diff options
Diffstat (limited to 'sysdeps/sparc/sparc64/fpu/s_trunc.S')
| -rw-r--r-- | sysdeps/sparc/sparc64/fpu/s_trunc.S | 55 |
1 files changed, 0 insertions, 55 deletions
diff --git a/sysdeps/sparc/sparc64/fpu/s_trunc.S b/sysdeps/sparc/sparc64/fpu/s_trunc.S deleted file mode 100644 index 34ecb142d4..0000000000 --- a/sysdeps/sparc/sparc64/fpu/s_trunc.S +++ /dev/null @@ -1,55 +0,0 @@ -/* Truncate argument to nearest integral value not larger than - the argument, sparc64 version. - - Copyright (C) 2013-2016 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by David S. Miller <davem@davemloft.net>, 2013. - - 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, see - <http://www.gnu.org/licenses/>. */ - -#include <sysdep.h> - - /* We pop constants into the FPU registers using the incoming - argument stack slots, since this avoid having to use any PIC - references. We also thus avoid having to allocate a register - window. - - VIS instructions are used to facilitate the formation of - easier constants, and the propagation of the sign bit. */ - -#define TWO_FIFTYTWO 0x43300000 /* 2**52 */ - -#define ZERO %f10 /* 0.0 */ -#define SIGN_BIT %f12 /* -0.0 */ - -ENTRY (__trunc) - sethi %hi(TWO_FIFTYTWO), %o2 - sllx %o2, 32, %o2 - fzero ZERO - fnegd ZERO, SIGN_BIT - stx %o2, [%sp + STACK_BIAS + 128] - fabsd %f0, %f14 - ldd [%sp + STACK_BIAS + 128], %f16 - fcmpd %fcc3, %f14, %f16 - fmovduge %fcc3, ZERO, %f14 - fand %f0, SIGN_BIT, SIGN_BIT - fdtox %f14, %f14 - fxtod %f14, %f14 - faddd %f0, ZERO, %f18 - fmovduge %fcc3, %f18, %f14 - retl - for %f14, SIGN_BIT, %f0 -END (__trunc) -weak_alias (__trunc, trunc) |