Delete changes meant for a private branch.

2020-05-05  Michael Meissner  <meissner@linux.ibm.com>

	* config/rs6000/rs6000-builtin.def: Delete changes meant for a
	private branch.
	* config/rs6000/rs6000-c.c: Likewise.
	* config/rs6000/rs6000-call.c: Likewise.
	* gcc/config/rs6000/rs6000.c: Likewise.

2020-05-05  Michael Meissner  <meissner@linux.ibm.com>

	* gcc.dg/nextafter-2.c: Delete changes meant for a private branch.
	* gcc.target/powerpc/pr70117.c: Likewise.

2020-05-05  Michael Meissner  <meissner@linux.ibm.com>

	* config.host: Delete changes meant for a private branch.
	* config/rs6000/t-float128: Likewise.
	* configure.ac: Likewise.
	* configure: Likewise.

1 files changed, 1 insertions, 107 deletions

diff --git a/libgcc/configure b/libgcc/configure
index 943086eef84..26bf75789e0 100755
--- a/libgcc/configure
+++ b/libgcc/configure
@@ -1801,52 +1801,6 @@ $as_echo "$ac_res" >&6; }
   eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 
 } # ac_fn_c_check_header_preproc
-
-# ac_fn_c_try_link LINENO
-# -----------------------
-# Try to link conftest.$ac_ext, and return whether this succeeded.
-ac_fn_c_try_link ()
-{
-  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  rm -f conftest.$ac_objext conftest$ac_exeext
-  if { { ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
-  (eval "$ac_link") 2>conftest.err
-  ac_status=$?
-  if test -s conftest.err; then
-    grep -v '^ *+' conftest.err >conftest.er1
-    cat conftest.er1 >&5
-    mv -f conftest.er1 conftest.err
-  fi
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 test -x conftest$ac_exeext
-       }; then :
-  ac_retval=0
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_retval=1
-fi
-  # Delete the IPA/IPO (Inter Procedural Analysis/Optimization) information
-  # created by the PGI compiler (conftest_ipa8_conftest.oo), as it would
-  # interfere with the next link command; also delete a directory that is
-  # left behind by Apple's compiler.  We do this before executing the actions.
-  rm -rf conftest.dSYM conftest_ipa8_conftest.oo
-  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
-  as_fn_set_status $ac_retval
-
-} # ac_fn_c_try_link
 cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
@@ -5247,9 +5201,7 @@ case ${host} in
 # At present, we cannot turn -mfloat128 on via #pragma GCC target, so just
 # check if we have VSX (ISA 2.06) support to build the software libraries, and
 # whether the assembler can handle xsaddqp for hardware support.  Also check if
-# a new glibc is being used so that __builtin_cpu_supports can be used.  Check
-# to see if glibc provides the necessary decimal <-> IEEE 128 function, and
-# arrange to build our own version if they are not provided.
+# a new glibc is being used so that __builtin_cpu_supports can be used.
 powerpc*-*-linux*)
   saved_CFLAGS="$CFLAGS"
   CFLAGS="$CFLAGS -mabi=altivec -mvsx -mfloat128"
@@ -5306,64 +5258,6 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $libgcc_cv_powerpc_float128_hw" >&5
 $as_echo "$libgcc_cv_powerpc_float128_hw" >&6; }
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for PowerPC convert __float128 to/from _Decimal libraries" >&5
-$as_echo_n "checking for PowerPC convert __float128 to/from _Decimal libraries... " >&6; }
-if ${libgcc_cv_powerpc_float128_dec+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test x$gcc_no_link = xyes; then
-  as_fn_error $? "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5
-fi
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <stdlib.h>
-     __attribute__((noinline)) __float128 f128_from_d128 (_Decimal128 d128)
-     {
-       return (__float128)d128;
-     }
-     __attribute__((noinline)) __float128 f128_from_d64 (_Decimal128 d64)
-     {
-       return (__float128)d64;
-     }
-     __attribute__((noinline)) __float128 f128_from_d32 (_Decimal128 d32)
-     {
-       return (__float128)d32;
-     }
-     __attribute__((noinline)) _Decimal128 d128_from_f128 (__float128 f128)
-     {
-       return (_Decimal128)f128;
-     }
-     __attribute__((noinline)) _Decimal64 d64_from_f128 (__float128 f128)
-     {
-       return (_Decimal64)f128;
-     }
-     __attribute__((noinline)) _Decimal32 d32_from_f128 (__float128 f128)
-     {
-       return (_Decimal32)f128;
-     }
-     int main (void)
-     {
-       __float128 five = 5.0;
-       if (f128_from_d128 (5.0dl) != five
-           || f128_from_d64 (5.0dd) != five
-           || f128_from_d32 (5.0df) != five
-           || d128_from_f128 (five) != 5.0dl
-           || d64_from_f128 (five) != 5.0dd
-           || d32_from_f128 (five) != 5.0df)
-         abort ();
-       return 0;
-     }
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  libgcc_cv_powerpc_float128_dec=yes
-else
-  libgcc_cv_powerpc_float128_dec=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libgcc_cv_powerpc_float128_dec" >&5
-$as_echo "$libgcc_cv_powerpc_float128_dec" >&6; }
   CFLAGS="$saved_CFLAGS"
 esac