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Diffstat (limited to 'ANDROID_3.4.5/arch/m68k/math-emu/fp_emu.h')
| -rw-r--r-- | ANDROID_3.4.5/arch/m68k/math-emu/fp_emu.h | 146 |
1 files changed, 0 insertions, 146 deletions
diff --git a/ANDROID_3.4.5/arch/m68k/math-emu/fp_emu.h b/ANDROID_3.4.5/arch/m68k/math-emu/fp_emu.h deleted file mode 100644 index c1ecfef7..00000000 --- a/ANDROID_3.4.5/arch/m68k/math-emu/fp_emu.h +++ /dev/null @@ -1,146 +0,0 @@ -/* - * fp_emu.h - * - * Copyright Roman Zippel, 1997. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, and the entire permission notice in its entirety, - * including the disclaimer of warranties. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote - * products derived from this software without specific prior - * written permission. - * - * ALTERNATIVELY, this product may be distributed under the terms of - * the GNU General Public License, in which case the provisions of the GPL are - * required INSTEAD OF the above restrictions. (This clause is - * necessary due to a potential bad interaction between the GPL and - * the restrictions contained in a BSD-style copyright.) - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, - * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES - * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED - * OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#ifndef _FP_EMU_H -#define _FP_EMU_H - -#ifdef __ASSEMBLY__ -#include <asm/asm-offsets.h> -#endif -#include <asm/math-emu.h> - -#ifndef __ASSEMBLY__ - -#define IS_INF(a) ((a)->exp == 0x7fff) -#define IS_ZERO(a) ((a)->mant.m64 == 0) - - -#define fp_set_sr(bit) ({ \ - FPDATA->fpsr |= 1 << (bit); \ -}) - -#define fp_set_quotient(quotient) ({ \ - FPDATA->fpsr &= 0xff00ffff; \ - FPDATA->fpsr |= ((quotient) & 0xff) << 16; \ -}) - -/* linkage for several useful functions */ - -/* Normalize the extended struct, return 0 for a NaN */ -#define fp_normalize_ext(fpreg) ({ \ - register struct fp_ext *reg asm ("a0") = fpreg; \ - register int res asm ("d0"); \ - \ - asm volatile ("jsr fp_conv_ext2ext" \ - : "=d" (res) : "a" (reg) \ - : "a1", "d1", "d2", "memory"); \ - res; \ -}) - -#define fp_copy_ext(dest, src) ({ \ - *dest = *src; \ -}) - -#define fp_monadic_check(dest, src) ({ \ - fp_copy_ext(dest, src); \ - if (!fp_normalize_ext(dest)) \ - return dest; \ -}) - -#define fp_dyadic_check(dest, src) ({ \ - if (!fp_normalize_ext(dest)) \ - return dest; \ - if (!fp_normalize_ext(src)) { \ - fp_copy_ext(dest, src); \ - return dest; \ - } \ -}) - -extern const struct fp_ext fp_QNaN; -extern const struct fp_ext fp_Inf; - -#define fp_set_nan(dest) ({ \ - fp_set_sr(FPSR_EXC_OPERR); \ - *dest = fp_QNaN; \ -}) - -/* TODO check rounding mode? */ -#define fp_set_ovrflw(dest) ({ \ - fp_set_sr(FPSR_EXC_OVFL); \ - dest->exp = 0x7fff; \ - dest->mant.m64 = 0; \ -}) - -#define fp_conv_ext2long(src) ({ \ - register struct fp_ext *__src asm ("a0") = src; \ - register int __res asm ("d0"); \ - \ - asm volatile ("jsr fp_conv_ext2long" \ - : "=d" (__res) : "a" (__src) \ - : "a1", "d1", "d2", "memory"); \ - __res; \ -}) - -#define fp_conv_long2ext(dest, src) ({ \ - register struct fp_ext *__dest asm ("a0") = dest; \ - register int __src asm ("d0") = src; \ - \ - asm volatile ("jsr fp_conv_ext2long" \ - : : "d" (__src), "a" (__dest) \ - : "a1", "d1", "d2", "memory"); \ -}) - -#else /* __ASSEMBLY__ */ - -/* - * set, reset or clear a bit in the fp status register - */ -.macro fp_set_sr bit - bset #(\bit&7),(FPD_FPSR+3-(\bit/8),FPDATA) -.endm - -.macro fp_clr_sr bit - bclr #(\bit&7),(FPD_FPSR+3-(\bit/8),FPDATA) -.endm - -.macro fp_tst_sr bit - btst #(\bit&7),(FPD_FPSR+3-(\bit/8),FPDATA) -.endm - -#endif /* __ASSEMBLY__ */ - -#endif /* _FP_EMU_H */ |