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  • This comparison shows the changes necessary to convert path 
    /openrisc/tags/gnu-src/gcc-4.5.1/gcc-4.5.1-or32-1.0rc2/libgcc/config/s390/32
    from Rev 272 to Rev 384
    ↔ Reverse comparison
  •

Rev 272 → Rev 384

/_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;
}
_fixunssfdi.c Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: _fixunsdfdi.c =================================================================== --- _fixunsdfdi.c (nonexistent) +++ _fixunsdfdi.c (revision 384) @@ -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 +. */ + +#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; +}
_fixunsdfdi.c Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: _fixunstfdi.c =================================================================== --- _fixunstfdi.c (nonexistent) +++ _fixunstfdi.c (revision 384) @@ -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 +. */ + +#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; +}
_fixunstfdi.c Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: t-floattodi =================================================================== --- t-floattodi (nonexistent) +++ t-floattodi (revision 384) @@ -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)) Index: _fixsfdi.c =================================================================== --- _fixsfdi.c (nonexistent) +++ _fixsfdi.c (revision 384) @@ -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 +. */ + +#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); +}
_fixsfdi.c Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: _fixdfdi.c =================================================================== --- _fixdfdi.c (nonexistent) +++ _fixdfdi.c (revision 384) @@ -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 +. */ + +#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); +}
_fixdfdi.c Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: _fixtfdi.c =================================================================== --- _fixtfdi.c (nonexistent) +++ _fixtfdi.c (revision 384) @@ -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 +. */ + +#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; +}
_fixtfdi.c Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property

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