From 65a82e3dd538aabcdbeacf87fcee32f4e355e5b6 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Mon, 14 Jan 2013 18:15:49 -0800 Subject: 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. --- sysdeps/sparc/sparc64/fpu/s_fdim.S | 32 ++++++++++++++++++++++++++++++++ sysdeps/sparc/sparc64/fpu/s_fdimf.S | 31 +++++++++++++++++++++++++++++++ 2 files changed, 63 insertions(+) create mode 100644 sysdeps/sparc/sparc64/fpu/s_fdim.S create mode 100644 sysdeps/sparc/sparc64/fpu/s_fdimf.S (limited to 'sysdeps/sparc/sparc64/fpu') 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 . + + 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 + . */ + +#include +#include + +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 . + + 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 + . */ + +#include + +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) -- cgit 1.4.1