* expr.c (force_operand): Ignore flag_pic for detecting pic
address loads.
* regclass.c (init_reg_sets_1): Test fixed_regs not flag_pic
for determining if PIC_OFFSET_TABLE_REGNUM is call-clobbered.
* resource.c (mark_target_live_regs): Use regs_invalidated_by_call
instead of open-coded loop.
* doc/tm.texi (PIC_OFFSET_TABLE_REGNUM): Clarify that it must
be fixed when in use.
From-SVN: r49329
* diagnostic.c (warn_deprecated_use): Rework to lower indentation.
* expr.c (emit_move_insn_1): Remove warning, use HOST_WIDE_INT for
offsets, and change line folding.
* optabs.c (expand_binop): Remove warnings.
* sdbout.c (sdbout_record_type_name): Constify NAME to avoid warning.
From-SVN: r48801
* tree.h (expand_expr_stmt_value): Add maybe_last argument.
* c-common.h (genrtl_expr_stmt_value): Likewise.
* stmt.c (expand_expr_stmt): Pass 1 as maybe_last.
(expand_expr_stmt_value): Add maybe_last argument.
Don't warn about statement with no effect if it is the last statement
in expression statement.
* c-semantics.c (genrtl_expr_stmt): Pass 1 as maybe_last.
(genrtl_expr_stmt_value): Add maybe_last argument, pass it down to
expand_expr_stmt_value.
(expand_stmt) [EXPR_STMT]: Pass 1 as maybe_last to
genrtl_expr_stmt_value if t is the last EXPR_STMT in its scope.
* expr.c (expand_expr) [LABELED_BLOCK_EXPR, LOOP_EXPR]: Pass 1
as maybe_last to expand_expr_stmt_value.
* gcc.dg/20020104-1.c: New test.
From-SVN: r48541
* c-common.h (genrtl_expr_stmt_value): Declare.
* c-semantics.c (genrtl_goto_stmt): Redirect to...
(genrtl_goto_stmt_value): ... this new function. Pass new
argument down to expand_expr_stmt_value, taking
TREE_ADDRESSABLE into account.
* c-common.c (c_expand_expr): Mark the last EXPR_STMT of a
STMT_EXPR as addressable, i.e., one whose result we want.
* expr.c (expand_expr): Don't save expression statement value
of labeled_blocks or loop_exprs.
* stmt.c (expand_expr_stmt): Redirect to...
(expand_expr_stmt_value): ... this new function. Use new
argument to tell whether to save expression value.
(expand_end_stmt_expr): Reset last_expr_type and
last_expr_value if we don't have either.
* tree-inline.c (declare_return_variable): Mark its use
statement as addressable.
* tree.h: Document new use of TREE_ADDRESSABLE.
(expand_expr_stmt_value): Declare.
From-SVN: r48456
* expr.c (store_field): Use adjust_address, not PUT_MODE.
(expand_expr, case VIEW_CONVERT_EXPR): Likewise.
* reload1.c (eliminate_regs, case SUBREG): Likewise, but use
adjust_address_nv.
* varasm.c (make_decl_rtl): Likewise.
* integrate.c (copy_rtx_and_substitute, case MEM): Likewise, but use
replace_equiv_address_nv.
From-SVN: r48387
* expmed.c (emit_store_flag): Extract updated comparison code
from the return value of compare_from_rtx.
* expr.c (do_store_flag): Similarly.
From-SVN: r48128
* expr.c (copy_blkmode_from_reg): Add missing braces to eliminate
warning and reformat comments.
(expand_assignment): Don't pass EXPAND_WRITE if LHS is component.
(highest_pow2_factor, case INTEGER_CST): Return BIGGEST_ALIGNMENT
if overflow.
From-SVN: r47983
2001-12-11 Steve Ellcey <sje@cup.hp.com>
* doc/tm.texi (FUNCTION_ARG_REG_LITTLE_ENDIAN): New.
* defaults.h (FUNCTION_ARG_REG_LITTLE_ENDIAN): New.
* calls.c (store_unaligned_arguments_into_pseudos): Check
FUNCTION_ARG_REG_LITTLE_ENDIAN to see how structures
are passed/returned.
* expr.c (move_block_from_reg): Ditto.
(move_block_from_reg): Ditto.
(copy_blkmode_from_reg): Ditto.
* stmt.c (expand_return): Ditto.
* stor-layout.c (compute_record_mode): If
FUNCTION_ARG_REG_LITTLE_ENDIAN is set then check
MEMBER_TYPE_FORCES_BLK even if mode == VOIDmode.
* config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Set to true
so that Structures of one field are still treated as structures.
(FUNCTION_ARG_REG_LITTLE_ENDIAN): New, set it to true.
(FUNCTION_ARG_PADDING): Set to ia64_hpux_function_arg_padding().
(PAD_VARARGS_DOWN): Modify from default to not pad structures down.
* config/ia64/ia64-protos.h (ia64_hpux_function_arg_padding): New.
* config/ia64/ia64.c (ia64_hpux_function_arg_padding): New function
to special case handling of structure padding.
From-SVN: r47904
* expr.c (store_field): Remove warning.
(expand_expr, case COMPONENT_REF, case VIEW_CONVERT_EXPR): Likewise.
(highest_pow2_factor, case MIN_EXPR, case MAX_EXPR): Add cases.
(highest_pow2_factor, case *_DIV_EXPR): Only can do something if
divisor constant power of 2.
(highest_pow2_factor, case COMPOUND_EXPR): Look at operand 1.
From-SVN: r47753
* expr.c (store_expr): When copying string constant into array,
use functions that update memrefs instead of computations on
addresses to better track MEMs. Also properly handle 32/64 pointers.
(expand_expr): Use TARGET even if not reg for multi-word CONSTRUCTOR.
(expand_expr, case CONSTRUCTOR): Fix errors in parms to assign_temp.
From-SVN: r47663
* stmt.c (expand_expr_stmt): Keep last_expr_value non-NULL iff
we're interested in the result. Use it to tell whether to
ignore results of enclosed expressions.
(expand_start_stmt_expr): Added new argument, and initialize
last_expr_value accordingly.
* tree.h (expand_start_stmt_expr): Adjusted declaration.
* c-common.c (c_expand_expr): Adjust call.
* expr.c (expand_expr) [EXPR_WFL]: Pass const0_rtx down if
ignoring the result.
From-SVN: r47607
* expr.c (store_expr): When copying a string constant into an
array, reset the known alignment of the MEM for the section to
be cleared to BITS_PER_UNIT.
From-SVN: r47432
* Makefile.in (c-lang.o): Depends on langhooks-def.h.
(expr.o, varasm.o): Depends on langhooks.h.
* c-common.c (c_safe_from_p): Always declare.
(c_expand_expr): Refine when declared.
* c-lang.c (c-common.h): Now include.
(LANG_HOOKS_SAFE_FROM_P): Define new hook.
(c_init): Don't set lang_safe_from_expr.
* expr.c (langhooks.h): Now include.
(lang_safe_from_p): No longer define.
(safe_from_p): Use lang hook.
(expand_expr): Set IGNORE if VOID_TYPE result of VIEW_CONVERT_EXPR too.
(expand_expr, case VIEW_CONVERT_EXPR): Pass ro_modifier down.
* expr.h (lang_expand_constant, lang_safe_from_p): Delete.
* langhooks-def.h (lhd_return_tree, lhd_safe_from_p): New decls.
(LANG_HOOKS_EXPAND_CONSTANT, LANG_HOOKS_SAFE_FROM_P): New hooks.
* langhooks.c (lhd_return_tree, lhd_safe_from_p): New functions.
* langhooks.h (struct lang_hooks): New fields expand_constant
and safe_from_p.
* output.h (output_constant): Size arg is HOST_WIDE_INT.
* stmt.c (expand_decl_init): No longer need to expand constant
for CONST_DECL.
* stor-layout.c (put_pending_size): Don't check for SAVE_EXPR.
* toplev.c (lang_expand_constant): Delete var.
* tree.c (save_expr): Don't put another SAVE_EXPR around simple
operations on SAVE_EXPR.
* varasm.c (langhooks.h): Now include.
(compare_constant_1): Use lang_hooks, not lang_expand_constant.
(record_constant_1, output_addressed_constants): Likewise.
(initializer_constant_valid_p, output_constant): Likewise.
(output_constant_def): Process no-defer of string constant.
(output_addressed_constants, case ADDR_EXPR): Use handled_component_p.
(output_constant): Strip more conversions.
Track our size and pad for the rest.
(array_size_for_constructor): Remove code for non-byte STRING_CST.
(output_constructor): SIZE now HOST_WIDE_INT.
* cp/Make-lang.in (cp-lang.o): Depends on c-common.h.
* cp/cp-lang.c (c-common.h): Include.
(LANG_HOOKS_EXPAND_CONSTANT, LANG_HOOKS_SAFE_FROM_P): New hooks.
* cp/decl.c (cxx_init_decl_processing): Don't set lang_safe_from_p.
* cp/expr.c (init_cplus_expand): Don't set lang_expand_constant.
From-SVN: r47376
* expr.c (expand_expr, case VIEW_CONVERT_EXPR): Refine slightly
and also support TREE_ADDRESSABLE.
* tree.def (VIEW_CONVERT_EXPR): Document TREE_ADDRESSABLE.
From-SVN: r47249
* tree.def (VIEW_CONVERT_EXPR): New tree code.
* tree.h (handled_component_p): New declaration.
* alias.c (handled_component_p): Move function from here ...
* expr.c (handled_component_p): ... to here and non longer static.
(is_zeros_p, case VIEW_CONVERT_EXPR): New case.
(store_field): Remove unneeded MEM_COPY_ATTRIBUTES call.
(get_inner_reference): Handle VIEW_CONVERT_EXPR.
(expand_expr, case VAR_DECL): Clean up handling of re-layout case.
(expand_expr, case VIEW_CONVERT_EXPR): New case.
(expand_expr, cse ADDR_EXPR): No need to copy if already
BIGGEST_ALIGNMENT.
* fold-const.c (fold, case VIEW_CONVERT_EXPR): New case.
* varasm.c (initializer_constant_value_p, case VIEW_CONVERT_EXPR): New.
(output_constant): Handle VIEW_CONVERT_EXPR.
* dwarf2out.c (loc-descriptor_from_tree, add_bound_info):
Add new case for VIEW_CONVERT_EXPR.
From-SVN: r47179
* expr.c (expand_expr, case VAR_DECL): Update alignment of DECL_RTL
after re-laying out decl in incomplete case.
(expand_expr, case ADDR_EXPR): Fix typo in copy case.
From-SVN: r47153
* tree.h (TYPE_ALIGN_OK): New flag.
* emit-rtl.c (set_mem_attributes): Handle it.
* expr.c (emit_single_push_insn): Only set to alias set 0 if
doing sibcall optimization.
(expand_expr, case COMPONENT_REF): Call set_mem_attributes on case
when make temporary.
(expand_expr, case CONVERT_EXPR): Simplify convert-to-union case.
(expand_expr, case ADDR_EXPR): Abort if TYPE_ALIGN_OK and need copy.
From-SVN: r47149
* expr.c (expand_expr, case ADDR_EXPR): Refine test for when to
copy misaligned data.
* varasm.c (assemble_variable): Set alignment into MEM when changed.
From-SVN: r47089
* Makefile.in (expr.o): Depends on insn-attr.h.
* expr.c (insn-attr.h): New include.
(force_operand): If INSN_SCHEDULING, deal with paradoxical SUBREG
of MEM.
(highest_pow2_factor, case INTEGER_CST): Handle negative values.
(expand_expr): Remove unneeded mark_temp_addr_taken calls and
clean up related usage in ADDR_EXPR.
(expand_expr_unaligned): Likewise.
From-SVN: r46980
* expr.c (stor_constructor_field): Always call adjust_address.
Copy TARGET before changing its alias set.
(store_field): Likewise, for TO_RTX.
(get_inner_reference): Stop at PLACEHOLDER_EXPR if can't find
replacement.
(safe_from_p, case ADDR_EXPR): Properly check for conflict.
(find_placeholder): Return 0 if can't find object.
(expand_expr, case PLACEHOLDER_EXPR): Abort if find_placeholder
returns 0.
From-SVN: r46571
