diff options
Diffstat (limited to 'gcc/unroll.c')
| -rw-r--r-- | gcc/unroll.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/unroll.c b/gcc/unroll.c index 32ed531..e119352 100644 --- a/gcc/unroll.c +++ b/gcc/unroll.c @@ -3820,6 +3820,12 @@ loop_iterations (loop_start, loop_end, loop_info) loop_info->initial_equiv_value = initial_value; loop_info->final_equiv_value = final_value; + /* For EQ comparison loops, we don't have a valid final value. + Check this now so that we won't leave an invalid value if we + return early for any other reason. */ + if (comparison_code == EQ) + loop_info->final_equiv_value = loop_info->final_value = 0; + if (increment == 0) { if (loop_dump_stream) |