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| author | David S. Miller <davem@davemloft.net> | 2013-01-14 18:15:49 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-01-14 18:21:59 -0800 |
| commit | 65a82e3dd538aabcdbeacf87fcee32f4e355e5b6 (patch) | |
| tree | 95012e8718dad371e2ba60aed9d5dfaf764f00df /sysdeps/sparc/sparc64 | |
| parent | 93f5c4e2e552e96511e59139dd7b7bc9f630133d (diff) | |
| download | glibc-65a82e3dd538aabcdbeacf87fcee32f4e355e5b6.tar.gz glibc-65a82e3dd538aabcdbeacf87fcee32f4e355e5b6.tar.xz glibc-65a82e3dd538aabcdbeacf87fcee32f4e355e5b6.zip | |
Optimize fdim/fdimf on sparc.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile: Add vis3 fdim/fdimf to libm-sysdep_routines. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdim-vis3.S: New file. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdim.S: New file. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdimf-vis3.S: New file. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdimf.S: New file. * sysdeps/sparc/sparc32/sparcv9/fpu/s_fdim.S: New file. * sysdeps/sparc/sparc32/sparcv9/fpu/s_fdimf.S: New file. * sysdeps/sparc/sparc32/fpu/s_fdim.S: New file. * sysdeps/sparc/sparc32/fpu/s_fdimf.S: New file. * sysdeps/sparc/sparc64/fpu/s_fdim.S: New file. * sysdeps/sparc/sparc64/fpu/s_fdimf.S: New file.
Diffstat (limited to 'sysdeps/sparc/sparc64')
| -rw-r--r-- | sysdeps/sparc/sparc64/fpu/s_fdim.S | 32 | ||||
| -rw-r--r-- | sysdeps/sparc/sparc64/fpu/s_fdimf.S | 31 |
2 files changed, 63 insertions, 0 deletions
diff --git a/sysdeps/sparc/sparc64/fpu/s_fdim.S b/sysdeps/sparc/sparc64/fpu/s_fdim.S new file mode 100644 index 0000000000..a1c53dfb14 --- /dev/null +++ b/sysdeps/sparc/sparc64/fpu/s_fdim.S @@ -0,0 +1,32 @@ +/* Compute positive difference, sparc 64-bit. + Copyright (C) 2013 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by David S. Miller <davem@davemloft.net>. + + 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(__fdim) + fcmpd %f0, %f2 + fbug 1f + nop + fzero %f0 + fnegd %f0, %f2 +1: retl + fsubd %f0, %f2, %f0 +END(__fdim) +weak_alias (__fdim, fdim) diff --git a/sysdeps/sparc/sparc64/fpu/s_fdimf.S b/sysdeps/sparc/sparc64/fpu/s_fdimf.S new file mode 100644 index 0000000000..61782a5f30 --- /dev/null +++ b/sysdeps/sparc/sparc64/fpu/s_fdimf.S @@ -0,0 +1,31 @@ +/* Compute positive difference, sparc 64-bit. + Copyright (C) 2013 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by David S. Miller <davem@davemloft.net>. + + 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(__fdimf) + fcmps %f1, %f3 + fbug 1f + nop + fzeros %f1 + fnegs %f1, %f3 +1: retl + fsubs %f1, %f3, %f0 +END(__fdimf) +weak_alias (__fdimf, fdimf) |