diff options
Diffstat (limited to 'sysdeps/powerpc/powerpc32/fpu/s_copysignl.S')
| -rw-r--r-- | sysdeps/powerpc/powerpc32/fpu/s_copysignl.S | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/sysdeps/powerpc/powerpc32/fpu/s_copysignl.S b/sysdeps/powerpc/powerpc32/fpu/s_copysignl.S new file mode 100644 index 0000000000..64b6a45437 --- /dev/null +++ b/sysdeps/powerpc/powerpc32/fpu/s_copysignl.S @@ -0,0 +1,50 @@ +/* Copy a sign bit between floating-point values. + IBM extended format long double version. + Copyright (C) 2006 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <sysdep.h> +#include <math_ldbl_opt.h> + +ENTRY(__copysignl) +/* long double [f1,f2] copysign (long double [f1,f2] x, long double [f3,f4] y); + copysign(x,y) returns a value with the magnitude of x and + with the sign bit of y. */ + stwu r1,-16(r1) + cfi_adjust_cfa_offset (16) + stfd fp3,8(r1) + fmr fp0,fp1 + fabs fp1,fp1 + fcmpu cr7,fp0,fp1 + lwz r3,8(r1) + cmpwi cr6,r3,0 + addi r1,r1,16 + cfi_adjust_cfa_offset (-16) + beq cr7,L(0) + fneg fp2,fp2 +L(0): bgelr cr6 + fneg fp1,fp1 + fneg fp2,fp2 + blr +END (__copysignl) + +#ifdef IS_IN_libm +long_double_symbol (libm, __copysignl, copysignl) +#else +long_double_symbol (libc, __copysignl, copysignl) +#endif |