JehanneOS/newlib
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

aarch64: fabs and sqrt implementation with inline asm

Browse Source 
* libm/machine/aarch64/e_sqrt.c: New file.
        * libm/machine/aarch64/ef_sqrt.c: New file.
        * libm/machine/aarch64/s_fabs.c: New file.
        * libm/machine/aarch64/sf_fabs.c: New file.
        * libm/machine/aarch64/Makefile.in: Add new source files.
        * libm/machine/aarch64/Makefile.am: Regenerate.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
This commit is contained in:
Szabolcs Nagy 2015-06-01 10:17:34 +02:00 committed by Corinna Vinschen
parent 8fe35bd15f
commit b27c7d1d9a
7 changed files with 190 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
newlib/ChangeLog
View File

@ -1,3 +1,12 @@
2015-06-01 Szabolcs Nagy <szabolcs.nagy@arm.com>
* libm/machine/aarch64/e_sqrt.c: New file.
* libm/machine/aarch64/ef_sqrt.c: New file.
* libm/machine/aarch64/s_fabs.c: New file.
* libm/machine/aarch64/sf_fabs.c: New file.
* libm/machine/aarch64/Makefile.in: Add new source files.
* libm/machine/aarch64/Makefile.am: Regenerate.
2015-05-31 David Stacey <drstacey@tiscali.co.uk>
* libc/argz/argz_replace.c (argz_replace): Correct behaviour when memory

4
newlib/libm/machine/aarch64/Makefile.am
View File

@ -6,7 +6,10 @@ INCLUDES = -I $(newlib_basedir)/../newlib/libm/common $(NEWLIB_CFLAGS) \
$(CROSS_CFLAGS) $(TARGET_CFLAGS)
LIB_SOURCES = \
e_sqrt.c \
ef_sqrt.c \
s_ceil.c \
s_fabs.c \
s_floor.c \
s_fma.c \
s_fmax.c \
@ -20,6 +23,7 @@ LIB_SOURCES = \
s_round.c \
s_trunc.c \
sf_ceil.c \
sf_fabs.c \
sf_floor.c \
sf_fma.c \
sf_fmax.c \

44
newlib/libm/machine/aarch64/Makefile.in
View File

@ -70,13 +70,15 @@ LIBRARIES = $(noinst_LIBRARIES)
ARFLAGS = cru
lib_a_AR = $(AR) $(ARFLAGS)
lib_a_LIBADD =
am__objects_1 = lib_a-s_ceil.$(OBJEXT) lib_a-s_floor.$(OBJEXT) \
lib_a-s_fma.$(OBJEXT) lib_a-s_fmax.$(OBJEXT) \
lib_a-s_fmin.$(OBJEXT) lib_a-s_llrint.$(OBJEXT) \
lib_a-s_llround.$(OBJEXT) lib_a-s_lrint.$(OBJEXT) \
lib_a-s_lround.$(OBJEXT) lib_a-s_nearbyint.$(OBJEXT) \
lib_a-s_rint.$(OBJEXT) lib_a-s_round.$(OBJEXT) \
lib_a-s_trunc.$(OBJEXT) lib_a-sf_ceil.$(OBJEXT) \
am__objects_1 = lib_a-e_sqrt.$(OBJEXT) lib_a-ef_sqrt.$(OBJEXT) \
lib_a-s_ceil.$(OBJEXT) lib_a-s_fabs.$(OBJEXT) \
lib_a-s_floor.$(OBJEXT) lib_a-s_fma.$(OBJEXT) \
lib_a-s_fmax.$(OBJEXT) lib_a-s_fmin.$(OBJEXT) \
lib_a-s_llrint.$(OBJEXT) lib_a-s_llround.$(OBJEXT) \
lib_a-s_lrint.$(OBJEXT) lib_a-s_lround.$(OBJEXT) \
lib_a-s_nearbyint.$(OBJEXT) lib_a-s_rint.$(OBJEXT) \
lib_a-s_round.$(OBJEXT) lib_a-s_trunc.$(OBJEXT) \
lib_a-sf_ceil.$(OBJEXT) lib_a-sf_fabs.$(OBJEXT) \
lib_a-sf_floor.$(OBJEXT) lib_a-sf_fma.$(OBJEXT) \
lib_a-sf_fmax.$(OBJEXT) lib_a-sf_fmin.$(OBJEXT) \
lib_a-sf_llrint.$(OBJEXT) lib_a-sf_llround.$(OBJEXT) \
@ -209,7 +211,10 @@ INCLUDES = -I $(newlib_basedir)/../newlib/libm/common $(NEWLIB_CFLAGS) \
$(CROSS_CFLAGS) $(TARGET_CFLAGS)
LIB_SOURCES = \
e_sqrt.c \
ef_sqrt.c \
s_ceil.c \
s_fabs.c \
s_floor.c \
s_fma.c \
s_fmax.c \
@ -223,6 +228,7 @@ LIB_SOURCES = \
s_round.c \
s_trunc.c \
sf_ceil.c \
sf_fabs.c \
sf_floor.c \
sf_fma.c \
sf_fmax.c \
@ -302,12 +308,30 @@ distclean-compile:
.c.obj:
$(COMPILE) -c `$(CYGPATH_W) '$<'`
lib_a-e_sqrt.o: e_sqrt.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-e_sqrt.o `test -f 'e_sqrt.c' || echo '$(srcdir)/'`e_sqrt.c
lib_a-e_sqrt.obj: e_sqrt.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-e_sqrt.obj `if test -f 'e_sqrt.c'; then $(CYGPATH_W) 'e_sqrt.c'; else $(CYGPATH_W) '$(srcdir)/e_sqrt.c'; fi`
lib_a-ef_sqrt.o: ef_sqrt.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-ef_sqrt.o `test -f 'ef_sqrt.c' || echo '$(srcdir)/'`ef_sqrt.c
lib_a-ef_sqrt.obj: ef_sqrt.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-ef_sqrt.obj `if test -f 'ef_sqrt.c'; then $(CYGPATH_W) 'ef_sqrt.c'; else $(CYGPATH_W) '$(srcdir)/ef_sqrt.c'; fi`
lib_a-s_ceil.o: s_ceil.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-s_ceil.o `test -f 's_ceil.c' || echo '$(srcdir)/'`s_ceil.c
lib_a-s_ceil.obj: s_ceil.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-s_ceil.obj `if test -f 's_ceil.c'; then $(CYGPATH_W) 's_ceil.c'; else $(CYGPATH_W) '$(srcdir)/s_ceil.c'; fi`
lib_a-s_fabs.o: s_fabs.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-s_fabs.o `test -f 's_fabs.c' || echo '$(srcdir)/'`s_fabs.c
lib_a-s_fabs.obj: s_fabs.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-s_fabs.obj `if test -f 's_fabs.c'; then $(CYGPATH_W) 's_fabs.c'; else $(CYGPATH_W) '$(srcdir)/s_fabs.c'; fi`
lib_a-s_floor.o: s_floor.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-s_floor.o `test -f 's_floor.c' || echo '$(srcdir)/'`s_floor.c
@ -386,6 +410,12 @@ lib_a-sf_ceil.o: sf_ceil.c
lib_a-sf_ceil.obj: sf_ceil.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-sf_ceil.obj `if test -f 'sf_ceil.c'; then $(CYGPATH_W) 'sf_ceil.c'; else $(CYGPATH_W) '$(srcdir)/sf_ceil.c'; fi`
lib_a-sf_fabs.o: sf_fabs.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-sf_fabs.o `test -f 'sf_fabs.c' || echo '$(srcdir)/'`sf_fabs.c
lib_a-sf_fabs.obj: sf_fabs.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-sf_fabs.obj `if test -f 'sf_fabs.c'; then $(CYGPATH_W) 'sf_fabs.c'; else $(CYGPATH_W) '$(srcdir)/sf_fabs.c'; fi`
lib_a-sf_floor.o: sf_floor.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-sf_floor.o `test -f 'sf_floor.c' || echo '$(srcdir)/'`sf_floor.c

35
newlib/libm/machine/aarch64/e_sqrt.c Normal file
View File

@ -0,0 +1,35 @@
/* e_sqrt.c -- define __ieee754_sqrt
Copyright (c) 2015 ARM Ltd. All rights reserved.
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.
3. The name of the company may not be used to endorse or promote
products derived from this software without specific prior written
permission.
THIS SOFTWARE IS PROVIDED BY ARM LTD ``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 ARM LTD 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 <math.h>
double
__ieee754_sqrt (double x)
{
double result;
asm ("fsqrt\t%d0, %d1" : "=w" (result) : "w" (x));
return result;
}

35
newlib/libm/machine/aarch64/ef_sqrt.c Normal file
View File

@ -0,0 +1,35 @@
/* ef_sqrt.c -- define __ieee754_sqrtf
Copyright (c) 2015 ARM Ltd. All rights reserved.
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.
3. The name of the company may not be used to endorse or promote
products derived from this software without specific prior written
permission.
THIS SOFTWARE IS PROVIDED BY ARM LTD ``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 ARM LTD 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 <math.h>
float
__ieee754_sqrtf (float x)
{
float result;
asm ("fsqrt\t%s0, %s1" : "=w" (result) : "w" (x));
return result;
}

35
newlib/libm/machine/aarch64/s_fabs.c Normal file
View File

@ -0,0 +1,35 @@
/* s_fabs.c -- define fabs
Copyright (c) 2015 ARM Ltd. All rights reserved.
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.
3. The name of the company may not be used to endorse or promote
products derived from this software without specific prior written
permission.
THIS SOFTWARE IS PROVIDED BY ARM LTD ``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 ARM LTD 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 <math.h>
double
fabs (double x)
{
double result;
asm ("fabs\t%d0, %d1" : "=w" (result) : "w" (x));
return result;
}

35
newlib/libm/machine/aarch64/sf_fabs.c Normal file
View File

@ -0,0 +1,35 @@
/* sf_fabs.c -- define fabsf
Copyright (c) 2015 ARM Ltd. All rights reserved.
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.
3. The name of the company may not be used to endorse or promote
products derived from this software without specific prior written
permission.
THIS SOFTWARE IS PROVIDED BY ARM LTD ``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 ARM LTD 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 <math.h>
float
fabsf (float x)
{
float result;
asm ("fabs\t%s0, %s1" : "=w" (result) : "w" (x));
return result;
}