Subversion Repositories openrisc

#!/bin/sh

LC_ALL=C

export LC_ALL

compile="$1"

# Possible types must be listed in ascending order

possible_integer_kinds="1 2 4 8 16"

possible_real_kinds="4 8 10 16"

largest=""

smallest=""

for k in $possible_integer_kinds; do

  echo "  integer (kind=$k) :: i" > tmp$$.f90

  echo "  i = 1_$k" >> tmp$$.f90

  echo "  end" >> tmp$$.f90

  if $compile -S tmp$$.f90 > /dev/null 2>&1; then

    s=`expr 8 \* $k`

    largest="$k"

    if [ $s -eq 128 ]; then

      prefix="__"

    else

      prefix=""

    fi

    if [ "$smallest" = "" ]; then

        smallest="$k"

    fi

    echo "typedef ${prefix}int${s}_t GFC_INTEGER_${k};"

    echo "typedef ${prefix}uint${s}_t GFC_UINTEGER_${k};"

    echo "typedef GFC_INTEGER_${k} GFC_LOGICAL_${k};"

    echo "#define HAVE_GFC_LOGICAL_${k}"

    echo "#define HAVE_GFC_INTEGER_${k}"

    echo ""

  fi

  rm -f tmp$$.*

done

echo "#define GFC_INTEGER_LARGEST GFC_INTEGER_${largest}"

echo "#define GFC_UINTEGER_LARGEST GFC_UINTEGER_${largest}"

echo "#define GFC_DEFAULT_CHAR ${smallest}"

echo ""

# Get the kind value for long double, so we may disambiguate it

# from __float128.

echo "use iso_c_binding; print *, c_long_double ; end" > tmq$$.f90

long_double_kind=`$compile -S -fdump-parse-tree tmq$$.f90 | grep TRANSFER \

                        | sed 's/ *TRANSFER *//'`

rm -f tmq$$.*

for k in $possible_real_kinds; do

  echo "  real (kind=$k) :: x" > tmp$$.f90

  echo "  x = 1.0_$k" >> tmp$$.f90

  echo "  end" >> tmp$$.f90

  if $compile -S tmp$$.f90 > /dev/null 2>&1; then

    case $k in

      4) ctype="float" ; cplxtype="complex float" ; suffix="f" ;;

      8) ctype="double" ; cplxtype="complex double" ; suffix="" ;;

      10) ctype="long double" ; cplxtype="complex long double" ; suffix="l" ;;

      16) if [ $long_double_kind -eq 10 ]; then

            ctype="__float128"

            cplxtype="_Complex float __attribute__((mode(TC)))"

            suffix="q"

          else

            ctype="long double"

            cplxtype="complex long double"

            suffix="l"

          fi ;;

      *) echo "$0: Unknown type" >&2 ; exit 1 ;;

    esac

    # Check for the value of HUGE

    echo "print *, huge(0._$k) ; end" > tmq$$.f90

    huge=`$compile -S -fdump-parse-tree tmq$$.f90 | grep TRANSFER \

                | sed 's/ *TRANSFER *//' | sed 's/_.*//'`

    rm -f tmq$$.*

    # Check for the value of DIGITS

    echo "print *, digits(0._$k) ; end" > tmq$$.f90

    digits=`$compile -S -fdump-parse-tree tmq$$.f90 | grep TRANSFER \

                | sed 's/ *TRANSFER *//'`

    rm -f tmq$$.*

    # Check for the value of RADIX

    echo "print *, radix(0._$k) ; end" > tmq$$.f90

    radix=`$compile -S -fdump-parse-tree tmq$$.f90 | grep TRANSFER \

                | sed 's/ *TRANSFER *//'`

    rm -f tmq$$.*

    # Output the information we've gathered

    echo "typedef ${ctype} GFC_REAL_${k};"

    echo "typedef ${cplxtype} GFC_COMPLEX_${k};"

    echo "#define HAVE_GFC_REAL_${k}"

    echo "#define HAVE_GFC_COMPLEX_${k}"

    echo "#define GFC_REAL_${k}_HUGE ${huge}${suffix}"

    echo "#define GFC_REAL_${k}_LITERAL_SUFFIX ${suffix}"

    if [ "x$suffix" = "x" ]; then

      echo "#define GFC_REAL_${k}_LITERAL(X) (X)"

    else

      echo "#define GFC_REAL_${k}_LITERAL(X) (X ## ${suffix})"

    fi

    echo "#define GFC_REAL_${k}_DIGITS ${digits}"

    echo "#define GFC_REAL_${k}_RADIX ${radix}"

    echo ""

  fi

  rm -f tmp$$.*

done

# After this, we include a header that can override some of the

# autodetected settings.

echo '#include "kinds-override.h"'

exit 0