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riscv-gcc-1
Commit 81dd9fd7 by Andreas Krebbel Committed by Andreas Krebbel
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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
parent aeb94799
Showing with 628 additions and 28 deletions
gcc/ChangeLog
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.
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"
;;
......
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. */
......
gcc/config/s390/t-linux deleted 100644 → 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
gcc/config/s390/t-linux64
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
gcc/config/s390/t-tpf deleted 100644 → 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 $(srcdir)/unwind-c.c
LIB2ADDEHDEP = unwind.inc unwind-dw2-fde.h
libgcc/ChangeLog
2009-10-07 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
* config.host: Include the s390 makefile fragments.
* config/s390/32/_fixdfdi.c: New file.
* config/s390/32/_fixsfdi.c: New file.
* config/s390/32/_fixtfdi.c: New file.
* config/s390/32/_fixunsdfdi.c: New file.
* config/s390/32/_fixunssfdi.c: New file.
* config/s390/32/_fixunstfdi.c: New file.
* config/s390/32/t-floattodi: New file.
* config/s390/libgcc-glibc.ver: New file.
* config/s390/t-crtstuff: New file.
* config/s390/t-linux: New file.
* config/s390/t-tpf: New file.
2009-08-24 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
* configure.ac (AC_PREREQ): Bump to 2.64.
......
libgcc/config.host
......@@ -483,10 +483,13 @@ rs6000-ibm-aix5.1.* | powerpc-ibm-aix5.1.*)
rs6000-ibm-aix[56789].* | powerpc-ibm-aix[56789].*)
;;
s390-*-linux*)
tmake_file="${tmake_file} s390/t-crtstuff s390/t-linux s390/32/t-floattodi"
;;
s390x-*-linux*)
tmake_file="${tmake_file} s390/t-crtstuff s390/t-linux"
;;
s390x-ibm-tpf*)
tmake_file="${tmake_file} s390/t-crtstuff s390/t-tpf"
;;
score-*-elf)
;;
......
libgcc/config/s390/32/_fixdfdi.c 0 → 100644
/* 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);
}
libgcc/config/s390/32/_fixsfdi.c 0 → 100644
/* 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);
}
libgcc/config/s390/32/_fixtfdi.c 0 → 100644
/* 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;
}
libgcc/config/s390/32/_fixunsdfdi.c 0 → 100644
/* 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;
}
libgcc/config/s390/32/_fixunssfdi.c 0 → 100644
/* 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;
}
libgcc/config/s390/32/_fixunstfdi.c 0 → 100644
/* 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;
}
libgcc/config/s390/32/t-floattodi 0 → 100644
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))
gcc/config/s390/t-crtstuff → libgcc/config/s390/t-crtstuff
# 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
CRTSTUFF_T_CFLAGS += -fno-asynchronous-unwind-tables
CRTSTUFF_T_CFLAGS_S += -fno-asynchronous-unwind-tables
libgcc/config/s390/t-linux 0 → 100644
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
libgcc/config/s390/t-tpf 0 → 100644
# 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
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