diff options
Diffstat (limited to 'gcc/regmove.c')
| -rw-r--r-- | gcc/regmove.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/gcc/regmove.c b/gcc/regmove.c index 7b0b74a..8b047ea 100644 --- a/gcc/regmove.c +++ b/gcc/regmove.c @@ -1099,10 +1099,10 @@ regmove_optimize (f, nregs, regmove_dump_file) can supress some optimizations in those zones. */ mark_flags_life_zones (discover_flags_reg ()); - regno_src_regno = (int *)alloca (sizeof *regno_src_regno * nregs); + regno_src_regno = (int *) xmalloc (sizeof *regno_src_regno * nregs); for (i = nregs; --i >= 0; ) regno_src_regno[i] = -1; - regmove_bb_head = (int *)alloca (sizeof (int) * (old_max_uid + 1)); + regmove_bb_head = (int *) xmalloc (sizeof (int) * (old_max_uid + 1)); for (i = old_max_uid; i >= 0; i--) regmove_bb_head[i] = -1; for (i = 0; i < n_basic_blocks; i++) regmove_bb_head[INSN_UID (BLOCK_HEAD (i))] = i; @@ -1114,7 +1114,7 @@ regmove_optimize (f, nregs, regmove_dump_file) for (pass = 0; pass <= 2; pass++) { if (! flag_regmove && pass >= flag_expensive_optimizations) - return; + goto done; if (regmove_dump_file) fprintf (regmove_dump_file, "Starting %s pass...\n", @@ -1574,6 +1574,11 @@ regmove_optimize (f, nregs, regmove_dump_file) new = next, next = NEXT_INSN (new); BLOCK_END (i) = new; } + + done: + /* Clean up. */ + free (regno_src_regno); + free (regmove_bb_head); } /* Returns nonzero if INSN's pattern has matching constraints for any operand. |