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Add support for --enable-sim-alignment to simulator common aclocal.m4

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Add support for --alignment={strict,nonstrict,forced} to simulator common
run-time options.
For v850 use, make the default NONSTRICT_ALIGNMENT.
This commit is contained in:
Andrew Cagney
1997-09-22 00:24:46 +00:00
parent 2c778bc53a
commit b45caf050c
17 changed files with 311 additions and 80 deletions
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31
sim/common/aclocal.m4 vendored
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@ -21,7 +21,7 @@
AC_DEFUN(SIM_AC_COMMON,
[
# autoconf.info says this should be called right after AC_INIT.
AC_CONFIG_HEADER(config.h:config.in)
AC_CONFIG_HEADER(ifelse([$1],,config.h,[$1]):config.in)
AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/../..)
AC_CANONICAL_SYSTEM
@ -212,19 +212,36 @@ dnl and SIM_AC_OUTPUT lines.
dnl Specify the alignment restrictions of the target architecture.
dnl Without this option all possible alignment restrictions are accomidated.
dnl arg[1] is hardwired target alignment
dnl arg[2] is default target alignment
AC_DEFUN(SIM_AC_OPTION_ALIGNMENT,
wire_alignment="ifelse([$2],,ifelse([$1],,,[$1]),[$2])"
default_alignment="ifelse([$2],,ifelse([$1],,,[$1]),[$2])"
default_sim_alignment="ifelse([$1],,ifelse([$2],,,-DWITH_DEFAULT_ALIGNMENT=[$2]),-DWITH_ALIGNMENT=[$1])"
[
AC_ARG_ENABLE(sim-alignment,
[ --enable-sim-alignment=align Specify strict or nonstrict alignment.],
[ --enable-sim-alignment=align Specify strict, nonstrict or forced alignment of memory accesses.],
[case "${enableval}" in
yes | strict | STRICT) sim_alignment="-DWITH_ALIGNMENT=STRICT_ALIGNMENT";;
no | nonstrict | NONSTRICT) sim_alignment="-DWITH_ALIGNMENT=NONSTRICT_ALIGNMENT";;
0 | default | DEFAULT) sim_alignment="-DWITH_ALIGNMENT=0";;
*) AC_MSG_ERROR("Unknown value $enableval passed to --enable-sim-alignment"); sim_alignment="";;
strict | STRICT) sim_alignment="-DWITH_ALIGNMENT=STRICT_ALIGNMENT";;
nonstrict | NONSTRICT) sim_alignment="-DWITH_ALIGNMENT=NONSTRICT_ALIGNMENT";;
forced | FORCED) sim_alignment="-DWITH_ALIGNMENT=FORCED_ALIGNMENT";;
yes) if test x"$wire_alignment" != x; then
sim_alignment="-DWITH_ALIGNMENT=${wire_alignment}"
else
echo "No hard-wired alignment for target $target" 1>&6
sim_alignment="-DWITH_ALIGNMENT=0"
fi;;
no) if test x"$default_alignment" != x; then
sim_alignment="-DWITH_DEFAULT_ALIGNMENT=${default_alignment}"
else
echo "No default alignment for target $target" 1>&6
sim_alignment="-DWITH_DEFAULT_ALIGNMENT=0"
fi;;
*) AC_MSG_ERROR("Unknown value $enableval passed to --enable-sim-alignment"); sim_alignment="";;
esac
if test x"$silent" != x"yes" && test x"$sim_alignment" != x""; then
echo "Setting alignment flags = $sim_alignment" 6>&1
fi],[sim_alignment=""])dnl
fi],[sim_alignment="${default_sim_alignment}"])dnl
AC_SUBST(sim_alignment)
])dnl