diff --git a/ChangeLog b/ChangeLog index 3b0f3d0c460..6ee632f7eb6 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,11 @@ +2016-04-26 Jakub Jelinek + + 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 * .gitattributes: New file. diff --git a/configure b/configure index 35f231ea92b..d747385ddbf 100755 --- a/configure +++ b/configure @@ -14850,16 +14850,17 @@ else # 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 diff --git a/configure.ac b/configure.ac index 74bf58aad93..1652182fd14 100644 --- a/configure.ac +++ b/configure.ac @@ -3530,16 +3530,17 @@ AC_ARG_ENABLE(stage1-checking, # 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]) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 282642c70e7..21ac47206bb 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,16 @@ +2016-04-26 Jakub Jelinek + + 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 * config/i386/i386.md (*movxi_internal_avx512f): Use insn type diff --git a/gcc/common.opt b/gcc/common.opt index 67048db7c9b..682cb417e3d 100644 --- a/gcc/common.opt +++ b/gcc/common.opt @@ -1029,6 +1029,10 @@ fchecking 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. diff --git a/gcc/config.in b/gcc/config.in index 115cb61639d..bdde25fe12f 100644 --- a/gcc/config.in +++ b/gcc/config.in @@ -31,7 +31,8 @@ /* 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 diff --git a/gcc/configure b/gcc/configure index 1c6e3407ce7..d4d5ddf6931 100755 --- a/gcc/configure +++ b/gcc/configure @@ -1596,7 +1596,7 @@ Optional Features: 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 @@ -7075,7 +7075,7 @@ else # 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 @@ -7087,32 +7087,33 @@ do case $check in # these set all the flags to specific states yes) ac_assert_checking=1 ; ac_checking=1 ; ac_df_checking= ; - ac_fold_checking= ; ac_gc_checking=1 ; + ac_fold_checking= ; ac_gc_checking=1 ; ac_extra_checking= ; ac_gc_always_collect= ; ac_gimple_checking=1 ; ac_rtl_checking= ; ac_rtlflag_checking=1 ; ac_runtime_checking=1 ; ac_tree_checking=1 ; ac_valgrind_checking= ; ac_types_checking=1 ;; no|none) ac_assert_checking= ; ac_checking= ; ac_df_checking= ; - ac_fold_checking= ; ac_gc_checking= ; + ac_fold_checking= ; ac_gc_checking= ; ac_extra_checking= ; ac_gc_always_collect= ; ac_gimple_checking= ; ac_rtl_checking= ; ac_rtlflag_checking= ; ac_runtime_checking= ; ac_tree_checking= ; ac_valgrind_checking= ; ac_types_checking= ;; all) ac_assert_checking=1 ; ac_checking=1 ; ac_df_checking=1 ; - ac_fold_checking=1 ; ac_gc_checking=1 ; + ac_fold_checking=1 ; ac_gc_checking=1 ; ac_extra_checking=1 ; ac_gc_always_collect=1 ; ac_gimple_checking=1 ; ac_rtl_checking=1 ; ac_rtlflag_checking=1 ; ac_runtime_checking=1 ; ac_tree_checking=1 ; ac_valgrind_checking= ; ac_types_checking=1 ;; release) ac_assert_checking=1 ; ac_checking= ; ac_df_checking= ; - ac_fold_checking= ; ac_gc_checking= ; + ac_fold_checking= ; ac_gc_checking= ; ac_extra_checking= ; ac_gc_always_collect= ; ac_gimple_checking= ; ac_rtl_checking= ; ac_rtlflag_checking= ; ac_runtime_checking=1 ; ac_tree_checking= ; ac_valgrind_checking= ; ac_types_checking= ;; # these enable particular checks assert) ac_assert_checking=1 ;; - df) ac_df_checking=1 ;; + df) ac_df_checking=1 ;; + extra) ac_extra_checking=1 ;; fold) ac_fold_checking=1 ;; gc) ac_gc_checking=1 ;; gcac) ac_gc_always_collect=1 ;; @@ -7131,8 +7132,13 @@ IFS="$ac_save_IFS" 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 $ac_checking +_ACEOF nocommon_flag=-fno-common else @@ -18453,7 +18459,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<_LT_EOF -#line 18456 "configure" +#line 18462 "configure" #include "confdefs.h" #if HAVE_DLFCN_H @@ -18559,7 +18565,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<_LT_EOF -#line 18562 "configure" +#line 18568 "configure" #include "confdefs.h" #if HAVE_DLFCN_H diff --git a/gcc/configure.ac b/gcc/configure.ac index 6c1dcd9aedb..0328a2cd024 100644 --- a/gcc/configure.ac +++ b/gcc/configure.ac @@ -516,12 +516,12 @@ AC_ARG_ENABLE(checking, [enable expensive run-time checks. With LIST, enable only specific categories of checks. Categories are: yes,no,all,none,release. - Flags are: assert,df,fold,gc,gcac,gimple,misc, + Flags are: assert,df,extra,fold,gc,gcac,gimple,misc, rtlflag,rtl,runtime,tree,valgrind,types])], [ac_checking_flags="${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]) @@ -531,32 +531,33 @@ do case $check in # these set all the flags to specific states yes) ac_assert_checking=1 ; ac_checking=1 ; ac_df_checking= ; - ac_fold_checking= ; ac_gc_checking=1 ; + ac_fold_checking= ; ac_gc_checking=1 ; ac_extra_checking= ; ac_gc_always_collect= ; ac_gimple_checking=1 ; ac_rtl_checking= ; ac_rtlflag_checking=1 ; ac_runtime_checking=1 ; ac_tree_checking=1 ; ac_valgrind_checking= ; ac_types_checking=1 ;; no|none) ac_assert_checking= ; ac_checking= ; ac_df_checking= ; - ac_fold_checking= ; ac_gc_checking= ; + ac_fold_checking= ; ac_gc_checking= ; ac_extra_checking= ; ac_gc_always_collect= ; ac_gimple_checking= ; ac_rtl_checking= ; ac_rtlflag_checking= ; ac_runtime_checking= ; ac_tree_checking= ; ac_valgrind_checking= ; ac_types_checking= ;; all) ac_assert_checking=1 ; ac_checking=1 ; ac_df_checking=1 ; - ac_fold_checking=1 ; ac_gc_checking=1 ; + ac_fold_checking=1 ; ac_gc_checking=1 ; ac_extra_checking=1 ; ac_gc_always_collect=1 ; ac_gimple_checking=1 ; ac_rtl_checking=1 ; ac_rtlflag_checking=1 ; ac_runtime_checking=1 ; ac_tree_checking=1 ; ac_valgrind_checking= ; ac_types_checking=1 ;; release) ac_assert_checking=1 ; ac_checking= ; ac_df_checking= ; - ac_fold_checking= ; ac_gc_checking= ; + ac_fold_checking= ; ac_gc_checking= ; ac_extra_checking= ; ac_gc_always_collect= ; ac_gimple_checking= ; ac_rtl_checking= ; ac_rtlflag_checking= ; ac_runtime_checking=1 ; ac_tree_checking= ; ac_valgrind_checking= ; ac_types_checking= ;; # these enable particular checks assert) ac_assert_checking=1 ;; - df) ac_df_checking=1 ;; + df) ac_df_checking=1 ;; + extra) ac_extra_checking=1 ;; fold) ac_fold_checking=1 ;; gc) ac_gc_checking=1 ;; gcac) ac_gc_always_collect=1 ;; @@ -575,9 +576,13 @@ IFS="$ac_save_IFS" 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) diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog index e9c50d663fe..a81ffa0c0e2 100644 --- a/gcc/cp/ChangeLog +++ b/gcc/cp/ChangeLog @@ -1,3 +1,9 @@ +2016-04-26 Jakub Jelinek + + PR bootstrap/70704 + * pt.c (build_non_dependent_expr): Use flag_checking > 1 instead of + just flag_checking. + 2016-04-25 Jason Merrill * tree.c (std_attribute_table): New. diff --git a/gcc/cp/pt.c b/gcc/cp/pt.c index e18422f37ec..2d033e3771a 100644 --- a/gcc/cp/pt.c +++ b/gcc/cp/pt.c @@ -23623,8 +23623,10 @@ build_non_dependent_expr (tree expr) /* 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 ()) diff --git a/gcc/doc/install.texi b/gcc/doc/install.texi index 4268036ca51..e1ca26c9e38 100644 --- a/gcc/doc/install.texi +++ b/gcc/doc/install.texi @@ -1708,7 +1708,7 @@ When you specify this option, the compiler is built to perform internal 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 @@ -1717,8 +1717,11 @@ checks available are @samp{yes} (most common checks 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 diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 821f8fd8594..0f97e6d912c 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -501,7 +501,8 @@ Objective-C and Objective-C++ Dialects}. @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 @@ -12368,10 +12369,12 @@ Here are some examples showing uses of these options. @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