From eae47a361821b60ad4274feae1d6e3fa4572cd0a Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Wed, 14 Mar 2012 16:29:47 -0700 Subject: 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. --- .../sparc/sparc64/fpu/multiarch/s_signbitf-vis3.S | 25 ++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 sysdeps/sparc/sparc64/fpu/multiarch/s_signbitf-vis3.S (limited to 'sysdeps/sparc/sparc64/fpu/multiarch/s_signbitf-vis3.S') diff --git a/sysdeps/sparc/sparc64/fpu/multiarch/s_signbitf-vis3.S b/sysdeps/sparc/sparc64/fpu/multiarch/s_signbitf-vis3.S new file mode 100644 index 0000000000..004b0870d6 --- /dev/null +++ b/sysdeps/sparc/sparc64/fpu/multiarch/s_signbitf-vis3.S @@ -0,0 +1,25 @@ +/* signbitf(). 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 + . */ + +#include + +ENTRY (__signbitf_vis3) + movstouw %f1, %o0 + retl + srl %o0, 31, %o0 +END (__signbitf_vis3) -- cgit v1.2.1