[src/trunk]: src/lib/libm Add support for the ARM hardfloat instructions vsqr...

[matt <matt%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/18de8d117e1a
branches:  trunk
changeset: 784601:18de8d117e1a
user:      matt <matt%NetBSD.org@localhost>
date:      Sun Feb 03 07:13:07 2013 +0000

description:
Add support for the ARM hardfloat instructions vsqrt and vabs.

diffstat:

 lib/libm/Makefile           |   5 ++++-
 lib/libm/arch/arm/e_sqrt.S  |  39 +++++++++++++++++++++++++++++++++++++++
 lib/libm/arch/arm/e_sqrtf.S |  39 +++++++++++++++++++++++++++++++++++++++
 lib/libm/arch/arm/s_fabsf.S |  39 +++++++++++++++++++++++++++++++++++++++
 4 files changed, 121 insertions(+), 1 deletions(-)

diffs (148 lines):

diff -r 42023854f559 -r 18de8d117e1a lib/libm/Makefile
--- a/lib/libm/Makefile Sun Feb 03 06:16:53 2013 +0000
+++ b/lib/libm/Makefile Sun Feb 03 07:13:07 2013 +0000
@@ -1,4 +1,4 @@
-#  $NetBSD: Makefile,v 1.125 2012/08/04 15:16:16 matt Exp $
+#  $NetBSD: Makefile,v 1.126 2013/02/03 07:13:07 matt Exp $
 #
 #  @(#)Makefile 5.1beta 93/09/24
 #
@@ -50,6 +50,9 @@
 .if (${MACHINE_ARCH} == "alpha")
 .PATH: ${.CURDIR}/arch/alpha
 ARCH_SRCS = s_copysign.S s_copysignf.S lrint.S
+.elif (${MACHINE_ARCH} == "earmhf" || ${MACHINE_ARCH} == "earmhfeb")
+.PATH: ${.CURDIR}/arch/arm
+ARCH_SRCS = e_sqrt.S e_sqrtf.S s_fabsf.S
 .elif (${MACHINE_ARCH} == "sparc")
 .PATH: ${.CURDIR}/arch/sparc
 COMMON_SRCS+= fenv.c
diff -r 42023854f559 -r 18de8d117e1a lib/libm/arch/arm/e_sqrt.S
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/libm/arch/arm/e_sqrt.S        Sun Feb 03 07:13:07 2013 +0000
@@ -0,0 +1,39 @@
+/*-
+ * Copyright (c) 2013 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Matt Thomas of 3am Software Foundry.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <arm/asm.h>
+
+RCSID("$NetBSD: e_sqrt.S,v 1.1 2013/02/03 07:13:07 matt Exp $")
+
+       .fpu    vfp
+
+ENTRY(__ieee754_sqrt)
+       vsqrt.f64       d0, d0
+       RET
+END(__ieee754_sqrt)
diff -r 42023854f559 -r 18de8d117e1a lib/libm/arch/arm/e_sqrtf.S
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/libm/arch/arm/e_sqrtf.S       Sun Feb 03 07:13:07 2013 +0000
@@ -0,0 +1,39 @@
+/*-
+ * Copyright (c) 2013 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Matt Thomas of 3am Software Foundry.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <arm/asm.h>
+
+RCSID("$NetBSD: e_sqrtf.S,v 1.1 2013/02/03 07:13:07 matt Exp $")
+
+       .fpu    vfp
+
+ENTRY(__ieee754_sqrtf)
+       vsqrt.f32       s0, s0
+       RET
+END(__ieee754_sqrtf)
diff -r 42023854f559 -r 18de8d117e1a lib/libm/arch/arm/s_fabsf.S
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/libm/arch/arm/s_fabsf.S       Sun Feb 03 07:13:07 2013 +0000
@@ -0,0 +1,39 @@
+/*-
+ * Copyright (c) 2013 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Matt Thomas of 3am Software Foundry.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <arm/asm.h>
+
+RCSID("$NetBSD: s_fabsf.S,v 1.1 2013/02/03 07:13:07 matt Exp $")
+
+       .fpu    vfp
+
+ENTRY(fabsf)
+       vabs.f32        s0, s0
+       RET
+END(fabsf)