diff options
Diffstat (limited to 'REORG.TODO/sysdeps/powerpc/powerpc32/fpu/s_fabsl.S')
| -rw-r--r-- | REORG.TODO/sysdeps/powerpc/powerpc32/fpu/s_fabsl.S | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/powerpc/powerpc32/fpu/s_fabsl.S b/REORG.TODO/sysdeps/powerpc/powerpc32/fpu/s_fabsl.S new file mode 100644 index 0000000000..75608ec70c --- /dev/null +++ b/REORG.TODO/sysdeps/powerpc/powerpc32/fpu/s_fabsl.S @@ -0,0 +1,52 @@ +/* Copy a sign bit between floating-point values. + IBM extended format long double 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> + +ENTRY(__fabsl) +/* long double [f1,f2] fabs (long double [f1,f2] x); + fabs(x,y) returns a value with the magnitude of x and + with the sign bit of y. */ +#ifdef _ARCH_PPCGR + /* fsel available. */ + fmr fp0,fp1 +#else + /* Use integer operations to test sign of high part to avoid + exceptions on sNaNs. */ + stwu r1,-16(r1) + cfi_adjust_cfa_offset (16) + stfd fp1,8(r1) +#endif + fabs fp1,fp1 +#ifdef _ARCH_PPCGR + fneg fp3,fp2 + fsel fp2,fp0,fp2,fp3 +#else + lwz r3,8+HIWORD(r1) + cmpwi cr6,r3,0 + addi r1,r1,16 + cfi_adjust_cfa_offset (-16) + bgelr cr6 + fneg fp2,fp2 +#endif + blr +END (__fabsl) + +long_double_symbol (libm, __fabsl, fabsl) |