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| author | David S. Miller <davem@davemloft.net> | 2012-03-14 16:29:47 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-03-14 16:43:09 -0700 |
| commit | eae47a361821b60ad4274feae1d6e3fa4572cd0a (patch) | |
| tree | 00abf7a0cd073fc519d074d18f1163a8f47ee0c2 /sysdeps/sparc/sparc64/fpu/multiarch/s_signbit-vis3.S | |
| parent | 7bd951ff59e0443ca1bdd5b0ea58f6f4f641ac73 (diff) | |
| download | glibc-eae47a361821b60ad4274feae1d6e3fa4572cd0a.tar glibc-eae47a361821b60ad4274feae1d6e3fa4572cd0a.tar.gz glibc-eae47a361821b60ad4274feae1d6e3fa4572cd0a.tar.bz2 glibc-eae47a361821b60ad4274feae1d6e3fa4572cd0a.zip | |
Add framework for using sparc VIS3 instructions, use it for copysign/signbit.
* sysdeps/sparc/configure.in: New file.
* sysdeps/sparc/configure: Generate.
* configure.in (libc_cv_sparc_as_vis3): Substitute.
* configure: Regenerate.
* config.h.in (HAVE_AS_VIS3_SUPPORT): New.
* config.make.in (have-as-vis3): New.
* sysdeps/sparc/sparc32/sparcv9/Makefile (ASFLAGS-*): If VIS3 is
available use -Av9d instead of -Av9a.
* sysdeps/sparc/sparc64/Makefile: Likewise.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile: New file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_copysign-vis3.S: New file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_copysign.S: New file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_copysignf-vis3.S: New file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_copysignf.S: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/Makefile: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_signbit-vis3.S: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_signbit.S: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_signbitf-vis3.S: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_signbitf.S: New file.
Diffstat (limited to 'sysdeps/sparc/sparc64/fpu/multiarch/s_signbit-vis3.S')
| -rw-r--r-- | sysdeps/sparc/sparc64/fpu/multiarch/s_signbit-vis3.S | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/sysdeps/sparc/sparc64/fpu/multiarch/s_signbit-vis3.S b/sysdeps/sparc/sparc64/fpu/multiarch/s_signbit-vis3.S new file mode 100644 index 0000000000..8d54e32ac4 --- /dev/null +++ b/sysdeps/sparc/sparc64/fpu/multiarch/s_signbit-vis3.S @@ -0,0 +1,25 @@ +/* signbit(). sparc64 vis3 version. + Copyright (C) 2012 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> + +ENTRY (__signbit_vis3) + movdtox %f0, %o0 + retl + srlx %o0, 63, %o0 +END (__signbit_vis3) |