From 04ec087c2209162d2d4666dcbd496ca4e35eee33 Mon Sep 17 00:00:00 2001 From: matt Date: Mon, 11 Feb 2013 17:41:13 +0000 Subject: [PATCH] Add fma/fmaf/fmal for arm hard float which uses the VFP vmla instruction. --- lib/libm/arch/arm/s_fma.S | 42 ++++++++++++++++++++++++++++++++++++++ lib/libm/arch/arm/s_fmaf.S | 40 ++++++++++++++++++++++++++++++++++++ 2 files changed, 82 insertions(+) create mode 100644 lib/libm/arch/arm/s_fma.S create mode 100644 lib/libm/arch/arm/s_fmaf.S diff --git a/lib/libm/arch/arm/s_fma.S b/lib/libm/arch/arm/s_fma.S new file mode 100644 index 000000000000..07674efa45ce --- /dev/null +++ b/lib/libm/arch/arm/s_fma.S @@ -0,0 +1,42 @@ +/*- + * Copyright (c) 2013 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Matt Thomas of 3am Software Foundry. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include + +RCSID("$NetBSD: s_fma.S,v 1.1 2013/02/11 17:41:13 matt Exp $") + +STRONG_ALIAS(_fmal, _fma) +WEAK_ALIAS(fmal, _fmal) +WEAK_ALIAS(fma, _fma) + +ENTRY(_fma) + vmla.f64 d2, d0, d1 + vmov.f64 d0, d2 + RET +END(_fma) diff --git a/lib/libm/arch/arm/s_fmaf.S b/lib/libm/arch/arm/s_fmaf.S new file mode 100644 index 000000000000..a7668910a9ae --- /dev/null +++ b/lib/libm/arch/arm/s_fmaf.S @@ -0,0 +1,40 @@ +/*- + * Copyright (c) 2013 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Matt Thomas of 3am Software Foundry. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include + +RCSID("$NetBSD: s_fmaf.S,v 1.1 2013/02/11 17:41:13 matt Exp $") + +WEAK_ALIAS(fmaf, _fmaf) + +ENTRY(_fmaf) + vmla.f32 s2, s0, s1 + vmov.f32 s0, s2 + RET +END(_fmaf)