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[pf3gnuchains/gcc-fork.git] / libgfortran / mk-kinds-h.sh
index c5d20fe..98a95ab 100755 (executable)
@@ -45,16 +45,32 @@ 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" ; suffix="f" ;;
-      8) ctype="double" ; suffix="" ;;
-      10) ctype="long double" ; suffix="l" ;;
-      16) ctype="long double" ; suffix="l" ;;
+      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
 
@@ -78,10 +94,16 @@ for k in $possible_real_kinds; do
 
     # Output the information we've gathered
     echo "typedef ${ctype} GFC_REAL_${k};"
-    echo "typedef complex ${ctype} GFC_COMPLEX_${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 ""
@@ -89,4 +111,9 @@ for k in $possible_real_kinds; do
   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