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| author | David S. Miller <davem@davemloft.net> | 2012-02-28 00:33:00 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-02-28 00:33:00 -0800 |
| commit | 741a235bf611dd5ea646c918ac98ae5b2a0afe51 (patch) | |
| tree | 66a35f262d497f832d9d822238f86c4d88565143 /sysdeps/sparc/sparc32/fpu | |
| parent | 1aff59a3f78e2eea23c5303cede967613bd13bfc (diff) | |
| download | glibc-741a235bf611dd5ea646c918ac98ae5b2a0afe51.tar glibc-741a235bf611dd5ea646c918ac98ae5b2a0afe51.tar.gz glibc-741a235bf611dd5ea646c918ac98ae5b2a0afe51.tar.bz2 glibc-741a235bf611dd5ea646c918ac98ae5b2a0afe51.zip | |
Add optimized copysign for sparc.
* sysdeps/sparc/sparc32/fpu/s_copysign.S: New file.
* sysdeps/sparc/sparc32/fpu/s_copysignf.S: New file.
* sysdeps/sparc/sparc64/fpu/s_copysign.S: New file.
* sysdeps/sparc/sparc64/fpu/s_copysignf.S: New file.
Diffstat (limited to 'sysdeps/sparc/sparc32/fpu')
| -rw-r--r-- | sysdeps/sparc/sparc32/fpu/s_copysign.S | 31 | ||||
| -rw-r--r-- | sysdeps/sparc/sparc32/fpu/s_copysignf.S | 31 |
2 files changed, 62 insertions, 0 deletions
diff --git a/sysdeps/sparc/sparc32/fpu/s_copysign.S b/sysdeps/sparc/sparc32/fpu/s_copysign.S new file mode 100644 index 0000000000..18c44c5d3c --- /dev/null +++ b/sysdeps/sparc/sparc32/fpu/s_copysign.S @@ -0,0 +1,31 @@ +/* copysign function, sparc32 version. + Copyright (C) 2012 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by David S. Miller <davem@davemloft.net>, 2012. + + 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> + +ENTRY (__copysign) + sethi %hi(0x80000000), %g1 + and %o2, %g1, %o4 + andn %o0, %g1, %o0 + or %o0, %o4, %o0 + std %o0, [%sp + 72] + retl + ldd [%sp + 72], %f0 +END (__copysign) +weak_alias (__copysign, copysign)
\ No newline at end of file diff --git a/sysdeps/sparc/sparc32/fpu/s_copysignf.S b/sysdeps/sparc/sparc32/fpu/s_copysignf.S new file mode 100644 index 0000000000..7753c35e87 --- /dev/null +++ b/sysdeps/sparc/sparc32/fpu/s_copysignf.S @@ -0,0 +1,31 @@ +/* float copysign function, sparc32 version. + Copyright (C) 2012 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by David S. Miller <davem@davemloft.net>, 2012. + + 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> + +ENTRY (__copysignf) + sethi %hi(0x80000000), %g1 + and %o1, %g1, %o4 + andn %o0, %g1, %o0 + or %o0, %o4, %o0 + st %o0, [%sp + 68] + retl + ld [%sp + 68], %f0 +END (__copysignf) +weak_alias (__copysignf, copysignf)
\ No newline at end of file |