diff options
Diffstat (limited to 'gcc/gcse.c')
| -rw-r--r-- | gcc/gcse.c | 5 |
1 files changed, 1 insertions, 4 deletions
@@ -5330,7 +5330,6 @@ static sbitmap *hoist_exprs; /* Dominator bitmaps. */ static sbitmap *dominators; -static sbitmap *post_dominators; /* ??? We could compute post dominators and run this algorithm in reverse to to perform tail merging, doing so would probably be @@ -5355,7 +5354,6 @@ alloc_code_hoist_mem (n_blocks, n_exprs) transpout = sbitmap_vector_alloc (n_blocks, n_exprs); dominators = sbitmap_vector_alloc (n_blocks, n_blocks); - post_dominators = sbitmap_vector_alloc (n_blocks, n_blocks); } /* Free vars used for code hoisting analysis. */ @@ -5373,7 +5371,6 @@ free_code_hoist_mem () free (transpout); free (dominators); - free (post_dominators); } /* Compute the very busy expressions at entry/exit from each block. @@ -5418,7 +5415,7 @@ compute_code_hoist_data () compute_local_properties (transp, comp, antloc, 0); compute_transpout (); compute_code_hoist_vbeinout (); - compute_flow_dominators (dominators, post_dominators); + compute_flow_dominators (dominators, NULL); if (gcse_file) fprintf (gcse_file, "\n"); } |