diff options
Diffstat (limited to 'gcc/params.opt')
| -rw-r--r-- | gcc/params.opt | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/gcc/params.opt b/gcc/params.opt index ef19051..ac1b2c7 100644 --- a/gcc/params.opt +++ b/gcc/params.opt @@ -1177,7 +1177,7 @@ Common Joined UInteger Var(param_uninit_control_dep_attempts) Init(1000) Integer Maximum number of nested calls to search for control dependencies during uninitialized variable analysis. -param=uninit-max-chain-len= -Common Joined UInteger Var(param_uninit_max_chain_len) Init(8) IntegerRange(1, 128) Param Optimization +Common Joined UInteger Var(param_uninit_max_chain_len) Init(12) IntegerRange(1, 128) Param Optimization Maximum number of predicates anded for each predicate ored in the normalized predicate chain. @@ -1185,6 +1185,10 @@ predicate chain. Common Joined UInteger Var(param_uninit_max_num_chains) Init(8) IntegerRange(1, 128) Param Optimization Maximum number of predicates ored in the normalized predicate chain. +-param=uninit-max-prune-work= +Common Joined UInteger Var(param_uninit_max_prune_work) Init(100000) Param Optimization +Maximum amount of work done to prune paths where the variable is always initialized. + -param=uninlined-function-insns= Common Joined UInteger Var(param_uninlined_function_insns) Init(2) Optimization IntegerRange(0, 1000000) Param Instruction accounted for function prologue, epilogue and other overhead. @@ -1222,7 +1226,7 @@ Common Joined UInteger Var(param_use_canonical_types) Init(1) IntegerRange(0, 1) Whether to use canonical types. -param=vect-epilogues-nomask= -Common Joined UInteger Var(param_vect_epilogues_nomask) Init(1) IntegerRange(0, 1) Param Optimization +Common Joined UInteger Var(param_vect_epilogues_nomask) Init(1) IntegerRange(0, 1) Param Optimization NoOffload Enable loop epilogue vectorization using smaller vector size. -param=vect-max-layout-candidates= @@ -1242,20 +1246,20 @@ Common Joined UInteger Var(param_vect_max_version_for_alignment_checks) Init(6) Bound on number of runtime checks inserted by the vectorizer's loop versioning for alignment check. -param=vect-partial-vector-usage= -Common Joined UInteger Var(param_vect_partial_vector_usage) Init(2) IntegerRange(0, 2) Param Optimization +Common Joined UInteger Var(param_vect_partial_vector_usage) Init(2) IntegerRange(0, 2) Param Optimization NoOffload Controls how loop vectorizer uses partial vectors. 0 means never, 1 means only for loops whose need to iterate can be removed, 2 means for all loops. The default value is 2. -param=vect-inner-loop-cost-factor= -Common Joined UInteger Var(param_vect_inner_loop_cost_factor) Init(50) IntegerRange(1, 10000) Param Optimization +Common Joined UInteger Var(param_vect_inner_loop_cost_factor) Init(50) IntegerRange(1, 10000) Param Optimization NoOffload The maximum factor which the loop vectorizer applies to the cost of statements in an inner loop relative to the loop being vectorized. -param=vect-induction-float= Common Joined UInteger Var(param_vect_induction_float) Init(1) IntegerRange(0, 1) Param Optimization Enable loop vectorization of floating point inductions. --param=vect-force-slp= -Common Joined UInteger Var(param_vect_force_slp) Init(1) IntegerRange(0, 1) Param Optimization -Force the use of SLP when vectorizing, fail if not possible. +-param=vect-scalar-cost-multiplier= +Common Joined UInteger Var(param_vect_scalar_cost_multiplier) Init(100) IntegerRange(0, 10000) Param Optimization +The scaling multiplier as a percentage to apply to all scalar loop costing when performing vectorization profitability analysis. The default value is 100. -param=vrp-block-limit= Common Joined UInteger Var(param_vrp_block_limit) Init(150000) Optimization Param |