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Diffstat (limited to 'gcc/tree-ssa-loop-ivcanon.c')
-rw-r--r-- | gcc/tree-ssa-loop-ivcanon.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/tree-ssa-loop-ivcanon.c b/gcc/tree-ssa-loop-ivcanon.c index df48dfd2bc8..e9841f5006f 100644 --- a/gcc/tree-ssa-loop-ivcanon.c +++ b/gcc/tree-ssa-loop-ivcanon.c @@ -522,6 +522,7 @@ tree_unroll_loops_completely (bool may_increase_size, bool unroll_outer) struct loop *loop; bool changed; enum unroll_level ul; + int iteration = 0; do { @@ -554,7 +555,8 @@ tree_unroll_loops_completely (bool may_increase_size, bool unroll_outer) scev_reset (); } } - while (changed); + while (changed + && ++iteration <= PARAM_VALUE (PARAM_MAX_UNROLL_ITERATIONS)); return 0; } |