+2016-04-26 Jakub Jelinek <jakub@redhat.com>
+
+ PR bootstrap/70704
+ * configure.ac (--enable-stage1-checking): For --disable-checking or
+ implicit --enable-checking, make sure extra flag matches in between
+ stage1 and later checking.
+ * configure: Regenerated.
+
2016-04-22 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
* .gitattributes: New file.
# For --disable-checking or implicit --enable-checking=release, avoid
# setting --enable-checking=gc in the default stage1 checking for LTO
# bootstraps. See PR62077.
- stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types
case $BUILD_CONFIG in
*lto*)
- if test "x$enable_checking" = x && \
- test -d ${srcdir}/gcc && \
- test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then
- stage1_checking=--enable-checking=yes,types
- fi;;
- *) stage1_checking=--enable-checking=yes,types;;
+ stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types;;
+ *)
+ stage1_checking=--enable-checking=yes,types;;
esac
+ if test "x$enable_checking" = x && \
+ test -d ${srcdir}/gcc && \
+ test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then
+ stage1_checking=yes,types,extra
+ fi
else
stage1_checking=--enable-checking=$enable_checking,types
fi
# For --disable-checking or implicit --enable-checking=release, avoid
# setting --enable-checking=gc in the default stage1 checking for LTO
# bootstraps. See PR62077.
- stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types
case $BUILD_CONFIG in
*lto*)
- if test "x$enable_checking" = x && \
- test -d ${srcdir}/gcc && \
- test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then
- stage1_checking=--enable-checking=yes,types
- fi;;
- *) stage1_checking=--enable-checking=yes,types;;
+ stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types;;
+ *)
+ stage1_checking=--enable-checking=yes,types;;
esac
+ if test "x$enable_checking" = x && \
+ test -d ${srcdir}/gcc && \
+ test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then
+ stage1_checking=yes,types,extra
+ fi
else
stage1_checking=--enable-checking=$enable_checking,types
fi])
+2016-04-26 Jakub Jelinek <jakub@redhat.com>
+
+ PR bootstrap/70704
+ * configure.ac (--enable-checking): Document extra flag, for
+ non-release builds default to --enable-checking=yes,extra.
+ If misc checking and extra checking, define CHECKING_P to 2 instead
+ of 1.
+ * common.opt (fchecking=): Add.
+ * doc/invoke.texi (-fchecking=): Document.
+ * doc/install.texi: Document --enable-checking changes.
+ * configure: Regenerated.
+ * config.in: Regenerated.
+
2016-04-25 Uros Bizjak <ubizjak@gmail.com>
* config/i386/i386.md (*movxi_internal_avx512f): Use insn type
Common Var(flag_checking) Init(CHECKING_P)
Perform internal consistency checkings.
+fchecking=
+Common Joined RejectNegative UInteger Var(flag_checking)
+Perform internal consistency checkings.
+
fcombine-stack-adjustments
Common Report Var(flag_combine_stack_adjustments) Optimization
Looks for opportunities to reduce stack adjustments and stack references.
/* Define to 1 if you want more run-time sanity checks. This one gets a grab
- bag of miscellaneous but relatively cheap checks. */
+ bag of miscellaneous but relatively cheap checks. Define to 2 if you want
+ also extra run-time checking that might affect code generation. */
#ifndef USED_FOR_TARGET
#undef CHECKING_P
#endif
enable expensive run-time checks. With LIST, enable
only specific categories of checks. Categories are:
yes,no,all,none,release. Flags are:
- assert,df,fold,gc,gcac,gimple,misc,
+ assert,df,extra,fold,gc,gcac,gimple,misc,
rtlflag,rtl,runtime,tree,valgrind,types
--enable-coverage[=LEVEL]
enable compiler's code coverage collection. Use to
# Determine the default checks.
if test x$is_release = x ; then
- ac_checking_flags=yes
+ ac_checking_flags=yes,extra
else
ac_checking_flags=release
fi
case $check in
# these set all the flags to specific states
yes) ac_assert_checking=1 ; ac_checking=1 ; ac_df_checking= ;
- ac_fold_checking= ; ac_gc_checking=1 ;
+ ac_fold_checking= ; ac_gc_checking=1 ; ac_extra_checking= ;
ac_gc_always_collect= ; ac_gimple_checking=1 ; ac_rtl_checking= ;
ac_rtlflag_checking=1 ; ac_runtime_checking=1 ;
ac_tree_checking=1 ; ac_valgrind_checking= ;
ac_types_checking=1 ;;
no|none) ac_assert_checking= ; ac_checking= ; ac_df_checking= ;
- ac_fold_checking= ; ac_gc_checking= ;
+ ac_fold_checking= ; ac_gc_checking= ; ac_extra_checking= ;
ac_gc_always_collect= ; ac_gimple_checking= ; ac_rtl_checking= ;
ac_rtlflag_checking= ; ac_runtime_checking= ;
ac_tree_checking= ; ac_valgrind_checking= ;
ac_types_checking= ;;
all) ac_assert_checking=1 ; ac_checking=1 ; ac_df_checking=1 ;
- ac_fold_checking=1 ; ac_gc_checking=1 ;
+ ac_fold_checking=1 ; ac_gc_checking=1 ; ac_extra_checking=1 ;
ac_gc_always_collect=1 ; ac_gimple_checking=1 ; ac_rtl_checking=1 ;
ac_rtlflag_checking=1 ; ac_runtime_checking=1 ;
ac_tree_checking=1 ; ac_valgrind_checking= ;
ac_types_checking=1 ;;
release) ac_assert_checking=1 ; ac_checking= ; ac_df_checking= ;
- ac_fold_checking= ; ac_gc_checking= ;
+ ac_fold_checking= ; ac_gc_checking= ; ac_extra_checking= ;
ac_gc_always_collect= ; ac_gimple_checking= ; ac_rtl_checking= ;
ac_rtlflag_checking= ; ac_runtime_checking=1 ;
ac_tree_checking= ; ac_valgrind_checking= ;
ac_types_checking= ;;
# these enable particular checks
assert) ac_assert_checking=1 ;;
- df) ac_df_checking=1 ;;
+ df) ac_df_checking=1 ;;
+ extra) ac_extra_checking=1 ;;
fold) ac_fold_checking=1 ;;
gc) ac_gc_checking=1 ;;
gcac) ac_gc_always_collect=1 ;;
nocommon_flag=""
if test x$ac_checking != x ; then
+ if test x$ac_extra_checking != x ; then
+ ac_checking=2
+ fi
-$as_echo "#define CHECKING_P 1" >>confdefs.h
+cat >>confdefs.h <<_ACEOF
+#define CHECKING_P $ac_checking
+_ACEOF
nocommon_flag=-fno-common
else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 18456 "configure"
+#line 18462 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 18562 "configure"
+#line 18568 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
[enable expensive run-time checks. With LIST,
enable only specific categories of checks.
Categories are: yes,no,all,none,release.
- Flags are: assert,df,fold,gc,gcac,gimple,misc,
+ Flags are: assert,df,extra,fold,gc,gcac,gimple,misc,
rtlflag,rtl,runtime,tree,valgrind,types])],
[ac_checking_flags="${enableval}"],[
# Determine the default checks.
if test x$is_release = x ; then
- ac_checking_flags=yes
+ ac_checking_flags=yes,extra
else
ac_checking_flags=release
fi])
case $check in
# these set all the flags to specific states
yes) ac_assert_checking=1 ; ac_checking=1 ; ac_df_checking= ;
- ac_fold_checking= ; ac_gc_checking=1 ;
+ ac_fold_checking= ; ac_gc_checking=1 ; ac_extra_checking= ;
ac_gc_always_collect= ; ac_gimple_checking=1 ; ac_rtl_checking= ;
ac_rtlflag_checking=1 ; ac_runtime_checking=1 ;
ac_tree_checking=1 ; ac_valgrind_checking= ;
ac_types_checking=1 ;;
no|none) ac_assert_checking= ; ac_checking= ; ac_df_checking= ;
- ac_fold_checking= ; ac_gc_checking= ;
+ ac_fold_checking= ; ac_gc_checking= ; ac_extra_checking= ;
ac_gc_always_collect= ; ac_gimple_checking= ; ac_rtl_checking= ;
ac_rtlflag_checking= ; ac_runtime_checking= ;
ac_tree_checking= ; ac_valgrind_checking= ;
ac_types_checking= ;;
all) ac_assert_checking=1 ; ac_checking=1 ; ac_df_checking=1 ;
- ac_fold_checking=1 ; ac_gc_checking=1 ;
+ ac_fold_checking=1 ; ac_gc_checking=1 ; ac_extra_checking=1 ;
ac_gc_always_collect=1 ; ac_gimple_checking=1 ; ac_rtl_checking=1 ;
ac_rtlflag_checking=1 ; ac_runtime_checking=1 ;
ac_tree_checking=1 ; ac_valgrind_checking= ;
ac_types_checking=1 ;;
release) ac_assert_checking=1 ; ac_checking= ; ac_df_checking= ;
- ac_fold_checking= ; ac_gc_checking= ;
+ ac_fold_checking= ; ac_gc_checking= ; ac_extra_checking= ;
ac_gc_always_collect= ; ac_gimple_checking= ; ac_rtl_checking= ;
ac_rtlflag_checking= ; ac_runtime_checking=1 ;
ac_tree_checking= ; ac_valgrind_checking= ;
ac_types_checking= ;;
# these enable particular checks
assert) ac_assert_checking=1 ;;
- df) ac_df_checking=1 ;;
+ df) ac_df_checking=1 ;;
+ extra) ac_extra_checking=1 ;;
fold) ac_fold_checking=1 ;;
gc) ac_gc_checking=1 ;;
gcac) ac_gc_always_collect=1 ;;
nocommon_flag=""
if test x$ac_checking != x ; then
- AC_DEFINE(CHECKING_P, 1,
+ if test x$ac_extra_checking != x ; then
+ ac_checking=2
+ fi
+ AC_DEFINE_UNQUOTED(CHECKING_P, $ac_checking,
[Define to 1 if you want more run-time sanity checks. This one gets a grab
- bag of miscellaneous but relatively cheap checks.])
+ bag of miscellaneous but relatively cheap checks. Define to 2 if you want
+ also extra run-time checking that might affect code generation.])
nocommon_flag=-fno-common
else
AC_DEFINE(CHECKING_P, 0)
+2016-04-26 Jakub Jelinek <jakub@redhat.com>
+
+ PR bootstrap/70704
+ * pt.c (build_non_dependent_expr): Use flag_checking > 1 instead of
+ just flag_checking.
+
2016-04-25 Jason Merrill <jason@redhat.com>
* tree.c (std_attribute_table): New.
/* When checking, try to get a constant value for all non-dependent
expressions in order to expose bugs in *_dependent_expression_p
- and constexpr. */
- if (flag_checking && cxx_dialect >= cxx11
+ and constexpr. This can affect code generation, see PR70704, so
+ only do this for -fchecking=2. */
+ if (flag_checking > 1
+ && cxx_dialect >= cxx11
/* Don't do this during nsdmi parsing as it can lead to
unexpected recursive instantiations. */
&& !parsing_nsdmi ())
consistency checks of the requested complexity. This does not change the
generated code, but adds error checking within the compiler. This will
slow down the compiler and may only work properly if you are building
-the compiler with GCC@. This is @samp{yes} by default when building
+the compiler with GCC@. This is @samp{yes,extra} by default when building
from SVN or snapshots, but @samp{release} for releases. The default
for building the stage1 compiler is @samp{yes}. More control
over the checks may be had by specifying @var{list}. The categories of
all), @samp{all} (all but @samp{valgrind}), @samp{release} (cheapest
checks @samp{assert,runtime}) or @samp{none} (same as @samp{no}).
Individual checks can be enabled with these flags @samp{assert},
-@samp{df}, @samp{fold}, @samp{gc}, @samp{gcac} @samp{misc}, @samp{rtl},
-@samp{rtlflag}, @samp{runtime}, @samp{tree}, and @samp{valgrind}.
+@samp{df}, @samp{fold}, @samp{gc}, @samp{gcac}, @samp{misc}, @samp{rtl},
+@samp{rtlflag}, @samp{runtime}, @samp{tree}, @samp{extra} and @samp{valgrind}.
+@samp{extra} adds for @samp{misc} checking extra checks that might affect
+code generation and should therefore not differ between stage1 and later
+stages.
The @samp{valgrind} check requires the external @command{valgrind}
simulator, available from @uref{http://valgrind.org/}. The
@item Developer Options
@xref{Developer Options,,GCC Developer Options}.
@gccoptlist{-d@var{letters} -dumpspecs -dumpmachine -dumpversion @gol
--fchecking -fdbg-cnt-list -fdbg-cnt=@var{counter-value-list} @gol
+-fchecking -fchecking=@var{n} -fdbg-cnt-list @gol
+-fdbg-cnt=@var{counter-value-list} @gol
-fdisable-ipa-@var{pass_name} @gol
-fdisable-rtl-@var{pass_name} @gol
-fdisable-rtl-@var{pass-name}=@var{range-list} @gol
@end smallexample
@item -fchecking
+@itemx -fchecking=@var{n}
@opindex fchecking
@opindex fno-checking
Enable internal consistency checking. The default depends on
-the compiler configuration.
+the compiler configuration. @option{-fchecking=2} enables further
+internal consistency checking that might affect code generation.
@item -frandom-seed=@var{string}
@opindex frandom-seed
projects / gcc.git / commitdiff