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author | Jakub Jelinek <jakub@redhat.com> | 2007-07-12 18:26:36 +0000 |
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committer | Jakub Jelinek <jakub@redhat.com> | 2007-07-12 18:26:36 +0000 |
commit | 0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (patch) | |
tree | 2ea1f8305970753e4a657acb2ccc15ca3eec8e2c /sysdeps/i386/fpu/bits | |
parent | 7d58530341304d403a6626d7f7a1913165fe2f32 (diff) | |
download | glibc-0ecb606cb6cf65de1d9fc8a919bceb4be476c602.tar.gz glibc-0ecb606cb6cf65de1d9fc8a919bceb4be476c602.tar.xz glibc-0ecb606cb6cf65de1d9fc8a919bceb4be476c602.zip |
2.5-18.1
Diffstat (limited to 'sysdeps/i386/fpu/bits')
-rw-r--r-- | sysdeps/i386/fpu/bits/mathdef.h | 46 | ||||
-rw-r--r-- | sysdeps/i386/fpu/bits/mathinline.h | 44 |
2 files changed, 29 insertions, 61 deletions
diff --git a/sysdeps/i386/fpu/bits/mathdef.h b/sysdeps/i386/fpu/bits/mathdef.h deleted file mode 100644 index ec42ed5df9..0000000000 --- a/sysdeps/i386/fpu/bits/mathdef.h +++ /dev/null @@ -1,46 +0,0 @@ -/* Copyright (C) 1997, 1998, 1999, 2000, 2004 Free Software Foundation, Inc. - 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 Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#if !defined _MATH_H && !defined _COMPLEX_H -# error "Never use <bits/mathdef.h> directly; include <math.h> instead" -#endif - -#if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF -# define _MATH_H_MATHDEF 1 - -# if defined __FLT_EVAL_METHOD__ && __FLT_EVAL_METHOD__ == 0 -/* When using -mfpmath=sse, values are computed with the precission of the - used type. */ -typedef float float_t; /* `float' expressions are evaluated as `float'. */ -typedef double double_t; /* `double' expressions are evaluated as - `double'. */ -# else -/* The ix87 FPUs evaluate all values in the 80 bit floating-point format - which is also available for the user as `long double'. Therefore we - define: */ -typedef long double float_t; /* `float' expressions are evaluated as - `long double'. */ -typedef long double double_t; /* `double' expressions are evaluated as - `long double'. */ -# endif - -/* The values returned by `ilogb' for 0 and NaN respectively. */ -# define FP_ILOGB0 (-2147483647 - 1) -# define FP_ILOGBNAN (-2147483647 - 1) - -#endif /* ISO C99 */ diff --git a/sysdeps/i386/fpu/bits/mathinline.h b/sysdeps/i386/fpu/bits/mathinline.h index e04ce95099..28547d44b8 100644 --- a/sysdeps/i386/fpu/bits/mathinline.h +++ b/sysdeps/i386/fpu/bits/mathinline.h @@ -1,5 +1,5 @@ /* Inline math functions for i387. - Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004 + Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by John C. Bowman <bowman@math.ualberta.ca>, 1995. @@ -529,24 +529,38 @@ __inline_mathcodeNP (tanh, __x, \ __inline_mathcodeNP (floor, __x, \ register long double __value; \ - __volatile unsigned short int __cw; \ - __volatile unsigned short int __cwtmp; \ - __asm __volatile ("fnstcw %0" : "=m" (__cw)); \ - __cwtmp = (__cw & 0xf3ff) | 0x0400; /* rounding down */ \ - __asm __volatile ("fldcw %0" : : "m" (__cwtmp)); \ - __asm __volatile ("frndint" : "=t" (__value) : "0" (__x)); \ - __asm __volatile ("fldcw %0" : : "m" (__cw)); \ + register int __ignore; \ + unsigned short int __cw; \ + unsigned short int __cwtmp; \ + __asm __volatile ("fnstcw %3\n\t" \ + "movzwl %3, %1\n\t" \ + "andl $0xf3ff, %1\n\t" \ + "orl $0x0400, %1\n\t" /* rounding down */ \ + "movw %w1, %2\n\t" \ + "fldcw %2\n\t" \ + "frndint\n\t" \ + "fldcw %3" \ + : "=t" (__value), "=&q" (__ignore), "=m" (__cwtmp), \ + "=m" (__cw) \ + : "0" (__x)); \ return __value) __inline_mathcodeNP (ceil, __x, \ register long double __value; \ - __volatile unsigned short int __cw; \ - __volatile unsigned short int __cwtmp; \ - __asm __volatile ("fnstcw %0" : "=m" (__cw)); \ - __cwtmp = (__cw & 0xf3ff) | 0x0800; /* rounding up */ \ - __asm __volatile ("fldcw %0" : : "m" (__cwtmp)); \ - __asm __volatile ("frndint" : "=t" (__value) : "0" (__x)); \ - __asm __volatile ("fldcw %0" : : "m" (__cw)); \ + register int __ignore; \ + unsigned short int __cw; \ + unsigned short int __cwtmp; \ + __asm __volatile ("fnstcw %3\n\t" \ + "movzwl %3, %1\n\t" \ + "andl $0xf3ff, %1\n\t" \ + "orl $0x0800, %1\n\t" /* rounding up */ \ + "movw %w1, %2\n\t" \ + "fldcw %2\n\t" \ + "frndint\n\t" \ + "fldcw %3" \ + : "=t" (__value), "=&q" (__ignore), "=m" (__cwtmp), \ + "=m" (__cw) \ + : "0" (__x)); \ return __value) #ifdef __FAST_MATH__ |