diff options
Diffstat (limited to 'gcc/gimple-ssa-strength-reduction.c')
| -rw-r--r-- | gcc/gimple-ssa-strength-reduction.c | 35 |
1 files changed, 19 insertions, 16 deletions
diff --git a/gcc/gimple-ssa-strength-reduction.c b/gcc/gimple-ssa-strength-reduction.c index 1a4187423d5..e719129df24 100644 --- a/gcc/gimple-ssa-strength-reduction.c +++ b/gcc/gimple-ssa-strength-reduction.c @@ -753,7 +753,7 @@ add_cand_for_stmt (gimple gs, slsr_cand_t c) is used to help find a basis for subsequent candidates. */ static void -slsr_process_phi (gimple phi, bool speed) +slsr_process_phi (gphi *phi, bool speed) { unsigned i; tree arg0_base = NULL_TREE, base_type; @@ -1678,12 +1678,13 @@ void find_candidates_dom_walker::before_dom_children (basic_block bb) { bool speed = optimize_bb_for_speed_p (bb); - gimple_stmt_iterator gsi; - for (gsi = gsi_start_phis (bb); !gsi_end_p (gsi); gsi_next (&gsi)) - slsr_process_phi (gsi_stmt (gsi), speed); + for (gphi_iterator gsi = gsi_start_phis (bb); !gsi_end_p (gsi); + gsi_next (&gsi)) + slsr_process_phi (gsi.phi (), speed); - for (gsi = gsi_start_bb (bb); !gsi_end_p (gsi); gsi_next (&gsi)) + for (gimple_stmt_iterator gsi = gsi_start_bb (bb); !gsi_end_p (gsi); + gsi_next (&gsi)) { gimple gs = gsi_stmt (gsi); @@ -2063,7 +2064,7 @@ replace_mult_candidate (slsr_cand_t c, tree basis_name, widest_int bump) if (bump == 0) { tree lhs = gimple_assign_lhs (c->cand_stmt); - gimple copy_stmt = gimple_build_assign (lhs, basis_name); + gassign *copy_stmt = gimple_build_assign (lhs, basis_name); gimple_stmt_iterator gsi = gsi_for_stmt (c->cand_stmt); gimple_set_location (copy_stmt, gimple_location (c->cand_stmt)); gsi_replace (&gsi, copy_stmt, false); @@ -2162,7 +2163,7 @@ create_add_on_incoming_edge (slsr_cand_t c, tree basis_name, basic_block insert_bb; gimple_stmt_iterator gsi; tree lhs, basis_type; - gimple new_stmt; + gassign *new_stmt; /* If the add candidate along this incoming edge has the same index as C's hidden basis, the hidden basis represents this @@ -2246,7 +2247,7 @@ create_phi_basis (slsr_cand_t c, gimple from_phi, tree basis_name, { int i; tree name, phi_arg; - gimple phi; + gphi *phi; vec<tree> phi_args; slsr_cand_t basis = lookup_cand (c->basis); int nargs = gimple_phi_num_args (from_phi); @@ -2981,7 +2982,7 @@ ncd_for_two_cands (basic_block bb1, basic_block bb2, candidates, return the earliest candidate in the block in *WHERE. */ static basic_block -ncd_with_phi (slsr_cand_t c, const widest_int &incr, gimple phi, +ncd_with_phi (slsr_cand_t c, const widest_int &incr, gphi *phi, basic_block ncd, slsr_cand_t *where) { unsigned i; @@ -2997,7 +2998,8 @@ ncd_with_phi (slsr_cand_t c, const widest_int &incr, gimple phi, gimple arg_def = SSA_NAME_DEF_STMT (arg); if (gimple_code (arg_def) == GIMPLE_PHI) - ncd = ncd_with_phi (c, incr, arg_def, ncd, where); + ncd = ncd_with_phi (c, incr, as_a <gphi *> (arg_def), ncd, + where); else { slsr_cand_t arg_cand = base_cand_from_table (arg); @@ -3031,7 +3033,8 @@ ncd_of_cand_and_phis (slsr_cand_t c, const widest_int &incr, slsr_cand_t *where) } if (phi_dependent_cand_p (c)) - ncd = ncd_with_phi (c, incr, lookup_cand (c->def_phi)->cand_stmt, + ncd = ncd_with_phi (c, incr, + as_a <gphi *> (lookup_cand (c->def_phi)->cand_stmt), ncd, where); return ncd; @@ -3119,7 +3122,7 @@ insert_initializers (slsr_cand_t c) { basic_block bb; slsr_cand_t where = NULL; - gimple init_stmt; + gassign *init_stmt; tree stride_type, new_name, incr_tree; widest_int incr = incr_vec[i].incr; @@ -3257,7 +3260,7 @@ static tree introduce_cast_before_cand (slsr_cand_t c, tree to_type, tree from_expr) { tree cast_lhs; - gimple cast_stmt; + gassign *cast_stmt; gimple_stmt_iterator gsi = gsi_for_stmt (c->cand_stmt); cast_lhs = make_temp_ssa_name (to_type, NULL, "slsr"); @@ -3418,7 +3421,7 @@ replace_one_candidate (slsr_cand_t c, unsigned i, tree basis_name) if (types_compatible_p (lhs_type, basis_type)) { - gimple copy_stmt = gimple_build_assign (lhs, basis_name); + gassign *copy_stmt = gimple_build_assign (lhs, basis_name); gimple_stmt_iterator gsi = gsi_for_stmt (c->cand_stmt); gimple_set_location (copy_stmt, gimple_location (c->cand_stmt)); gsi_replace (&gsi, copy_stmt, false); @@ -3430,8 +3433,8 @@ replace_one_candidate (slsr_cand_t c, unsigned i, tree basis_name) else { gimple_stmt_iterator gsi = gsi_for_stmt (c->cand_stmt); - gimple cast_stmt = gimple_build_assign_with_ops (NOP_EXPR, lhs, - basis_name); + gassign *cast_stmt = gimple_build_assign_with_ops (NOP_EXPR, lhs, + basis_name); gimple_set_location (cast_stmt, gimple_location (c->cand_stmt)); gsi_replace (&gsi, cast_stmt, false); c->cand_stmt = cast_stmt; |