diff options
Diffstat (limited to 'REORG.TODO/sysdeps/powerpc/powerpc64/fpu/s_floor.S')
| -rw-r--r-- | REORG.TODO/sysdeps/powerpc/powerpc64/fpu/s_floor.S | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/powerpc/powerpc64/fpu/s_floor.S b/REORG.TODO/sysdeps/powerpc/powerpc64/fpu/s_floor.S new file mode 100644 index 0000000000..4a6cc0ebba --- /dev/null +++ b/REORG.TODO/sysdeps/powerpc/powerpc64/fpu/s_floor.S @@ -0,0 +1,72 @@ +/* Floor function. PowerPC64 version. + Copyright (C) 2004-2017 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> + + .section ".toc","aw" +.LC0: /* 2**52 */ + .tc FD_43300000_0[TC],0x4330000000000000 + .section ".text" + +EALIGN (__floor, 4, 0) + CALL_MCOUNT 0 + lfd fp13,.LC0@toc(2) + fabs fp0,fp1 + fsub fp12,fp13,fp13 /* generate 0.0 */ + fcmpu cr7,fp0,fp13 /* if (fabs(x) > TWO52) */ + mffs fp11 /* Save current FPU rounding mode and + "inexact" state. */ + fcmpu cr6,fp1,fp12 /* if (x > 0.0) */ + bnl- cr7,.L10 + mtfsfi 7,3 /* Set rounding mode toward -inf. */ + ble- cr6,.L4 + fadd fp1,fp1,fp13 /* x+= TWO52; */ + fsub fp1,fp1,fp13 /* x-= TWO52; */ + fabs fp1,fp1 /* if (x == 0.0) */ + /* x = 0.0; */ + mtfsf 0xff,fp11 /* Restore previous rounding mode and + "inexact" state. */ + blr +.L4: + bge- cr6,.L9 /* if (x < 0.0) */ + fsub fp1,fp1,fp13 /* x-= TWO52; */ + fadd fp1,fp1,fp13 /* x+= TWO52; */ + fnabs fp1,fp1 /* if (x == 0.0) */ + /* x = -0.0; */ +.L9: + mtfsf 0xff,fp11 /* Restore previous rounding mode and + "inexact" state. */ + blr +.L10: + /* Ensure sNaN input is converted to qNaN. */ + fcmpu cr7,fp1,fp1 + beqlr cr7 + fadd fp1,fp1,fp1 + blr + END (__floor) + +weak_alias (__floor, floor) + +#ifdef NO_LONG_DOUBLE +weak_alias (__floor, floorl) +strong_alias (__floor, __floorl) +#endif +#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_0) +compat_symbol (libm, __floor, floorl, GLIBC_2_0) +#endif |