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Diffstat (limited to 'sysdeps/powerpc/powerpc32/power5+/fpu/s_lround.S')
| -rw-r--r-- | sysdeps/powerpc/powerpc32/power5+/fpu/s_lround.S | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/sysdeps/powerpc/powerpc32/power5+/fpu/s_lround.S b/sysdeps/powerpc/powerpc32/power5+/fpu/s_lround.S deleted file mode 100644 index 09fa022e9e..0000000000 --- a/sysdeps/powerpc/powerpc32/power5+/fpu/s_lround.S +++ /dev/null @@ -1,51 +0,0 @@ -/* lround function. POWER5+, PowerPC32 version. - Copyright (C) 2006-2018 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 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> -#include <math_ldbl_opt.h> -#include <libm-alias-float.h> -#include <libm-alias-double.h> - -/* long [r3] lround (float x [fp1]) - IEEE 1003.1 lround function. IEEE specifies "round to the nearest - integer value, rounding halfway cases away from zero, regardless of - the current rounding mode." However PowerPC Architecture defines - "round to Nearest" as "Choose the best approximation. In case of a - tie, choose the one that is even (least significant bit o).". - So we pre-round using the V2.02 Floating Round to Integer Nearest - instruction before we use the Floating Convert to Integer Word with - round to zero instruction. */ - - .machine "power5" -ENTRY (__lround) - stwu r1,-16(r1) - cfi_adjust_cfa_offset (16) - frin fp2,fp1 - fctiwz fp3,fp2 /* Convert To Integer Word lround toward 0. */ - stfd fp3,8(r1) - nop /* Ensure the following load is in a different dispatch */ - nop /* group to avoid pipe stall on POWER4&5. */ - nop - lwz r3,8+LOWORD(r1) - addi r1,r1,16 - blr - END (__lround) - -libm_alias_double (__lround, lround) - -strong_alias (__lround, __lroundf) -libm_alias_float (__lround, lround) |