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| author | Kenneth Zadeck <zadeck@naturalbridge.com> | 2007-06-17 17:51:25 +0000 |
|---|---|---|
| committer | Kenneth Zadeck <zadeck@gcc.gnu.org> | 2007-06-17 17:51:25 +0000 |
| commit | 5f7055585a583123884ed6b9c2eec1c8f340dbdb (patch) | |
| tree | 8c2e701b7a7e1d10cc013268235a947410544073 /gcc/modulo-sched.c | |
| parent | 19caedae314ce20ca4eb9cc7a64432d6fdf850b7 (diff) | |
| download | gcc-5f7055585a583123884ed6b9c2eec1c8f340dbdb.zip gcc-5f7055585a583123884ed6b9c2eec1c8f340dbdb.tar.gz gcc-5f7055585a583123884ed6b9c2eec1c8f340dbdb.tar.bz2 | |
re PR middle-end/32349 (ICE in df_refs_verify with -O2 -fmodulo-sched for spec tests)
2007-06-17 Kenneth Zadeck <zadeck@naturalbridge.com>
PR middle-end/32349
* modulo-sched (generate_reg_moves): Added rescan parameter and if
this is true, rescan insn being modified.
(sms_schedule): Added rescan parameter.
(rest_of_handle_sms): Moved freeing of dominance info to before
getting out of cfg_layout.
2007-06-17 Kenneth Zadeck <zadeck@naturalbridge.com>
* gcc.c-torture/compile/pr32349.c: New testcase.
From-SVN: r125776
Diffstat (limited to 'gcc/modulo-sched.c')
| -rw-r--r-- | gcc/modulo-sched.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/gcc/modulo-sched.c b/gcc/modulo-sched.c index 25cd53a..6664e32 100644 --- a/gcc/modulo-sched.c +++ b/gcc/modulo-sched.c @@ -426,7 +426,7 @@ calculate_maxii (ddg_ptr g) ii { 1 if not. */ static struct undo_replace_buff_elem * -generate_reg_moves (partial_schedule_ptr ps) +generate_reg_moves (partial_schedule_ptr ps, bool rescan) { ddg_ptr g = ps->g; int ii = ps->ii; @@ -523,6 +523,8 @@ generate_reg_moves (partial_schedule_ptr ps) } replace_rtx (g->nodes[i_use].insn, old_reg, new_reg); + if (rescan) + df_insn_rescan (g->nodes[i_use].insn); } prev_reg = new_reg; @@ -1151,7 +1153,7 @@ sms_schedule (void) /* Generate the kernel just to be able to measure its cycles. */ permute_partial_schedule (ps, g->closing_branch->first_note); - reg_move_replaces = generate_reg_moves (ps); + reg_move_replaces = generate_reg_moves (ps, false); /* Get the number of cycles the new kernel expect to execute in. */ new_cycles = kernel_number_of_cycles (BB_HEAD (g->bb), BB_END (g->bb)); @@ -1201,7 +1203,7 @@ sms_schedule (void) /* The life-info is not valid any more. */ df_set_bb_dirty (g->bb); - reg_move_replaces = generate_reg_moves (ps); + reg_move_replaces = generate_reg_moves (ps, true); if (dump_file) print_node_sched_params (dump_file, g->num_nodes); /* Generate prolog and epilog. */ @@ -2481,8 +2483,8 @@ rest_of_handle_sms (void) FOR_EACH_BB (bb) if (bb->next_bb != EXIT_BLOCK_PTR) bb->aux = bb->next_bb; - cfg_layout_finalize (); free_dominance_info (CDI_DOMINATORS); + cfg_layout_finalize (); #endif /* INSN_SCHEDULING */ return 0; } |