diff options
Diffstat (limited to 'sysdeps/powerpc/powerpc32/fpu/s_nearbyint.S')
| -rw-r--r-- | sysdeps/powerpc/powerpc32/fpu/s_nearbyint.S | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/sysdeps/powerpc/powerpc32/fpu/s_nearbyint.S b/sysdeps/powerpc/powerpc32/fpu/s_nearbyint.S deleted file mode 100644 index 4ed5d702f1..0000000000 --- a/sysdeps/powerpc/powerpc32/fpu/s_nearbyint.S +++ /dev/null @@ -1,80 +0,0 @@ -/* Round to int floating-point values. PowerPC32 version. - Copyright (C) 2011-2019 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Adhemerval Zanella <azanella@br.ibm.com>, 2011 - - 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/>. */ - -/* This has been coded in assembler because GCC makes such a mess of it - when it's coded in C. */ - -#include <sysdep.h> -#include <math_ldbl_opt.h> -#include <libm-alias-double.h> - - -/* double [fp1] nearbyint(double [fp1] x) */ - - .section .rodata.cst4,"aM",@progbits,4 - .align 2 -.LC0: /* 2**52 */ - .long 0x59800000 /* TWO52: 2**52 */ - - .section ".text" -ENTRY (__nearbyint) -#ifdef SHARED - mflr r11 - cfi_register(lr,r11) - bcl 20,31,1f -1: mflr r9 - addis r9,r9,.LC0-1b@ha - lfs fp13,.LC0-1b@l(r9) - mtlr r11 - cfi_same_value (lr) -#else - lis r9,.LC0@ha - lfs fp13,.LC0@l(r9) -#endif - fabs fp0,fp1 - fsub fp12,fp13,fp13 /* generate 0.0 */ - fcmpu cr7,fp0,fp13 /* if (fabs(x) > TWO52 */ - bge cr7,.L10 - fcmpu cr7,fp1,fp12 /* if (x > 0.0 */ - ble cr7,L(lessthanzero) - mffs fp11 - mtfsb0 4*cr7+lt /* Disable FE_INEXACT exception */ - fadd fp1,fp1,fp13 /* x += TWO52 */ - fsub fp1,fp1,fp13 /* x -= TWO52 */ - fabs fp1,fp1 /* if (x == 0.0 */ - mtfsf 0xff,fp11 /* Restore FE_INEXACT state. */ - blr -L(lessthanzero): - bgelr cr7 - mffs fp11 - mtfsb0 4*cr7+lt /* Disable FE_INEXACT exception */ - fsub fp1,fp1,fp13 /* x -= TWO52 */ - fadd fp1,fp1,fp13 /* x += TWO52 */ - fnabs fp1,fp1 /* if (x == 0.0) */ - mtfsf 0xff,fp11 /* Restore FE_INEXACT state. */ - blr -.L10: - /* Ensure sNaN input is converted to qNaN. */ - fcmpu cr7,fp1,fp1 - beqlr cr7 - fadd fp1,fp1,fp1 - blr -END (__nearbyint) - -libm_alias_double (__nearbyint, nearbyint) |