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Use i386-cpuinfo.c on all i386 targets

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libgcc:
	* config.host (i[34567]86-*-linux*, x86_64-*-linux*)
	(i[34567]86-*-kfreebsd*-gnu, x86_64-*-kfreebsd*-gnu)
	(i[34567]86-*-knetbsd*-gnu, i[34567]86-*-gnu*): Move
	i386/t-cpuinfo ...
	(i[34567]86-*-*, x86_64-*-*): ... here.

	* config/i386/libgcc-bsd.ver (GCC_4.8.0): New version.
	* config/i386/libgcc-sol2.ver (GCC_4.8.0): New version.

	* config/i386/i386-cpuinfo.c: Rename to ...
	* config/i386/cpuinfo.c: ... this.
	* config/i386/t-cpuinfo (LIB2ADD): Reflect this.

	* configure.ac (AC_CONFIG_HEADER): Call for auto-target.h.
	(libgcc_cv_init_priority): New test.
	* configure: Regenerate.
	* config.in: New file.
	* Makefile.in (clean): Rename config.h to auto-target.h.
	(config.h): Likewise.
	(stamp-h): Likewise.

	* config/i386/cpuinfo.c (auto-target.h): Include.
	(CONSTRUCTOR_PRIORITY): Define.
	(__cpu_indicator_init): Use it.

	gcc
	* doc/extend.texi (X86 Built-in Functions, __builtin_cpu_init):
	Document requirement to call in constructors.

	* config/i386/i386.c: Update comments for i386-cpuinfo.c name
	change.

From-SVN: r187365
This commit is contained in:
Rainer Orth 2012-05-10 08:51:39 +00:00 committed by Rainer Orth
parent 638d20652b
commit aca06c900e
14 changed files with 345 additions and 57 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
gcc/ChangeLog
View File

@ -1,3 +1,11 @@
2012-05-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* doc/extend.texi (X86 Built-in Functions, __builtin_cpu_init):
Document requirement to call in constructors.
* config/i386/i386.c: Update comments for i386-cpuinfo.c name
change.
2012-05-10 Richard Guenther <rguenther@suse.de>
* tree.h (TYPE_IS_SIZETYPE): Remove.

9
gcc/config/i386/i386.c
View File

@ -27665,7 +27665,7 @@ ix86_init_mmx_sse_builtins (void)
}
/* This builds the processor_model struct type defined in
libgcc/config/i386/i386-cpuinfo.c */
libgcc/config/i386/cpuinfo.c */
static tree
build_processor_model_struct (void)
@ -27725,7 +27725,7 @@ make_var_decl (tree type, const char *name)
}
/* FNDECL is a __builtin_cpu_is or a __builtin_cpu_supports call that is folded
into an integer defined in libgcc/config/i386/i386-cpuinfo.c */
into an integer defined in libgcc/config/i386/cpuinfo.c */
static tree
fold_builtin_cpu (tree fndecl, tree *args)
@ -27735,8 +27735,7 @@ fold_builtin_cpu (tree fndecl, tree *args)
DECL_FUNCTION_CODE (fndecl);
tree param_string_cst = NULL;
/* This is the order of bit-fields in __processor_features in
i386-cpuinfo.c */
/* This is the order of bit-fields in __processor_features in cpuinfo.c */
enum processor_features
{
F_CMOV = 0,
@ -27754,7 +27753,7 @@ fold_builtin_cpu (tree fndecl, tree *args)
};
/* These are the values for vendor types and cpu types and subtypes
in i386-cpuinfo.c. Cpu types and subtypes should be subtracted by
in cpuinfo.c. Cpu types and subtypes should be subtracted by
the corresponding start value. */
enum processor_model
{

5
gcc/doc/extend.texi
View File

@ -9449,8 +9449,9 @@ executed before any constructors are called. The CPU detection code is
automatically executed in a very high priority constructor.
For example, this function has to be used in @code{ifunc} resolvers which
check for CPU type using the builtins, @code{__builtin_cpu_is}
and @code{__builtin_cpu_supports}.
check for CPU type using the builtins @code{__builtin_cpu_is}
and @code{__builtin_cpu_supports}, or in constructors on targets which
don't support constructor priority.
@smallexample
static void (*resolve_memcpy (void)) (void)

27
libgcc/ChangeLog
View File

@ -1,3 +1,30 @@
2012-05-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* config.host (i[34567]86-*-linux*, x86_64-*-linux*)
(i[34567]86-*-kfreebsd*-gnu, x86_64-*-kfreebsd*-gnu)
(i[34567]86-*-knetbsd*-gnu, i[34567]86-*-gnu*): Move
i386/t-cpuinfo ...
(i[34567]86-*-*, x86_64-*-*): ... here.
* config/i386/libgcc-bsd.ver (GCC_4.8.0): New version.
* config/i386/libgcc-sol2.ver (GCC_4.8.0): New version.
* config/i386/i386-cpuinfo.c: Rename to ...
* config/i386/cpuinfo.c: ... this.
* config/i386/t-cpuinfo (LIB2ADD): Reflect this.
* configure.ac (AC_CONFIG_HEADER): Call for auto-target.h.
(libgcc_cv_init_priority): New test.
* configure: Regenerate.
* config.in: New file.
* Makefile.in (clean): Rename config.h to auto-target.h.
(config.h): Likewise.
(stamp-h): Likewise.
* config/i386/cpuinfo.c (auto-target.h): Include.
(CONSTRUCTOR_PRIORITY): Define.
(__cpu_indicator_init): Use it.
2012-05-09 H.J. Lu <hongjiu.lu@intel.com>
* longlong.h: Use a URL instead of an FSF postal address.

6
libgcc/Makefile.in
View File

@ -121,7 +121,7 @@ installcheck:
.PHONY: all clean
clean:
-rm -f config.h libgcc_tm.h stamp-h stmp-ldirs libgcc.map
-rm -f auto-target.h libgcc_tm.h stamp-h stmp-ldirs libgcc.map
-rm -f *$(objext)
-rm -f *.dep
-rm -f *.a
@ -139,9 +139,9 @@ Makefile: $(srcdir)/Makefile.in config.status
# Depending on Makefile makes sure that config.status has been re-run
# if needed. This prevents problems with parallel builds.
config.h: stamp-h ; @true
auto-target.h: stamp-h ; @true
stamp-h: $(srcdir)/config.in config.status Makefile
CONFIG_FILES= CONFIG_HEADERS=config.h:$(srcdir)/config.in $(SHELL) ./config.status
CONFIG_FILES= CONFIG_HEADERS=auto-target.h:$(srcdir)/config.in $(SHELL) ./config.status
config.status: $(srcdir)/configure $(srcdir)/config.host
$(SHELL) ./config.status --recheck

8
libgcc/config.host
View File

@ -1123,12 +1123,18 @@ mep*-*-*)
;;
esac
case ${host} in
i[34567]86-*-* | x86_64-*-*)
tmake_file="${tmake_file} i386/t-cpuinfo"
;;
esac
case ${host} in
i[34567]86-*-linux* | x86_64-*-linux* | \
i[34567]86-*-kfreebsd*-gnu | x86_64-*-kfreebsd*-gnu | \
i[34567]86-*-knetbsd*-gnu | \
i[34567]86-*-gnu*)
tmake_file="${tmake_file} t-tls i386/t-linux i386/t-cpuinfo"
tmake_file="${tmake_file} t-tls i386/t-linux"
if test "$libgcc_cv_cfi" = "yes"; then
tmake_file="${tmake_file} t-stack i386/t-stack-i386"
fi

70
libgcc/config.in Normal file
View File

@ -0,0 +1,70 @@
/* config.in. Generated from configure.ac by autoheader. */
/* Define to 1 if the target assembler supports thread-local storage. */
#undef HAVE_CC_TLS
/* Define if _Unwind_GetIPInfo is available. */
#undef HAVE_GETIPINFO
/* Define if the compiler supports init priority. */
#undef HAVE_INIT_PRIORITY
/* Define to 1 if you have the <inttypes.h> header file. */
#undef HAVE_INTTYPES_H
/* Define to 1 if you have the <memory.h> header file. */
#undef HAVE_MEMORY_H
/* Define to 1 if you have the <stdint.h> header file. */
#undef HAVE_STDINT_H
/* Define to 1 if you have the <stdlib.h> header file. */
#undef HAVE_STDLIB_H
/* Define to 1 if you have the <strings.h> header file. */
#undef HAVE_STRINGS_H
/* Define to 1 if you have the <string.h> header file. */
#undef HAVE_STRING_H
/* Define to 1 if you have the <sys/stat.h> header file. */
#undef HAVE_SYS_STAT_H
/* Define to 1 if you have the <sys/types.h> header file. */
#undef HAVE_SYS_TYPES_H
/* Define to 1 if you have the <unistd.h> header file. */
#undef HAVE_UNISTD_H
/* Define if the C compiler is configured for setjmp/longjmp exceptions. */
#undef LIBGCC_SJLJ_EXCEPTIONS
/* Define to the address where bug reports for this package should be sent. */
#undef PACKAGE_BUGREPORT
/* Define to the full name of this package. */
#undef PACKAGE_NAME
/* Define to the full name and version of this package. */
#undef PACKAGE_STRING
/* Define to the one symbol short name of this package. */
#undef PACKAGE_TARNAME
/* Define to the home page for this package. */
#undef PACKAGE_URL
/* Define to the version of this package. */
#undef PACKAGE_VERSION
/* The size of `double', as computed by sizeof. */
#undef SIZEOF_DOUBLE
/* The size of `long double', as computed by sizeof. */
#undef SIZEOF_LONG_DOUBLE
/* Define to 1 if you have the ANSI C header files. */
#undef STDC_HEADERS
/* Define to 1 if the target use emutls for thread-local storage. */
#undef USE_EMUTLS

12
libgcc/config/i386/i386-cpuinfo.c → libgcc/config/i386/cpuinfo.c
View File

@ -20,8 +20,16 @@ along with GCC; see the file COPYING3. If not see
#include "cpuid.h"
#include "tsystem.h"
#include "auto-target.h"
int __cpu_indicator_init (void) __attribute__ ((constructor (101)));
#ifdef HAVE_INIT_PRIORITY
#define CONSTRUCTOR_PRIORITY (101)
#else
#define CONSTRUCTOR_PRIORITY
#endif
int __cpu_indicator_init (void)
__attribute__ ((constructor CONSTRUCTOR_PRIORITY));
enum vendor_signatures
{
@ -253,7 +261,7 @@ __get_cpuid_output (unsigned int __level,
the priority set. However, it still runs after ifunc initializers and
needs to be called explicitly there. */
int __attribute__ ((constructor (101)))
int __attribute__ ((constructor CONSTRUCTOR_PRIORITY))
__cpu_indicator_init (void)
{
unsigned int eax, ebx, ecx, edx;

6
libgcc/config/i386/libgcc-bsd.ver
View File

@ -1,4 +1,4 @@
# Copyright (C) 2010 Free Software Foundation, Inc.
# Copyright (C) 2010, 2012 Free Software Foundation, Inc.
#
# This file is part of GCC.
#
@ -106,3 +106,7 @@ GCC_4.6.0 {
__trunctfxf2
__unordtf2
}
GCC_4.8.0 {
__cpu_model
}

2
libgcc/config/i386/libgcc-glibc.ver
View File

@ -1,4 +1,4 @@
# Copyright (C) 2008, 2010 Free Software Foundation, Inc.
# Copyright (C) 2008, 2010, 2012 Free Software Foundation, Inc.
#
# This file is part of GCC.
#

6
libgcc/config/i386/libgcc-sol2.ver
View File

@ -1,4 +1,4 @@
# Copyright (C) 2010 Free Software Foundation, Inc.
# Copyright (C) 2010, 2012 Free Software Foundation, Inc.
#
# This file is part of GCC.
#
@ -106,3 +106,7 @@ GCC_4.5.0 {
__trunctfxf2
__unordtf2
}
GCC_4.8.0 {
__cpu_model
}

2
libgcc/config/i386/t-cpuinfo
View File

@ -1 +1 @@
LIB2ADD += $(srcdir)/config/i386/i386-cpuinfo.c
LIB2ADD += $(srcdir)/config/i386/cpuinfo.c

231
libgcc/configure vendored
View File

@ -2176,6 +2176,8 @@ ac_config_sub="$SHELL $ac_aux_dir/config.sub" # Please don't use this var.
ac_configure="$SHELL $ac_aux_dir/configure" # Please don't use this var.
ac_config_headers="$ac_config_headers auto-target.h:config.in"
# Check whether --enable-shared was given.
if test "${enable_shared+set}" = set; then :
@ -4756,6 +4758,38 @@ if test "$enable_tls $gcc_cv_use_emutls" = "yes yes"; then
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for init priority support" >&5
$as_echo_n "checking for init priority support... " >&6; }
if test "${libgcc_cv_init_priority+set}" = set; then :
$as_echo_n "(cached) " >&6
else
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
int
main ()
{
void ip (void) __attribute__ ((constructor (1)));
;
return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
libgcc_cv_init_priority=yes
else
libgcc_cv_init_priority=no
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libgcc_cv_init_priority" >&5
$as_echo "$libgcc_cv_init_priority" >&6; }
if test $libgcc_cv_init_priority = yes; then
$as_echo "#define HAVE_INIT_PRIORITY 1" >>confdefs.h
fi
# Conditionalize the sfp-machine.h header for this target machine.
if test -z "${sfp_machine_header}"; then
sfp_machine_header=$cpu_type/sfp-machine.h
@ -4902,43 +4936,7 @@ test "x$prefix" = xNONE && prefix=$ac_default_prefix
# Let make expand exec_prefix.
test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
# Transform confdefs.h into DEFS.
# Protect against shell expansion while executing Makefile rules.
# Protect against Makefile macro expansion.
#
# If the first sed substitution is executed (which looks for macros that
# take arguments), then branch to the quote section. Otherwise,
# look for a macro that doesn't take arguments.
ac_script='
:mline
/\\$/{
N
s,\\\n,,
b mline
}
t clear
:clear
s/^[ ]*#[ ]*define[ ][ ]*\([^ (][^ (]*([^)]*)\)[ ]*\(.*\)/-D\1=\2/g
t quote
s/^[ ]*#[ ]*define[ ][ ]*\([^ ][^ ]*\)[ ]*\(.*\)/-D\1=\2/g
t quote
b any
:quote
s/[ `~#$^&*(){}\\|;'\''"<>?]/\\&/g
s/\[/\\&/g
s/\]/\\&/g
s/\$/$$/g
H
:any
${
g
s/^\n//
s/\n/ /g
p
}
'
DEFS=`sed -n "$ac_script" confdefs.h`
DEFS=-DHAVE_CONFIG_H
ac_libobjs=
ac_ltlibobjs=
@ -5382,11 +5380,15 @@ case $ac_config_files in *"
"*) set x $ac_config_files; shift; ac_config_files=$*;;
esac
case $ac_config_headers in *"
"*) set x $ac_config_headers; shift; ac_config_headers=$*;;
esac
cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
# Files that config.status was made for.
config_files="$ac_config_files"
config_headers="$ac_config_headers"
config_links="$ac_config_links"
config_commands="$ac_config_commands"
@ -5408,10 +5410,15 @@ Usage: $0 [OPTION]... [TAG]...
--recheck update $as_me by reconfiguring in the same conditions
--file=FILE[:TEMPLATE]
instantiate the configuration file FILE
--header=FILE[:TEMPLATE]
instantiate the configuration header FILE
Configuration files:
$config_files
Configuration headers:
$config_headers
Configuration links:
$config_links
@ -5473,7 +5480,18 @@ do
esac
as_fn_append CONFIG_FILES " '$ac_optarg'"
ac_need_defaults=false;;
--he | --h | --help | --hel | -h )
--header | --heade | --head | --hea )
$ac_shift
case $ac_optarg in
*\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
esac
as_fn_append CONFIG_HEADERS " '$ac_optarg'"
ac_need_defaults=false;;
--he | --h)
# Conflict between --help and --header
as_fn_error "ambiguous option: \`$1'
Try \`$0 --help' for more information.";;
--help | --hel | -h )
$as_echo "$ac_cs_usage"; exit ;;
-q | -quiet | --quiet | --quie | --qui | --qu | --q \
| -silent | --silent | --silen | --sile | --sil | --si | --s)
@ -5542,6 +5560,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
for ac_config_target in $ac_config_targets
do
case $ac_config_target in
"auto-target.h") CONFIG_HEADERS="$CONFIG_HEADERS auto-target.h:config.in" ;;
"enable-execute-stack.c") CONFIG_LINKS="$CONFIG_LINKS enable-execute-stack.c:$enable_execute_stack" ;;
"unwind.h") CONFIG_LINKS="$CONFIG_LINKS unwind.h:$unwind_header" ;;
"md-unwind-support.h") CONFIG_LINKS="$CONFIG_LINKS md-unwind-support.h:config/$md_unwind_header" ;;
@ -5561,6 +5580,7 @@ done
# bizarre bug on SunOS 4.1.3.
if $ac_need_defaults; then
test "${CONFIG_FILES+set}" = set || CONFIG_FILES=$config_files
test "${CONFIG_HEADERS+set}" = set || CONFIG_HEADERS=$config_headers
test "${CONFIG_LINKS+set}" = set || CONFIG_LINKS=$config_links
test "${CONFIG_COMMANDS+set}" = set || CONFIG_COMMANDS=$config_commands
fi
@ -5740,8 +5760,116 @@ fi
cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
fi # test -n "$CONFIG_FILES"
# Set up the scripts for CONFIG_HEADERS section.
# No need to generate them if there are no CONFIG_HEADERS.
# This happens for instance with `./config.status Makefile'.
if test -n "$CONFIG_HEADERS"; then
cat >"$tmp/defines.awk" <<\_ACAWK ||
BEGIN {
_ACEOF
eval set X " :F $CONFIG_FILES :L $CONFIG_LINKS :C $CONFIG_COMMANDS"
# Transform confdefs.h into an awk script `defines.awk', embedded as
# here-document in config.status, that substitutes the proper values into
# config.h.in to produce config.h.
# Create a delimiter string that does not exist in confdefs.h, to ease
# handling of long lines.
ac_delim='%!_!# '
for ac_last_try in false false :; do
ac_t=`sed -n "/$ac_delim/p" confdefs.h`
if test -z "$ac_t"; then
break
elif $ac_last_try; then
as_fn_error "could not make $CONFIG_HEADERS" "$LINENO" 5
else
ac_delim="$ac_delim!$ac_delim _$ac_delim!! "
fi
done
# For the awk script, D is an array of macro values keyed by name,
# likewise P contains macro parameters if any. Preserve backslash
# newline sequences.
ac_word_re=[_$as_cr_Letters][_$as_cr_alnum]*
sed -n '
s/.\{148\}/&'"$ac_delim"'/g
t rset
:rset
s/^[ ]*#[ ]*define[ ][ ]*/ /
t def
d
:def
s/\\$//
t bsnl
s/["\\]/\\&/g
s/^ \('"$ac_word_re"'\)\(([^()]*)\)[ ]*\(.*\)/P["\1"]="\2"\
D["\1"]=" \3"/p
s/^ \('"$ac_word_re"'\)[ ]*\(.*\)/D["\1"]=" \2"/p
d
:bsnl
s/["\\]/\\&/g
s/^ \('"$ac_word_re"'\)\(([^()]*)\)[ ]*\(.*\)/P["\1"]="\2"\
D["\1"]=" \3\\\\\\n"\\/p
t cont
s/^ \('"$ac_word_re"'\)[ ]*\(.*\)/D["\1"]=" \2\\\\\\n"\\/p
t cont
d
:cont
n
s/.\{148\}/&'"$ac_delim"'/g
t clear
:clear
s/\\$//
t bsnlc
s/["\\]/\\&/g; s/^/"/; s/$/"/p
d
:bsnlc
s/["\\]/\\&/g; s/^/"/; s/$/\\\\\\n"\\/p
b cont
' <confdefs.h | sed '
s/'"$ac_delim"'/"\\\
"/g' >>$CONFIG_STATUS || ac_write_fail=1
cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
for (key in D) D_is_set[key] = 1
FS = ""
}
/^[\t ]*#[\t ]*(define|undef)[\t ]+$ac_word_re([\t (]|\$)/ {
line = \$ 0
split(line, arg, " ")
if (arg[1] == "#") {
defundef = arg[2]
mac1 = arg[3]
} else {
defundef = substr(arg[1], 2)
mac1 = arg[2]
}
split(mac1, mac2, "(") #)
macro = mac2[1]
prefix = substr(line, 1, index(line, defundef) - 1)
if (D_is_set[macro]) {
# Preserve the white space surrounding the "#".
print prefix "define", macro P[macro] D[macro]
next
} else {
# Replace #undef with comments. This is necessary, for example,
# in the case of _POSIX_SOURCE, which is predefined and required
# on some systems where configure will not decide to define it.
if (defundef == "undef") {
print "/*", prefix defundef, macro, "*/"
next
}
}
}
{ print }
_ACAWK
_ACEOF
cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
as_fn_error "could not setup config headers machinery" "$LINENO" 5
fi # test -n "$CONFIG_HEADERS"
eval set X " :F $CONFIG_FILES :H $CONFIG_HEADERS :L $CONFIG_LINKS :C $CONFIG_COMMANDS"
shift
for ac_tag
do
@ -5953,7 +6081,30 @@ which seems to be undefined. Please make sure it is defined." >&2;}
esac \
|| as_fn_error "could not create $ac_file" "$LINENO" 5
;;
:H)
#
# CONFIG_HEADER
#
if test x"$ac_file" != x-; then
{
$as_echo "/* $configure_input */" \
&& eval '$AWK -f "$tmp/defines.awk"' "$ac_file_inputs"
} >"$tmp/config.h" \
|| as_fn_error "could not create $ac_file" "$LINENO" 5
if diff "$ac_file" "$tmp/config.h" >/dev/null 2>&1; then
{ $as_echo "$as_me:${as_lineno-$LINENO}: $ac_file is unchanged" >&5
$as_echo "$as_me: $ac_file is unchanged" >&6;}
else
rm -f "$ac_file"
mv "$tmp/config.h" "$ac_file" \
|| as_fn_error "could not create $ac_file" "$LINENO" 5
fi
else
$as_echo "/* $configure_input */" \
&& eval '$AWK -f "$tmp/defines.awk"' "$ac_file_inputs" \
|| as_fn_error "could not create -" "$LINENO" 5
fi
;;
:L)
#
# CONFIG_LINK

10
libgcc/configure.ac
View File

@ -39,6 +39,7 @@ else
fi
AC_SUBST(libgcc_topdir)
AC_CONFIG_AUX_DIR($libgcc_topdir)
AC_CONFIG_HEADER(auto-target.h:config.in)
AC_ARG_ENABLE(shared,
[ --disable-shared don't provide a shared libgcc],
@ -327,6 +328,15 @@ if test "$enable_tls $gcc_cv_use_emutls" = "yes yes"; then
fi
AC_SUBST(set_use_emutls)
AC_CACHE_CHECK(for init priority support, libgcc_cv_init_priority, [
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,
[[void ip (void) __attribute__ ((constructor (1)));]])],
[libgcc_cv_init_priority=yes],[libgcc_cv_init_priority=no])])
if test $libgcc_cv_init_priority = yes; then
AC_DEFINE(HAVE_INIT_PRIORITY, 1,
[Define if the compiler supports init priority.])
fi
# Conditionalize the sfp-machine.h header for this target machine.
if test -z "${sfp_machine_header}"; then
sfp_machine_header=$cpu_type/sfp-machine.h