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* configure.host: Add libm nds32 machine directory. 

* libm/machine/configure: Regenerated.
	* libm/machine/configure.in: Add nds32 AC_CONFIG.
	* libm/machine/nds32/Makefile.am: New file.
	* libm/machine/nds32/Makefile.in: Generated.
	* libm/machine/nds32/aclocal.m4: Generated.
	* libm/machine/nds32/configure: Generated.
	* libm/machine/nds32/configure.in: New file.
	* libm/machine/nds32/w_sqrt.S: New file.
	* libm/machine/nds32/wf_sqrt.S: New file.
This commit is contained in:
Corinna Vinschen 2014-12-15 13:27:38 +00:00
parent 601c50292b
commit 0cbcde7bdb
11 changed files with 7547 additions and 4 deletions
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13
newlib/ChangeLog
View File

@ -1,3 +1,16 @@
2014-12-15 Nick Hung <nick@andestech.com>
* configure.host: Add libm nds32 machine directory.
* libm/machine/configure: Regenerated.
* libm/machine/configure.in: Add nds32 AC_CONFIG.
* libm/machine/nds32/Makefile.am: New file.
* libm/machine/nds32/Makefile.in: Generated.
* libm/machine/nds32/aclocal.m4: Generated.
* libm/machine/nds32/configure: Generated.
* libm/machine/nds32/configure.in: New file.
* libm/machine/nds32/w_sqrt.S: New file.
* libm/machine/nds32/wf_sqrt.S: New file.
2014-12-15 Corinna Vinschen <vinschen@redhat.com>
* libc/include/stdlib.h: Include sys/cdefs.h to avoid undefined

4
newlib/configure.host
View File

@ -238,9 +238,9 @@ case "${host_cpu}" in
;;
nds32*)
machine_dir=nds32
newlib_cflags="${newlib_cflags} -DPREFER_SIZE_OVER_SPEED "
newlib_cflags="${newlib_cflags} -DSMALL_MEMORY "
libm_machine_dir=nds32
newlib_cflags="${newlib_cflags} -ffunction-sections -fdata-sections"
newlib_cflags="${newlib_cflags} -DHAVE_RENAME"
;;
nios2*)
machine_dir=nios2

7
newlib/libm/machine/configure vendored
View File

@ -788,6 +788,7 @@ CPP'
ac_subdirs_all='aarch64
arm
i386
nds32
spu'
# Initialize some variables set by options.
@ -11433,7 +11434,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
#line 11436 "configure"
#line 11437 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@ -11539,7 +11540,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
#line 11542 "configure"
#line 11543 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@ -11789,6 +11790,8 @@ subdirs="$subdirs aarch64"
arm) subdirs="$subdirs arm"
;;
i386) subdirs="$subdirs i386"
;;
nds32) subdirs="$subdirs nds32"
;;
spu) subdirs="$subdirs spu"
;;

1
newlib/libm/machine/configure.in
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@ -28,6 +28,7 @@ if test -n "${libm_machine_dir}"; then
aarch64) AC_CONFIG_SUBDIRS(aarch64) ;;
arm) AC_CONFIG_SUBDIRS(arm) ;;
i386) AC_CONFIG_SUBDIRS(i386) ;;
nds32) AC_CONFIG_SUBDIRS(nds32) ;;
spu) AC_CONFIG_SUBDIRS(spu) ;;
esac;
if test "${use_libtool}" = "yes"; then

30
newlib/libm/machine/nds32/Makefile.am Normal file
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@ -0,0 +1,30 @@
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if HAS_NDS32_FPU_SP_FALSE
GPR_SOURCES =
else
FPU_SP_SOURCES = wf_sqrt.S
endif
if HAS_NDS32_FPU_DP_FALSE
else
FPU_DP_SOURCES = w_sqrt.S
endif
LIB_SOURCES = $(GPR_SOURCES) $(FPU_SP_SOURCES) $(FPU_DP_SOURCES)
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noinst_DATA =
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ACLOCAL_AMFLAGS = -I ../../.. -I ../../../..
CONFIG_STATUS_DEPENDENCIES = $(newlib_basedir)/configure.host

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newlib/libm/machine/nds32/Makefile.in Normal file
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@ -0,0 +1,469 @@
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@ -0,0 +1,35 @@
dnl This is the newlib/libm/machine/nds32 configure.in file.
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AC_OUTPUT

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newlib/libm/machine/nds32/w_sqrt.S Normal file
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/*
Copyright (c) 2013-2014 Andes Technology Corporation.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
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.
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 THE COPYRIGHT HOLDERS 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 RED HAT INCORPORATED 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.
*/
.text
.align 1
.global sqrt
.type sqrt, @function
sqrt:
/* The input argument is supposed to be stored in $fd0.
The return value is supposed to be stored in $fd0 either. */
/* Clear the IEEE cumulative exceptions flags. ($fpcsr.b[6:2]) */
FMFCSR $r0
bitci $r0, $r0, #0b1111100
FMTCSR $r0
fsqrtd $fd0, $fd0
/* Check the IEEE cumulative exceptions flags. */
FMFCSR $r0
bmski33 $r0, #2 /* Is $fpcsr.IVO('b2) set ? */
bnez $r0, .L_EDOM /* Set errno as EDOM. */
bmski33 $r0, #4 /* Is $fpcsr.OVF('b4) set ? */
bnez $r0, .L_ERANGE /* Set errno as ERANGE. */
bmski33 $r0, #5 /* Is $fpcsr.UDF('b5) set ? */
bnez $r0, .L_ERANGE /* Set errno as ERANGE. */
/* No error at all. Just ret. */
ret
.L_EDOM:
movi $r0, #33 /* EDOM: Math arg out of domain of func. */
j .L_Set_errno
.L_ERANGE:
movi $r0, #34 /* ERANGE: Math result not representable. */
.L_Set_errno:
l.w $r15, _impure_ptr
swi $r0, [$r15] /* Set errno. */
ret
.size sqrt, .-sqrt

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newlib/libm/machine/nds32/wf_sqrt.S Normal file
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/*
Copyright (c) 2013-2014 Andes Technology Corporation.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
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.
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 THE COPYRIGHT HOLDERS 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 RED HAT INCORPORATED 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.
*/
.text
.align 1
.global sqrtf
.type sqrtf, @function
sqrtf:
/* The input argument is supposed to be stored in $fs0.
The return value is supposed to be stored in $fs0 either. */
/* Clear the IEEE cumulative exceptions flags. ($fpcsr.b[6:2]) */
FMFCSR $r0
bitci $r0, $r0, #0b1111100
FMTCSR $r0
fsqrts $fs0, $fs0
/* Check the IEEE cumulative exceptions flags. */
FMFCSR $r5
bmski33 $r5, #2 /* Is $fpcsr.IVO('b2) set ? */
bnez $r5, .L_EDOM /* Set errno as EDOM. */
bmski33 $r5, #4 /* Is $fpcsr.OVF('b4) set ? */
bnez $r5, .L_ERANGE /* Set errno as ERANGE. */
bmski33 $r5, #5 /* Is $fpcsr.UDF('b5) set ? */
bnez $r5, .L_ERANGE /* Set errno as ERANGE. */
/* No error at all. Just ret. */
ret
.L_EDOM:
movi $r0, #33 /* EDOM: Math arg out of domain of func. */
j .L_Set_errno
.L_ERANGE:
movi $r0, #34 /* ERANGE: Math result not representable. */
.L_Set_errno:
l.w $r15, _impure_ptr
swi $r0, [$r15] /* Set errno. */
ret
.size sqrtf, .-sqrtf