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author | rsandifo <rsandifo@138bc75d-0d04-0410-961f-82ee72b054a4> | 2018-01-03 21:42:52 +0000 |
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committer | rsandifo <rsandifo@138bc75d-0d04-0410-961f-82ee72b054a4> | 2018-01-03 21:42:52 +0000 |
commit | 52acb7aee19f4bb33e76819907eff343bf4f42e8 (patch) | |
tree | b7e4116030d6ae86efa3903e434e630d01cecc46 /gcc/lower-subreg.c | |
parent | eafbcd13c43fa640adc6e14bb109b2aae586fd48 (diff) | |
download | gcc-52acb7aee19f4bb33e76819907eff343bf4f42e8.tar.gz |
poly_int: GET_MODE_SIZE
This patch changes GET_MODE_SIZE from unsigned short to poly_uint16.
The non-mechanical parts were handled by previous patches.
2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
gcc/
* machmode.h (mode_size): Change from unsigned short to
poly_uint16_pod.
(mode_to_bytes): Return a poly_uint16 rather than an unsigned short.
(GET_MODE_SIZE): Return a constant if ONLY_FIXED_SIZE_MODES,
or if measurement_type is not polynomial.
(fixed_size_mode::includes_p): Check for constant-sized modes.
* genmodes.c (emit_mode_size_inline): Make mode_size_inline
return a poly_uint16 rather than an unsigned short.
(emit_mode_size): Change the type of mode_size from unsigned short
to poly_uint16_pod. Use ZERO_COEFFS for the initializer.
(emit_mode_adjustments): Cope with polynomial vector sizes.
* lto-streamer-in.c (lto_input_mode_table): Use bp_unpack_poly_value
for GET_MODE_SIZE.
* lto-streamer-out.c (lto_write_mode_table): Use bp_pack_poly_value
for GET_MODE_SIZE.
* auto-inc-dec.c (try_merge): Treat GET_MODE_SIZE as polynomial.
* builtins.c (expand_ifn_atomic_compare_exchange_into_call): Likewise.
* caller-save.c (setup_save_areas): Likewise.
(replace_reg_with_saved_mem): Likewise.
* calls.c (emit_library_call_value_1): Likewise.
* combine-stack-adj.c (combine_stack_adjustments_for_block): Likewise.
* combine.c (simplify_set, make_extraction, simplify_shift_const_1)
(gen_lowpart_for_combine): Likewise.
* convert.c (convert_to_integer_1): Likewise.
* cse.c (equiv_constant, cse_insn): Likewise.
* cselib.c (autoinc_split, cselib_hash_rtx): Likewise.
(cselib_subst_to_values): Likewise.
* dce.c (word_dce_process_block): Likewise.
* df-problems.c (df_word_lr_mark_ref): Likewise.
* dwarf2cfi.c (init_one_dwarf_reg_size): Likewise.
* dwarf2out.c (multiple_reg_loc_descriptor, mem_loc_descriptor)
(concat_loc_descriptor, concatn_loc_descriptor, loc_descriptor)
(rtl_for_decl_location): Likewise.
* emit-rtl.c (gen_highpart, widen_memory_access): Likewise.
* expmed.c (extract_bit_field_1, extract_integral_bit_field): Likewise.
* expr.c (emit_group_load_1, clear_storage_hints): Likewise.
(emit_move_complex, emit_move_multi_word, emit_push_insn): Likewise.
(expand_expr_real_1): Likewise.
* function.c (assign_parm_setup_block_p, assign_parm_setup_block)
(pad_below): Likewise.
* gimple-fold.c (optimize_atomic_compare_exchange_p): Likewise.
* gimple-ssa-store-merging.c (rhs_valid_for_store_merging_p): Likewise.
* ira.c (get_subreg_tracking_sizes): Likewise.
* ira-build.c (ira_create_allocno_objects): Likewise.
* ira-color.c (coalesced_pseudo_reg_slot_compare): Likewise.
(ira_sort_regnos_for_alter_reg): Likewise.
* ira-costs.c (record_operand_costs): Likewise.
* lower-subreg.c (interesting_mode_p, simplify_gen_subreg_concatn)
(resolve_simple_move): Likewise.
* lra-constraints.c (get_reload_reg, operands_match_p): Likewise.
(process_addr_reg, simplify_operand_subreg, curr_insn_transform)
(lra_constraints): Likewise.
(CONST_POOL_OK_P): Reject variable-sized modes.
* lra-spills.c (slot, assign_mem_slot, pseudo_reg_slot_compare)
(add_pseudo_to_slot, lra_spill): Likewise.
* omp-low.c (omp_clause_aligned_alignment): Likewise.
* optabs-query.c (get_best_extraction_insn): Likewise.
* optabs-tree.c (expand_vec_cond_expr_p): Likewise.
* optabs.c (expand_vec_perm_var, expand_vec_cond_expr): Likewise.
(expand_mult_highpart, valid_multiword_target_p): Likewise.
* recog.c (offsettable_address_addr_space_p): Likewise.
* regcprop.c (maybe_mode_change): Likewise.
* reginfo.c (choose_hard_reg_mode, record_subregs_of_mode): Likewise.
* regrename.c (build_def_use): Likewise.
* regstat.c (dump_reg_info): Likewise.
* reload.c (complex_word_subreg_p, push_reload, find_dummy_reload)
(find_reloads, find_reloads_subreg_address): Likewise.
* reload1.c (eliminate_regs_1): Likewise.
* rtlanal.c (for_each_inc_dec_find_inc_dec, rtx_cost): Likewise.
* simplify-rtx.c (avoid_constant_pool_reference): Likewise.
(simplify_binary_operation_1, simplify_subreg): Likewise.
* targhooks.c (default_function_arg_padding): Likewise.
(default_hard_regno_nregs, default_class_max_nregs): Likewise.
* tree-cfg.c (verify_gimple_assign_binary): Likewise.
(verify_gimple_assign_ternary): Likewise.
* tree-inline.c (estimate_move_cost): Likewise.
* tree-ssa-forwprop.c (simplify_vector_constructor): Likewise.
* tree-ssa-loop-ivopts.c (add_autoinc_candidates): Likewise.
(get_address_cost_ainc): Likewise.
* tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
(vect_supportable_dr_alignment): Likewise.
* tree-vect-loop.c (vect_determine_vectorization_factor): Likewise.
(vectorizable_reduction): Likewise.
* tree-vect-stmts.c (vectorizable_assignment, vectorizable_shift)
(vectorizable_operation, vectorizable_load): Likewise.
* tree.c (build_same_sized_truth_vector_type): Likewise.
* valtrack.c (cleanup_auto_inc_dec): Likewise.
* var-tracking.c (emit_note_insn_var_location): Likewise.
* config/arc/arc.h (ASM_OUTPUT_CASE_END): Use as_a <scalar_int_mode>.
(ADDR_VEC_ALIGN): Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@256201 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/lower-subreg.c')
-rw-r--r-- | gcc/lower-subreg.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/gcc/lower-subreg.c b/gcc/lower-subreg.c index 6666b7432bc..32e70dcbd12 100644 --- a/gcc/lower-subreg.c +++ b/gcc/lower-subreg.c @@ -110,7 +110,8 @@ static inline bool interesting_mode_p (machine_mode mode, unsigned int *bytes, unsigned int *words) { - *bytes = GET_MODE_SIZE (mode); + if (!GET_MODE_SIZE (mode).is_constant (bytes)) + return false; *words = CEIL (*bytes, UNITS_PER_WORD); return true; } @@ -667,8 +668,8 @@ simplify_gen_subreg_concatn (machine_mode outermode, rtx op, { rtx op2; - if ((GET_MODE_SIZE (GET_MODE (op)) - == GET_MODE_SIZE (GET_MODE (SUBREG_REG (op)))) + if (known_eq (GET_MODE_SIZE (GET_MODE (op)), + GET_MODE_SIZE (GET_MODE (SUBREG_REG (op)))) && known_eq (SUBREG_BYTE (op), 0)) return simplify_gen_subreg_concatn (outermode, SUBREG_REG (op), GET_MODE (SUBREG_REG (op)), byte); @@ -869,8 +870,7 @@ resolve_simple_move (rtx set, rtx_insn *insn) if (GET_CODE (src) == SUBREG && resolve_reg_p (SUBREG_REG (src)) && (maybe_ne (SUBREG_BYTE (src), 0) - || (GET_MODE_SIZE (orig_mode) - != GET_MODE_SIZE (GET_MODE (SUBREG_REG (src)))))) + || maybe_ne (orig_size, GET_MODE_SIZE (GET_MODE (SUBREG_REG (src)))))) { real_dest = dest; dest = gen_reg_rtx (orig_mode); @@ -884,8 +884,8 @@ resolve_simple_move (rtx set, rtx_insn *insn) if (GET_CODE (dest) == SUBREG && resolve_reg_p (SUBREG_REG (dest)) && (maybe_ne (SUBREG_BYTE (dest), 0) - || (GET_MODE_SIZE (orig_mode) - != GET_MODE_SIZE (GET_MODE (SUBREG_REG (dest)))))) + || maybe_ne (orig_size, + GET_MODE_SIZE (GET_MODE (SUBREG_REG (dest)))))) { rtx reg, smove; rtx_insn *minsn; |