libgcc/gen-fixed.sh

   1 #!/bin/sh
   2
   3 # Worker script for libgcc/Makefile.in
   4 # Generate lists of fixed-point labels, funcs, modes, from, to.
   5 # Usage:
   6 #    gen-fixed.sh arith labels
   7 #    gen-fixed.sh arith funcs
   8 #    gen-fixed.sh arith modes
   9 #    gen-fixed.sh conv labels
  10 #    gen-fixed.sh conv funcs
  11 #    gen-fixed.sh conv from
  12 #    gen-fixed.sh conv to
  13
  14 fixed_sfract_modes="QQ HQ SQ DQ TQ HA SA DA TA"
  15 fixed_ufract_modes="UQQ UHQ USQ UDQ UTQ UHA USA UDA UTA"
  16 fixed_fract_modes="$fixed_sfract_modes $fixed_ufract_modes"
  17
  18 fixed_signed_modes="QI HI SI DI TI SF DF"
  19 fixed_unsigned_modes="UQI UHI USI UDI UTI"
  20
  21 fixed_func_names="_add _sub _neg _mul _mulhelper _divhelper _ashl _ashlhelper _cmp _saturate1 _saturate2"
  22 fixed_sfunc_names="_ssadd _sssub _ssneg _ssmul _ssdiv _div _ssashl _ashr"
  23 fixed_ufunc_names="_usadd _ussub _usneg _usmul _usdiv _udiv _usashl _lshr"
  24
  25 # emit the function information
  26 # $1 = output type selector
  27 # $2 = base function name
  28 # $3 = from mode
  29 # $4 = to mode
  30 emit ()
  31 {
  32     if [ "$3" != "$4" ]; then
  33         case "$1" in
  34           labels)
  35             echo $2 ;;
  36           from | modes)
  37             echo $3 ;;
  38           to)
  39             echo $4 ;;
  40           funcs)
  41             echo $2$3$4 ;;
  42         esac
  43     fi
  44 }
  45
  46 case "$1" in
  47   arith)
  48     for n in $fixed_func_names; do
  49         for m in $fixed_fract_modes; do
  50             emit $2 $n $m
  51         done
  52     done
  53
  54     for n in $fixed_sfunc_names; do
  55         for m in $fixed_sfract_modes; do
  56             emit $2 $n $m
  57         done
  58     done
  59
  60     for n in $fixed_ufunc_names; do
  61         for m in $fixed_ufract_modes; do
  62             emit $2 $n $m
  63         done
  64     done
  65     ;;
  66
  67   conv)
  68     for f in $fixed_fract_modes; do
  69         for t in $fixed_fract_modes $fixed_signed_modes; do
  70             emit $2 _fract $f $t
  71         done
  72     done
  73
  74     for f in $fixed_signed_modes; do
  75         for t in $fixed_fract_modes; do
  76             emit $2 _fract $f $t
  77         done
  78     done
  79
  80     for f in $fixed_fract_modes $fixed_signed_modes; do
  81         for t in $fixed_fract_modes; do
  82             emit $2 _satfract $f $t
  83         done
  84     done
  85
  86     for f in $fixed_fract_modes; do
  87         for t in $fixed_unsigned_modes; do
  88             emit $2 _fractuns $f $t
  89         done
  90     done
  91
  92     for f in $fixed_unsigned_modes; do
  93         for t in $fixed_fract_modes; do
  94             emit $2 _fractuns $f $t
  95         done
  96     done
  97
  98     for f in $fixed_unsigned_modes; do
  99         for t in $fixed_fract_modes; do
 100             emit $2 _satfractuns $f $t
 101         done
 102     done
 103     ;;
 104
 105 esac