Merge remote-tracking branch 'origin/release/2.15/master' into hjl/x32/release/2.15 hjl/x32/release/2.15

27 files changed, 706 insertions, 218 deletions

diff --git a/ChangeLog b/ChangeLog
index 267266b4cc..09822ca96a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -28,6 +28,22 @@
 	* sysdeps/i386/i686/multiarch/test-multiarch.c: New file.
 	* sysdeps/x86_64/multiarch/test-multiarch.c: New file.
 
+2012-03-21  Andreas Schwab  <schwab@linux-m68k.org>
+
+	* configure.in (libc_cv_cc_nofma): Check for option to disable
+	generation of FMA instructions.
+	* configure: Regenerate.
+	* config.make.in (config-cflags-nofma): Set from libc_cv_cc_nofma.
+	* sysdeps/ieee754/dbl-64/Makefile: New file.
+	* sysdeps/x86_64/fpu/multiarch/Makefile (libm-sysdep_routines):
+	Remove brandred-fma4.
+	(CFLAGS-brandred-fma4.c): Remove.
+	* sysdeps/x86_64/fpu/multiarch/brandred-fma4.c: Remove.
+	* sysdeps/x86_64/fpu/multiarch/s_sin-fma4.c (__branred): Don't
+	define.
+	* sysdeps/x86_64/fpu/multiarch/s_tan-fma4.c (__branred): Don't
+	define.
+
 2012-02-27  David S. Miller  <davem@davemloft.net>
 
 	* sysdeps/ieee754/ldbl-128/s_nearbyintl.c (__nearbyintl): Do not
@@ -131,6 +147,41 @@
 	* sysdeps/i386/fpu/feupdateenv.c (__feupdateenv) Invoke __feraiseexcept
 	instead of feraiseexcept.
 
+2012-01-31  Ulrich Drepper  <drepper@gmail.com>
+
+	* malloc/arena.c (arena_get2): Really don't call __get_nprocs if
+	ARENA_TEST says not to.  Simplify test for creation of a new arena.
+	Partially based on a patch by Siddhesh Poyarekar <siddhesh@redhat.com>.
+
+2012-01-30  Joseph Myers  <joseph@codesourcery.com>
+
+	* configure.in (libc_cv_cc_sse2avx): AC_SUBST.
+	* configure: Regenerate.
+	* config.make.in (config-cflags-sse2avx): Define.
+	* sysdeps/x86_64/fpu/multiarch/Makefile (CFLAGS-slowexp-avx.c):
+	Fix typo.
+
+2012-01-28  Ulrich Drepper  <drepper@gmail.com>
+
+	* config.h.in: Define HAVE_SSE2AVX_SUPPORT.
+	* math/math_private.h: Remove libc_fegetround* and
+	libc_fesetround*.
+	* sysdeps/i386/configure.in: Check for -msse2avx.
+	* sysdeps/x86_64/fpu/math_private.h: Use VEX-encoded instructions
+	also if SSE2AVX is defined.
+	Remove libc_fegetround* and libc_fesetround*.
+	* sysdeps/x86_64/fpu/multiarch/Makefile: Compile *-avx functions
+	if config-cflags-sse2avx is yes.  Also add -DSSE2AVX to defines.
+	* sysdeps/x86_64/fpu/multiarch/e_atan2.c: Use HAS_AVX again instead
+	of HAS_YMM_USABLE.
+	* sysdeps/x86_64/fpu/multiarch/e_exp.c: Likewise.
+	* sysdeps/x86_64/fpu/multiarch/e_log.c: Likewise.
+	* sysdeps/x86_64/fpu/multiarch/s_atan.c: Likewise.
+	* sysdeps/x86_64/fpu/multiarch/s_sin.c: Likewise.
+	* sysdeps/x86_64/fpu/multiarch/s_tan.c: Likewise.
+
+	* sysdeps/x86_64/fpu/math_private.h: Simplify use of AVX instructions.
+
 2012-01-28  Chris Metcalf  <cmetcalf@tilera.com>
 
 	* scripts/firstversions.awk: Fix bug in version range handling.
diff --git a/NEWS b/NEWS
index 7a84d2cc33..2cbf346beb 100644
--- a/NEWS
+++ b/NEWS
@@ -10,7 +10,7 @@ Version 2.15.1
 * The following bugs are resolved with this release:
 
   411, 2547, 2548, 11365, 11494, 13583, 13731, 13732, 13733, 13747, 13748,
-  13749, 13753, 13771, 13774, 14059
+  13749, 13753, 13771, 13774, 14059, 14167
 
 Version 2.15
 
diff --git a/config.h.in b/config.h.in
index 7db663025a..dc5a32013b 100644
--- a/config.h.in
+++ b/config.h.in
@@ -102,7 +102,7 @@
    certain registers (CR0, MQ, CTR, LR) in asm statements.  */
 #undef	BROKEN_PPC_ASM_CR0
 
-/* Defined on SPARC if ld doesn't handle R_SPARC_WDISP22 against .hidden
+/* Defined on SPARC if ld does not handle R_SPARC_WDISP22 against .hidden
    symbol.  sysdeps/sparc/sparc32/elf/configure.  */
 #undef	BROKEN_SPARC_WDISP22
 
@@ -118,17 +118,20 @@
 /* Define if gcc supports AVX.  */
 #undef	HAVE_AVX_SUPPORT
 
+/* Define if gcc supports VEX encoding.  */
+#undef	HAVE_SSE2AVX_SUPPORT
+
 /* Define if gcc supports FMA4.  */
 #undef	HAVE_FMA4_SUPPORT
 
-/* Define if the compiler's exception support is based on libunwind.  */
+/* Define if the compiler\'s exception support is based on libunwind.  */
 #undef	HAVE_CC_WITH_LIBUNWIND
 
 /* Define if the access to static and hidden variables is position independent
    and does not need relocations.  */
 #undef	PI_STATIC_AND_HIDDEN
 
-/* Define this to disable the `hidden_proto' et al macros in
+/* Define this to disable the 'hidden_proto' et al macros in
    include/libc-symbols.h that avoid PLT slots in the shared objects.  */
 #undef	NO_HIDDEN
 
diff --git a/config.make.in b/config.make.in
index cd0d1c8100..a5f7a1f39d 100644
--- a/config.make.in
+++ b/config.make.in
@@ -37,7 +37,9 @@ asflags-cpu = @libc_cv_cc_submachine@
 
 config-cflags-sse4 = @libc_cv_cc_sse4@
 config-cflags-avx = @libc_cv_cc_avx@
+config-cflags-sse2avx = @libc_cv_cc_sse2avx@
 config-cflags-novzeroupper = @libc_cv_cc_novzeroupper@
+config-cflags-nofma = @libc_cv_cc_nofma@
 config-asflags-i686 = @libc_cv_as_i686@
 
 defines = @DEFINES@
diff --git a/configure b/configure
index de5a157300..464fd6c9ae 100755
--- a/configure
+++ b/configure
@@ -624,8 +624,10 @@ elf
 ldd_rewrite_script
 use_ldconfig
 libc_cv_as_i686
+libc_cv_cc_nofma
 libc_cv_cc_fma4
 libc_cv_cc_novzeroupper
+libc_cv_cc_sse2avx
 libc_cv_cc_avx
 libc_cv_cc_sse4
 libc_cv_cpp_asm_debuginfo
@@ -7342,6 +7344,26 @@ if test "$libc_cv_gcc_tls_model_attr" = no; then
   as_fn_error $? "support for the tls_model attribute is required" "$LINENO" 5
 fi
 
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for compiler option to disable generation of FMA instructions" >&5
+$as_echo_n "checking for compiler option to disable generation of FMA instructions... " >&6; }
+if ${libc_cv_cc_nofma+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  libc_cv_cc_nofma=
+for opt in -ffp-contract=off -mno-fused-madd; do
+  if { ac_try='${CC-cc} $opt -xc /dev/null -S -o /dev/null'
+  { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }; then :
+  libc_cv_cc_nofma=$opt; break
+fi
+done
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_nofma" >&5
+$as_echo "$libc_cv_cc_nofma" >&6; }
+
 if test -n "$submachine"; then
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for compiler option for CPU variant" >&5
 $as_echo_n "checking for compiler option for CPU variant... " >&6; }
diff --git a/configure.in b/configure.in
index a9f4045cca..f578be6274 100644
--- a/configure.in
+++ b/configure.in
@@ -2206,6 +2206,14 @@ if test "$libc_cv_gcc_tls_model_attr" = no; then
   AC_MSG_ERROR([support for the tls_model attribute is required])
 fi
 
+dnl Determine how to disable generation of FMA instructions.
+AC_CACHE_CHECK([for compiler option to disable generation of FMA instructions],
+	       libc_cv_cc_nofma, [dnl
+libc_cv_cc_nofma=
+for opt in -ffp-contract=off -mno-fused-madd; do
+  LIBC_TRY_CC_OPTION([$opt], [libc_cv_cc_nofma=$opt; break])
+done])
+
 if test -n "$submachine"; then
   AC_CACHE_CHECK([for compiler option for CPU variant],
 		 libc_cv_cc_submachine, [dnl
@@ -2347,8 +2355,10 @@ dnl sysdeps/CPU/configure.in checks set this via arch-specific asm tests
 AC_SUBST(libc_cv_cpp_asm_debuginfo)
 AC_SUBST(libc_cv_cc_sse4)
 AC_SUBST(libc_cv_cc_avx)
+AC_SUBST(libc_cv_cc_sse2avx)
 AC_SUBST(libc_cv_cc_novzeroupper)
 AC_SUBST(libc_cv_cc_fma4)
+AC_SUBST(libc_cv_cc_nofma)
 AC_SUBST(libc_cv_as_i686)
 
 AC_SUBST(use_ldconfig)
diff --git a/malloc/arena.c b/malloc/arena.c
index cb8548ba3f..f88b41d19b 100644
--- a/malloc/arena.c
+++ b/malloc/arena.c
@@ -828,7 +828,7 @@ arena_get2(mstate a_tsd, size_t size)
 	{
 	  if (mp_.arena_max != 0)
 	    narenas_limit = mp_.arena_max;
-	  else
+	  else if (narenas > mp_.arena_test)
 	    {
 	      int n  = __get_nprocs ();
 
@@ -842,7 +842,14 @@ arena_get2(mstate a_tsd, size_t size)
 	}
     repeat:;
       size_t n = narenas;
-      if (__builtin_expect (n <= mp_.arena_test || n < narenas_limit, 0))
+      /* NB: the following depends on the fact that (size_t)0 - 1 is a
+	 very large number and that the underflow is OK.  If arena_max
+	 is set the value of arena_test is irrelevant.  If arena_test
+	 is set but narenas is not yet larger or equal to arena_test
+	 narenas_limit is 0.  There is no possibility for narenas to
+	 be too big for the test to always fail since there is not
+	 enough address space to create that many arenas.  */
+      if (__builtin_expect (n <= narenas_limit - 1, 0))
 	{
 	  if (catomic_compare_and_exchange_bool_acq (&narenas, n + 1, n))
 	    goto repeat;
diff --git a/math/math_private.h b/math/math_private.h
index 04c112fd60..82c6f8040a 100644
--- a/math/math_private.h
+++ b/math/math_private.h
@@ -365,14 +365,6 @@ extern void __docos (double __x, double __dx, double __v[]);
    know what operations are going to be performed.  Therefore we
    define additional interfaces.  By default they refer to the normal
    interfaces.  */
-#define libc_fegetround() fegetround ()
-#define libc_fegetroundf() fegetround ()
-#define libc_fegetroundl() fegetround ()
-
-#define libc_fesetround(r) (void) fesetround (r)
-#define libc_fesetroundf(r) (void) fesetround (r)
-#define libc_fesetroundl(r) (void) fesetround (r)
-
 #define libc_feholdexcept(e) (void) feholdexcept (e)
 #define libc_feholdexceptf(e) (void) feholdexcept (e)
 #define libc_feholdexceptl(e) (void) feholdexcept (e)
diff --git a/sysdeps/i386/configure b/sysdeps/i386/configure
index ae494e2712..bc7900ee2e 100644
--- a/sysdeps/i386/configure
+++ b/sysdeps/i386/configure
@@ -756,6 +756,29 @@ if test $libc_cv_cc_avx = yes; then
 
 fi
 
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for AVX encoding of SSE instructions" >&5
+$as_echo_n "checking for AVX encoding of SSE instructions... " >&6; }
+if ${libc_cv_cc_sse2avx+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if { ac_try='${CC-cc} -msse2avx -xc /dev/null -S -o /dev/null'
+  { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }; then
+  libc_cv_cc_sse2avx=yes
+else
+  libc_cv_cc_sse2avx=no
+fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_sse2avx" >&5
+$as_echo "$libc_cv_cc_sse2avx" >&6; }
+if test $libc_cv_cc_sse2avx = yes; then
+  $as_echo "#define HAVE_SSE2AVX_SUPPORT 1" >>confdefs.h
+
+fi
+
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for FMA4 support" >&5
 $as_echo_n "checking for FMA4 support... " >&6; }
 if ${libc_cv_cc_fma4+:} false; then :
diff --git a/sysdeps/i386/configure.in b/sysdeps/i386/configure.in
index 5a9840e16c..59a4cd6ea1 100644
--- a/sysdeps/i386/configure.in
+++ b/sysdeps/i386/configure.in
@@ -67,6 +67,17 @@ if test $libc_cv_cc_avx = yes; then
   AC_DEFINE(HAVE_AVX_SUPPORT)
 fi
 
+dnl Check if -msse2avx works.
+AC_CACHE_CHECK(for AVX encoding of SSE instructions, libc_cv_cc_sse2avx, [dnl
+if AC_TRY_COMMAND([${CC-cc} -msse2avx -xc /dev/null -S -o /dev/null]); then
+  libc_cv_cc_sse2avx=yes
+else
+  libc_cv_cc_sse2avx=no
+fi])
+if test $libc_cv_cc_sse2avx = yes; then
+  AC_DEFINE(HAVE_SSE2AVX_SUPPORT)
+fi
+
 dnl Check if -mfma4 works.
 AC_CACHE_CHECK(for FMA4 support, libc_cv_cc_fma4, [dnl
 if AC_TRY_COMMAND([${CC-cc} -mfma4 -xc /dev/null -S -o /dev/null]); then
diff --git a/sysdeps/ieee754/dbl-64/Makefile b/sysdeps/ieee754/dbl-64/Makefile
new file mode 100644
index 0000000000..1a7b31158d
--- /dev/null
+++ b/sysdeps/ieee754/dbl-64/Makefile
@@ -0,0 +1,4 @@
+ifeq ($(subdir),math)
+# branred depends on precise IEEE double rounding
+CFLAGS-branred.c = $(config-cflags-nofma)
+endif
diff --git a/sysdeps/ieee754/ldbl-opt/configure b/sysdeps/ieee754/ldbl-opt/configure
index 065a3c8364..d1f3177cfd 100644
--- a/sysdeps/ieee754/ldbl-opt/configure
+++ b/sysdeps/ieee754/ldbl-opt/configure
@@ -1,19 +1,135 @@
+
+# as_fn_set_status STATUS
+# -----------------------
+# Set $? to STATUS, without forking.
+as_fn_set_status ()
+{
+  return $1
+} # as_fn_set_status
+
+# as_fn_exit STATUS
+# -----------------
+# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
+as_fn_exit ()
+{
+  set +e
+  as_fn_set_status $1
+  exit $1
+} # as_fn_exit
+if expr a : '\(a\)' >/dev/null 2>&1 &&
+   test "X`expr 00001 : '.*\(...\)'`" = X001; then
+  as_expr=expr
+else
+  as_expr=false
+fi
+
+if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
+  as_basename=basename
+else
+  as_basename=false
+fi
+
+as_me=`$as_basename -- "$0" ||
+$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
+	 X"$0" : 'X\(//\)$' \| \
+	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X/"$0" |
+    sed '/^.*\/\([^/][^/]*\)\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+
+
+  as_lineno_1=$LINENO as_lineno_1a=$LINENO
+  as_lineno_2=$LINENO as_lineno_2a=$LINENO
+  eval 'test "x$as_lineno_1'$as_run'" != "x$as_lineno_2'$as_run'" &&
+  test "x`expr $as_lineno_1'$as_run' + 1`" = "x$as_lineno_2'$as_run'"' || {
+  # Blame Lee E. McMahon (1931-1989) for sed's syntax.  :-)
+  sed -n '
+    p
+    /[$]LINENO/=
+  ' <$as_myself |
+    sed '
+      s/[$]LINENO.*/&-/
+      t lineno
+      b
+      :lineno
+      N
+      :loop
+      s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/
+      t loop
+      s/-\n.*//
+    ' >$as_me.lineno &&
+  chmod +x "$as_me.lineno" ||
+    { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
+
+  # Don't try to exec as it changes $[0], causing all sort of problems
+  # (the dirname of $[0] is not the place where we might find the
+  # original and so on.  Autoconf is especially sensitive to this).
+  . "./$as_me.lineno"
+  # Exit status is that of the last command.
+  exit
+}
+
+
+# ac_fn_c_try_compile LINENO
+# --------------------------
+# Try to compile conftest.$ac_ext, and return whether this succeeded.
+ac_fn_c_try_compile ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  rm -f conftest.$ac_objext
+  if { { ac_try="$ac_compile"
+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_compile") 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_objext; then :
+  ac_retval=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_retval=1
+fi
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  as_fn_set_status $ac_retval
+
+} # ac_fn_c_try_compile
 # This file is generated from configure.in by Autoconf.  DO NOT EDIT!
  # Local configure fragment for sysdeps/ieee754/ldbl-opt/.
 
 
-{ $as_echo "$as_me:$LINENO: checking whether $CC $CFLAGS supports -mlong-double-128" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC $CFLAGS supports -mlong-double-128" >&5
 $as_echo_n "checking whether $CC $CFLAGS supports -mlong-double-128... " >&6; }
-if test "${libc_cv_mlong_double_128+set}" = set; then
+if ${libc_cv_mlong_double_128+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   save_CFLAGS="$CFLAGS"
 CFLAGS="$CFLAGS -mlong-double-128"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -28,39 +144,16 @@ long double foobar (long double x) { return x; }
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+if ac_fn_c_try_compile "$LINENO"; then :
   libc_cv_mlong_double_128=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	libc_cv_mlong_double_128=no
+  libc_cv_mlong_double_128=no
 fi
-
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 CFLAGS="$save_CFLAGS"
 fi
-{ $as_echo "$as_me:$LINENO: result: $libc_cv_mlong_double_128" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mlong_double_128" >&5
 $as_echo "$libc_cv_mlong_double_128" >&6; }
 if test "$libc_cv_mlong_double_128" = no; then
-  { { $as_echo "$as_me:$LINENO: error: this configuration requires -mlong-double-128 support" >&5
-$as_echo "$as_me: error: this configuration requires -mlong-double-128 support" >&2;}
-   { (exit 1); exit 1; }; }
+  as_fn_error $? "this configuration requires -mlong-double-128 support" "$LINENO" 5
 fi
diff --git a/sysdeps/powerpc/configure b/sysdeps/powerpc/configure
index b347754f35..c3ad67f012 100644
--- a/sysdeps/powerpc/configure
+++ b/sysdeps/powerpc/configure
@@ -1,10 +1,92 @@
+
+# as_fn_set_status STATUS
+# -----------------------
+# Set $? to STATUS, without forking.
+as_fn_set_status ()
+{
+  return $1
+} # as_fn_set_status
+
+# as_fn_exit STATUS
+# -----------------
+# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
+as_fn_exit ()
+{
+  set +e
+  as_fn_set_status $1
+  exit $1
+} # as_fn_exit
+if expr a : '\(a\)' >/dev/null 2>&1 &&
+   test "X`expr 00001 : '.*\(...\)'`" = X001; then
+  as_expr=expr
+else
+  as_expr=false
+fi
+
+if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
+  as_basename=basename
+else
+  as_basename=false
+fi
+
+as_me=`$as_basename -- "$0" ||
+$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
+	 X"$0" : 'X\(//\)$' \| \
+	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X/"$0" |
+    sed '/^.*\/\([^/][^/]*\)\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+
+
+  as_lineno_1=$LINENO as_lineno_1a=$LINENO
+  as_lineno_2=$LINENO as_lineno_2a=$LINENO
+  eval 'test "x$as_lineno_1'$as_run'" != "x$as_lineno_2'$as_run'" &&
+  test "x`expr $as_lineno_1'$as_run' + 1`" = "x$as_lineno_2'$as_run'"' || {
+  # Blame Lee E. McMahon (1931-1989) for sed's syntax.  :-)
+  sed -n '
+    p
+    /[$]LINENO/=
+  ' <$as_myself |
+    sed '
+      s/[$]LINENO.*/&-/
+      t lineno
+      b
+      :lineno
+      N
+      :loop
+      s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/
+      t loop
+      s/-\n.*//
+    ' >$as_me.lineno &&
+  chmod +x "$as_me.lineno" ||
+    { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
+
+  # Don't try to exec as it changes $[0], causing all sort of problems
+  # (the dirname of $[0] is not the place where we might find the
+  # original and so on.  Autoconf is especially sensitive to this).
+  . "./$as_me.lineno"
+  # Exit status is that of the last command.
+  exit
+}
+
 # This file is generated from configure.in by Autoconf.  DO NOT EDIT!
  # Local configure fragment for sysdeps/powerpc.
 
 # Accept binutils which knows about ".machine".
-{ $as_echo "$as_me:$LINENO: checking for .machine support" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for .machine support" >&5
 $as_echo_n "checking for .machine support... " >&6; }
-if test "${libc_cv_ppc_machine+set}" = set; then
+if ${libc_cv_ppc_machine+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat > conftest.s <<\EOF
@@ -12,27 +94,22 @@ else
 	blr
 EOF
 if { ac_try='${CC-cc} -c $CFLAGS conftest.s 1>&5'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }; then
   libc_cv_ppc_machine=yes
 else
   libc_cv_ppc_machine=no
 fi
 rm -f conftest*
 fi
-{ $as_echo "$as_me:$LINENO: result: $libc_cv_ppc_machine" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_ppc_machine" >&5
 $as_echo "$libc_cv_ppc_machine" >&6; }
 if test $libc_cv_ppc_machine != yes; then
-  { { $as_echo "$as_me:$LINENO: error:
-*** A binutils version which can handle
-***    .machine \"altivec\"
-*** is needed." >&5
-$as_echo "$as_me: error:
+  as_fn_error $? "
 *** A binutils version which can handle
 ***    .machine \"altivec\"
-*** is needed." >&2;}
-   { (exit 1); exit 1; }; }
+*** is needed." "$LINENO" 5
 fi
diff --git a/sysdeps/powerpc/powerpc32/configure b/sysdeps/powerpc/powerpc32/configure
index da8ec0b87c..86ecfdcf4a 100644
--- a/sysdeps/powerpc/powerpc32/configure
+++ b/sysdeps/powerpc/powerpc32/configure
@@ -1,10 +1,92 @@
+
+# as_fn_set_status STATUS
+# -----------------------
+# Set $? to STATUS, without forking.
+as_fn_set_status ()
+{
+  return $1
+} # as_fn_set_status
+
+# as_fn_exit STATUS
+# -----------------
+# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
+as_fn_exit ()
+{
+  set +e
+  as_fn_set_status $1
+  exit $1
+} # as_fn_exit
+if expr a : '\(a\)' >/dev/null 2>&1 &&
+   test "X`expr 00001 : '.*\(...\)'`" = X001; then
+  as_expr=expr
+else
+  as_expr=false
+fi
+
+if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
+  as_basename=basename
+else
+  as_basename=false
+fi
+
+as_me=`$as_basename -- "$0" ||
+$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
+	 X"$0" : 'X\(//\)$' \| \
+	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X/"$0" |
+    sed '/^.*\/\([^/][^/]*\)\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+
+
+  as_lineno_1=$LINENO as_lineno_1a=$LINENO
+  as_lineno_2=$LINENO as_lineno_2a=$LINENO
+  eval 'test "x$as_lineno_1'$as_run'" != "x$as_lineno_2'$as_run'" &&
+  test "x`expr $as_lineno_1'$as_run' + 1`" = "x$as_lineno_2'$as_run'"' || {
+  # Blame Lee E. McMahon (1931-1989) for sed's syntax.  :-)
+  sed -n '
+    p
+    /[$]LINENO/=
+  ' <$as_myself |
+    sed '
+      s/[$]LINENO.*/&-/
+      t lineno
+      b
+      :lineno
+      N
+      :loop
+      s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/
+      t loop
+      s/-\n.*//
+    ' >$as_me.lineno &&
+  chmod +x "$as_me.lineno" ||
+    { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
+
+  # Don't try to exec as it changes $[0], causing all sort of problems
+  # (the dirname of $[0] is not the place where we might find the
+  # original and so on.  Autoconf is especially sensitive to this).
+  . "./$as_me.lineno"
+  # Exit status is that of the last command.
+  exit
+}
+
 # This file is generated from configure.in by Autoconf.  DO NOT EDIT!
  # Local configure fragment for sysdeps/powerpc/powerpc32.
 
 # See whether gas has R_PPC_REL16 relocs.
-{ $as_echo "$as_me:$LINENO: checking for R_PPC_REL16 gas support" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for R_PPC_REL16 gas support" >&5
 $as_echo_n "checking for R_PPC_REL16 gas support... " >&6; }
-if test "${libc_cv_ppc_rel16+set}" = set; then
+if ${libc_cv_ppc_rel16+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat > conftest.s <<\EOF
@@ -12,50 +94,46 @@ else
 	addis 11,30,_GLOBAL_OFFSET_TABLE_-.@ha
 EOF
 if { ac_try='${CC-cc} -c $CFLAGS conftest.s 1>&5'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }; then
   libc_cv_ppc_rel16=yes
 else
   libc_cv_ppc_rel16=no
 fi
 rm -f conftest*
 fi
-{ $as_echo "$as_me:$LINENO: result: $libc_cv_ppc_rel16" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_ppc_rel16" >&5
 $as_echo "$libc_cv_ppc_rel16" >&6; }
 if test $libc_cv_ppc_rel16 = no; then
-  { { $as_echo "$as_me:$LINENO: error: R_PPC_REL16 is not supported. Binutils is too old." >&5
-$as_echo "$as_me: error: R_PPC_REL16 is not supported. Binutils is too old." >&2;}
-   { (exit 1); exit 1; }; }
+  as_fn_error $? "R_PPC_REL16 is not supported. Binutils is too old." "$LINENO" 5
 fi
 
 # See whether GCC uses -msecure-plt.
-{ $as_echo "$as_me:$LINENO: checking for -msecure-plt by default" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -msecure-plt by default" >&5
 $as_echo_n "checking for -msecure-plt by default... " >&6; }
-if test "${libc_cv_ppc_secure_plt+set}" = set; then
+if ${libc_cv_ppc_secure_plt+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   echo 'int foo (void) { extern int bar; return bar; }' > conftest.c
 libc_cv_ppc_secure_plt=no
 if { ac_try='${CC-cc} -S $CFLAGS conftest.c -fpic -o conftest.s 1>&5'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }; then
   if grep '_GLOBAL_OFFSET_TABLE_-.*@ha' conftest.s > /dev/null 2>&1; then
     libc_cv_ppc_secure_plt=yes
   fi
 fi
 rm -rf conftest*
 fi
-{ $as_echo "$as_me:$LINENO: result: $libc_cv_ppc_secure_plt" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_ppc_secure_plt" >&5
 $as_echo "$libc_cv_ppc_secure_plt" >&6; }
 if test $libc_cv_ppc_secure_plt = yes; then
-  cat >>confdefs.h <<\_ACEOF
-#define HAVE_PPC_SECURE_PLT 1
-_ACEOF
+  $as_echo "#define HAVE_PPC_SECURE_PLT 1" >>confdefs.h
 
 fi
diff --git a/sysdeps/powerpc/powerpc64/configure b/sysdeps/powerpc/powerpc64/configure
index a9b6722c11..7cff76141b 100644
--- a/sysdeps/powerpc/powerpc64/configure
+++ b/sysdeps/powerpc/powerpc64/configure
@@ -1,21 +1,103 @@
+
+# as_fn_set_status STATUS
+# -----------------------
+# Set $? to STATUS, without forking.
+as_fn_set_status ()
+{
+  return $1
+} # as_fn_set_status
+
+# as_fn_exit STATUS
+# -----------------
+# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
+as_fn_exit ()
+{
+  set +e
+  as_fn_set_status $1
+  exit $1
+} # as_fn_exit
+if expr a : '\(a\)' >/dev/null 2>&1 &&
+   test "X`expr 00001 : '.*\(...\)'`" = X001; then
+  as_expr=expr
+else
+  as_expr=false
+fi
+
+if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
+  as_basename=basename
+else
+  as_basename=false
+fi
+
+as_me=`$as_basename -- "$0" ||
+$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
+	 X"$0" : 'X\(//\)$' \| \
+	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X/"$0" |
+    sed '/^.*\/\([^/][^/]*\)\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+
+
+  as_lineno_1=$LINENO as_lineno_1a=$LINENO
+  as_lineno_2=$LINENO as_lineno_2a=$LINENO
+  eval 'test "x$as_lineno_1'$as_run'" != "x$as_lineno_2'$as_run'" &&
+  test "x`expr $as_lineno_1'$as_run' + 1`" = "x$as_lineno_2'$as_run'"' || {
+  # Blame Lee E. McMahon (1931-1989) for sed's syntax.  :-)
+  sed -n '
+    p
+    /[$]LINENO/=
+  ' <$as_myself |
+    sed '
+      s/[$]LINENO.*/&-/
+      t lineno
+      b
+      :lineno
+      N
+      :loop
+      s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/
+      t loop
+      s/-\n.*//
+    ' >$as_me.lineno &&
+  chmod +x "$as_me.lineno" ||
+    { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
+
+  # Don't try to exec as it changes $[0], causing all sort of problems
+  # (the dirname of $[0] is not the place where we might find the
+  # original and so on.  Autoconf is especially sensitive to this).
+  . "./$as_me.lineno"
+  # Exit status is that of the last command.
+  exit
+}
+
 # This file is generated from configure.in by Autoconf.  DO NOT EDIT!
  # Local configure fragment for sysdeps/powerpc/powerpc64.
 
 # The Aix ld uses global .symbol_names instead of symbol_names
 # and unfortunately early Linux PPC64 linkers use it as well.
-{ $as_echo "$as_me:$LINENO: checking for support for omitting dot symbols" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for support for omitting dot symbols" >&5
 $as_echo_n "checking for support for omitting dot symbols... " >&6; }
-if test "${libc_cv_omit_dot_syms+set}" = set; then
+if ${libc_cv_omit_dot_syms+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   libc_cv_omit_dot_syms=no
 echo 'void foo (void) {}' > conftest.c
 if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS -S conftest.c -o conftest.s 1>&5'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }; then
   if grep -w '\.foo' conftest.s > /dev/null; then
     :
   else
@@ -25,28 +107,26 @@ fi
 rm -f conftest.c conftest.s
 
 fi
-{ $as_echo "$as_me:$LINENO: result: $libc_cv_omit_dot_syms" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_omit_dot_syms" >&5
 $as_echo "$libc_cv_omit_dot_syms" >&6; }
 if test x$libc_cv_omit_dot_syms != xyes; then
-  cat >>confdefs.h <<\_ACEOF
-#define HAVE_ASM_GLOBAL_DOT_NAME 1
-_ACEOF
+  $as_echo "#define HAVE_ASM_GLOBAL_DOT_NAME 1" >>confdefs.h
 
 fi
 
-{ $as_echo "$as_me:$LINENO: checking for linker support for overlapping .opd entries" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for linker support for overlapping .opd entries" >&5
 $as_echo_n "checking for linker support for overlapping .opd entries... " >&6; }
-if test "${libc_cv_overlapping_opd+set}" = set; then
+if ${libc_cv_overlapping_opd+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   libc_cv_overlapping_opd=no
 echo 'void foo (void) {}' > conftest.c
 if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS -S conftest.c -o conftest.s 1>&5'
-  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
   (eval $ac_try) 2>&5
   ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }; then
   if grep '\.TOC\.@tocbase' conftest.s > /dev/null; then
     if grep '\.TOC\.@tocbase[ 	]*,[ 	]*0' conftest.s > /dev/null; then
       :
@@ -58,11 +138,9 @@ fi
 rm -f conftest.c conftest.s
 
 fi
-{ $as_echo "$as_me:$LINENO: result: $libc_cv_overlapping_opd" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_overlapping_opd" >&5
 $as_echo "$libc_cv_overlapping_opd" >&6; }
 if test x$libc_cv_overlapping_opd = xyes; then
-  cat >>confdefs.h <<\_ACEOF
-#define USE_PPC64_OVERLAPPING_OPD 1
-_ACEOF
+  $as_echo "#define USE_PPC64_OVERLAPPING_OPD 1" >>confdefs.h
 
 fi
diff --git a/sysdeps/unix/sysv/linux/powerpc/configure b/sysdeps/unix/sysv/linux/powerpc/configure
index df2813d9cd..802b371601 100644
--- a/sysdeps/unix/sysv/linux/powerpc/configure
+++ b/sysdeps/unix/sysv/linux/powerpc/configure
@@ -1,19 +1,135 @@
+
+# as_fn_set_status STATUS
+# -----------------------
+# Set $? to STATUS, without forking.
+as_fn_set_status ()
+{
+  return $1
+} # as_fn_set_status
+
+# as_fn_exit STATUS
+# -----------------
+# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
+as_fn_exit ()
+{
+  set +e
+  as_fn_set_status $1
+  exit $1
+} # as_fn_exit
+if expr a : '\(a\)' >/dev/null 2>&1 &&
+   test "X`expr 00001 : '.*\(...\)'`" = X001; then
+  as_expr=expr
+else
+  as_expr=false
+fi
+
+if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
+  as_basename=basename
+else
+  as_basename=false
+fi
+
+as_me=`$as_basename -- "$0" ||
+$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
+	 X"$0" : 'X\(//\)$' \| \
+	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X/"$0" |
+    sed '/^.*\/\([^/][^/]*\)\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+
+
+  as_lineno_1=$LINENO as_lineno_1a=$LINENO
+  as_lineno_2=$LINENO as_lineno_2a=$LINENO
+  eval 'test "x$as_lineno_1'$as_run'" != "x$as_lineno_2'$as_run'" &&
+  test "x`expr $as_lineno_1'$as_run' + 1`" = "x$as_lineno_2'$as_run'"' || {
+  # Blame Lee E. McMahon (1931-1989) for sed's syntax.  :-)
+  sed -n '
+    p
+    /[$]LINENO/=
+  ' <$as_myself |
+    sed '
+      s/[$]LINENO.*/&-/
+      t lineno
+      b
+      :lineno
+      N
+      :loop
+      s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/
+      t loop
+      s/-\n.*//
+    ' >$as_me.lineno &&
+  chmod +x "$as_me.lineno" ||
+    { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
+
+  # Don't try to exec as it changes $[0], causing all sort of problems
+  # (the dirname of $[0] is not the place where we might find the
+  # original and so on.  Autoconf is especially sensitive to this).
+  . "./$as_me.lineno"
+  # Exit status is that of the last command.
+  exit
+}
+
+
+# ac_fn_c_try_compile LINENO
+# --------------------------
+# Try to compile conftest.$ac_ext, and return whether this succeeded.
+ac_fn_c_try_compile ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  rm -f conftest.$ac_objext
+  if { { ac_try="$ac_compile"
+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_compile") 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_objext; then :
+  ac_retval=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_retval=1
+fi
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  as_fn_set_status $ac_retval
+
+} # ac_fn_c_try_compile
 # This file is generated from configure.in by Autoconf.  DO NOT EDIT!
  # Local configure fragment for sysdeps/unix/sysv/linux/powerpc/.
 
 
-{ $as_echo "$as_me:$LINENO: checking whether $CC $CFLAGS -mlong-double-128 uses IBM extended format" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC $CFLAGS -mlong-double-128 uses IBM extended format" >&5
 $as_echo_n "checking whether $CC $CFLAGS -mlong-double-128 uses IBM extended format... " >&6; }
-if test "${libc_cv_mlong_double_128ibm+set}" = set; then
+if ${libc_cv_mlong_double_128ibm+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   save_CFLAGS="$CFLAGS"
 CFLAGS="$CFLAGS -mlong-double-128"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <float.h>
 int
@@ -28,51 +144,26 @@ long double foobar (long double x) { return x; }
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+if ac_fn_c_try_compile "$LINENO"; then :
   libc_cv_mlong_double_128ibm=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	libc_cv_mlong_double_128ibm=no
+  libc_cv_mlong_double_128ibm=no
 fi
-
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 CFLAGS="$save_CFLAGS"
 fi
-{ $as_echo "$as_me:$LINENO: result: $libc_cv_mlong_double_128ibm" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mlong_double_128ibm" >&5
 $as_echo "$libc_cv_mlong_double_128ibm" >&6; }
 
 if test "$libc_cv_mlong_double_128ibm" = no; then
-  { $as_echo "$as_me:$LINENO: checking whether $CC $CFLAGS supports -mabi=ibmlongdouble" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC $CFLAGS supports -mabi=ibmlongdouble" >&5
 $as_echo_n "checking whether $CC $CFLAGS supports -mabi=ibmlongdouble... " >&6; }
-if test "${libc_cv_mabi_ibmlongdouble+set}" = set; then
+if ${libc_cv_mabi_ibmlongdouble+:} false; then :
   $as_echo_n "(cached) " >&6
 else
     save_CFLAGS="$CFLAGS"
   CFLAGS="$CFLAGS -mlong-double-128 -mabi=ibmlongdouble"
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <float.h>
 int
@@ -87,43 +178,20 @@ long double foobar (long double x) { return x; }
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+if ac_fn_c_try_compile "$LINENO"; then :
   libc_cv_mabi_ibmlongdouble=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	libc_cv_mabi_ibmlongdouble=no
+  libc_cv_mabi_ibmlongdouble=no
 fi
-
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
   CFLAGS="$save_CFLAGS"
 fi
-{ $as_echo "$as_me:$LINENO: result: $libc_cv_mabi_ibmlongdouble" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mabi_ibmlongdouble" >&5
 $as_echo "$libc_cv_mabi_ibmlongdouble" >&6; }
 
   if test "$libc_cv_mabi_ibmlongdouble" = yes; then
     CFLAGS="$CFLAGS -mabi=ibmlongdouble"
   else
-    { { $as_echo "$as_me:$LINENO: error: this configuration requires -mlong-double-128 IBM extended format support" >&5
-$as_echo "$as_me: error: this configuration requires -mlong-double-128 IBM extended format support" >&2;}
-   { (exit 1); exit 1; }; }
+    as_fn_error $? "this configuration requires -mlong-double-128 IBM extended format support" "$LINENO" 5
   fi
 fi
diff --git a/sysdeps/x86_64/fpu/math_private.h b/sysdeps/x86_64/fpu/math_private.h
index ded64a812b..5662a5f9be 100644
--- a/sysdeps/x86_64/fpu/math_private.h
+++ b/sysdeps/x86_64/fpu/math_private.h
@@ -19,7 +19,7 @@
 
 /* We can do a few things better on x86-64.  */
 
-#ifdef __AVX__
+#if defined __AVX__ || defined SSE2AVX
 # define MOVD "vmovd"
 #else
 # define MOVD "movd"
@@ -86,7 +86,7 @@
   ({ int __di; GET_FLOAT_WORD (__di, (float) d);			      \
      (__di & 0x7fffffff) < 0x7f800000; })
 
-#ifdef __AVX__
+#if defined __AVX__ || defined SSE2AVX
 # define __ieee754_sqrt(d) \
   ({ double __res;							      \
     asm ("vsqrtsd %1, %0, %0" : "=x" (__res) : "xm" ((double) (d)));	      \
@@ -112,7 +112,7 @@
 
 #ifdef __SSE4_1__
 # ifndef __rint
-#  ifdef __AVX__
+#  if defined __AVX__ || defined SSE2AVX
 #   define __rint(d) \
   ({ double __res; \
     asm ("vroundsd $4, %1, %0, %0" : "=x" (__res) : "xm" ((double) (d)));      \
@@ -125,7 +125,7 @@
 #  endif
 # endif
 # ifndef __rintf
-#  ifdef __AVX__
+#  if defined __AVX__ || defined SSE2AVX
 #   define __rintf(d) \
   ({ float __res; \
     asm ("vroundss $4, %1, %0, %0" : "=x" (__res) : "xm" ((float) (d)));      \
@@ -139,7 +139,7 @@
 # endif
 
 # ifndef __floor
-#  ifdef __AVX__
+#  if defined __AVX__ || defined SSE2AVX
 #   define __floor(d) \
   ({ double __res; \
     asm ("vroundsd $1, %1, %0, %0" : "=x" (__res) : "xm" ((double) (d)));      \
@@ -152,7 +152,7 @@
 #  endif
 # endif
 # ifndef __floorf
-#  ifdef __AVX__
+#  if defined __AVX__ || defined SSE2AVX
 #   define __floorf(d) \
   ({ float __res; \
     asm ("vroundss $1, %1, %0, %0" : "=x" (__res) : "xm" ((float) (d)));      \
@@ -169,29 +169,6 @@
 
 /* Specialized variants of the <fenv.h> interfaces which only handle
    either the FPU or the SSE unit.  */
-#undef libc_fegetround
-#define libc_fegetround() \
-  ({									      \
-     unsigned int mxcsr;						      \
-     asm volatile ("stmxcsr %0" : "=m" (*&mxcsr));			      \
-     (mxcsr & 0x6000) >> 3;						      \
-  })
-#undef libc_fegetroundf
-#define libc_fegetroundf() libc_fegetround ()
-// #define libc_fegetroundl() fegetround ()
-
-#undef libc_fesetround
-#define libc_fesetround(r) \
-  do {									      \
-     unsigned int mxcsr;						      \
-     asm ("stmxcsr %0" : "=m" (*&mxcsr));				      \
-     mxcsr = (mxcsr & ~0x6000) | ((r) << 3);				      \
-     asm volatile ("ldmxcsr %0" : : "m" (*&mxcsr));			      \
-  } while (0)
-#undef libc_fesetroundf
-#define libc_fesetroundf(r) libc_fesetround (r)
-// #define libc_fesetroundl(r) (void) fesetround (r)
-
 #undef libc_feholdexcept
 #ifdef __AVX__
 # define libc_feholdexcept(e) \
diff --git a/sysdeps/x86_64/fpu/multiarch/Makefile b/sysdeps/x86_64/fpu/multiarch/Makefile
index be689036dc..12b0526e50 100644
--- a/sysdeps/x86_64/fpu/multiarch/Makefile
+++ b/sysdeps/x86_64/fpu/multiarch/Makefile
@@ -7,10 +7,9 @@ libm-sysdep_routines += e_exp-fma4 e_log-fma4 e_pow-fma4 s_atan-fma4 \
 			e_asin-fma4 e_atan2-fma4 s_sin-fma4 s_tan-fma4 \
 			mplog-fma4 mpa-fma4 slowexp-fma4 slowpow-fma4 \
 			sincos32-fma4 doasin-fma4 dosincos-fma4 \
-			brandred-fma4 halfulp-fma4 mpexp-fma4 \
+			halfulp-fma4 mpexp-fma4 \
 			mpatan2-fma4 mpatan-fma4 mpsqrt-fma4 mptan-fma4
 
-CFLAGS-brandred-fma4.c = -mfma4
 CFLAGS-doasin-fma4.c = -mfma4
 CFLAGS-dosincos-fma4.c = -mfma4
 CFLAGS-e_asin-fma4.c = -mfma4
@@ -34,21 +33,21 @@ CFLAGS-s_sin-fma4.c = -mfma4
 CFLAGS-s_tan-fma4.c = -mfma4
 endif
 
-ifeq ($(config-cflags-avx),yes)
+ifeq ($(config-cflags-sse2avx),yes)
 libm-sysdep_routines += e_exp-avx e_log-avx s_atan-avx \
 			e_atan2-avx s_sin-avx s_tan-avx \
 			mplog-avx mpa-avx slowexp-avx \
 			mpexp-avx
 
-CFLAGS-e_atan2-avx.c = -mavx
-CFLAGS-e_exp-avx.c = -mavx
-CFLAGS-e_log-avx.c = -mavx
-CFLAGS-mpa-avx.c = -mavx
-CFLAGS-mpexp-avx.c = -mavx
-CFLAGS-mplog-avx.c = -mavx
-CFLAGS-s_atan-avx.c = -mavx
-CFLAGS-s_sin-avx.c = -mavx
-CFLAGS-slowexp-avx.c = -mavx
-CFLAGS-s_tan-avx.c = -mavx
+CFLAGS-e_atan2-avx.c = -msse2avx -DSSE2AVX
+CFLAGS-e_exp-avx.c = -msse2avx -DSSE2AVX
+CFLAGS-e_log-avx.c = -msse2avx -DSSE2AVX
+CFLAGS-mpa-avx.c = -msse2avx -DSSE2AVX
+CFLAGS-mpexp-avx.c = -msse2avx -DSSE2AVX
+CFLAGS-mplog-avx.c = -msse2avx -DSSE2AVX
+CFLAGS-s_atan-avx.c = -msse2avx -DSSE2AVX
+CFLAGS-s_sin-avx.c = -msse2avx -DSSE2AVX
+CFLAGS-slowexp-avx.c = -msse2avx -DSSE2AVX
+CFLAGS-s_tan-avx.c = -msse2avx -DSSE2AVX
 endif
 endif
diff --git a/sysdeps/x86_64/fpu/multiarch/brandred-fma4.c b/sysdeps/x86_64/fpu/multiarch/brandred-fma4.c
deleted file mode 100644
index f4f68ac962..0000000000
--- a/sysdeps/x86_64/fpu/multiarch/brandred-fma4.c
+++ /dev/null
@@ -1,4 +0,0 @@
-#define __branred __branred_fma4
-#define SECTION __attribute__ ((section (".text.fma4")))
-
-#include <sysdeps/ieee754/dbl-64/branred.c>
diff --git a/sysdeps/x86_64/fpu/multiarch/e_atan2.c b/sysdeps/x86_64/fpu/multiarch/e_atan2.c
index 3a615fc9d1..6867c6e64e 100644
--- a/sysdeps/x86_64/fpu/multiarch/e_atan2.c
+++ b/sysdeps/x86_64/fpu/multiarch/e_atan2.c
@@ -14,7 +14,7 @@ extern double __ieee754_atan2_fma4 (double, double);
 
 libm_ifunc (__ieee754_atan2,
 	    HAS_FMA4 ? __ieee754_atan2_fma4
-	    : (HAS_YMM_USABLE ? __ieee754_atan2_avx : __ieee754_atan2_sse2));
+	    : (HAS_AVX ? __ieee754_atan2_avx : __ieee754_atan2_sse2));
 strong_alias (__ieee754_atan2, __atan2_finite)
 
 # define __ieee754_atan2 __ieee754_atan2_sse2
diff --git a/sysdeps/x86_64/fpu/multiarch/e_exp.c b/sysdeps/x86_64/fpu/multiarch/e_exp.c
index 7b2320a223..3c650287c5 100644
--- a/sysdeps/x86_64/fpu/multiarch/e_exp.c
+++ b/sysdeps/x86_64/fpu/multiarch/e_exp.c
@@ -14,7 +14,7 @@ extern double __ieee754_exp_fma4 (double);
 
 libm_ifunc (__ieee754_exp,
 	    HAS_FMA4 ? __ieee754_exp_fma4
-	    : (HAS_YMM_USABLE ? __ieee754_exp_avx : __ieee754_exp_sse2));
+	    : (HAS_AVX ? __ieee754_exp_avx : __ieee754_exp_sse2));
 strong_alias (__ieee754_exp, __exp_finite)
 
 # define __ieee754_exp __ieee754_exp_sse2
diff --git a/sysdeps/x86_64/fpu/multiarch/e_log.c b/sysdeps/x86_64/fpu/multiarch/e_log.c
index ab277d67fe..05f36680be 100644
--- a/sysdeps/x86_64/fpu/multiarch/e_log.c
+++ b/sysdeps/x86_64/fpu/multiarch/e_log.c
@@ -14,8 +14,7 @@ extern double __ieee754_log_fma4 (double);
 
 libm_ifunc (__ieee754_log,
 	    HAS_FMA4 ? __ieee754_log_fma4
-	    : (HAS_YMM_USABLE ? __ieee754_log_avx
-	       : __ieee754_log_sse2));
+	    : (HAS_AVX ? __ieee754_log_avx : __ieee754_log_sse2));
 strong_alias (__ieee754_log, __log_finite)
 
 # define __ieee754_log __ieee754_log_sse2
diff --git a/sysdeps/x86_64/fpu/multiarch/s_atan.c b/sysdeps/x86_64/fpu/multiarch/s_atan.c
index 78c7e099cb..ae16d7c9bb 100644
--- a/sysdeps/x86_64/fpu/multiarch/s_atan.c
+++ b/sysdeps/x86_64/fpu/multiarch/s_atan.c
@@ -13,7 +13,7 @@ extern double __atan_fma4 (double);
 # endif
 
 libm_ifunc (atan, (HAS_FMA4 ? __atan_fma4 :
-		   HAS_YMM_USABLE ? __atan_avx : __atan_sse2));
+		   HAS_AVX ? __atan_avx : __atan_sse2));
 
 # define atan __atan_sse2
 #endif
diff --git a/sysdeps/x86_64/fpu/multiarch/s_sin-fma4.c b/sysdeps/x86_64/fpu/multiarch/s_sin-fma4.c
index 2501af981a..4c35739dc9 100644
--- a/sysdeps/x86_64/fpu/multiarch/s_sin-fma4.c
+++ b/sysdeps/x86_64/fpu/multiarch/s_sin-fma4.c
@@ -1,6 +1,5 @@
 #define __cos __cos_fma4
 #define __sin __sin_fma4
-#define __branred __branred_fma4
 #define __docos __docos_fma4
 #define __dubsin __dubsin_fma4
 #define __mpcos __mpcos_fma4
diff --git a/sysdeps/x86_64/fpu/multiarch/s_sin.c b/sysdeps/x86_64/fpu/multiarch/s_sin.c
index 417acd0683..a0c2521c98 100644
--- a/sysdeps/x86_64/fpu/multiarch/s_sin.c
+++ b/sysdeps/x86_64/fpu/multiarch/s_sin.c
@@ -18,11 +18,11 @@ extern double __sin_fma4 (double);
 # endif
 
 libm_ifunc (__cos, (HAS_FMA4 ? __cos_fma4 :
-		    HAS_YMM_USABLE ? __cos_avx : __cos_sse2));
+		    HAS_AVX ? __cos_avx : __cos_sse2));
 weak_alias (__cos, cos)
 
 libm_ifunc (__sin, (HAS_FMA4 ? __sin_fma4 :
-		    HAS_YMM_USABLE ? __sin_avx : __sin_sse2));
+		    HAS_AVX ? __sin_avx : __sin_sse2));
 weak_alias (__sin, sin)
 
 # define __cos __cos_sse2
diff --git a/sysdeps/x86_64/fpu/multiarch/s_tan-fma4.c b/sysdeps/x86_64/fpu/multiarch/s_tan-fma4.c
index d7dab3ca9e..a805440b46 100644
--- a/sysdeps/x86_64/fpu/multiarch/s_tan-fma4.c
+++ b/sysdeps/x86_64/fpu/multiarch/s_tan-fma4.c
@@ -1,5 +1,4 @@
 #define tan __tan_fma4
-#define __branred __branred_fma4
 #define __dbl_mp __dbl_mp_fma4
 #define __mpranred __mpranred_fma4
 #define __mptan __mptan_fma4
diff --git a/sysdeps/x86_64/fpu/multiarch/s_tan.c b/sysdeps/x86_64/fpu/multiarch/s_tan.c
index 3047155cec..904308fada 100644
--- a/sysdeps/x86_64/fpu/multiarch/s_tan.c
+++ b/sysdeps/x86_64/fpu/multiarch/s_tan.c
@@ -13,7 +13,7 @@ extern double __tan_fma4 (double);
 # endif
 
 libm_ifunc (tan, (HAS_FMA4 ? __tan_fma4 :
-		  HAS_YMM_USABLE ? __tan_avx : __tan_sse2));
+		  HAS_AVX ? __tan_avx : __tan_sse2));
 
 # define tan __tan_sse2
 #endif