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author | Ben Elliston <bje@au.ibm.com> | 2009-10-26 21:57:10 +0000 |
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committer | Ulrich Weigand <uweigand@gcc.gnu.org> | 2009-10-26 21:57:10 +0000 |
commit | d4ebfa65c962f1f0b50223e34184dc5a81d907c6 (patch) | |
tree | 0b006fa60cd37b4bd974ed32a7adc7f005e9eb0b /gcc/target.h | |
parent | 09e881c9e21a9209b2092e400ea4c38948614f78 (diff) | |
download | gcc-d4ebfa65c962f1f0b50223e34184dc5a81d907c6.zip gcc-d4ebfa65c962f1f0b50223e34184dc5a81d907c6.tar.gz gcc-d4ebfa65c962f1f0b50223e34184dc5a81d907c6.tar.bz2 |
tm.texi (TARGET_ADDR_SPACE_POINTER_MODE): Document.
2009-10-26 Ben Elliston <bje@au.ibm.com>
Michael Meissner <meissner@linux.vnet.ibm.com>
Ulrich Weigand <uweigand@de.ibm.com>
* doc/tm.texi (TARGET_ADDR_SPACE_POINTER_MODE): Document.
(TARGET_ADDR_SPACE_ADDRESS_MODE): Likewise.
(TARGET_ADDR_SPACE_VALID_POINTER_MODE): Likewise.
* target.h (struct target_def): Add pointer_mode, address_mode,
and valid_pointer_mode to addr_space substructure.
* target-def.h (TARGET_ADDR_SPACE_POINTER_MODE): Define.
(TARGET_ADDR_SPACE_ADDRESS_MODE): Likewise.
(TARGET_ADDR_SPACE_VALID_POINTER_MODE): Likewise.
(TARGET_ADDR_SPACE_HOOKS): Add them.
* targhooks.c (target_default_pointer_address_modes_p): New function.
* target.h (target_default_pointer_address_modes_p): Add prototype.
* targhooks.c (default_addr_space_pointer_mode): New function.
(default_addr_space_address_mode): Likewise.
(default_addr_space_valid_pointer_mode): Likewise.
* targhooks.h (default_addr_space_pointer_mode): Add prototype.
(default_addr_space_address_mode): Likewise.
(default_addr_space_valid_pointer_mode): Likewise.
* output.h (default_valid_pointer_mode): Move to ...
* targhooks.h (default_valid_pointer_mode): ... here.
* varasm.c (default_valid_pointer_mode): Move to ...
* targhooks.c (default_valid_pointer_mode): ... here.
* varasm.c (output_constant): Use targetm.addr_space.valid_pointer_mode
instead of targetm.valid_pointer_mode.
* fold-const.c (fit_double_type): Use int_or_pointer_precision.
* tree.c (integer_pow2p): Likewise.
(tree_log2): Likewise.
(tree_floor_log2): Likewise.
(signed_or_unsigned_type_for): Support pointer type of different size.
(int_or_pointer_precision): New function.
* tree.h (int_or_pointer_precision): Add prototype.
* stor-layout.c (layout_type): Set TYPE_PRECISION for offset types.
* varasm.c (initializer_constant_valid_p): Use TYPE_PRECISION of
incoming pointer type instead of POINTER_SIZE.
* tree.c (build_pointer_type): Use appropriate pointer mode
instead of ptr_mode.
(build_reference_type): Likewise.
* expr.c (store_expr): Likewise.
(expand_expr_addr_expr): Likewise.
* tree-vect-data-refs.c (vect_create_data_ref_ptr): Likewise.
* cfgexpand.c (expand_debug_expr): Likewise.
* auto-inc-dec.c: Include "target.h".
(try_merge): Use appropriate address mode instead of Pmode.
(find_inc): Likewise.
* combine.c (find_split_point): Likewise.
* cselib.c (cselib_record_sets): Likewise.
* dse.c (replace_inc_dec): Likewise.
(canon_address): Likewise.
* var-tracking.c (replace_expr_with_values): Likewise.
(count_uses): Likewise.
(add_uses): Likewise.
(add_stores): Likewise.
* emit-rtl.c: Include "target.h".
(adjust_address_1): Use appropriate address mode instead of Pmode.
(offset_address): Likewise.
* explow.c (break_out_memory_refs): Likewise.
(memory_address_addr_space): Likewise.
(promote_mode): Likewise.
* expr.c (move_by_pieces): Likewise.
(emit_block_move_via_loop): Likewise.
(store_by_pieces): Likewise.
(store_by_pieces_1): Likewise.
(expand_assignment): Likewise.
(store_constructor): Likewise.
(expand_expr_addr_expr): Likewise.
(expand_expr_real_1): Likewise.
* cfgexpand.c (expand_debug_expr): Likewise.
* ifcvt.c (noce_try_cmove_arith): Likewise.
* regcprop.c (kill_autoinc_value): Likewise.
* regmove.c (try_auto_increment): Likewise.
* reload.c (find_reloads): Likewise.
(find_reloads_address): Likewise.
(find_reloads_address_1): Likewise.
* sched-deps.c: Include "target.h".
(sched_analyze_1): Use appropriate address mode instead of Pmode.
(sched_analyze_2): Likewise.
* sel-sched-dump.c: Include "target.h".
(debug_mem_addr_value): Use appropriate address mode instead of Pmode.
* stor-layout.c (layout_type): Likewise.
* tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
(multiplier_allowed_in_address_p): Likewise.
(get_address_cost): Likewise.
* varasm.c (make_decl_rtl): Likewise.
* expr.c (expand_assignment): Always convert offsets to appropriate
address mode.
(store_expr): Likewise.
(store_constructor): Likewise.
(expand_expr_real_1): Likewise.
* reload.h (form_sum): Add MODE argument.
* reload.c (form_sum): Add MODE argument, use it instead of Pmode.
Update recursive calls.
(subst_indexed_address): Update calls to form_sum.
* tree-flow.h (addr_for_mem_ref): Add ADDRSPACE argument.
* tree-ssa-address.c: Include "target.h".
(templates): Replace by ...
(mem_addr_template_list): ... this new vector.
(TEMPL_IDX): Handle address space numbers.
(gen_addr_rtx): Add address mode argument, use it instead of Pmode.
(addr_for_mem_ref): Add ADDRSPACE argument. Use per-address-space
instead of global cache. Update call to gen_addr_rtx.
(valid_mem_ref_p): Update call to addr_for_mem_ref.
* expr.c (expand_expr_real_1): Update call to addr_for_mem_ref.
* rtl.h (convert_memory_address_addr_space): Add prototype.
(convert_memory_address): Define as macro.
* explow.c (convert_memory_address): Rename to ...
(convert_memory_address_addr_space): ... this. Add ADDRSPACE argument.
Use appropriate pointer and address modes instead of ptr_mode / Pmode.
Update recursive calls.
(memory_address_addr_space): Call convert_memory_address_addr_space.
* expmed.c (make_tree): Likewise.
* expr.c (expand_assignment): Likewise.
(expand_expr_addr_expr_1): Likewise. Also, add ADDRSPACE argument.
(expand_expr_addr_expr): Likewise. Also, update call.
* alias.c (find_base_value): Guard pointer size optimizations.
(find_base_term): Likewise.
* rtlanal.c (nonzero_bits1): Likewise.
(num_sign_bit_copies1): Likewise.
* simplify-rtx.c (simplify_unary_operation_1): Likewise.
* Makefile.in (tree-ssa-address.o): Add $(TARGET_H) dependency.
(emit-rtl.o): Likewise.
(auto-inc-dec.o): Likewise.
(sched-deps.o): Likewise.
Co-Authored-By: Michael Meissner <meissner@linux.vnet.ibm.com>
Co-Authored-By: Ulrich Weigand <uweigand@de.ibm.com>
From-SVN: r153573
Diffstat (limited to 'gcc/target.h')
-rw-r--r-- | gcc/target.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/gcc/target.h b/gcc/target.h index 5b296d5..a243bcd 100644 --- a/gcc/target.h +++ b/gcc/target.h @@ -68,6 +68,12 @@ typedef int (* print_switch_fn_type) (print_switch_type, const char *); /* An example implementation for ELF targets. Defined in varasm.c */ extern int elf_record_gcc_switches (print_switch_type type, const char *); +/* Some places still assume that all pointer or address modes are the + standard Pmode and ptr_mode. These optimizations become invalid if + the target actually supports multiple different modes. For now, + we disable such optimizations on such targets, using this function. */ +extern bool target_default_pointer_address_modes_p (void); + struct stdarg_info; struct spec_info_def; @@ -696,6 +702,16 @@ struct gcc_target /* Support for named address spaces. */ struct addr_space { + /* MODE to use for a pointer into another address space. */ + enum machine_mode (* pointer_mode) (addr_space_t); + + /* MODE to use for an address in another address space. */ + enum machine_mode (* address_mode) (addr_space_t); + + /* True if MODE is valid for a pointer in __attribute__((mode("MODE"))) + in another address space. */ + bool (* valid_pointer_mode) (enum machine_mode, addr_space_t); + /* True if an address is a valid memory address to a given named address space for a given mode. */ bool (* legitimate_address_p) (enum machine_mode, rtx, bool, addr_space_t); |