PR target/23832

[pf3gnuchains/gcc-fork.git] / gcc / opts.c

diff --git a/gcc/opts.c b/gcc/opts.c
index b6f98e0..7edaeac 100644 (file)
--- a/gcc/opts.c
+++ b/gcc/opts.c
@@ -16,8 +16,8 @@ for more details.
 
 You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING.  If not, write to the Free
-Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA.  */
+Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301, USA.  */
 
 #include "config.h"
 #include "system.h"
@@ -38,6 +38,7 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 #include "tm_p.h"              /* For OPTIMIZATION_OPTIONS.  */
 #include "insn-attr.h"         /* For INSN_SCHEDULING.  */
 #include "target.h"
+#include "tree-pass.h"
 
 /* Value of the -G xx switch, and whether it was passed or not.  */
 unsigned HOST_WIDE_INT g_switch_value;
@@ -93,8 +94,8 @@ static const char undocumented_msg[] = N_("This switch lacks documentation");
 static bool profile_arc_flag_set, flag_profile_values_set;
 static bool flag_unroll_loops_set, flag_tracer_set;
 static bool flag_value_profile_transformations_set;
-bool flag_speculative_prefetching_set;
 static bool flag_peel_loops_set, flag_branch_probabilities_set;
+static bool flag_loop_optimize_set;
 
 /* Input file names.  */
 const char **in_fnames;
@@ -522,6 +523,8 @@ decode_options (unsigned int argc, const char **argv)
       flag_loop_optimize = 1;
       flag_if_conversion = 1;
       flag_if_conversion2 = 1;
+      flag_ipa_pure_const = 1;
+      flag_ipa_reference = 1;
       flag_tree_ccp = 1;
       flag_tree_dce = 1;
       flag_tree_dom = 1;
@@ -555,11 +558,11 @@ decode_options (unsigned int argc, const char **argv)
       flag_cse_skip_blocks = 1;
       flag_gcse = 1;
       flag_expensive_optimizations = 1;
+      flag_ipa_type_escape = 1;
       flag_strength_reduce = 1;
       flag_rerun_cse_after_loop = 1;
       flag_rerun_loop_opt = 1;
       flag_caller_saves = 1;
-      flag_force_mem = 1;
       flag_peephole2 = 1;
 #ifdef INSN_SCHEDULING
       flag_schedule_insns = 1;
@@ -627,11 +630,8 @@ decode_options (unsigned int argc, const char **argv)
      modify it.  */
   target_flags = targetm.default_target_flags;
 
-  /* Unwind tables are always present when a target has ABI-specified unwind
-     tables, so the default should be ON.  */
-#ifdef TARGET_UNWIND_INFO
-  flag_unwind_tables = TARGET_UNWIND_INFO;
-#endif
+  /* Some tagets have ABI-specified unwind tables.  */
+  flag_unwind_tables = targetm.unwind_tables_default;
 
 #ifdef OPTIMIZATION_OPTIONS
   /* Allow default optimizations to be specified on a per-machine basis.  */
@@ -690,7 +690,7 @@ decode_options (unsigned int argc, const char **argv)
       && !targetm.have_named_sections)
     {
       inform 
-       ("-freorder-blocks-and-partition does not work on this architecture.");
+       ("-freorder-blocks-and-partition does not work on this architecture");
       flag_reorder_blocks_and_partition = 0;
       flag_reorder_blocks = 1;
     }
@@ -807,6 +807,10 @@ common_handle_option (size_t scode, const char *arg, int value)
       flag_branch_probabilities_set = true;
       break;
 
+    case OPT_floop_optimize:
+      flag_loop_optimize_set = true;
+      break;
+
     case OPT_fcall_used_:
       fix_register (arg, 0, 1);
       break;
@@ -883,10 +887,9 @@ common_handle_option (size_t scode, const char *arg, int value)
         flag_tracer = value;
       if (!flag_value_profile_transformations_set)
         flag_value_profile_transformations = value;
-#ifdef HAVE_prefetch
-      if (0 && !flag_speculative_prefetching_set)
-       flag_speculative_prefetching = value;
-#endif
+      /* Old loop optimizer is incompatible with tree profiling.  */
+      if (!flag_loop_optimize_set)
+       flag_loop_optimize = 0;
       break;
 
     case OPT_fprofile_generate:
@@ -896,12 +899,6 @@ common_handle_option (size_t scode, const char *arg, int value)
         flag_profile_values = value;
       if (!flag_value_profile_transformations_set)
         flag_value_profile_transformations = value;
-      if (!flag_unroll_loops_set)
-       flag_unroll_loops = value;
-#ifdef HAVE_prefetch
-      if (0 && !flag_speculative_prefetching_set)
-       flag_speculative_prefetching = value;
-#endif
       break;
 
     case OPT_fprofile_values:
@@ -927,10 +924,6 @@ common_handle_option (size_t scode, const char *arg, int value)
       flag_value_profile_transformations_set = true;
       break;
 
-    case OPT_fspeculative_prefetching:
-      flag_speculative_prefetching_set = true;
-      break;
-
     case OPT_frandom_seed:
       /* The real switch is -fno-random-seed.  */
       if (value)
@@ -1044,6 +1037,10 @@ common_handle_option (size_t scode, const char *arg, int value)
       flag_pedantic_errors = pedantic = 1;
       break;
 
+    case OPT_fforce_mem:
+      warning (0, "-f[no-]force-mem is nop and option will be removed in 4.2");
+      break;
+
     default:
       /* If the flag was handled in a standard way, assume the lack of
         processing here is intentional.  */