Skip to content

R
riscv-gcc-1
Commit 5dfa45d0 by Jakub Jelinek Committed by Jakub Jelinek
Options

configure.in (--enable-checking): Add fold category. 

	* configure.in (--enable-checking): Add fold category.
	(ENABLE_FOLD_CHECKING): Define if requested.
	* configure: Rebuilt.
	* config.in: Rebuilt.
	* doc/install.texi: Document it.
	* fold-const.c: Include md5.h.
	[ENABLE_FOLD_CHECKING] (fold): Define to fold_1.
	[ENABLE_FOLD_CHECKING] (fold, fold_checksum_tree, fold_check_failed,
	print_fold_checksum): New functions.

	* fold-const.c (fold): Never modify argument passed to fold, instead
	change a copy and return it.
	* convert.c (convert_to_integer): Likewise.
testsuite/
	* gcc.c-torture/compile/20030725-1.c: New test.

From-SVN: r69886
parent 66584e64
Showing with 292 additions and 12 deletions
gcc/ChangeLog
2003-07-28 Jakub Jelinek <jakub@redhat.com>
* configure.in (--enable-checking): Add fold category.
(ENABLE_FOLD_CHECKING): Define if requested.
* configure: Rebuilt.
* config.in: Rebuilt.
* doc/install.texi: Document it.
* fold-const.c: Include md5.h.
[ENABLE_FOLD_CHECKING] (fold): Define to fold_1.
[ENABLE_FOLD_CHECKING] (fold, fold_checksum_tree, fold_check_failed,
print_fold_checksum): New functions.
* fold-const.c (fold): Never modify argument passed to fold, instead
change a copy and return it.
* convert.c (convert_to_integer): Likewise.
2003-07-27 Nathanael Nerode <neroden@gcc.gnu.org>
* fixinc/fixinc.svr4: Remove dead code. Remove now-unnecessary
......
gcc/config.in
/* config.in. Generated automatically from configure.in by autoheader 2.13. */
/* config.in. Generated automatically from configure.in by autoheader. */
/* Define to the type of elements in the array set by `getgroups'.
Usually this is either `int' or `gid_t'. */
......@@ -236,6 +236,10 @@
every opportunity. This is extremely expensive. */
#undef ENABLE_GC_ALWAYS_COLLECT
/* Define if you want fold checked that it never destructs its argument.
This is quite expensive. */
#undef ENABLE_FOLD_CHECKING
/* Define if you want to run subprograms and generated programs
through valgrind (a memory checker). This is extremely expensive. */
#undef ENABLE_VALGRIND_CHECKING
......
gcc/configure
......@@ -34,7 +34,7 @@ ac_help="$ac_help
--enable-checking[=LIST]
enable expensive run-time checks. With LIST,
enable only specific categories of checks.
Categories are: misc,tree,rtl,rtlflag,gc,gcac;
Categories are: misc,tree,rtl,rtlflag,gc,gcac,fold;
default is misc,tree,gc,rtlflag"
ac_help="$ac_help
--enable-coverage[=LEVEL]
......@@ -1933,6 +1933,7 @@ ac_rtl_checking=
ac_rtlflag_checking=
ac_gc_checking=
ac_gc_always_collect=
ac_fold_checking=
case "${enableval}" in
yes) ac_checking=1 ; ac_tree_checking=1 ; ac_gc_checking=1 ;
ac_rtlflag_checking=1 ;;
......@@ -1949,6 +1950,7 @@ no) ;;
rtl) ac_rtl_checking=1 ;;
gc) ac_gc_checking=1 ;;
gcac) ac_gc_always_collect=1 ;;
fold) ac_fold_checking=1 ;;
valgrind) ac_checking_valgrind=1 ;;
*) { echo "configure: error: unknown check category $check" 1>&2; exit 1; } ;;
esac
......@@ -2000,6 +2002,12 @@ if test x$ac_gc_always_collect != x ; then
EOF
fi
if test x$ac_fold_checking != x ; then
cat >> confdefs.h <<\EOF
#define ENABLE_FOLD_CHECKING 1
EOF
fi
valgrind_path_defines=
valgrind_command=
if test x$ac_checking_valgrind != x ; then
......
gcc/configure.in
......@@ -318,7 +318,7 @@ AC_ARG_ENABLE(checking,
[ --enable-checking[=LIST]
enable expensive run-time checks. With LIST,
enable only specific categories of checks.
Categories are: misc,tree,rtl,rtlflag,gc,gcac;
Categories are: misc,tree,rtl,rtlflag,gc,gcac,fold;
default is misc,tree,gc,rtlflag],
[ac_checking=
ac_tree_checking=
......@@ -326,6 +326,7 @@ ac_rtl_checking=
ac_rtlflag_checking=
ac_gc_checking=
ac_gc_always_collect=
ac_fold_checking=
case "${enableval}" in
yes) ac_checking=1 ; ac_tree_checking=1 ; ac_gc_checking=1 ;
ac_rtlflag_checking=1 ;;
......@@ -342,6 +343,7 @@ no) ;;
rtl) ac_rtl_checking=1 ;;
gc) ac_gc_checking=1 ;;
gcac) ac_gc_always_collect=1 ;;
fold) ac_fold_checking=1 ;;
valgrind) ac_checking_valgrind=1 ;;
*) AC_MSG_ERROR(unknown check category $check) ;;
esac
......@@ -388,6 +390,11 @@ if test x$ac_gc_always_collect != x ; then
paranoid mode, validating the entire heap and collecting garbage at
every opportunity. This is extremely expensive.])
fi
if test x$ac_fold_checking != x ; then
AC_DEFINE(ENABLE_FOLD_CHECKING, 1,
[Define if you want fold checked that it never destructs its argument.
This is quite expensive.])
fi
valgrind_path_defines=
valgrind_command=
if test x$ac_checking_valgrind != x ; then
......
gcc/convert.c
......@@ -320,6 +320,7 @@ convert_to_integer (tree type, tree expr)
if (TREE_CODE_CLASS (ex_form) == '<')
{
expr = copy_node (expr);
TREE_TYPE (expr) = type;
return expr;
}
......@@ -328,6 +329,7 @@ convert_to_integer (tree type, tree expr)
|| ex_form == TRUTH_OR_EXPR || ex_form == TRUTH_ORIF_EXPR
|| ex_form == TRUTH_XOR_EXPR)
{
expr = copy_node (expr);
TREE_OPERAND (expr, 0) = convert (type, TREE_OPERAND (expr, 0));
TREE_OPERAND (expr, 1) = convert (type, TREE_OPERAND (expr, 1));
TREE_TYPE (expr) = type;
......@@ -336,6 +338,7 @@ convert_to_integer (tree type, tree expr)
else if (ex_form == TRUTH_NOT_EXPR)
{
expr = copy_node (expr);
TREE_OPERAND (expr, 0) = convert (type, TREE_OPERAND (expr, 0));
TREE_TYPE (expr) = type;
return expr;
......
gcc/doc/install.texi
......@@ -1038,8 +1038,8 @@ with GCC@. This is on by default when building from CVS or snapshots,
but off for releases. More control over the checks may be had by
specifying @var{list}; the categories of checks available are
@samp{misc}, @samp{tree}, @samp{gc}, @samp{rtl}, @samp{rtlflag},
@samp{gcac} and @samp{valgrind}. The check @samp{valgrind} requires the
external @command{valgrind} simulator, available from
@samp{fold}, @samp{gcac} and @samp{valgrind}. The check @samp{valgrind}
requires the external @command{valgrind} simulator, available from
@uref{http://developer.kde.org/~sewardj/}. The default when @var{list} is
not specified is @samp{misc,tree,gc,rtlflag}; the checks @samp{rtl},
@samp{gcac} and @samp{valgrind} are very expensive.
......
gcc/testsuite/ChangeLog
2003-07-28 Jakub Jelinek <jakub@redhat.com>
* gcc.c-torture/compile/20030725-1.c: New test.
2003-07-28 Aldy Hernandez <aldyh@redhat.com>
* gcc.dg/20030505.c: Only run for SPE.
......
gcc/testsuite/gcc.c-torture/compile/20030725-1.c 0 → 100644
/* This testcase caused ICE on any 64-bit arch at -O2/-O3 due to
fold/extract_muldiv/convert destroying its argument. */
int x, *y, z, *p;
void
foo (void)
{
p = y + (8 * (x == 1 || x == 3) + z);
}
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment