2009-08-15 Kai Tietz <kai.tietz@onevision.com>

[pf3gnuchains/gcc-fork.git] / libgfortran / mk-kinds-h.sh

diff --git a/libgfortran/mk-kinds-h.sh b/libgfortran/mk-kinds-h.sh
index 98328b6..c5d20fe 100755 (executable)
--- a/libgfortran/mk-kinds-h.sh
+++ b/libgfortran/mk-kinds-h.sh
@@ -1,4 +1,6 @@
 #!/bin/sh
+LC_ALL=C
+export LC_ALL
 
 compile="$1"
 
@@ -8,10 +10,12 @@ 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$$.f90
-  if $compile -c tmp$$.f90 > /dev/null 2>&1; then
+  if $compile -S tmp$$.f90 > /dev/null 2>&1; then
     s=`expr 8 \* $k`
     largest="$k"
 
@@ -21,47 +25,68 @@ for k in $possible_integer_kinds; do
       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 ""
 
 
-largest_ctype=""
 for k in $possible_real_kinds; do
   echo "  real (kind=$k) :: x" > tmp$$.f90
+  echo "  x = 1.0_$k" >> tmp$$.f90
   echo "  end" >> tmp$$.f90
-  if $compile -c tmp$$.f90 > /dev/null 2>&1; then
+  if $compile -S tmp$$.f90 > /dev/null 2>&1; then
     case $k in
-      4) ctype="float" ;;
-      8) ctype="double" ;;
-      10) ctype="long double" ;;
-      16) ctype="long double" ;;
+      4) ctype="float" ; suffix="f" ;;
+      8) ctype="double" ; suffix="" ;;
+      10) ctype="long double" ; suffix="l" ;;
+      16) ctype="long double" ; suffix="l" ;;
       *) echo "$0: Unknown type" >&2 ; exit 1 ;;
     esac
-    largest_ctype="$ctype"
+
+    # Check for the value of HUGE
+    echo "print *, huge(0._$k) ; end" > tmq$$.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 complex ${ctype} GFC_COMPLEX_${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}_DIGITS ${digits}"
+    echo "#define GFC_REAL_${k}_RADIX ${radix}"
+    echo ""
   fi
   rm -f tmp$$.*
 done
 
-case $largest_ctype in
-  float) echo "#define GFC_REAL_LARGEST_FORMAT \"\"" ;;
-  double) echo "#define GFC_REAL_LARGEST_FORMAT \"l\"" ;;
-  "long double") echo "#define GFC_REAL_LARGEST_FORMAT \"L\"" ;;
-  *) echo "$0: Unknown type" >&2 ; exit 1 ;;
-esac
-echo "#define GFC_REAL_LARGEST $largest_ctype"
-
 exit 0