refs #217: do not enable -ftree-ch by default

also set -freorder-blocks-algorithm=simple as default.
bebbo · Jan 8, 2024 · 9505524 · 9505524
1 parent 61deec1
commit 9505524
Showing 1 changed file with 8 additions and 1 deletion.
diff --git a/gcc/opts.c b/gcc/opts.c
@@ -466,7 +466,9 @@ static const struct default_options default_options_table[] =
     { OPT_LEVELS_1_PLUS, OPT_ftree_fre, NULL, 1 },
     { OPT_LEVELS_1_PLUS, OPT_ftree_copy_prop, NULL, 1 },
     { OPT_LEVELS_1_PLUS, OPT_ftree_sink, NULL, 1 },
+#ifndef TARGET_M68K
     { OPT_LEVELS_1_PLUS, OPT_ftree_ch, NULL, 1 },
+#endif
     { OPT_LEVELS_1_PLUS, OPT_fcombine_stack_adjustments, NULL, 1 },
     { OPT_LEVELS_1_PLUS, OPT_fcompare_elim, NULL, 1 },
     { OPT_LEVELS_1_PLUS, OPT_ftree_slsr, NULL, 1 },
@@ -498,7 +500,12 @@ static const struct default_options default_options_table[] =
     { OPT_LEVELS_2_PLUS, OPT_fstrict_aliasing, NULL, 1 },
     { OPT_LEVELS_2_PLUS, OPT_fstrict_overflow, NULL, 1 },
     { OPT_LEVELS_2_PLUS, OPT_freorder_blocks_algorithm_, NULL,
-      REORDER_BLOCKS_ALGORITHM_STC },
+#ifdef TARGET_M68K
+      REORDER_BLOCKS_ALGORITHM_SIMPLE
+#else
+      REORDER_BLOCKS_ALGORITHM_STC
+#endif
+    },
     { OPT_LEVELS_2_PLUS, OPT_freorder_functions, NULL, 1 },
     { OPT_LEVELS_2_PLUS, OPT_ftree_vrp, NULL, 1 },
     { OPT_LEVELS_2_PLUS, OPT_ftree_pre, NULL, 1 },