diff options
Diffstat (limited to 'gcc/opts.c')
| -rw-r--r-- | gcc/opts.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/gcc/opts.c b/gcc/opts.c index 1dd9da1619d..b5e2930c842 100644 --- a/gcc/opts.c +++ b/gcc/opts.c @@ -481,7 +481,6 @@ decode_options (unsigned int argc, const char **argv) if (optimize >= 1) { flag_defer_pop = 1; - flag_thread_jumps = 1; #ifdef DELAY_SLOTS flag_delayed_branch = 1; #endif @@ -510,14 +509,12 @@ decode_options (unsigned int argc, const char **argv) the condition is satisfied in the first iteration and therefore to eliminate it. Jump threading handles these cases now. */ flag_tree_ch = 1; - - /* PRE tends to generate bigger code. */ - flag_tree_pre = 1; } } if (optimize >= 2) { + flag_thread_jumps = 1; flag_crossjumping = 1; flag_optimize_sibling_calls = 1; flag_cse_follow_jumps = 1; @@ -540,6 +537,12 @@ decode_options (unsigned int argc, const char **argv) flag_reorder_blocks = 1; flag_reorder_functions = 1; flag_unit_at_a_time = 1; + + if (!optimize_size) + { + /* PRE tends to generate bigger code. */ + flag_tree_pre = 1; + } } if (optimize >= 3) |