ac_includes_default='/* none */'
ac_subst_vars='LTLIBOBJS
LIBOBJS
+md_unwind_header
+unwind_header
+enable_execute_stack
asm_hidden_op
extra_parts
cpu_type
;;
i[34567]86-*-mingw* | x86_64-*-mingw*)
;;
- i[34567]86-*-interix[3-9]*)
- # Interix 3.x gcc -fpic/-fPIC options generate broken code.
- # Instead, we relocate shared libraries at runtime.
- ;;
i[34567]86-*-nto-qnx*)
# QNX uses GNU C++, but need to define -shared option too, otherwise
# it will coredump.
PICFLAG=-fpic
;;
# FIXME: Simplify to sh*-*-netbsd*?
- sh-*-netbsdelf* | shl*-*-netbsdelf* | sh5-*-netbsd* | sh5l*-*-netbsd* | \
- sh64-*-netbsd* | sh64l*-*-netbsd*)
+ sh-*-netbsdelf* | shl*-*-netbsdelf*)
PICFLAG=-fpic
;;
# Default to -fPIC unless specified otherwise.
esac
case ${host} in
+# At present, we cannot turn -mfloat128 on via #pragma GCC target,
+# so just check if we have VSX (ISA 2.06) support to build the
+# software libraries, and whether the assembler can handle xsaddqp
+# for hardware support.
powerpc*-*-linux*)
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the PowerPC compiler can do __float128" >&5
-$as_echo_n "checking whether the PowerPC compiler can do __float128... " >&6; }
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for PowerPC ISA 2.06 to build __float128 libraries" >&5
+$as_echo_n "checking for PowerPC ISA 2.06 to build __float128 libraries... " >&6; }
if test "${libgcc_cv_powerpc_float128+set}" = set; then :
$as_echo_n "(cached) " >&6
else
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
-#pragma GCC target ("vsx,float128")
- __float128 add (__float128 *a) { return *a + *(a+1); }
+#pragma GCC target ("vsx")
+ vector double dadd (vector double a, vector double b) { return a + b; }
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
libgcc_cv_powerpc_float128=yes
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libgcc_cv_powerpc_float128" >&5
$as_echo "$libgcc_cv_powerpc_float128" >&6; }
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the PowerPC compiler can do hardware __float128" >&5
-$as_echo_n "checking whether the PowerPC compiler can do hardware __float128... " >&6; }
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for PowerPC ISA 3.0 to build hardware __float128 libraries" >&5
+$as_echo_n "checking for PowerPC ISA 3.0 to build hardware __float128 libraries... " >&6; }
if test "${libgcc_cv_powerpc_float128_hw+set}" = set; then :
$as_echo_n "(cached) " >&6
else
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
-#pragma GCC target ("cpu=power9,float128,float128-hardware")
+#pragma GCC target ("vsx,power9-vector")
#include <sys/auxv.h>
- __float128 add (__float128 a, __float128 b)
+ #ifndef AT_PLATFORM
+ #error "AT_PLATFORM is not defined"
+ #endif
+ vector unsigned char (vector unsigned char a, vector unsigned char b)
{
- __float128 ret;
+ vector unsigned char ret;
__asm__ ("xsaddqp %0,%1,%2" : "=v" (ret) : "v" (a), "v" (b));
return ret;
}
+ void *add_resolver (void) { return (void *) add; }
+ __float128 add_ifunc (__float128, __float128)
+ __attribute__ ((__ifunc__ ("add_resolver")));
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
libgcc_cv_powerpc_float128_hw=yes
if test x"$enable_offload_targets" != x; then
- extra_parts="${extra_parts} crtoffloadbegin.o crtoffloadend.o"
+ extra_parts="${extra_parts} crtoffloadbegin.o crtoffloadend.o crtoffloadtable.o"
fi
# Check if Solaris/x86 linker supports ZERO terminator unwind entries.
-ac_config_links="$ac_config_links enable-execute-stack.c:$enable_execute_stack"
-ac_config_links="$ac_config_links unwind.h:$unwind_header"
-ac_config_links="$ac_config_links md-unwind-support.h:config/$md_unwind_header"
-ac_config_links="$ac_config_links sfp-machine.h:config/$sfp_machine_header"
-ac_config_links="$ac_config_links gthr-default.h:$thread_header"
# We need multilib support.
# 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"
_ACEOF
Configuration headers:
$config_headers
-Configuration links:
-$config_links
-
Configuration commands:
$config_commands
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" ;;
- "sfp-machine.h") CONFIG_LINKS="$CONFIG_LINKS sfp-machine.h:config/$sfp_machine_header" ;;
- "gthr-default.h") CONFIG_LINKS="$CONFIG_LINKS gthr-default.h:$thread_header" ;;
"Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;;
"default") CONFIG_COMMANDS="$CONFIG_COMMANDS default" ;;
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=$config_commands
fi
fi # test -n "$CONFIG_HEADERS"
-eval set X " :F $CONFIG_FILES :H $CONFIG_HEADERS :L $CONFIG_LINKS :C $CONFIG_COMMANDS"
+eval set X " :F $CONFIG_FILES :H $CONFIG_HEADERS :C $CONFIG_COMMANDS"
shift
for ac_tag
do
|| as_fn_error "could not create -" "$LINENO" 5
fi
;;
- :L)
- #
- # CONFIG_LINK
- #
-
- if test "$ac_source" = "$ac_file" && test "$srcdir" = '.'; then
- :
- else
- # Prefer the file from the source tree if names are identical.
- if test "$ac_source" = "$ac_file" || test ! -r "$ac_source"; then
- ac_source=$srcdir/$ac_source
- fi
-
- { $as_echo "$as_me:${as_lineno-$LINENO}: linking $ac_source to $ac_file" >&5
-$as_echo "$as_me: linking $ac_source to $ac_file" >&6;}
-
- if test ! -r "$ac_source"; then
- as_fn_error "$ac_source: file not found" "$LINENO" 5
- fi
- rm -f "$ac_file"
- # Try a relative symlink, then a hard link, then a copy.
- case $srcdir in
- [\\/$]* | ?:[\\/]* ) ac_rel_source=$ac_source ;;
- *) ac_rel_source=$ac_top_build_prefix$ac_source ;;
- esac
- ln -s "$ac_rel_source" "$ac_file" 2>/dev/null ||
- ln "$ac_source" "$ac_file" 2>/dev/null ||
- cp -p "$ac_source" "$ac_file" ||
- as_fn_error "cannot link or copy $ac_source to $ac_file" "$LINENO" 5
- fi
- ;;
:C) { $as_echo "$as_me:${as_lineno-$LINENO}: executing $ac_file commands" >&5
$as_echo "$as_me: executing $ac_file commands" >&6;}
;;
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