diff options
Diffstat (limited to 'gcc/loop.c')
| -rw-r--r-- | gcc/loop.c | 15 |
1 files changed, 5 insertions, 10 deletions
@@ -518,14 +518,6 @@ loop_optimize (f, dumpfile, unroll_p, bct_p) if (uid_luid[i] == 0) uid_luid[i] = uid_luid[i - 1]; - /* If debugging and unrolling loops, we must replicate the tree - nodes corresponding to the BLOCKs inside the loop, so that the - original one to one mapping will remain. We sometimes unroll - loops even when unroll_p is false, so we must always do this when - debugging. */ - if (write_symbols != NO_DEBUG) - find_loop_tree_blocks (); - /* Determine if the function has indirect jump. On some systems this prevents low overhead loop instructions from being used. */ indirect_jump_in_function = indirect_jump_in_function_p (f); @@ -540,9 +532,12 @@ loop_optimize (f, dumpfile, unroll_p, bct_p) scan_loop (loop, unroll_p, bct_p); } - /* Replicate the BLOCKs. */ + /* If there were lexical blocks inside the loop, they have been + replicated. We will now have more than one NOTE_INSN_BLOCK_BEG + and NOTE_INSN_BLOCK_END for each such block. We must duplicate + the BLOCKs as well. */ if (write_symbols != NO_DEBUG) - unroll_block_trees (); + reorder_blocks (); end_alias_analysis (); |