about summary refs log tree commit diff
path: root/sysdeps/powerpc/q_qtoi.c
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/powerpc/q_qtoi.c')
-rw-r--r--sysdeps/powerpc/q_qtoi.c65
1 files changed, 0 insertions, 65 deletions
diff --git a/sysdeps/powerpc/q_qtoi.c b/sysdeps/powerpc/q_qtoi.c
deleted file mode 100644
index a2b1b3fe56..0000000000
--- a/sysdeps/powerpc/q_qtoi.c
+++ /dev/null
@@ -1,65 +0,0 @@
-/* 128-bit floating point to 32-bit fixed point signed integer.
-   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>
-
-/* int _q_qtoi(const long double *a);
-   Convert 'a' to signed int by truncation.
-
-   Special cases:
-   NaN: raise VXCVI, return 0x80000000
-   SNaN: raise VXSNAN, VXCVI, and return 0x80000000
-   >= 2^32: raise VXCVI, return 0x7fffffff
-   <= -2^32: raise VXCVI, return 0x80000000
-   */
-
-int
-__q_qtoi(const unsigned long long a[2])
-{
-  int ax, sgn;
-  unsigned long long a0;
-
-  a0 = a[0];
-  /* 'sgn' is -1 if 'a' is negative, 0 if positive.  */
-  sgn = (long long)a0 >> 63;
-  ax = (a0 >> 48 & 0x7fff) - 16383;
-  /* Deal with non-special cases.  */
-  if (ax <= 30)
-    /* If we had a '>>' operator that behaved properly with respect to
-       large shifts, we wouldn't need the '& -(ax >> 31)' term, which
-       clears 'result' if ax is negative.  The '^ sgn) - sgn' part is
-       equivalent in this case to multiplication by 'sgn', but usually
-       faster.  */
-    return (((unsigned)(a0 >> 17  |  0x80000000) >> 31-ax  &  -(ax >> 31))
-	    ^ sgn) - sgn;
-
-  /* Check for SNaN, if so raise VXSNAN.  */
-  if ((a0 >> 32  &  0x7fff8000) == 0x7fff0000
-      && (a[1]  |  a0 & 0x00007fffffffffffULL) != 0)
-    set_fpscr_bit(FPSCR_VXSNAN);
-
-  /* Treat all NaNs as large negative numbers.  */
-  sgn |= -cntlzw(~(a0 >> 32)  &  0x7fff0000) >> 5;
-
-  /* All the specials raise VXCVI.  */
-  set_fpscr_bit(FPSCR_VXCVI);
-
-  /* Return 0x7fffffff (if a < 0) or 0x80000000 (otherwise).  */
-  return sgn ^ 0x7fffffff;
-}