1999-11-23 Mark Mitchell <mark@codesourcery.com>
+ * loop.c (loop_optimize): Always find_loop_tree_blocks and
+ unroll_block_trees when generating debuggable code.
+
* tree.h (unsave_expr_1): New function.
(lang_unsave): New variable.
(get_callee_fndecl): New function.
if (uid_luid[i] == 0)
uid_luid[i] = uid_luid[i - 1];
- /* Create a mapping from loops to BLOCK tree nodes. */
- if (unroll_p && write_symbols != NO_DEBUG)
+ /* 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
scan_loop (loop_number_loop_starts[i], loop_number_loop_ends[i],
loop_number_loop_cont[i], unroll_p, bct_p);
- /* 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. */
- if (unroll_p && write_symbols != NO_DEBUG)
+ /* Replicate the BLOCKs. */
+ if (write_symbols != NO_DEBUG)
unroll_block_trees ();
end_alias_analysis ();