From 554fd8c5195424bdbcabf5de30fdc183aba391bd Mon Sep 17 00:00:00 2001
From: upstream source tree <ports@midipix.org>
Date: Sun, 15 Mar 2015 20:14:05 -0400
Subject: obtained gcc-4.6.4.tar.bz2 from upstream website; verified
gcc-4.6.4.tar.bz2.sig; imported gcc-4.6.4 source tree from verified upstream
tarball.
downloading a git-generated archive based on the 'upstream' tag
should provide you with a source tree that is binary identical
to the one extracted from the above tarball.
if you have obtained the source via the command 'git clone',
however, do note that line-endings of files in your working
directory might differ from line-endings of the respective
files in the upstream repository.
---
libgcc/config/s390/32/_fixdfdi.c | 97 ++++++++++++++++++++++++++++++
libgcc/config/s390/32/_fixsfdi.c | 93 +++++++++++++++++++++++++++++
libgcc/config/s390/32/_fixtfdi.c | 102 +++++++++++++++++++++++++++++++
libgcc/config/s390/32/_fixunsdfdi.c | 94 +++++++++++++++++++++++++++++
libgcc/config/s390/32/_fixunssfdi.c | 90 ++++++++++++++++++++++++++++
libgcc/config/s390/32/_fixunstfdi.c | 97 ++++++++++++++++++++++++++++++
libgcc/config/s390/32/t-floattodi | 5 ++
libgcc/config/s390/libgcc-glibc.ver | 116 ++++++++++++++++++++++++++++++++++++
libgcc/config/s390/t-crtstuff | 6 ++
libgcc/config/s390/t-linux | 7 +++
libgcc/config/s390/t-tpf | 8 +++
11 files changed, 715 insertions(+)
create mode 100644 libgcc/config/s390/32/_fixdfdi.c
create mode 100644 libgcc/config/s390/32/_fixsfdi.c
create mode 100644 libgcc/config/s390/32/_fixtfdi.c
create mode 100644 libgcc/config/s390/32/_fixunsdfdi.c
create mode 100644 libgcc/config/s390/32/_fixunssfdi.c
create mode 100644 libgcc/config/s390/32/_fixunstfdi.c
create mode 100644 libgcc/config/s390/32/t-floattodi
create mode 100644 libgcc/config/s390/libgcc-glibc.ver
create mode 100644 libgcc/config/s390/t-crtstuff
create mode 100644 libgcc/config/s390/t-linux
create mode 100644 libgcc/config/s390/t-tpf
(limited to 'libgcc/config/s390')
diff --git a/libgcc/config/s390/32/_fixdfdi.c b/libgcc/config/s390/32/_fixdfdi.c
new file mode 100644
index 000000000..364849c2d
--- /dev/null
+++ b/libgcc/config/s390/32/_fixdfdi.c
@@ -0,0 +1,97 @@
+/* Definitions of target machine for GNU compiler, for IBM S/390
+ Copyright (C) 1999, 2000, 2001, 2007, 2008 and 2009
+ 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.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#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);
+}
diff --git a/libgcc/config/s390/32/_fixsfdi.c b/libgcc/config/s390/32/_fixsfdi.c
new file mode 100644
index 000000000..06336c12d
--- /dev/null
+++ b/libgcc/config/s390/32/_fixsfdi.c
@@ -0,0 +1,93 @@
+/* Definitions of target machine for GNU compiler, for IBM S/390
+ Copyright (C) 1999, 2000, 2001, 2007, 2008 and 2009
+ 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.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#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);
+}
diff --git a/libgcc/config/s390/32/_fixtfdi.c b/libgcc/config/s390/32/_fixtfdi.c
new file mode 100644
index 000000000..719703ee1
--- /dev/null
+++ b/libgcc/config/s390/32/_fixtfdi.c
@@ -0,0 +1,102 @@
+/* Definitions of target machine for GNU compiler, for IBM S/390
+ Copyright (C) 1999, 2000, 2001, 2007, 2008 and 2009
+ 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.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#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;
+}
diff --git a/libgcc/config/s390/32/_fixunsdfdi.c b/libgcc/config/s390/32/_fixunsdfdi.c
new file mode 100644
index 000000000..2c3365299
--- /dev/null
+++ b/libgcc/config/s390/32/_fixunsdfdi.c
@@ -0,0 +1,94 @@
+/* Definitions of target machine for GNU compiler, for IBM S/390
+ Copyright (C) 1999, 2000, 2001, 2007, 2008 and 2009
+ 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.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#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;
+}
diff --git a/libgcc/config/s390/32/_fixunssfdi.c b/libgcc/config/s390/32/_fixunssfdi.c
new file mode 100644
index 000000000..eaaad9648
--- /dev/null
+++ b/libgcc/config/s390/32/_fixunssfdi.c
@@ -0,0 +1,90 @@
+/* Definitions of target machine for GNU compiler, for IBM S/390
+ Copyright (C) 1999, 2000, 2001, 2007, 2008 and 2009
+ 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.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#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;
+}
diff --git a/libgcc/config/s390/32/_fixunstfdi.c b/libgcc/config/s390/32/_fixunstfdi.c
new file mode 100644
index 000000000..cc7ada5e0
--- /dev/null
+++ b/libgcc/config/s390/32/_fixunstfdi.c
@@ -0,0 +1,97 @@
+/* Definitions of target machine for GNU compiler, for IBM S/390
+ Copyright (C) 1999, 2000, 2001, 2007, 2008 and 2009
+ 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.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#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;
+}
diff --git a/libgcc/config/s390/32/t-floattodi b/libgcc/config/s390/32/t-floattodi
new file mode 100644
index 000000000..4bd87b1f8
--- /dev/null
+++ b/libgcc/config/s390/32/t-floattodi
@@ -0,0 +1,5 @@
+floattodi-functions = _fixsfdi _fixdfdi _fixtfdi _fixunssfdi _fixunsdfdi _fixunstfdi
+LIB2FUNCS_EXCLUDE += $(floattodi-functions)
+
+floattodi-src = $(addsuffix .c, $(floattodi-functions))
+LIB2ADD = $(addprefix $(srcdir)/config/s390/32/, $(floattodi-src))
diff --git a/libgcc/config/s390/libgcc-glibc.ver b/libgcc/config/s390/libgcc-glibc.ver
new file mode 100644
index 000000000..6fc52e40d
--- /dev/null
+++ b/libgcc/config/s390/libgcc-glibc.ver
@@ -0,0 +1,116 @@
+# 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/libgcc/config/s390/t-crtstuff b/libgcc/config/s390/t-crtstuff
new file mode 100644
index 000000000..92e87b2da
--- /dev/null
+++ b/libgcc/config/s390/t-crtstuff
@@ -0,0 +1,6 @@
+# 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
+CRTSTUFF_T_CFLAGS_S += -fno-asynchronous-unwind-tables
+
diff --git a/libgcc/config/s390/t-linux b/libgcc/config/s390/t-linux
new file mode 100644
index 000000000..a0f10cb29
--- /dev/null
+++ b/libgcc/config/s390/t-linux
@@ -0,0 +1,7 @@
+DFP_ENABLE = true
+
+# Override t-slibgcc-elf-ver to export some libgcc symbols with
+# the symbol versions that glibc used.
+SHLIB_MAPFILES = $(gcc_srcdir)/libgcc-std.ver $(srcdir)/config/s390/libgcc-glibc.ver
+
+HOST_LIBGCC2_CFLAGS += -mlong-double-128
\ No newline at end of file
diff --git a/libgcc/config/s390/t-tpf b/libgcc/config/s390/t-tpf
new file mode 100644
index 000000000..b1e8f6910
--- /dev/null
+++ b/libgcc/config/s390/t-tpf
@@ -0,0 +1,8 @@
+# Compile libgcc2.a with pic.
+HOST_LIBGCC2_CFLAGS += -fPIC
+
+# Use unwind-dw2-fde-glibc.
+LIB2ADDEH = $(gcc_srcdir)/unwind-dw2.c $(gcc_srcdir)/unwind-dw2-fde-glibc.c \
+ $(gcc_srcdir)/unwind-sjlj.c $(gcc_srcdir)/gthr-gnat.c $(gcc_srcdir)/unwind-c.c \
+ $(gcc_srcdir)/emutls.c
+LIB2ADDEHDEP = unwind.inc unwind-dw2-fde.h
--
cgit v1.2.3