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Diffstat (limited to 'gcc/params.def')
| -rw-r--r-- | gcc/params.def | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/gcc/params.def b/gcc/params.def index 331e0523d2d..845b8d2c51b 100644 --- a/gcc/params.def +++ b/gcc/params.def @@ -325,6 +325,23 @@ DEFPARAM(PARAM_LIM_EXPENSIVE, "The minimum cost of an expensive expression in the loop invariant motion", 20) +/* Bound on number of candidates for induction variables below that + all candidates are considered for each use in induction variable + optimizations. */ + +DEFPARAM(PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND, + "iv-consider-all-candidates-bound", + "Bound on number of candidates below that all candidates are considered in iv optimizations", + 30) + +/* The induction variable optimizations give up on loops that contain more + induction variable uses. */ + +DEFPARAM(PARAM_IV_MAX_CONSIDERED_USES, + "iv-max-considered-uses", + "Bound on number of iv uses in loop optimized in iv optimizations", + 250) + /* The product of the next two is used to decide whether or not to use .GLOBAL_VAR. See tree-dfa.c. */ DEFPARAM(PARAM_GLOBAL_VAR_THRESHOLD, |