diff options
Diffstat (limited to 'gcc/gimple-ssa-strength-reduction.c')
| -rw-r--r-- | gcc/gimple-ssa-strength-reduction.c | 22 |
1 files changed, 6 insertions, 16 deletions
diff --git a/gcc/gimple-ssa-strength-reduction.c b/gcc/gimple-ssa-strength-reduction.c index c7ec1e9b0a8..afeb70fdeb0 100644 --- a/gcc/gimple-ssa-strength-reduction.c +++ b/gcc/gimple-ssa-strength-reduction.c @@ -54,6 +54,7 @@ along with GCC; see the file COPYING3. If not see #include "tree-flow.h" #include "domwalk.h" #include "pointer-set.h" +#include "expmed.h" /* Information about a strength reduction candidate. Each statement in the candidate table represents an expression of one of the @@ -340,29 +341,22 @@ stmt_cost (gimple gs, bool speed) rhs2 = gimple_assign_rhs2 (gs); if (host_integerp (rhs2, 0)) - return multiply_by_const_cost (TREE_INT_CST_LOW (rhs2), lhs_mode, - speed); + return mult_by_coeff_cost (TREE_INT_CST_LOW (rhs2), lhs_mode, speed); gcc_assert (TREE_CODE (rhs1) != INTEGER_CST); - return multiply_regs_cost (TYPE_MODE (TREE_TYPE (lhs)), speed); + return mul_cost[speed][lhs_mode]; case PLUS_EXPR: case POINTER_PLUS_EXPR: case MINUS_EXPR: rhs2 = gimple_assign_rhs2 (gs); - - if (host_integerp (rhs2, 0)) - return add_const_cost (TYPE_MODE (TREE_TYPE (rhs1)), speed); - - gcc_assert (TREE_CODE (rhs1) != INTEGER_CST); - return add_regs_cost (lhs_mode, speed); + return add_cost[speed][lhs_mode]; case NEGATE_EXPR: - return negate_reg_cost (lhs_mode, speed); + return neg_cost[speed][lhs_mode]; case NOP_EXPR: - return extend_or_trunc_reg_cost (TREE_TYPE (lhs), TREE_TYPE (rhs1), - speed); + return convert_cost (lhs_mode, TYPE_MODE (TREE_TYPE (rhs1)), speed); /* Note that we don't assign costs to copies that in most cases will go away. */ @@ -1460,9 +1454,6 @@ execute_strength_reduction (void) back edges, and this gives us dominator information as well. */ loop_optimizer_init (AVOID_CFG_MODIFICATIONS); - /* Initialize costs tables in IVOPTS. */ - initialize_costs (); - /* Set up callbacks for the generic dominator tree walker. */ walk_data.dom_direction = CDI_DOMINATORS; walk_data.initialize_block_local_data = NULL; @@ -1493,7 +1484,6 @@ execute_strength_reduction (void) pointer_map_destroy (stmt_cand_map); VEC_free (slsr_cand_t, heap, cand_vec); obstack_free (&cand_obstack, NULL); - finalize_costs (); return 0; } |