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1999-05-19 Jakub Jelinek <jj@ultra.linux.cz> * sysdeps/generic/bits/elfclass.h: Version common to wordsize-32 and wordsize-64. * sysdeps/generic/bits/environments.h: Ditto. * sysdeps/generic/stdint.h: Ditto. * sysdeps/generic/inttypes.h: Ditto. * sysdeps/generic/bits/wordsize.h: New file. * stdlib/Makefile: Add bits/wordsize.h to headers. * sysdeps/sparc/sparc64/bits/wordsize.h: New file. * sysdeps/sparc/sparc64/fpu/bits/fenv.h: Allow the same exported headers to be used for 32bit and 64bit ABI compilations. * sysdeps/sparc/sparc64/fpu/fpu_control.h: Ditto. * sysdeps/unix/sysv/linux/sparc/sparc64/bits/setjmp.h: Ditto. * sysdeps/unix/sysv/linux/sparc/sparc64/bits/types.h: Ditto. * sysdeps/unix/sysv/linux/sparc/sparc64/bits/statfs.h: Ditto. * sysdeps/unix/sysv/linux/sparc/sparc64/sys/ucontext.h: Ditto. * sysdeps/wordsize-64/bits/elfclass.h: Remove. * sysdeps/wordsize-64/bits/environments.h: Remove. * sysdeps/wordsize-64/stdint.h: Remove. * sysdeps/wordsize-64/inttypes.h: Remove. * sysdeps/wordsize-64/bits/wordsize.h: New file. * sysdeps/wordsize-32/bits/elfclass.h: Remove. * sysdeps/wordsize-32/bits/environments.h: Remove. * sysdeps/wordsize-32/stdint.h: Remove. * sysdeps/wordsize-32/inttypes.h: Remove. * sysdeps/wordsize-32/bits/wordsize.h: New file. 1999-05-19 Jakub Jelinek <jj@ultra.linux.cz> * sysdeps/sparc/sparc64/memcpy.S (__align_cpy_4, __align_cpy_8, __align_cpy_16): New functions. (__align_cpy_2, __align_cpy_1): New aliases to memcpy. * sysdeps/sparc/sparc32/Versions: New file. * sysdeps/sparc/sparc64/Versions: New file. * sysdeps/sparc/Versions: Remove. 1999-05-19 Jakub Jelinek <jj@ultra.linux.cz> * sysdeps/unix/sysv/linux/configure.in: On sparc64-*-linux*, set slibdir to /lib64 if prefix is /usr, plus set libdir to ${exec_prefix}/lib64. * sysdeps/unix/sysv/linux/configure: Regenerated. * config.make.in: Propagate libdir settings from configure to the Makefiles. * shlib-versions: sparc64-*-linux* dynamic linker is /lib64/ld-linux.so.2.
77 lines
2.4 KiB
C
77 lines
2.4 KiB
C
/* FPU control word bits. SPARC v9 version.
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Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Miguel de Icaza
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#ifndef _FPU_CONTROL_H
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#define _FPU_CONTROL_H 1
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#include <features.h>
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#include <bits/wordsize.h>
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/* masking of interrupts */
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#define _FPU_MASK_IM 0x08000000
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#define _FPU_MASK_OM 0x04000000
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#define _FPU_MASK_UM 0x02000000
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#define _FPU_MASK_ZM 0x01000000
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#define _FPU_MASK_PM 0x00800000
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/* precision control */
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#define _FPU_EXTENDED 0x00000000 /* RECOMMENDED */
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#define _FPU_DOUBLE 0x20000000
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#define _FPU_80BIT 0x30000000
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#define _FPU_SINGLE 0x10000000 /* DO NOT USE */
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/* rounding control / Sparc */
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#define _FPU_RC_DOWN 0xc0000000
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#define _FPU_RC_UP 0x80000000
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#define _FPU_RC_ZERO 0x40000000
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#define _FPU_RC_NEAREST 0x0 /* RECOMMENDED */
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#define _FPU_RESERVED 0x30300000 /* Reserved bits in cw */
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/* Now two recommended cw */
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/* Linux and IEEE default:
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- extended precision
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- rounding to nearest
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- no exceptions */
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#define _FPU_DEFAULT 0x0
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#define _FPU_IEEE 0x0
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#if __WORDSIZE == 64
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/* Type of the control word. */
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typedef unsigned long fpu_control_t;
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#define _FPU_GETCW(cw) __asm__ ("stx %%fsr,%0" : "=m" (*&cw))
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#define _FPU_SETCW(cw) __asm__ ("ldx %0,%%fsr" : : "m" (*&cw))
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#else
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/* Type of the control word. */
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typedef unsigned int fpu_control_t;
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#define _FPU_GETCW(cw) __asm__ ("st %%fsr,%0" : "=m" (*&cw))
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#define _FPU_SETCW(cw) __asm__ ("ld %0,%%fsr" : : "m" (*&cw))
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#endif
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/* Default control word set at startup. */
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extern fpu_control_t __fpu_control;
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#endif /* fpu_control.h */
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