# This file is generated from configure.ac by Autoconf.  DO NOT EDIT!
 # Local configure fragment for sysdeps/s390.


{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for S390 vector instruction support" >&5
printf %s "checking for S390 vector instruction support... " >&6; }
if test ${libc_cv_asm_s390_vx+y}
then :
  printf %s "(cached) " >&6
else case e in #(
  e)
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

void testvecinsn ()
{
    __asm__ (".machine \"z13\" \n\t"
	     "vistrbs %%v16,%%v17 \n\t"
	     "locghie %%r1,0" : :);
}

_ACEOF
if ac_fn_c_try_compile "$LINENO"
then :
  libc_cv_asm_s390_vx=yes
else case e in #(
  e) libc_cv_asm_s390_vx=no ;;
esac
fi
rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
esac
fi
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_asm_s390_vx" >&5
printf "%s\n" "$libc_cv_asm_s390_vx" >&6; }
if test "$libc_cv_asm_s390_vx" = yes ;
then
  printf "%s\n" "#define HAVE_S390_VX_ASM_SUPPORT 1" >>confdefs.h

else
  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: Use binutils with vector-support in order to use optimized implementations." >&5
printf "%s\n" "$as_me: WARNING: Use binutils with vector-support in order to use optimized implementations." >&2;}
fi


{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for S390 vector support in gcc" >&5
printf %s "checking for S390 vector support in gcc... " >&6; }
if test ${libc_cv_gcc_s390_vx+y}
then :
  printf %s "(cached) " >&6
else case e in #(
  e)
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

void testvecclobber ()
{
  __asm__ ("" : : : "v16");
}

_ACEOF
if ac_fn_c_try_compile "$LINENO"
then :
  libc_cv_gcc_s390_vx=yes
else case e in #(
  e) libc_cv_gcc_s390_vx=no ;;
esac
fi
rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
esac
fi
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_gcc_s390_vx" >&5
printf "%s\n" "$libc_cv_gcc_s390_vx" >&6; }
if test "$libc_cv_gcc_s390_vx" = yes ;
then
  printf "%s\n" "#define HAVE_S390_VX_GCC_SUPPORT 1" >>confdefs.h

fi


{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for S390 arch13 zarch instruction support" >&5
printf %s "checking for S390 arch13 zarch instruction support... " >&6; }
if test ${libc_cv_asm_s390_arch13+y}
then :
  printf %s "(cached) " >&6
else case e in #(
  e)
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

void testinsn (char *buf)
{
    __asm__ (".machine \"arch13\" \n\t"
	     "lghi %%r0,16 \n\t"
	     "mvcrl 0(%0),32(%0) \n\t"
	     "vstrs %%v20,%%v20,%%v20,%%v20,0,2"
	     : : "a" (buf) : "memory", "r0");
}

_ACEOF
if ac_fn_c_try_compile "$LINENO"
then :
  libc_cv_asm_s390_arch13=yes
else case e in #(
  e) libc_cv_asm_s390_arch13=no ;;
esac
fi
rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
esac
fi
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_asm_s390_arch13" >&5
printf "%s\n" "$libc_cv_asm_s390_arch13" >&6; }
if test "$libc_cv_asm_s390_arch13" = yes ;
then
  printf "%s\n" "#define HAVE_S390_ARCH13_ASM_SUPPORT 1" >>confdefs.h

fi


{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for S390 z10 zarch instruction support as default" >&5
printf %s "checking for S390 z10 zarch instruction support as default... " >&6; }
if test ${libc_cv_asm_s390_min_z10_zarch+y}
then :
  printf %s "(cached) " >&6
else case e in #(
  e)
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

void testinsn (void *a, void *b, int n)
{
    __asm__ ("exrl %2,1f \n\t"
	     "j 2f \n\t"
	     "1: mvc 0(1,%0),0(%1) \n\t"
	     "2:"
	     : : "a" (a), "a" (b), "d" (n)
	     : "memory", "cc");
}

_ACEOF
if ac_fn_c_try_compile "$LINENO"
then :
  libc_cv_asm_s390_min_z10_zarch=yes
else case e in #(
  e) libc_cv_asm_s390_min_z10_zarch=no ;;
esac
fi
rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
esac
fi
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_asm_s390_min_z10_zarch" >&5
printf "%s\n" "$libc_cv_asm_s390_min_z10_zarch" >&6; }
if test "$libc_cv_asm_s390_min_z10_zarch" = yes ;
then
  printf "%s\n" "#define HAVE_S390_MIN_Z10_ZARCH_ASM_SUPPORT 1" >>confdefs.h

fi


{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for S390 z196 zarch instruction support as default" >&5
printf %s "checking for S390 z196 zarch instruction support as default... " >&6; }
if test ${libc_cv_asm_s390_min_z196_zarch+y}
then :
  printf %s "(cached) " >&6
else case e in #(
  e)
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

float testinsn (double e)
{
    float d;
    __asm__ ("ledbra %0,5,%1,4" : "=f" (d) : "f" (e) );
    return d;
}

_ACEOF
if ac_fn_c_try_compile "$LINENO"
then :
  libc_cv_asm_s390_min_z196_zarch=yes
else case e in #(
  e) libc_cv_asm_s390_min_z196_zarch=no ;;
esac
fi
rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
esac
fi
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_asm_s390_min_z196_zarch" >&5
printf "%s\n" "$libc_cv_asm_s390_min_z196_zarch" >&6; }
if test "$libc_cv_asm_s390_min_z196_zarch" = yes ;
then
  printf "%s\n" "#define HAVE_S390_MIN_Z196_ZARCH_ASM_SUPPORT 1" >>confdefs.h

fi


{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for S390 z13 zarch instruction support as default" >&5
printf %s "checking for S390 z13 zarch instruction support as default... " >&6; }
if test ${libc_cv_asm_s390_min_z13_zarch+y}
then :
  printf %s "(cached) " >&6
else case e in #(
  e)
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

int testinsn (void)
{
    int i;
    __asm__ ("vl %%v16,0(%%r15)\n\t"
	     "vlgvf %0,%%v16,0"
	     : "=d" (i) : : "memory", "v16");
    return i;
}

_ACEOF
if ac_fn_c_try_compile "$LINENO"
then :
  libc_cv_asm_s390_min_z13_zarch=yes
else case e in #(
  e) libc_cv_asm_s390_min_z13_zarch=no ;;
esac
fi
rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
esac
fi
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_asm_s390_min_z13_zarch" >&5
printf "%s\n" "$libc_cv_asm_s390_min_z13_zarch" >&6; }
if test "$libc_cv_asm_s390_min_z13_zarch" = yes ;
then
  printf "%s\n" "#define HAVE_S390_MIN_Z13_ZARCH_ASM_SUPPORT 1" >>confdefs.h

fi


{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for S390 arch13 zarch instruction support as default" >&5
printf %s "checking for S390 arch13 zarch instruction support as default... " >&6; }
if test ${libc_cv_asm_s390_min_arch13_zarch+y}
then :
  printf %s "(cached) " >&6
else case e in #(
  e)
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

void testinsn (char *buf)
{
    __asm__ ("lghi %%r0,16 \n\t"
	     "mvcrl 0(%0),32(%0) \n\t"
	     "vstrs %%v20,%%v20,%%v20,%%v20,0,2"
	     : : "a" (buf) : "memory", "r0");
}

_ACEOF
if ac_fn_c_try_compile "$LINENO"
then :
  libc_cv_asm_s390_min_arch13_zarch=yes
else case e in #(
  e) libc_cv_asm_s390_min_arch13_zarch=no ;;
esac
fi
rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
esac
fi
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_asm_s390_min_arch13_zarch" >&5
printf "%s\n" "$libc_cv_asm_s390_min_arch13_zarch" >&6; }
if test "$libc_cv_asm_s390_min_arch13_zarch" = yes ;
then
  printf "%s\n" "#define HAVE_S390_MIN_ARCH13_ZARCH_ASM_SUPPORT 1" >>confdefs.h

fi

# Minimal checking for static PIE support in ld.
# Compare to ld testcase/bugzilla:
# <binutils-source>/ld/testsuite/ld-elf/pr22263-1.rd
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for s390-specific static PIE requirements" >&5
printf %s "checking for s390-specific static PIE requirements... " >&6; }
if { as_var=\
libc_cv_s390x_staticpie_req_runtime; eval test \${$as_var+y}; }
then :
  printf %s "(cached) " >&6
else case e in #(
  e)   cat > conftest1.c <<EOF
__thread int * foo;

void
bar (void)
{
  *foo = 1;
}

void bar2 (void);
void* bar2_ifunc (void) __asm__ ("bar2");
__asm__ (".type bar2, %gnu_indirect_function");
void* bar2_ifunc (void) { return 0; }
EOF
  cat > conftest2.c <<EOF
extern __thread int *foo;
extern void bar (void);
extern void bar2 (void);
static int x;

int
main ()
{
  foo = &x;
  bar2 ();
  return 0;
}
EOF
  libc_cv_s390x_staticpie_req_runtime=no
  # Check if the static linker does not generate dynamic TLS relocs in PIE
  # (binutils PR ld/22263), if it accepts --no-dynamic-linker
  # (by using -static-pie), and if it adds a DT_JMPREL pointing to .rela.iplt
  # with static pie.
  if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -fPIE -c conftest1.c -o conftest1.o'
  { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
  (eval $ac_try) 2>&5
  ac_status=$?
  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
  test $ac_status = 0; }; } \
     && { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -fPIE -c conftest2.c -o conftest2.o'
  { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
  (eval $ac_try) 2>&5
  ac_status=$?
  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
  test $ac_status = 0; }; } \
     && { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -static-pie -nostartfiles -nostdlib -fPIE -o conftest conftest1.o conftest2.o'
  { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
  (eval $ac_try) 2>&5
  ac_status=$?
  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
  test $ac_status = 0; }; } \
     && { ac_try='! LC_ALL=C $READELF -Wr conftest | grep R_390_TLS_TPOFF >&5'
  { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
  (eval $ac_try) 2>&5
  ac_status=$?
  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
  test $ac_status = 0; }; } \
     && { ac_try='LC_ALL=C $READELF -Wd conftest | grep JMPREL >&5'
  { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
  (eval $ac_try) 2>&5
  ac_status=$?
  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
  test $ac_status = 0; }; }
  then
    libc_cv_s390x_staticpie_req_runtime=yes
  fi
  rm -rf conftest.* ;;
esac
fi
eval ac_res=\$\
libc_cv_s390x_staticpie_req_runtime
	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
printf "%s\n" "$ac_res" >&6; }

if test $libc_cv_s390x_staticpie_req_runtime = yes; then
   # Some kernels might fail with /proc/sys/kernel/randomize_va_space set to 0
   # due not enough space for a brk call.  However, there is no reliable way to
   # test it.
   printf "%s\n" "#define SUPPORT_STATIC_PIE 1" >>confdefs.h

fi

