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Diffstat (limited to 'gcc-4.9/gcc/dce.c')
| -rw-r--r-- | gcc-4.9/gcc/dce.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/dce.c b/gcc-4.9/gcc/dce.c index 07592f46a..1d8b66715 100644 --- a/gcc-4.9/gcc/dce.c +++ b/gcc-4.9/gcc/dce.c @@ -755,6 +755,9 @@ rest_of_handle_ud_dce (void) { rtx insn; + if (df_check_ud_du_memory_usage ()) + return 0; + init_dce (false); prescan_insns_for_dce (false); |