diff options
Diffstat (limited to 'sysdeps/powerpc/q_lltoq.c')
-rw-r--r-- | sysdeps/powerpc/q_lltoq.c | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/sysdeps/powerpc/q_lltoq.c b/sysdeps/powerpc/q_lltoq.c deleted file mode 100644 index 6222eff9fc..0000000000 --- a/sysdeps/powerpc/q_lltoq.c +++ /dev/null @@ -1,52 +0,0 @@ -/* 64-bit fixed point signed integer to 128-bit floating point. - Copyright (C) 1997 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. */ - -#include <quad_float.h> - -/* long double _q_ulltoq(long long a); - Convert 'a' to long double. - */ - -void -__q_lltoq(unsigned int result[4], long long a) -{ - unsigned rx; - int cs, css; - - /* Calculate absolute value of 'a'. */ - unsigned long long ua = (a ^ a >> 63) - (a >> 63); - - /* Normalize. */ - cs = cntlzd(a); - ua <<= cs+1; - - /* Calculate the exponent, in 4 easy instructions. */ - css = 63-cs; - rx = 16383+css << 16 & ~css; - - /* Copy the sign bit from 'a'. */ - asm ("rlwimi %0,%1,0,0,0": "=r"(rx) : "r"(a >> 32), "0"(rx)); - - /* Put it all together. */ - result[3] = 0; - asm ("rlwimi %0,%1,16,16,31": "=r"(result[0]) : "r"(ua >> 32), "0"(rx)); - ua <<= 16; - result[2] = ua; - result[1] = ua >> 32; -} |