diff options
Diffstat (limited to 'REORG.TODO/sysdeps/x86_64/fpu/s_copysignf.S')
-rw-r--r-- | REORG.TODO/sysdeps/x86_64/fpu/s_copysignf.S | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/x86_64/fpu/s_copysignf.S b/REORG.TODO/sysdeps/x86_64/fpu/s_copysignf.S new file mode 100644 index 0000000000..213c2d3c2c --- /dev/null +++ b/REORG.TODO/sysdeps/x86_64/fpu/s_copysignf.S @@ -0,0 +1,45 @@ +/* copy sign, double version. + Copyright (C) 2002-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Andreas Jaeger <aj@suse.de>, 2002. + + 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 <machine/asm.h> + + .section .rodata + + .align ALIGNARG(4) + .type mask,@object +mask: + .byte 0xff, 0xff, 0xff, 0x7f + ASM_SIZE_DIRECTIVE(mask) + +#ifdef PIC +#define MO(op) op##(%rip) +#else +#define MO(op) op +#endif + + .text +ENTRY(__copysignf) + movss MO(mask),%xmm3 + andps %xmm3,%xmm0 + andnps %xmm1,%xmm3 + orps %xmm3,%xmm0 + retq +END (__copysignf) + +weak_alias (__copysignf, copysignf) |