diff options
Diffstat (limited to 'sysdeps/arm/fpu')
| -rw-r--r-- | sysdeps/arm/fpu/__longjmp.S | 10 | ||||
| -rw-r--r-- | sysdeps/arm/fpu/ieee754.h | 115 |
2 files changed, 5 insertions, 120 deletions
diff --git a/sysdeps/arm/fpu/__longjmp.S b/sysdeps/arm/fpu/__longjmp.S index 8afa177b20..25ba6b39fa 100644 --- a/sysdeps/arm/fpu/__longjmp.S +++ b/sysdeps/arm/fpu/__longjmp.S @@ -25,12 +25,12 @@ /* __longjmp(jmpbuf, val) */ ENTRY (__longjmp) - movs r2, r0 + mov ip, r0 /* save jmp_buf pointer */ + movs r0, r1 /* get the return value in place */ - moveq r1, #1 /* can't let setjmp() return zero! */ + moveq r0, #1 /* can't let setjmp() return zero! */ - add r2, r2, #48 - lfmfd f4, 4, [r2] + lfmia f4, 4, [ip] ! /* load the floating point regs */ - LOADREGS(ia, r2, {v1-v6, sl, fp, sp, pc}) + LOADREGS(ia, ip, {v1-v6, sl, fp, sp, pc}) END (__longjmp) diff --git a/sysdeps/arm/fpu/ieee754.h b/sysdeps/arm/fpu/ieee754.h deleted file mode 100644 index 73f7d6a376..0000000000 --- a/sysdeps/arm/fpu/ieee754.h +++ /dev/null @@ -1,115 +0,0 @@ -/* Copyright (C) 1992, 1995, 1996, 1998 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 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 _IEEE754_H - -#define _IEEE754_H 1 -#include <features.h> - -#include <endian.h> - -__BEGIN_DECLS - -union ieee754_float - { - float f; - - /* This is the IEEE 754 single-precision format. */ - struct - { - unsigned int mantissa:23; - unsigned int exponent:8; - unsigned int negative:1; - } ieee; - - /* This format makes it easier to see if a NaN is a signalling NaN. */ - struct - { - unsigned int mantissa:22; - unsigned int quiet_nan:1; - unsigned int exponent:8; - unsigned int negative:1; - } ieee_nan; - }; - -#define IEEE754_FLOAT_BIAS 0x7f /* Added to exponent. */ - - -union ieee754_double - { - double d; - - /* This is the IEEE 754 double-precision format. */ - struct - { - unsigned int mantissa0:20; - unsigned int exponent:11; - unsigned int negative:1; - unsigned int mantissa1:32; - } ieee; - - /* This format makes it easier to see if a NaN is a signalling NaN. */ - struct - { - unsigned int mantissa0:19; - unsigned int quiet_nan:1; - unsigned int exponent:11; - unsigned int negative:1; - unsigned int mantissa1:32; - } ieee_nan; - }; - -#define IEEE754_DOUBLE_BIAS 0x3ff /* Added to exponent. */ - - -/* The following two structures are correct for `new' floating point systems but - wrong for the old FPPC. The only solution seems to be to avoid their use on - old hardware. */ - -union ieee854_long_double - { - long double d; - - /* This is the IEEE 854 double-extended-precision format. */ - struct - { - unsigned int exponent:15; - unsigned int empty:16; - unsigned int negative:1; - unsigned int mantissa1:32; - unsigned int mantissa0:32; - } ieee; - - /* This is for NaNs in the IEEE 854 double-extended-precision format. */ - struct - { - unsigned int exponent:15; - unsigned int empty:16; - unsigned int negative:1; - unsigned int mantissa1:32; - unsigned int mantissa0:30; - unsigned int quiet_nan:1; - unsigned int one:1; - } ieee_nan; - }; - -#define IEEE854_LONG_DOUBLE_BIAS 0x3fff - -__END_DECLS - -#endif /* ieee754.h */ |