diff options
Diffstat (limited to 'sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_floorf-vis3.S')
| -rw-r--r-- | sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_floorf-vis3.S | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_floorf-vis3.S b/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_floorf-vis3.S deleted file mode 100644 index bf7da6fbfa..0000000000 --- a/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_floorf-vis3.S +++ /dev/null @@ -1,59 +0,0 @@ -/* Float floor function, sparc32 v9 vis3 version. - Copyright (C) 2012-2016 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by David S. Miller <davem@davemloft.net>, 2012. - - 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> - - /* 'siam' (Set Interval Arithmetic Mode) is used to quickly override - the rounding mode during this routine. - - We add then subtract (or subtract than add if the initial - value was negative) 2**23 to the value, then subtract it - back out. - - This will clear out the fractional portion of the value and, - with suitable 'siam' initiated rouding mode settings, round - the final result in the proper direction. - - We also use VIS3 moves to avoid using the stack to transfer - values between float and integer registers. */ - -#define TWO_TWENTYTHREE 0x4b000000 /* 2**23 */ - -#define ZERO %f10 /* 0.0 */ -#define SIGN_BIT %f12 /* -0.0 */ - -ENTRY (__floorf_vis3) - movwtos %o0, %f0 - sethi %hi(TWO_TWENTYTHREE), %o2 - fzeros ZERO - fnegs ZERO, SIGN_BIT - movwtos %o2, %f16 - fabss %f0, %f14 - fcmps %fcc3, %f14, %f16 - fmovsuge %fcc3, ZERO, %f16 - fands %f0, SIGN_BIT, SIGN_BIT - fors %f16, SIGN_BIT, %f16 - siam (1 << 2) | 3 - fadds %f0, %f16, %f1 - siam (1 << 2) | 0 - fsubs %f1, %f16, %f1 - siam (0 << 2) - retl - fors %f1, SIGN_BIT, %f0 -END (__floorf_vis3) |