diff options
author | Ulrich Drepper <drepper@redhat.com> | 2001-03-16 22:26:45 +0000 |
---|---|---|
committer | Ulrich Drepper <drepper@redhat.com> | 2001-03-16 22:26:45 +0000 |
commit | a66f0958a1fbe5d64c3c77c01baee10bf23257dd (patch) | |
tree | 8bd667d88be5d0697fbcd2c01292b538abf5b91b /sysdeps/s390/s390-32 | |
parent | aeba9785a6e2e8dca120bb0b62b74ea1eda0a4a8 (diff) | |
download | glibc-a66f0958a1fbe5d64c3c77c01baee10bf23257dd.tar glibc-a66f0958a1fbe5d64c3c77c01baee10bf23257dd.tar.gz glibc-a66f0958a1fbe5d64c3c77c01baee10bf23257dd.tar.bz2 glibc-a66f0958a1fbe5d64c3c77c01baee10bf23257dd.zip |
Update.
2001-03-16 Ulrich Drepper <drepper@redhat.com>
* sysdeps/ieee754/ldbl-96/s_erfl.c: New file.
Contributed by Stephen L. Moshier <moshier@na-net.ornl.gov>.
* sysdeps/i386/fpu/libm-test-ulps: Adjust for addition of erfl and
erfcl.
* sysdeps/ia64/fpu/libm-test-ulps: Likewise.
* sysdeps/unix/sysv/linux/ia64/swapcontext.c: New file.
Diffstat (limited to 'sysdeps/s390/s390-32')
-rw-r--r-- | sysdeps/s390/s390-32/bits/huge_val.h | 73 | ||||
-rw-r--r-- | sysdeps/s390/s390-32/ffs.c | 68 |
2 files changed, 0 insertions, 141 deletions
diff --git a/sysdeps/s390/s390-32/bits/huge_val.h b/sysdeps/s390/s390-32/bits/huge_val.h deleted file mode 100644 index 65e0fe2487..0000000000 --- a/sysdeps/s390/s390-32/bits/huge_val.h +++ /dev/null @@ -1,73 +0,0 @@ -/* `HUGE_VAL' constants for s390 (where it is infinity). - Used by <stdlib.h> and <math.h> 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 <bits/huge_val.h> directly; include <math.h> instead." -#endif - -#include <features.h> - -/* 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 --git a/sysdeps/s390/s390-32/ffs.c b/sysdeps/s390/s390-32/ffs.c deleted file mode 100644 index 12f265d7b2..0000000000 --- a/sysdeps/s390/s390-32/ffs.c +++ /dev/null @@ -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 <string.h> - -#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) |