diff -urN libc/sysdeps/s390/bits/huge_val.h libc-s390/sysdeps/s390/bits/huge_val.h --- libc/sysdeps/s390/bits/huge_val.h Thu Jan 1 01:00:00 1970 +++ libc-s390/sysdeps/s390/bits/huge_val.h Fri Mar 16 12:37:34 2001 @@ -0,0 +1,69 @@ +/* `HUGE_VAL' constants for S/390 (where it is infinity). + Used by and functions for overflow. + Copyright (C) 2000, 2001 Free Software Foundation, Inc. + Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#ifndef _MATH_H +# error "Never use directly; include instead." +#endif + +#include + +/* IEEE positive infinity (-HUGE_VAL is negative infinity). */ + +#if __GNUC_PREREQ(2,96) +# define HUGE_VAL (__extension__ 0x1.0p2047) +#else +# define __HUGE_VAL_bytes { 0x7f, 0xf0, 0, 0, 0, 0, 0, 0 } + +# define __huge_val_t union { unsigned char __c[8]; double __d; } +# ifdef __GNUC__ +# define HUGE_VAL (__extension__ \ + ((__huge_val_t) { __c: __HUGE_VAL_bytes }).__d) +# else /* Not GCC. */ +static __huge_val_t __huge_val = { __HUGE_VAL_bytes }; +# define HUGE_VAL (__huge_val.__d) +# endif /* GCC. */ +#endif /* GCC 2.95 */ + + +/* ISO C 99 extensions: (float) HUGE_VALF and (long double) HUGE_VALL. */ + +#ifdef __USE_ISOC99 + +# if __GNUC_PREREQ(2,96) +# define HUGE_VALF (__extension__ 0x1.0p255f) +# define HUGE_VALL (__extension__ 0x1.0p255f) +# else +# define __HUGE_VALF_bytes { 0x7f, 0x80, 0, 0 } +# define __huge_valf_t union { unsigned char __c[4]; float __f; } +# ifdef __GNUC__ +# define HUGE_VALF (__extension__ \ + ((__huge_valf_t) { __c: __HUGE_VALF_bytes }).__f) +# else /* Not GCC. */ +static __huge_valf_t __huge_valf = { __HUGE_VALF_bytes }; +# define HUGE_VALF (__huge_valf.__f) +# endif /* GCC. */ + +/* On 390 there is no 'long double' format. Make it the same as 'double' */ +# define HUGE_VALL HUGE_VAL + +# endif /* GCC 2.95 */ + +#endif /* __USE_ISOC99. */ diff -urN libc/sysdeps/s390/ffs.c libc-s390/sysdeps/s390/ffs.c --- libc/sysdeps/s390/ffs.c Thu Jan 1 01:00:00 1970 +++ libc-s390/sysdeps/s390/ffs.c Fri Mar 16 12:36:59 2001 @@ -0,0 +1,68 @@ +/* ffs -- find first set bit in a word, counted from least significant end. + S/390 version. + Copyright (C) 2000, 2001 Free Software Foundation, Inc. + Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#define ffsl __something_else +#include + +#undef ffs + +/* ffs: find first bit set. This is defined the same way as + the libc and compiler builtin ffs routines, therefore + differs in spirit from the above ffz (man ffs). */ + +int +__ffs (x) + int x; +{ + int r; + + if (x == 0) + return 0; + __asm__(" lr %%r1,%1\n" + " sr %0,%0\n" + " tml %%r1,0xFFFF\n" + " jnz 0f\n" + " ahi %0,16\n" + " srl %%r1,16\n" + "0: tml %%r1,0x00FF\n" + " jnz 1f\n" + " ahi %0,8\n" + " srl %%r1,8\n" + "1: tml %%r1,0x000F\n" + " jnz 2f\n" + " ahi %0,4\n" + " srl %%r1,4\n" + "2: tml %%r1,0x0003\n" + " jnz 3f\n" + " ahi %0,2\n" + " srl %%r1,2\n" + "3: tml %%r1,0x0001\n" + " jnz 4f\n" + " ahi %0,1\n" + "4:" + : "=&d" (r) : "d" (x) : "cc", "1" ); + return r+1; +} + +weak_alias (__ffs, ffs) +#undef ffsl +weak_alias (__ffs, ffsl) + diff -urN libc/sysdeps/s390/s390-32/bits/huge_val.h libc-s390/sysdeps/s390/s390-32/bits/huge_val.h --- libc/sysdeps/s390/s390-32/bits/huge_val.h Fri Mar 16 10:07:36 2001 +++ libc-s390/sysdeps/s390/s390-32/bits/huge_val.h Thu Jan 1 01:00:00 1970 @@ -1,73 +0,0 @@ -/* `HUGE_VAL' constants for s390 (where it is infinity). - Used by and functions for overflow. - Copyright (C) 2000, 2001 Free Software Foundation, Inc. - Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public License as - published by the Free Software Foundation; either version 2 of the - License, or (at your option) any later version. - - 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 - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public - License along with the GNU C Library; see the file COPYING.LIB. If not, - write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -#ifndef _MATH_H -# error "Never use directly; include instead." -#endif - -#include - -/* IEEE positive infinity (-HUGE_VAL is negative infinity). */ - -#if __GNUC_PREREQ(2,96) -# define HUGE_VAL (__extension__ 0x1.0p2047) -#else -#define __HUGE_VAL_bytes { 0x7f, 0xf0, 0, 0, 0, 0, 0, 0 } - -#define __huge_val_t union { unsigned char __c[8]; double __d; } -#ifdef __GNUC__ -# define HUGE_VAL (__extension__ \ - ((__huge_val_t) { __c: __HUGE_VAL_bytes }).__d) -#else /* Not GCC. */ -static __huge_val_t __huge_val = { __HUGE_VAL_bytes }; -# define HUGE_VAL (__huge_val.__d) -#endif /* GCC. */ -#endif /* GCC 2.95 */ - - -/* ISO C 99 extensions: (float) HUGE_VALF and (long double) HUGE_VALL. */ - -#ifdef __USE_ISOC99 - -# if __GNUC_PREREQ(2,96) - -# define HUGE_VALF (__extension__ 0x1.0p255f) -# define HUGE_VALL (__extension__ 0x1.0p255f) - -# else - -# define __HUGE_VALF_bytes { 0x7f, 0x80, 0, 0 } - -# define __huge_valf_t union { unsigned char __c[4]; float __f; } -# ifdef __GNUC__ -# define HUGE_VALF (__extension__ \ - ((__huge_valf_t) { __c: __HUGE_VALF_bytes }).__f) -# else /* Not GCC. */ -static __huge_valf_t __huge_valf = { __HUGE_VALF_bytes }; -# define HUGE_VALF (__huge_valf.__f) -# endif /* GCC. */ - -/* On 390 there is no 'long double' format. Make it the same as 'double' */ -# define HUGE_VALL HUGE_VAL - -# endif /* GCC 2.95 */ - -#endif /* __USE_ISOC99. */ diff -urN libc/sysdeps/s390/s390-32/ffs.c libc-s390/sysdeps/s390/s390-32/ffs.c --- libc/sysdeps/s390/s390-32/ffs.c Fri Mar 16 10:02:39 2001 +++ libc-s390/sysdeps/s390/s390-32/ffs.c Thu Jan 1 01:00:00 1970 @@ -1,68 +0,0 @@ -/* ffs -- find first set bit in a word, counted from least significant end. - This file is part of the GNU C Library. - Copyright (C) 2000, 2001 Free Software Foundation, Inc. - Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public License as - published by the Free Software Foundation; either version 2 of the - License, or (at your option) any later version. - - 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 - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public - License along with the GNU C Library; see the file COPYING.LIB. If not, - write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -#define ffsl __something_else -#include - -#undef ffs - -/* - * ffs: find first bit set. This is defined the same way as - * the libc and compiler builtin ffs routines, therefore - * differs in spirit from the above ffz (man ffs). - */ - -int -__ffs (x) - int x; -{ - int r; - - if (x == 0) - return 0; - __asm__(" lr %%r1,%1\n" - " sr %0,%0\n" - " tml %%r1,0xFFFF\n" - " jnz 0f\n" - " ahi %0,16\n" - " srl %%r1,16\n" - "0: tml %%r1,0x00FF\n" - " jnz 1f\n" - " ahi %0,8\n" - " srl %%r1,8\n" - "1: tml %%r1,0x000F\n" - " jnz 2f\n" - " ahi %0,4\n" - " srl %%r1,4\n" - "2: tml %%r1,0x0003\n" - " jnz 3f\n" - " ahi %0,2\n" - " srl %%r1,2\n" - "3: tml %%r1,0x0001\n" - " jnz 4f\n" - " ahi %0,1\n" - "4:" - : "=&d" (r) : "d" (x) : "cc", "1" ); - return r+1; -} - -weak_alias (__ffs, ffs) -#undef ffsl -weak_alias (__ffs, ffsl) diff -urN libc/sysdeps/s390/s390-64/bits/huge_val.h libc-s390/sysdeps/s390/s390-64/bits/huge_val.h --- libc/sysdeps/s390/s390-64/bits/huge_val.h Fri Mar 16 10:16:43 2001 +++ libc-s390/sysdeps/s390/s390-64/bits/huge_val.h Thu Jan 1 01:00:00 1970 @@ -1,69 +0,0 @@ -/* `HUGE_VAL' constants for 64 bit S/390 (where it is infinity). - Used by and functions for overflow. - Copyright (C) 2001 Free Software Foundation, Inc. - Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public License as - published by the Free Software Foundation; either version 2 of the - License, or (at your option) any later version. - - 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 - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public - License along with the GNU C Library; see the file COPYING.LIB. If not, - write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -#ifndef _MATH_H -# error "Never use directly; include instead." -#endif - -#include - -/* IEEE positive infinity (-HUGE_VAL is negative infinity). */ - -#if __GNUC_PREREQ(2,96) -# define HUGE_VAL (__extension__ 0x1.0p2047) -#else -# define __HUGE_VAL_bytes { 0x7f, 0xf0, 0, 0, 0, 0, 0, 0 } - -# define __huge_val_t union { unsigned char __c[8]; double __d; } -# ifdef __GNUC__ -# define HUGE_VAL (__extension__ \ - ((__huge_val_t) { __c: __HUGE_VAL_bytes }).__d) -# else /* Not GCC. */ -static __huge_val_t __huge_val = { __HUGE_VAL_bytes }; -# define HUGE_VAL (__huge_val.__d) -# endif /* GCC. */ -#endif /* GCC 2.95 */ - - -/* ISO C 99 extensions: (float) HUGE_VALF and (long double) HUGE_VALL. */ - -#ifdef __USE_ISOC99 - -# if __GNUC_PREREQ(2,96) -# define HUGE_VALF (__extension__ 0x1.0p255f) -# define HUGE_VALL (__extension__ 0x1.0p255f) -# else -# define __HUGE_VALF_bytes { 0x7f, 0x80, 0, 0 } -# define __huge_valf_t union { unsigned char __c[4]; float __f; } -# ifdef __GNUC__ -# define HUGE_VALF (__extension__ \ - ((__huge_valf_t) { __c: __HUGE_VALF_bytes }).__f) -# else /* Not GCC. */ -static __huge_valf_t __huge_valf = { __HUGE_VALF_bytes }; -# define HUGE_VALF (__huge_valf.__f) -# endif /* GCC. */ - -/* On 390 there is no 'long double' format. Make it the same as 'double' */ -# define HUGE_VALL HUGE_VAL - -# endif /* GCC 2.95 */ - -#endif /* __USE_ISOC99. */ diff -urN libc/sysdeps/s390/s390-64/ffs.c libc-s390/sysdeps/s390/s390-64/ffs.c --- libc/sysdeps/s390/s390-64/ffs.c Fri Mar 16 10:13:27 2001 +++ libc-s390/sysdeps/s390/s390-64/ffs.c Thu Jan 1 01:00:00 1970 @@ -1,68 +0,0 @@ -/* ffs -- find first set bit in a word, counted from least significant end. - 64 bit S/390 version. - Copyright (C) 2001 Free Software Foundation, Inc. - Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public License as - published by the Free Software Foundation; either version 2 of the - License, or (at your option) any later version. - - 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 - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public - License along with the GNU C Library; see the file COPYING.LIB. If not, - write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -#define ffsl __something_else -#include - -#undef ffs - -/* ffs: find first bit set. This is defined the same way as - the libc and compiler builtin ffs routines, therefore - differs in spirit from the above ffz (man ffs). */ - -int -__ffs (x) - int x; -{ - int r; - - if (x == 0) - return 0; - __asm__(" lr %%r1,%1\n" - " sr %0,%0\n" - " tml %%r1,0xFFFF\n" - " jnz 0f\n" - " ahi %0,16\n" - " srl %%r1,16\n" - "0: tml %%r1,0x00FF\n" - " jnz 1f\n" - " ahi %0,8\n" - " srl %%r1,8\n" - "1: tml %%r1,0x000F\n" - " jnz 2f\n" - " ahi %0,4\n" - " srl %%r1,4\n" - "2: tml %%r1,0x0003\n" - " jnz 3f\n" - " ahi %0,2\n" - " srl %%r1,2\n" - "3: tml %%r1,0x0001\n" - " jnz 4f\n" - " ahi %0,1\n" - "4:" - : "=&d" (r) : "d" (x) : "cc", "1" ); - return r+1; -} - -weak_alias (__ffs, ffs) -#undef ffsl -weak_alias (__ffs, ffsl) -