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| author | Eric Botcazou <ebotcazou@adacore.com> | 2012-11-12 22:59:37 +0000 |
|---|---|---|
| committer | Eric Botcazou <ebotcazou@gcc.gnu.org> | 2012-11-12 22:59:37 +0000 |
| commit | 1267ca30d1bf952f4b79d4e2f971c1f1f62e6637 (patch) | |
| tree | d3ae766be91adbe5f135e31a725f3fee8fb91bb5 | |
| parent | aea9bbebd1847adaae63e970f5328a0382de9367 (diff) | |
| download | gcc-1267ca30d1bf952f4b79d4e2f971c1f1f62e6637.zip gcc-1267ca30d1bf952f4b79d4e2f971c1f1f62e6637.tar.gz gcc-1267ca30d1bf952f4b79d4e2f971c1f1f62e6637.tar.bz2 | |
common.opt (fvar-tracking-uninit): Document.
* common.opt (fvar-tracking-uninit): Document.
* toplev.c (process_options): Fix handling of flag_var_tracking_uninit.
* config/darwin.c (darwin_override_options): Likewise.
From-SVN: r193456
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/common.opt | 4 | ||||
| -rw-r--r-- | gcc/config/darwin.c | 4 | ||||
| -rw-r--r-- | gcc/toplev.c | 5 |
4 files changed, 16 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index dfea1b6..c1904af 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2012-11-12 Eric Botcazou <ebotcazou@adacore.com> + + * common.opt (fvar-tracking-uninit): Document. + * toplev.c (process_options): Fix handling of flag_var_tracking_uninit. + * config/darwin.c (darwin_override_options): Likewise. + 2012-11-12 Steven Bosscher <steven@gcc.gnu.org> * sched-vis.c (print_pattern): Handle NULL patterns. diff --git a/gcc/common.opt b/gcc/common.opt index 6088d1a..9ad7df9 100644 --- a/gcc/common.opt +++ b/gcc/common.opt @@ -2193,6 +2193,10 @@ fvar-tracking-assignments-toggle Common Report Var(flag_var_tracking_assignments_toggle) Optimization Toggle -fvar-tracking-assignments +; Positive if we should track uninitialized variables, negative if +; we should run the var-tracking pass only to discard debug +; annotations. When flag_var_tracking_uninit == AUTODETECT_VALUE it +; will be set according to flag_var_tracking. fvar-tracking-uninit Common Report Var(flag_var_tracking_uninit) Optimization Perform variable tracking and also tag variables that are uninitialized diff --git a/gcc/config/darwin.c b/gcc/config/darwin.c index 5a9f50a..e56205b 100644 --- a/gcc/config/darwin.c +++ b/gcc/config/darwin.c @@ -3038,12 +3038,12 @@ darwin_override_options (void) darwin_emit_branch_islands = true; } - if (flag_var_tracking + if (flag_var_tracking_uninit == 0 && generating_for_darwin_version >= 9 && (flag_gtoggle ? (debug_info_level == DINFO_LEVEL_NONE) : (debug_info_level >= DINFO_LEVEL_NORMAL)) && write_symbols == DWARF2_DEBUG) - flag_var_tracking_uninit = 1; + flag_var_tracking_uninit = flag_var_tracking; if (MACHO_DYNAMIC_NO_PIC_P) { diff --git a/gcc/toplev.c b/gcc/toplev.c index 8911ca3..7c0cef5 100644 --- a/gcc/toplev.c +++ b/gcc/toplev.c @@ -1421,12 +1421,15 @@ process_options (void) /* If the user specifically requested variable tracking with tagging uninitialized variables, we need to turn on variable tracking. (We already determined above that variable tracking is feasible.) */ - if (flag_var_tracking_uninit) + if (flag_var_tracking_uninit == 1) flag_var_tracking = 1; if (flag_var_tracking == AUTODETECT_VALUE) flag_var_tracking = optimize >= 1; + if (flag_var_tracking_uninit == AUTODETECT_VALUE) + flag_var_tracking_uninit = flag_var_tracking; + if (flag_var_tracking_assignments == AUTODETECT_VALUE) flag_var_tracking_assignments = flag_var_tracking && !(flag_selective_scheduling || flag_selective_scheduling2); |