- 0, denormalized, negative */
-    if (!EXPD (dl1) || SIGND(dl1))
-      return 0;
-
-    /* The exponent - considered the binary point at the right end of
-       the mantissa.  */
-    exp = EXPD (dl1) - EXPONENT_BIAS - MANTISSA_BITS;
-
-    /* number < 1: If the mantissa would need to be right-shifted more bits than
-       its size (plus the implied one bit on the left) the result would be
-       zero.  */
-    if (exp <= -PRECISION)
-      return 0;
-
-    /* NaN: All exponent bits set and a nonzero fraction.  */
-    if ((EXPD(dl1) == 0x7fff) && !FRACD_ZERO_P (dl1))
-      return 0x0ULL;
-
-    /* One extra bit is needed for the unit bit which is appended by
-       MANTD_HIGH_LL on the left of the matissa.  */
-    exp += HIGH_LL_FRAC_BITS + 1;
-
-    /* If the result would still need a left shift it will be too large
-       to be represented.  */
-    if (exp > 0)
-      return 0xFFFFFFFFFFFFFFFFULL;
-
-    l = MANTD_LOW_LL (dl1) >> (HIGH_LL_FRAC_BITS + 1)
-        | MANTD_HIGH_LL (dl1) << (64 - (HIGH_LL_FRAC_BITS + 1));
-
-    return l >> -exp;
-}
-#define __fixunstfdi ___fixunstfdi
-#endif
-#undef L_fixunstfdi
-
-#ifdef L_fixtfdi
-#define EXPD(fp)	   (((fp.l.i[0]) >> 16) & 0x7FFF)
-#define EXPONENT_BIAS	   16383
-#define MANTISSA_BITS      112
-#define PRECISION          (MANTISSA_BITS + 1)
-#define SIGNBIT		   0x80000000
-#define SIGND(fp)	   ((fp.l.i[0]) & SIGNBIT)
-#define MANTD_HIGH_LL(fp)  ((fp.ll[0] & HIGH_LL_FRAC_MASK) | HIGH_LL_UNIT_BIT)
-#define MANTD_LOW_LL(fp)   (fp.ll[1])
-#define FRACD_ZERO_P(fp)   (!fp.ll[1] && !(fp.ll[0] & HIGH_LL_FRAC_MASK))
-#define HIGH_LL_FRAC_BITS  48
-#define HIGH_LL_UNIT_BIT   ((UDItype_x)1 << HIGH_LL_FRAC_BITS)
-#define HIGH_LL_FRAC_MASK  (HIGH_LL_UNIT_BIT - 1)
-
-typedef int DItype_x __attribute__ ((mode (DI)));
-typedef unsigned int UDItype_x __attribute__ ((mode (DI)));
-typedef int SItype_x __attribute__ ((mode (SI)));
-typedef unsigned int USItype_x __attribute__ ((mode (SI)));
-
-union double_long {
-  long double d;
-  struct {
-      SItype_x i[4]; /* 32 bit parts: 0 upper ... 3 lowest */
-    } l;
-  UDItype_x ll[2];   /* 64 bit parts: 0 upper, 1 lower */
-};
-
-DItype_x __fixtfdi (long double a1);
-
-/* convert double to unsigned int */
-DItype_x
-__fixtfdi (long double a1)
-{
-    register union double_long dl1;
-    register int exp;
-    register UDItype_x l;
-
-    dl1.d = a1;
-
-    /* +/- 0, denormalized */
-    if (!EXPD (dl1))
-      return 0;
-
-    /* The exponent - considered the binary point at the right end of
-       the mantissa.  */
-    exp = EXPD (dl1) - EXPONENT_BIAS - MANTISSA_BITS;
-
-    /* number < 1: If the mantissa would need to be right-shifted more bits than
-       its size the result would be zero.  */
-    if (exp <= -PRECISION)
-      return 0;
-
-    /* NaN: All exponent bits set and a nonzero fraction.  */
-    if ((EXPD(dl1) == 0x7fff) && !FRACD_ZERO_P (dl1))
-      return 0x8000000000000000ULL;
-
-    /* One extra bit is needed for the unit bit which is appended by
-       MANTD_HIGH_LL on the left of the matissa.  */
-    exp += HIGH_LL_FRAC_BITS + 1;
-
-    /* If the result would still need a left shift it will be too large
-       to be represented.  Compared to the unsigned variant we have to
-       take care that there is still space for the sign bit to be
-       applied.  So we can only go on if there is a right-shift by one
-       or more.  */
-    if (exp >= 0)
-      {
-	l = 1ULL << 63; /* long long min */
-	return SIGND (dl1) ? l : l - 1;
-      }
-
-    l = MANTD_LOW_LL (dl1) >> (HIGH_LL_FRAC_BITS + 1)
-        | MANTD_HIGH_LL (dl1) << (64 - (HIGH_LL_FRAC_BITS + 1));
-
-    return SIGND (dl1) ? -(l >> -exp) : l >> -exp;
-}
-#define __fixtfdi ___fixtfdi
-#endif
-#undef L_fixtfdi
-
-#ifdef L_fixunsdfdi
-#define EXPD(fp)	(((fp.l.upper) >> 20) & 0x7FF)
-#define EXCESSD		1022
-#define SIGNBIT		0x80000000
-#define SIGND(fp)	((fp.l.upper) & SIGNBIT)
-#define MANTD_LL(fp)	((fp.ll & (HIDDEND_LL-1)) | HIDDEND_LL)
-#define FRACD_LL(fp)	(fp.ll & (HIDDEND_LL-1))
-#define HIDDEND_LL	((UDItype_x)1 << 52)
-
-typedef int DItype_x __attribute__ ((mode (DI)));
-typedef unsigned int UDItype_x __attribute__ ((mode (DI)));
-typedef int SItype_x __attribute__ ((mode (SI)));
-typedef unsigned int USItype_x __attribute__ ((mode (SI)));
-
-union double_long {
-    double d;
-    struct {
-      SItype_x upper;
-      USItype_x lower;
-    } l;
-    UDItype_x ll;
-};
-
-UDItype_x __fixunsdfdi (double a1);
-
-/* convert double to unsigned int */
-UDItype_x
-__fixunsdfdi (double a1)
-{
-    register union double_long dl1;
-    register int exp;
-    register UDItype_x l;
-
-    dl1.d = a1;
-
-    /* +/- 0, denormalized, negative */
-
-    if (!EXPD (dl1) || SIGND(dl1))
-      return 0;
-
-    exp = EXPD (dl1) - EXCESSD - 53;
-
-    /* number < 1 */
-
-    if (exp < -53)
-      return 0;
-
-    /* NaN */
-
-    if ((EXPD(dl1) == 0x7ff) && (FRACD_LL(dl1) != 0)) /* NaN */
-      return 0x0ULL;
-
-    /* Number big number & + inf */
-
-    if (exp >= 12) {
-      return 0xFFFFFFFFFFFFFFFFULL;
-    }
-
-    l = MANTD_LL(dl1);
-
-    /* shift down until exp < 12 or l = 0 */
-    if (exp > 0)
-      l <<= exp;
-    else
-      l >>= -exp;
-
-    return l;
-}
-#define __fixunsdfdi ___fixunsdfdi
-#endif
-#undef L_fixunsdfdi
-
-#ifdef L_fixdfdi
-#define EXPD(fp)	(((fp.l.upper) >> 20) & 0x7FF)
-#define EXCESSD		1022
-#define SIGNBIT		0x80000000
-#define SIGND(fp)	((fp.l.upper) & SIGNBIT)
-#define MANTD_LL(fp)	((fp.ll & (HIDDEND_LL-1)) | HIDDEND_LL)
-#define FRACD_LL(fp)	(fp.ll & (HIDDEND_LL-1))
-#define HIDDEND_LL	((UDItype_x)1 << 52)
-
-typedef int DItype_x __attribute__ ((mode (DI)));
-typedef unsigned int UDItype_x __attribute__ ((mode (DI)));
-typedef int SItype_x __attribute__ ((mode (SI)));
-typedef unsigned int USItype_x __attribute__ ((mode (SI)));
-
-union double_long {
-    double d;
-    struct {
-      SItype_x upper;
-      USItype_x lower;
-    } l;
-    UDItype_x ll;
-};
-
-DItype_x __fixdfdi (double a1);
-
-/* convert double to int */
-DItype_x
-__fixdfdi (double a1)
-{
-    register union double_long dl1;
-    register int exp;
-    register DItype_x l;
-
-    dl1.d = a1;
-
-    /* +/- 0, denormalized */
-
-    if (!EXPD (dl1))
-      return 0;
-
-    exp = EXPD (dl1) - EXCESSD - 53;
-
-    /* number < 1 */
-
-    if (exp < -53)
-      return 0;
-
-    /* NaN */
-
-    if ((EXPD(dl1) == 0x7ff) && (FRACD_LL(dl1) != 0)) /* NaN */
-      return 0x8000000000000000ULL;
-
-    /* Number big number & +/- inf */
-
-    if (exp >= 11) {
-	l = (long long)1<<63;
-	if (!SIGND(dl1))
-	    l--;
-	return l;
-    }
-
-    l = MANTD_LL(dl1);
-
-    /* shift down until exp < 12 or l = 0 */
-    if (exp > 0)
-      l <<= exp;
-    else
-      l >>= -exp;
-
-    return (SIGND (dl1) ? -l : l);
-}
-#define __fixdfdi ___fixdfdi
-#endif
-#undef L_fixdfdi
-
-#ifdef L_fixunssfdi
-#define EXP(fp)         (((fp.l) >> 23) & 0xFF)
-#define EXCESS          126
-#define SIGNBIT         0x80000000
-#define SIGN(fp)        ((fp.l) & SIGNBIT)
-#define HIDDEN          (1 << 23)
-#define MANT(fp)        (((fp.l) & 0x7FFFFF) | HIDDEN)
-#define FRAC(fp)        ((fp.l) & 0x7FFFFF)
-
-typedef int DItype_x __attribute__ ((mode (DI)));
-typedef unsigned int UDItype_x __attribute__ ((mode (DI)));
-typedef int SItype_x __attribute__ ((mode (SI)));
-typedef unsigned int USItype_x __attribute__ ((mode (SI)));
-
-union float_long
-  {
-    float f;
-    USItype_x l;
-  };
-
-UDItype_x __fixunssfdi (float a1);
-
-/* convert float to unsigned int */
-UDItype_x
-__fixunssfdi (float a1)
-{
-    register union float_long fl1;
-    register int exp;
-    register UDItype_x l;
-
-    fl1.f = a1;
-
-    /* +/- 0, denormalized, negative */
-
-    if (!EXP (fl1) || SIGN(fl1))
-      return 0;
-
-    exp = EXP (fl1) - EXCESS - 24;
-
-    /* number < 1 */
-
-    if (exp < -24)
-      return 0;
-
-    /* NaN */
-
-    if ((EXP(fl1) == 0xff) && (FRAC(fl1) != 0)) /* NaN */
-      return 0x0ULL;
-
-    /* Number big number & + inf */
-
-    if (exp >= 41) {
-      return 0xFFFFFFFFFFFFFFFFULL;
-    }
-
-    l = MANT(fl1);
-
-    if (exp > 0)
-      l <<= exp;
-    else
-      l >>= -exp;
-
-    return l;
-}
-#define __fixunssfdi ___fixunssfdi
-#endif
-#undef L_fixunssfdi
-
-#ifdef L_fixsfdi
-#define EXP(fp)         (((fp.l) >> 23) & 0xFF)
-#define EXCESS          126
-#define SIGNBIT         0x80000000
-#define SIGN(fp)        ((fp.l) & SIGNBIT)
-#define HIDDEN          (1 << 23)
-#define MANT(fp)        (((fp.l) & 0x7FFFFF) | HIDDEN)
-#define FRAC(fp)        ((fp.l) & 0x7FFFFF)
-
-typedef int DItype_x __attribute__ ((mode (DI)));
-typedef unsigned int UDItype_x __attribute__ ((mode (DI)));
-typedef int SItype_x __attribute__ ((mode (SI)));
-typedef unsigned int USItype_x __attribute__ ((mode (SI)));
-
-union float_long
-  {
-    float f;
-    USItype_x l;
-  };
-
-DItype_x __fixsfdi (float a1);
-
-/* convert double to int */
-DItype_x
-__fixsfdi (float a1)
-{
-    register union float_long fl1;
-    register int exp;
-    register DItype_x l;
-
-    fl1.f = a1;
-
-    /* +/- 0, denormalized */
-
-    if (!EXP (fl1))
-      return 0;
-
-    exp = EXP (fl1) - EXCESS - 24;
-
-    /* number < 1 */
-
-    if (exp < -24)
-      return 0;
-
-    /* NaN */
-
-    if ((EXP(fl1) == 0xff) && (FRAC(fl1) != 0)) /* NaN */
-      return 0x8000000000000000ULL;
-
-    /* Number big number & +/- inf */
-
-    if (exp >= 40) {
-	l = (long long)1<<63;
-	if (!SIGN(fl1))
-	    l--;
-	return l;
-    }
-
-    l = MANT(fl1);
-
-    if (exp > 0)
-      l <<= exp;
-    else
-      l >>= -exp;
-
-    return (SIGN (fl1) ? -l : l);
-}
-#define __fixsfdi ___fixsfdi
-#endif
-#undef L_fixsfdi
diff --git a/gcc/config/s390/libgcc-glibc.ver b/gcc/config/s390/libgcc-glibc.ver
deleted file mode 100644
index 6fc52e4..0000000
--- a/gcc/config/s390/libgcc-glibc.ver
+++ /dev/null
@@ -1,116 +0,0 @@
-# Copyright (C) 2002, 2006, 2008 Free Software Foundation, Inc.
-#
-# This file is part of GCC.
-#
-# GCC is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
-#
-# GCC 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 General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with GCC; see the file COPYING3.  If not see
-# <http://www.gnu.org/licenses/>.
-
-# In order to work around the very problems that force us to now generally
-# create a libgcc.so, glibc reexported a number of routines from libgcc.a.
-# By now choosing the same version tags for these specific routines, we
-# maintain enough binary compatibility to allow future versions of glibc
-# to defer implementation of these routines to libgcc.so via DT_AUXILIARY.
-
-# Note that we cannot use the default libgcc-glibc.ver file on s390x,
-# because GLIBC_2.0 does not exist on this architecture, as the first
-# ever glibc release on the platform was GLIBC_2.2.
-
-%ifndef __s390x__
-%exclude {
-  __divdi3
-  __moddi3
-  __udivdi3
-  __umoddi3
-  __register_frame
-  __register_frame_table
-  __deregister_frame
-  __register_frame_info
-  __deregister_frame_info
-  __frame_state_for
-  __register_frame_info_table
-}
-
-%inherit GCC_3.0 GLIBC_2.0
-GLIBC_2.0 {
-  __divdi3
-  __moddi3
-  __udivdi3
-  __umoddi3
-
-  __register_frame
-  __register_frame_table
-  __deregister_frame
-  __register_frame_info
-  __deregister_frame_info
-  __frame_state_for
-  __register_frame_info_table
-}
-%endif
-
-%ifdef __s390x__
-%exclude {
-  __register_frame
-  __register_frame_table
-  __deregister_frame
-  __register_frame_info
-  __deregister_frame_info
-  __frame_state_for
-  __register_frame_info_table
-}
-
-%inherit GCC_3.0 GLIBC_2.2
-GLIBC_2.2 {
-  __register_frame
-  __register_frame_table
-  __deregister_frame
-  __register_frame_info
-  __deregister_frame_info
-  __frame_state_for
-  __register_frame_info_table
-}
-%endif
-
-# With GCC 4.1.0 long double 128 bit support was introduced. The
-# following symbols coming from libgcc are enabled when -mlong-double-128
-# is specified. These lines make the symbols to get a @@GCC_4.1.0 attached.
-
-%exclude {
-  __divtc3
-  __multc3
-  __powitf2
-  __fixtfti
-  __fixunstfti
-  __floattitf
-
-  __fixtfdi
-  __fixunstfdi
-  __floatditf
-}
-
-GCC_4.1.0 {
-  __divtc3
-  __multc3
-  __powitf2
-
-%ifdef __s390x__
-  __fixtfti
-  __fixunstfti
-  __floattitf
-
-%else
-  __fixtfdi
-  __fixunstfdi
-  __floatditf
-%endif
-}
diff --git a/gcc/config/s390/s390.h b/gcc/config/s390/s390.h
index ffb96cd..2da8b87 100644
--- a/gcc/config/s390/s390.h
+++ b/gcc/config/s390/s390.h
@@ -24,12 +24,6 @@ along with GCC; see the file COPYING3.  If not see
 #ifndef _S390_H
 #define _S390_H
 
-/* Override the __fixdfdi etc. routines when building libgcc2.
-   ??? This should be done in a cleaner way ...  */
-#if defined (IN_LIBGCC2) && !defined (__s390x__)
-#include <config/s390/fixdfdi.h>
-#endif
-
 /* Which processor to generate code or schedule for. The cpu attribute
    defines a list that mirrors this list, so changes to s390.md must be
    made at the same time.  */
diff --git a/gcc/config/s390/t-crtstuff b/gcc/config/s390/t-crtstuff
deleted file mode 100644
index 39b0eba..0000000
--- a/gcc/config/s390/t-crtstuff
+++ /dev/null
@@ -1,5 +0,0 @@
-# crtend*.o cannot be compiled without -fno-asynchronous-unwind-tables,
-# because then __FRAME_END__ might not be the last thing in .eh_frame
-# section.
-CRTSTUFF_T_CFLAGS = -fno-asynchronous-unwind-tables
-TARGET_LIBGCC2_CFLAGS += -mlong-double-128
diff --git a/gcc/config/s390/t-linux b/gcc/config/s390/t-linux
deleted file mode 100644
index d5a9278..0000000
--- a/gcc/config/s390/t-linux
+++ /dev/null
@@ -1,3 +0,0 @@
-# Override t-slibgcc-elf-ver to export some libgcc symbols with
-# the symbol versions that glibc used.
-SHLIB_MAPFILES = $(srcdir)/libgcc-std.ver $(srcdir)/config/s390/libgcc-glibc.ver
diff --git a/gcc/config/s390/t-linux64 b/gcc/config/s390/t-linux64
index 0ffb690..36aced0 100644
--- a/gcc/config/s390/t-linux64
+++ b/gcc/config/s390/t-linux64
@@ -1,8 +1,3 @@
 MULTILIB_OPTIONS = m64/m31
 MULTILIB_DIRNAMES = 64 32
 MULTILIB_OSDIRNAMES = ../lib64 ../lib
-
-LIBGCC = stmp-multilib
-INSTALL_LIBGCC = install-multilib
-
-EXTRA_MULTILIB_PARTS=crtbegin.o crtend.o crtbeginS.o crtendS.o crtbeginT.o
diff --git a/gcc/config/s390/t-tpf b/gcc/config/s390/t-tpf
deleted file mode 100644
index 6e4c377..0000000
--- a/gcc/config/s390/t-tpf
+++ /dev/null
@@ -1,9 +0,0 @@
-# Compile crtbeginS.o and crtendS.o with pic.
-CRTSTUFF_T_CFLAGS_S = $(CRTSTUFF_T_CFLAGS) -fPIC
-# Compile libgcc2.a with pic.
-TARGET_LIBGCC2_CFLAGS = -fPIC
-
-# Use unwind-dw2-fde-glibc.
-LIB2ADDEH = $(srcdir)/unwind-dw2.c $(srcdir)/unwind-dw2-fde-glibc.c \
-  $(srcdir)/unwind-sjlj.c $(srcdir)/gthr-gnat.c $(srcdir)/unwind-c.c
-LIB2ADDEHDEP = unwind.inc unwind-dw2-fde.h