diff options
Diffstat (limited to 'sysdeps/sparc/sparc64/fpu/s_nearbyint.S')
| -rw-r--r-- | sysdeps/sparc/sparc64/fpu/s_nearbyint.S | 64 |
1 files changed, 0 insertions, 64 deletions
diff --git a/sysdeps/sparc/sparc64/fpu/s_nearbyint.S b/sysdeps/sparc/sparc64/fpu/s_nearbyint.S deleted file mode 100644 index 05ed2bce40..0000000000 --- a/sysdeps/sparc/sparc64/fpu/s_nearbyint.S +++ /dev/null @@ -1,64 +0,0 @@ -/* Round float to int floating-point values without generating - an inexact exception, sparc64 version. - - Copyright (C) 2013-2017 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 (__nearbyint) - fcmpd %fcc3, %f0, %f0 /* Check for sNaN */ - stx %fsr, [%sp + STACK_BIAS + 144] - sethi %hi(TWO_FIFTYTWO), %o2 - sllx %o2, 32, %o2 - ldx [%sp + STACK_BIAS + 144], %o4 - sethi %hi(0xf8003e0), %o5 - fzero ZERO - or %o5, %lo(0xf8003e0), %o5 - fnegd ZERO, SIGN_BIT - andn %o4, %o5, %o4 - stx %o2, [%sp + STACK_BIAS + 128] - stx %o4, [%sp + STACK_BIAS + 136] - ldx [%sp + STACK_BIAS + 136], %fsr - fabsd %f0, %f14 - ldd [%sp + STACK_BIAS + 128], %f16 - fcmpd %fcc3, %f14, %f16 - fmovduge %fcc3, ZERO, %f16 - fand %f0, SIGN_BIT, SIGN_BIT - for %f16, SIGN_BIT, %f16 - faddd %f0, %f16, %f6 - fsubd %f6, %f16, %f0 - fabsd %f0, %f0 - for %f0, SIGN_BIT, %f0 - retl - ldx [%sp + STACK_BIAS + 144], %fsr -END (__nearbyint) -weak_alias (__nearbyint, nearbyint) |