* cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
* emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
(copy_insn_1): Likewise. Don't copy each field individually.
Reindent.
* read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
of RTX_SIZE.
* reload1.c (eliminate_regs): Use shallow_copy_rtx.
* rtl.c (rtx_size): Rename variable to...
(rtx_code_size): ...this.
(rtx_size): New function.
(rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
(copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
Reindent.
(shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
* rtl.h (rtx_code_size): New variable.
(rtx_size): Change from a variable to a function.
(RTX_SIZE): Rename to...
(RTX_CODE_SIZE): ...this.
PR target/9703
PR tree-optimization/17106
* doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
(Anchored Addresses): New section.
* doc/invoke.texi (-fsection-anchors): Document.
* doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
(SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
(SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
* hooks.c (hook_bool_mode_rtx_false): New function.
* hooks.h (hook_bool_mode_rtx_false): Declare.
* gengtype.c (create_optional_field): New function.
(adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
SYMBOL_REF_IN_BLOCK_P is true.
* target.h (output_anchor, use_blocks_for_constant_p): New hooks.
(min_anchor_offset, max_anchor_offset): Likewise.
(use_anchors_for_symbol_p): New hook.
* toplev.c (compile_file): Call output_object_blocks.
(target_supports_section_anchors_p): New function.
(process_options): Check that -fsection-anchors is only used on
targets that support it and when -funit-at-a-time is in effect.
* tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
if the decl doesn't have one.
* dwarf2out.c: Remove instantiations of VEC(rtx,gc).
* expr.c (emit_move_multi_word, emit_move_insn): Pass the result
of force_const_mem through use_anchored_address.
(expand_expr_constant): New function.
(expand_expr_addr_expr_1): Call it. Use the same modifier when
calling expand_expr for INDIRECT_REF.
(expand_expr_real_1): Pass DECL_RTL through use_anchored_address
for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
* expr.h (use_anchored_address): Declare.
* loop-unroll.c: Don't declare rtx vectors here.
* explow.c: Include output.h.
(validize_mem): Call use_anchored_address.
(use_anchored_address): New function.
* common.opt (-fsection-anchors): New switch.
* varasm.c (object_block_htab, anchor_labelno): New variables.
(hash_section, object_block_entry_eq, object_block_entry_hash)
(use_object_blocks_p, get_block_for_section, create_block_symbol)
(use_blocks_for_decl_p, change_symbol_section): New functions.
(get_variable_section): New function, split out from assemble_variable.
(make_decl_rtl): Create a block symbol if use_object_blocks_p and
use_blocks_for_decl_p say so. Use change_symbol_section if the
symbol has already been created.
(assemble_variable_contents): New function, split out from...
(assemble_variable): ...here. Don't output any code for
block symbols; just pass them to place_block_symbol.
Use get_variable_section and assemble_variable_contents.
(get_constant_alignment, get_constant_section, get_constant_size): New
functions, split from output_constant_def_contents.
(build_constant_desc): Create a block symbol if use_object_blocks_p
says so. Or into SYMBOL_REF_FLAGS.
(assemble_constant_contents): New function, split from...
(output_constant_def_contents): ...here. Don't output any code
for block symbols; just pass them to place_section_symbol.
Use get_constant_section and get_constant_alignment.
(force_const_mem): Create a block symbol if use_object_blocks_p and
use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
(output_constant_pool_1): Add an explicit alignment argument.
Don't switch sections here.
(output_constant_pool): Adjust call to output_constant_pool_1.
Switch sections here instead. Don't output anything for block symbols;
just pass them to place_block_symbol.
(init_varasm_once): Initialize object_block_htab.
(default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
(default_asm_output_anchor, default_use_aenchors_for_symbol_p)
(place_block_symbol, get_section_anchor, output_object_block)
(output_object_block_htab, output_object_blocks): New functions.
* target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
(TARGET_ASM_OUT): Include it.
(TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
(TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
(TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
(TARGET_INITIALIZER): Include them.
* rtl.c (rtl_check_failed_block_symbol): New function.
* rtl.h: Include vec.h. Declare heap and gc rtx vectors.
(block_symbol, object_block): New structures.
(rtx_def): Add a block_symbol field to the union.
(BLOCK_SYMBOL_CHECK): New macro.
(rtl_check_failed_block_symbol): Declare.
(SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
(SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
(SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
(SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
* output.h (output_section_symbols): Declare.
(object_block): Name structure.
(place_section_symbol, get_section_anchor, default_asm_output_anchor)
(default_use_anchors_for_symbol_p): Declare.
* Makefile.in (RTL_BASE_H): Add vec.h.
(explow.o): Depend on output.h.
* config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
(TARGET_MAX_ANCHOR_OFFSET): Likewise.
(TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
(rs6000_use_blocks_for_constant_p): New function.
From-SVN: r111254
PR middle-end/25724
* dojump.c (do_jump): Call do_compare_rtx_and_jump.
(do_jump_parts_zero_rtx): New function renamed from
do_jump_parts_equality_rtx. Made static. Add a mode argument.
(do_jump_parts_equality_rtx): New function split out from
do_jump_parts_equality. Old implementation renamed as above.
Call do_jump_parts_zero_rtx if either operand is zero.
(do_jump_parts_equality): Call do_jump_parts_equality_rtx to
do all of the heavy lifting.
(do_compare_rtx_and_jump): Handle multi-word comparisons by
calling either do_jump_by_parts_greater_rtx or
do_jump_by_parts_equality_rtx.
* expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
* expmed.c (do_cmp_and_jump): Now multi-word optimization has
moved to do_compare_rtx_and_jump, call it directly.
* stmt.c (do_jump_if_equal): Remove static prototype. Add a
mode argument. Call do_compare_rtx_and_jump.
(emit_case_nodes): Update calls to do_jump_if_equal.
From-SVN: r110906
2006-01-30 Marcin Dalecki <martin@dalecki.de>
* expr.h (expand_normal): new inline function.
* builtins.c: use it, use EXPAND_NORMAL explicitely.
* dojump.c: use it.
* dwarf2out.c: use it.
* expr.c: use it.
* calls.c: use it.
* expmed.c: use it.
* except.c: use it.
* config/sparc/sparc.c: use it.
* config/i386/i386.c: use it.
* config/rs6000/rs6000.c: use it.
* config/arm/arm.c: use it.
* config/mips/mips.c: use it.
* stmt.c: use it, use EXPAND_NORMAL explicitely.
From-SVN: r110428
2005-07-14 Richard Guenther <rguenther@suse.de>
* Makefile.in (explow.o, reg-stack.o): Depend on target.h.
* calls.c (expand_call): Pass fntype to hard_function_value.
(emit_library_call_value_1): Likewise.
* explow.c: Include target.h.
(hard_function_value): Take extra argument, the fntype.
Use new target hook for function_value.
* expr.h (hard_function_value): Change prototype.
* function.c (aggregate_value_p): Pass 0 as fntype to
hard_function_value.
(assign_parms): Use new target hook for function_value.
Pass 0 as fntype to hard_function_value.
(expand_function_end): Likewise.
* reg-stack.c: Include target.h.
(stack_result): Use new target hook for function_value.
* target-def.h: New target hook function_value.
* target.h: Likewise.
* targhooks.c (default_function_value): New function.
* targhooks.h (default_function_value): Declare.
From-SVN: r102013
PR middle-end/21265
* expr.h (enum block_op_methods): Add BLOCK_OP_TAILCALL.
(clear_storage): Add argument.
* expr.c (emit_block_move_via_libcall, clear_storage_via_libcall):
Add tailcall argument, set CALL_EXPR_TAILCALL of the CALL_EXPR to
tailcall.
(emit_block_move): Handle BLOCK_OP_TAILCALL method.
(clear_storage): Add method argument, handle BLOCK_OP_TAILCALL.
(store_expr, store_constructor): Adjust callers.
* builtins.c (expand_builtin_memcpy): Pass BLOCK_OP_TAILCALL
to emit_block_move if CALL_EXPR_TAILCALL (exp).
(expand_builtin_memmove): Add ORIG_EXP argument, copy
CALL_EXPR_TAILCALL from ORIG_EXP to the new CALL_EXPR.
(expand_builtin_bcopy): Replace ARGLIST and TYPE arguments
with EXP. Pass EXP to expand_builtin_memmove.
(expand_builtin_memset): Add ORIG_EXP argument, pass
BLOCK_OP_TAILCALL to clear_storage if CALL_EXPR_TAILCALL (orig_exp).
(expand_builtin_bzero): Replace ARGLIST argument with EXP.
Pass EXP to expand_builtin_memset.
(expand_builtin_strcmp): Copy CALL_EXPR_TAILCALL from EXP to
the new CALL_EXPR.
(expand_builtin_strncmp): Likewise.
(expand_builtin_printf): Replace ARGLIST argument with EXP.
Copy CALL_EXPR_TAILCALL from EXP to the new CALL_EXPR.
(expand_builtin_fprintf): Likewise.
(expand_builtin): Adjust calls to
expand_builtin_{memmove,bcopy,memset,bzero,{,f}printf}.
* gcc.dg/20050503-1.c: New test.
From-SVN: r99187
PR target/18916
* builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
* expr.h (struct locate_and_pad_arg_data): Add "boundary".
* function.c (locate_and_pad_parm): Set new field.
(assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
Tweak where_pad test to include "none". Always set mem align for
stack_parm.
(assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
not sufficient for type.
(assign_parm_setup_block): If stack_parm is zero on entry, always
make a new stack local. Block move old stack parm if necessary
to new aligned stack local.
(assign_parm_setup_stack): Use a block move to handle
potentially misaligned entry_parm.
(assign_parms_unsplit_complex): Specify required alignment when
creating stack local.
* calls.c (compute_argument_addresses): Override alignment of stack
arg calculated from its type with the alignment given by
FUNCTION_ARG_BOUNDARY.
(store_one_arg): Likewise.
From-SVN: r93179
* alias.c (component_uses_parent_alias_set): Rename from
can_address_p. Return bool. Reverse the sense of the result.
Reinstate the check for alias set zero.
(get_alias_set): Update to match.
* alias.h (component_uses_parent_alias_set): Likewise.
* emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
* expr.c (expand_assignment): Likewise.
* expr.h: Remove commented out prototypes that were moved to alias.h.
From-SVN: r91712
* optabs.h (force_expand_binop): Declare.
* optabs.c (force_expand_binop): Export.
* stmt.c (shift_return_value): Delete.
(expand_return): Don't call it.
* expr.h (shift_return_value): Declare.
* calls.c (shift_returned_value): Delete in favor of...
(shift_return_value): ...this new function. Leave the caller to check
for non-BLKmode values passed in the msb of a register. Take said mode
and a shift direction as argument. Operate on the hard function value,
not a pseudo.
(expand_call): Adjust accordingly.
* function.c (expand_function_start): If a non-BLKmode return value
is padded at the last significant end of the return register, use the
return value's natural mode for the DECL_RESULT, not the mode of the
padded register.
(expand_function_end): Shift the same sort of return values left by
the appropriate amount.
From-SVN: r91187
* calls.c (precompute_register_parameters): Force all PARALLELs
into pseudo registers.
(load_register_parameters): Copy PARALLELs into hard registers.
* function.c (assign_parm_setup_block): Copy PARALLELS into
pseudo registers. Do emit_group_store in conversion_insns.
* expr.c (emit_group_load_1): Rename from emit_group_load, take
tmps as an argument. Move final copy loop ...
(emit_group_load): ... here. New function.
(emit_group_load_into_temps, emit_group_move_into_temps): New.
* expr.h: Declare them.
From-SVN: r90613
* alias.c (record_alias_subset, addr_side_effect_eval):
Make them static.
* alias.h: Remove the prototype for record_alias_subset.
* expr.h: Remove the commented-out prototype for
record_alias_subset.
* rtl.h: Remove the prototype for addr_side_effect_eval.
From-SVN: r90501
* builtins.c (expand_builtin_return_addr,
expand_builtin_longjmp, expand_builtin_trap): Make them static.
* expr.h: Remove the prototypes for expand_builtin_longjmp and
expand_builtin_trap.
* tree.h: Remove the prototype for expand_builtin_return_addr.
From-SVN: r90087
* expr.c (expand_assignment): Remove the last argument.
Change the return type to void.
* expr.h: Update the prototype of expand_assignment.
* function.c (assign_parm_setup_reg): Update a call to
expand_assignment.
* stmt.c (expand_asm_expr): Likewise.
From-SVN: r89275
* expr.h (canonicalize_condition, get_condition): Add an int argument.
* gcse.c (fis_get_condition): Reimplement using get_condition, leaving
it to check whether the condition is still valid at the jump insn.
* ifcvt.c (noce_get_condition): Likewise.
(noce_get_alt_condition): Update call to canonicalize_condition.
* loop-iv.c (simplify_using_initial_values): Update call to
get_condition. Remove FIXME.
(check_simple_exit): Update call to get_condition.
* loop-unswitch.c (may_unswitch_on): Likewise.
* loop.c (check_dbra_loop): Likewise.
(canonicalize_condition, get_condition): Add an argument to say whether
the condition must still be valid at INSN.
(get_condition_for_loop): Update call to get_condition. Require that
the condition be valid at INSN.
* predict.c (estimate_probability): Update call to get_condition.
Remove unused earliest parameter.
(expected_value_to_br_prob): Update call to canonicalize_condition.
From-SVN: r85218
* builtins.c (fold_builtin_strcpy): Merge functionality from
simplify_builtin_strcpy. Add additional len argument. No longer
static. Remove function prototype.
(fold_builtin_strncpy): Likewise integrate functionality from
simplify_builtin_strncpy. Add additional slen argument. No
longer static. Remove function prototype.
(simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
(simplify_builtin_fputs): Rename to fold_builtin_fputs. Change
types of "ignore" and "unlocked" parameters to bool.
(fold_builtin_1): Add additional ignore argument. Call renamed
fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
builtins. Update arguments to fold_builtin_strncpy and
fold_builtin_strcpy. Add function prototype.
(fold_builtin): Add additional Boolean ignore argument to pass
to fold_builtin_1.
(simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
and fold_builtin_strncpy instead of simplify_builtin_fputs,
simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
* expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
simplify_builtin_strncpy): Delete function prototypes.
* tree.h (fold_builtin_fputs, fold_builtin_strcpy,
fold_builtin_strncpy): Add function prototypes here.
(fold_builtin): Update function prototype with new "bool ignore".
* tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
(ccp_fold_builtin): Update call to fold_builtin. Call
fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
instead of simplify_builtin_fputs, simplify_builtin_strcpy and
simplify_builtin_strncpy respectively.
* fold-const.c (fold): Update call to fold_builtin.
From-SVN: r84302
Jan Hubicka
Richard Guenther
Roger Sayle
Kazu Hirata
Richard Sandiford
Marcin Dalecki
Richard Henderson
Adrian Straetling
Kelley Cook
Kazu Hirata
Jakub Jelinek
Richard Henderson
Alan Modra
Richard Sandiford
Steven Bosscher
Eric Botcazou
Paolo Bonzini
Alexandre Oliva
Richard Kenner
Jerry Quinn
Diego Novillo
Richard Kenner