gcc/libgcc/gen-fixed.sh

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#!/bin/sh
# Worker script for libgcc/Makefile.in
# Generate lists of fixed-point labels, funcs, modes, from, to.
# Usage:
# gen-fixed.sh arith labels
# gen-fixed.sh arith funcs
# gen-fixed.sh arith modes
# gen-fixed.sh conv labels
# gen-fixed.sh conv funcs
# gen-fixed.sh conv from
# gen-fixed.sh conv to
fixed_sfract_modes="QQ HQ SQ DQ TQ HA SA DA TA"
fixed_ufract_modes="UQQ UHQ USQ UDQ UTQ UHA USA UDA UTA"
fixed_fract_modes="$fixed_sfract_modes $fixed_ufract_modes"
fixed_signed_modes="QI HI SI DI TI SF DF"
fixed_unsigned_modes="UQI UHI USI UDI UTI"
fixed_func_names="_add _sub _neg _mul _mulhelper _divhelper _ashl _ashlhelper _cmp _saturate1 _saturate2"
fixed_sfunc_names="_ssadd _sssub _ssneg _ssmul _ssdiv _div _ssashl _ashr"
fixed_ufunc_names="_usadd _ussub _usneg _usmul _usdiv _udiv _usashl _lshr"
# emit the function information
# $1 = output type selector
# $2 = base function name
# $3 = from mode
# $4 = to mode
emit ()
{
if [ "$3" != "$4" ]; then
case "$1" in
labels)
echo $2 ;;
from | modes)
echo $3 ;;
to)
echo $4 ;;
funcs)
echo $2$3$4 ;;
esac
fi
}
case "$1" in
arith)
for n in $fixed_func_names; do
for m in $fixed_fract_modes; do
emit $2 $n $m
done
done
for n in $fixed_sfunc_names; do
for m in $fixed_sfract_modes; do
emit $2 $n $m
done
done
for n in $fixed_ufunc_names; do
for m in $fixed_ufract_modes; do
emit $2 $n $m
done
done
;;
conv)
for f in $fixed_fract_modes; do
for t in $fixed_fract_modes $fixed_signed_modes; do
emit $2 _fract $f $t
done
done
for f in $fixed_signed_modes; do
for t in $fixed_fract_modes; do
emit $2 _fract $f $t
done
done
for f in $fixed_fract_modes $fixed_signed_modes; do
for t in $fixed_fract_modes; do
emit $2 _satfract $f $t
done
done
for f in $fixed_fract_modes; do
for t in $fixed_unsigned_modes; do
emit $2 _fractuns $f $t
done
done
for f in $fixed_unsigned_modes; do
for t in $fixed_fract_modes; do
emit $2 _fractuns $f $t
done
done
for f in $fixed_unsigned_modes; do
for t in $fixed_fract_modes; do
emit $2 _satfractuns $f $t
done
done
;;
esac