* c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
(init_attributes): Add A_NO_LIMIT_STACK.
(decl_attributes): Handle A_NO_LIMIT_STACK.
* c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
* explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
Handle stack bounds checking.
* flags.h (flag_stack_check): Use the word 'probe' rather than
'check', because the flag doesn't actually cause any checking to
be done.
* function.c (expand_function_start): Set
current_function_limit_stack.
* function.h (struct function): Add limit_stack.
(current_function_limit_stack): Define.
* invoke.texi (Code Gen Options): Document new options.
* rtl.h: Declare stack_limit_rtx.
* toplev.c (stack_limit_rtx): New variable.
(decode_f_option): Handle new options -fstack-limit-register=REG,
-fstack-limit-symbol=IDENT, -fno-stack-limit.
(main): Add stack_limit_rtx as GC root.
* tree.h (DECL_NO_LIMIT_STACK): New macro.
(struct tree_decl): New member no_limit_stack.
* config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
stack_limit_rtx.
* config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
(conditional_trap+1): Get new mnemonic correct.
(conditional_trap+2): New pattern for DImode traps.
* config/m68k/m68k.c (output_function_prologue): Handle
stack_limit_rtx.
* config/m68k/m68k.md (trap): New insn.
(conditional_trap): New insn.
* md.texi (Standard Names): Document `trap' and
`conditional_trap'.
* optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
so a cc0 setter doesn't get emitted at some random place in the
function.
* config/i960/i960.md (trap): New insn.
(conditional_trap): New expander.
(conditional_trap+1, conditional_trap+2): New insns for signed
and unsigned cases.
* config/i960/i960.c (i960_function_prologue): Use
STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
Co-Authored-By: Greg McGary <gkm@gnu.org>
From-SVN: r30771
Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
* gcov.c (DIR_SEPARATOR): Provide default.
(output_data): Add test for MS-DOS format absolute filename.
(fancy_abort): Correct program name.
(open_files): Open all files in binary mode.
* libgcc2.c (__bb_exit_func): Likewise.
* profile.c (init_branch_prob): Specify binary when opening files.
* flags.h (flag_unwind_tables): New decl.
* toplev.c (flag_unwind_table): New definition.
(f_options): Add -funwind-tables.
(decode_g_option): Clarify warning when unknown -g option is given.
(rest_of_compilation): If inside an inlined external function,
pretend we are just being declared.
* dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
(dwarf2out_frame_finish): Likewise.
Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
* flow.c (propagate_block): When the last reference to a label
before an ADDR_VEC is deleted because the reference is a dead
store, delete the ADDR_VEC.
Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
* fold-const.c (merge_ranges): In not in0, but in1, handle
upper bounds equal like subset case.
Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
* dbxout.c (dbxout_parms): Generate a second stabs line for parameters
passed in a register but moved to the stack.
Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
* gcc.c (pass_exit_codes, greatest_status): New variables.
(struct option_map): Add entry for "--pass-exit-codes".
(execute): Update greatest_status if error.
(display_help): Add documentation for -pass-exit-codes.
(process_command): Handle -pass-exit-codes.
(main): Look at pass_exit_codes and greatest_status on call to exit.
Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* reload.c (find_reloads): Refine test for no input reload
case to not includes reloads emitted after insn.
* function.c (find_temp_slots_from_address): Handle sum involving
a register that points to a temp slot.
(update_temp_slot_address): Make recursive call if both old and
new are PLUS with a common operand.
* calls.c (expand_call): Mark temp slot for result as having
address taken.
* rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
* gcc.c (process_command): Add standard_exec_prefix with "GCC"
component as well as "BINUTILS".
* integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
* integrate.c (copy_rtx_and_substitute): Likewise.
(expand_inline_function, integrate_parm_decls, integrate_decl_tree):
All callers changed.
* unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
* dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
gdb extensions, write size of type; also be more consistent
in using references when this is a subtype.
* pa.md (extv, extzv, insv): Use define_expand to reject constant
that is out of range.
* loop.c (unknown_constant_address_altered): New variable.
(prescan_loop): Initialize it.
(note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
(invariant_p, case MEM): Remove handling for volatile and readony;
check new variable if readonly.
(check_dbra_loop): Chdeck unknown_constant_address_altered.
* cse.c (canon_hash, case MEM): Do not record if BLKmode.
(addr_affects_sp_p): Removed from note_mem_written and only
define #ifdef AUTO_INC_DEC.
* alpha.c (input_operand, case ADDRESSOF): Treat as REG.
* regclass.c (record_reg_classes): Properly handle register move
directions.
* varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
Don't think valid if both operands are invalid.
(struct constant_descriptor): New field RTL.
(mark_const_hash_entry): Mark it.
(record_constant{,_rtx}): Initialize it.
(output_constant_def): Allocate RTL in permanent obstack and
save in table.
({record,compare}_constant_1): Modes must match for
CONSTRUCTOR of ARRAY_TYPE.
* c-common.h (initializer_constant_valid_p): Delete decl from here.
* output.h (initializer_constant_valid_p): Move decl to here.
* c-common.c (initializer_constant_valid_p): Delete function from here.
* varasm.c (initializer_constant_valid_p): Move function to here.
* tree.h (STRIP_SIGN_NOPS): New macro.
* fold-const.c (optimize_minmax_comparison): New function.
(invert_truthvalue, case WITH_RECORD_EXPR): New case.
(fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
(fold, case EQ_EXPR): Call optimize_minmax_comparison and add
cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
widening conversions.
(fold, case LE_EXPR): Rework changing unsigned to signed comparisons
to look at size of mode, not precision of type; also add missing cases.
(optimize_bit_field_compare, decode_field_reference): Don't try to
optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
* dwarf2out.c (ctype.h): Include.
(dwarf2out_set_demangle_name_func): New function.
(size_of_line_info): Deleted.
(output_line_info): Compute size of line info table from difference
of labels.
(base_type_die, add_name_attribute): Call demangle function, if any.
(field_byte_offset): Use bits per word for variable length fields.
(gen_array_type_die): Add array name.
(gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
(dwarf2out_add_library_unit_info): New function.
* explow.c (set_stack_check_libfunc): New function.
(stack_check_libfunc): New static variable.
(probe_stack_range): Allow front-end to set up a libfunc to call.
* combine.c (simplify_comparison): When making comparison in wider
mode, check for having commuted an AND and a SUBREG.
(contains_muldiv): New function.
(try_combine): Call it when dividing a PARALLEL.
(simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
(simplify_comparison, case ASHIFTRT): Recognize sign-extension of
a PLUS.
(record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
use one of the CLOBBERs instead.
(if_then_else_cond): If comparing against zero, just return thing
being compared.
* optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
Don't generate shifts and subtract if have conditional arithmetic.
* rtl.h (delete_barrier): New declaration.
* jump.c (jump_optimize): Set up to handle conditional call.
In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
(delete_barrier): New function.
* rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
* recog.c (nonmemory_operand): Accept ADDRESSOF.
* tree.c (build_type_attribute_variant): Push to obstack of
ttype around type_hash_canon call.
* expr.c (placeholder_list): Move decl to file scope.
(expand_expr): Don't force access to volatile just because its
address is taken.
If ignoring reference operations, just expand the operands.
(expand_expr, case COMPONENT_REF): Propagate
EXPAND_CONST_ADDRESS to recursive call when expanding inner.
Refine test for using bitfield operations vs pointer punning.
(expand_expr, case CONVERT_EXPR): If converting to
BLKmode UNION_TYPE from BLKmode, just return inner object.
Use proper mode in store_field call.
Properly set sizes of object to store and total size in store_field
call for convert to union.
(expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
memory (like for ADDR_EXPR). Also, don't put constant in register if
we'll want it in memory.
(readonly_fields_p): New function.
(expand_expr, case INDIRECT_REF): Call it if LHS.
(expand_assignment): Handle a RESULT_DECL where
DECL_RTL is a PARALLEL.
(do_jump, case WITH_RECORD_EXPR): New case.
(get_inner_reference): Always go inside a CONVERT_EXPR
and NOP_EXPR if both modes are the same.
(store_field): Use bitfield operations if size of bitsize is not same
as size of RHS's type.
Check for bitpos not a multiple of alignment in BLKmode case.
Do block move in largest possible alignment.
(store_constructor): Set BITSIZE to -1 for variable size and properly
in case of array of BLKmode.
(expand_expr_unaligned): New function.
(do_compare_and_jump): Call it.
* mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
* collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
does not include 'o'.
* function.c (instantiate_virtual_regs_1, case SET): Handle case where
both SET_DEST and SET_SRC reference a virtual register.
(gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
* integrate.c (expand_inline_function): Handle case of setting
virtual stack vars register (from built in setjmp); when parameter
lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
(subst_constant): Add new parm, MEMONLY.
(expand_inline_function, integrate_parm_decls): Pass new parm.
(integrate_decl_tree): Likewise.
(copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
(try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
(copy_rtx_and_substitute, case SET): Add explicit calls to
copy_rtx_and_substitute for both sides.
* stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
constraints.
(pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
within INDEX_TYPE, instead of before.
(fixup_gotos): Use f->target_rtl, not the next insn,
since latter may be from a later fixup.
(expand_value_return): Correctly convert VAL when promoting function
return; support RETURN_REG being a PARALLEL.
(expand_return): When checking for result in regs and having
cleanup, consider PARALLEL in DECL_RTL as being in regs.
From-SVN: r30299
Include function.h in most files. Remove most of the global variables
duplicated in function.h. Add accessor macros for them which access
current_function. Delete INLINE_HEADER rtx and related code, replace
with code using struct function to store inlining related data.
From-SVN: r28626
* function.c (nonlocal_goto_handler_slots): Renamed from
nonlocal_goto_handler_slot; now an EXPR_LIST chain.
(push_function_context_to): Adjust for this change.
(pop_function_context_from): Likewise.
(init_function_start): Likewise.
(expand_function_end): Likewise.
* function.h (struct function): Likewise.
* calls.c (expand_call): Likewise.
* explow.c (allocate_dynamic_stack_space): Likewise.
* expr.h (nonlocal_goto_handler_slots): Rename its declaration.
* stmt.c (declare_nonlocal_label): Make a new handler slot for each
label.
(expand_goto): When doing a nonlocal goto, find corresponding handler
slot for it. Don't put the label address in the static chain register.
(expand_end_bindings): Break out nonlocal goto handling code into
three new functions.
(expand_nl_handler_label, expand_nl_goto_receiver,
expand_nl_goto_receivers): New static functions, broken out of
expand_end_bindings and adapted to create one handler per nonlocal
label.
* function.c (delete_handlers): Delete insn if it references any of
the nonlocal goto handler slots.
* i960.md (nonlocal_goto): Comment out code that modifies
static_chain_rtx.
* sparc.md (nonlocal_goto): Likewise.
(goto_handler_and_restore_v9): Comment out.
(goto_handler_and_restore_v9_sp64): Comment out.
From-SVN: r23732
* expr.c (STACK_BYTES): Delete unused macro.
* calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
(STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
(expand_call): Likewise.
(emit_library_call): Likewise.
(emit_library_call_value): Likewise.
* function.c: Provide default for PREFERRED_STACK_BOUNDARY.
(STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
* explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
(round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
(allocate_dynamic_stack_space): Likewise.
* tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
(STACK_BOUNDARY): Update description to reflect the new situation.
From-SVN: r23730
* Makefile.in (gencheck.o): Depend on gansidecl.h.
* c-common.c (print_char_table): Add missing initializers.
(scan_char_table): Likewise.
(time_char_table): Likewise.
* c-decl.c (c_decode_option): Mark parameter `argc' with
ATTRIBUTE_UNUSED.
(declare_parm_level): Mark parameter `definition_flag' with
ATTRIBUTE_UNUSED.
* c-lex.c (readescape): Use `(unsigned)1' in shift.
(yylex): Likewise. Cast `sizeof' to an (int) when comparing
against one.
* calls.c (store_one_arg): Remove unused parameter `fndecl'. All
callers changed.
(emit_call_1): Mark parameters `fndecl' and `funtype' with
ATTRIBUTE_UNUSED.
(expand_call): Cast result of MIN() to (unsigned int) when
comparing against an unsigned value.
* cccp.c (pcfinclude): Remove unused parameter `limit'. All
callers changed.
(make_definition): Remove unused parameter `op'. All callers
changed.
(create_definition): Cast REST_EXTENSION_LENGTH to (long) when
comparing against the result of pointer arithmetic.
* config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
when comparing against one.
* dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
one.
(output_die): Move variable `i' into the scope in which it is
used. Change its type to `unsigned'.
(output_die): Cast the result of `strlen' to (int) when passing it
to ASM_OUTPUT_ASCII().
(output_pubnames): Likewise.
(output_line_info): Likewise.
* emit-rtl.c (global_rtl): Add missing initializers.
* explow.c (promote_mode): Mark parameter `for_call' with
ATTRIBUTE_UNUSED.
* expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
`unsigned HOST_WIDE_INT' when comparing against one.
(synth_mult): Change type of variable `cost' to int.
(emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
* expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
when comparing against one.
(get_inner_reference): Change variable `alignment' to unsigned.
(expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
int) when comparing against one.
(expand_builtin_setjmp): Change type of variable `i' to size_t.
* fold-const.c (div_and_round_double): Cast BASE to
(HOST_WIDE_INT) when comparing against one.
* gencheck.c: Include gansidecl.h.
(main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
* optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
`tcode' with ATTRIBUTE_UNUSED.
* real.c (edivm): Cast constant value to (unsigned long) in
expression compared against an unsigned value.
* stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
comparing against one.
(expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
when comparing against one.
* stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
(unsigned int) when comparing against one. Likewise for
GET_MODE_BITSIZE.
(smallest_mode_for_size): Likewise.
(save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
(restore_storage_status): Likewise.
* toplev.c (debug_args): Add missing initializer.
(f_options): Spelling correction. Add missing initializers.
(documented_lang_options): Likewise.
(debug_end_source_file): Mark parameter `lineno' with
ATTRIBUTE_UNUSED.
* tree.c (valid_machine_attribute): Mark parameters `attr_args',
`decl' and `type' with ATTRIBUTE_UNUSED.
* varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
when comparing against one.
(assemble_variable): Mark parameter `top_level' with
ATTRIBUTE_UNUSED.
(assemble_external_libcall): Mark parameter `fun' with
ATTRIBUTE_UNUSED.
(output_constant_pool): Mark parameters `fnname' and `fndecl' with
ATTRIBUTE_UNUSED.
From-SVN: r23054
* expr.h (STACK_SIZE_MODE): New macro.
* explow.c (allocate_dynamic_stack_space): Use it for
mode of allocate_stack pattern increment operand.
* tm.texi (STACK_SAVEAREA_MODE, STACK_SIZE_MODE): Document.
* md.texi (stack_save_block, ...): Reflect use of macro.
* rs6000.h (PROMOTE_MODE): Always promote to word_mode.
(PROMOTE_FUNCTION_ARGS): Define.
(PROMOTE_FUNCTION_RETURN): Define.
(FUNCTION_VALUE): Promote to word_mode if smaller.
Convert to gen_rtx_FOO.
* rs6000.md (call_indirect): Store doubleword in 64-bit mode.
Convert to gen_rtx_FOO.
From-SVN: r20893
* invoke.texi (-fstrict-aliasing): Document.
* rtl.texi (MEM_ALIAS_SET): Document.
* flags.h (flag_strict_aliasing): Declare.
* toplev.c (flag_strict_aliasing): Define.
(f_options): Add -strict-aliasing.
(main): Set flag_strict_aliasing if -O2 or higher.
* tree.h (tree_type): Add alias_set field.
(TYPE_ALIAS_SET): New macro.
(TYPE_ALIAS_SET_KNOWN_P): Likewise.
(get_alias_set): Declare.
* tree.c (lang_get_alias_set): Define.
(make_node): Initialize TYPE_ALIAS_SET.
(get_alias_set): New function.
* print-tree.c (print_node): Dump the alias set for a type.
* c-tree.h (c_get_alias_set): Declare.
* c-common.c (c_get_alias_set): New function.
* c-decl.c (init_decl_processing): Set lang_get_alias_set.
* expr.c (protect_from_queue): Propogage alias sets.
(expand_assignment): Calculate alias set for new MEMs.
(expand_expr): Likewise.
* function.c (put_var_into_stack): Likewise.
(put_reg_into_stack): Likewise.
(gen_mem_addressof): Likewise.
(assign_parms): Likewise.
* stmt.c (expand_decl): Likewise.
* varasm.c (make_decl_rtl): Eliminate redundant clearing of
DECL_RTL. Calculate alias set for new MEMs.
* rtl.def (REG): Add dummy operand.
(MEM): Add extra operand to store the MEM_ALIAS_SET.
* rtl.h (MEM_ALIAS_SET): New macro.
(gen_rtx_MEM): Declare.
* emit-rtl.c (gen_rtx_MEM): New function.
* gengenrtl.c (sepcial_rtx): Make MEMs special.
* alias.c (CHECK_ALIAS_SETS_FOR_CONSISTENCY): New macro.
(DIFFERENT_ALIAS_SETS_P): Likewise.
(canon_rtx): Propogate the alias set to the new MEM.
(true_dependence): Check the alias sets.
(anti_dependence): Likewise.
(output_dependence): Likewise.
* explow.c (stabilize): Progoate alias sets.
* integrate.c (copy_rtx_and_substitute): Likewise.
* final.c (alter_subreg): Make sure not to leave MEM_IN_STRUCT_P
in an unpredictable state. Propogate alias sets.
* reload1.c (reload): Clear MEM_ALIAS_SET for new MEMs about which
we have no alias information.
From-SVN: r20719
Thu Jun 4 14:35:27 1998 David Edelsohn <edelsohn@mhpcc.edu>
* tree.c (get_inner_array_type): New function.
* tree.h (get_inner_array_type): Prototype.
* expr.h (STACK_SAVEAREA_MODE): New macro.
* expr.c (expand_builtin_setjmp): Initialize sa_mode using
STACK_SAVEAREA_MODE.
(expand_builtin_longjmp): Likewise.
* explow.c (emit_stack_save): Likewise.
(allocate_dynamic_stack_space): Use Pmode not insn_operand_mode.
* rs6000/aix41.h (ASM_CPU_SPEC): Define relative to ASM_DEFAULT_SPEC.
(CPP_CPU_SPEC): Define relative to CPU_DEFAULT_SPEC.
* rs6000/aix43.h: New file.
* rs6000/t-aix43: New file.
* rs6000/x-aix41: New file.
* rs6000/x-aix43: New file.
* configure.in (rs6000-ibm-aix*): Use them.
* rs6000/powerpc.h: Delete.
* rs6000/sysv4.h: Move necessary powerpc.h definitions to here.
* rs6000/netware.h: and here.
* rs6000/win-nt.h: and here.
* rs6000/rs6000.c (processor_target_table, 620): Do not affect
MASK_POWERPC64.
(rs6000_override_options): Ignore flag_pic for AIX.
(rs6000_immed_double_const): Delete.
(u_short_cint_operand): Don't assume 32-bit CONST_INT.
(reg_or_u_short_operand): Don't assume 32-bit CONST_INT.
(num_insns_constant): mask64_operand() is 2 insns.
(logical_operand): Don't assume 32-bit CONST_INT.
(non_logical_cint_operand): Don't assume 32-bit CONST_INT.
(easy_fp_constant): Any CONST_DOUBLE_HIGH is okay for 64-bit.
(mask_constant): HOST_WIDE_INT parameter.
(non_and_cint_operand): Delete.
(mask64_operand): New function.
(and64_operand): New function.
(function_arg_advance): DImode arguments do not need special
alignment when 64-bit.
(function_arg): Likewise.
(setup_incoming_varargs): Reverse reg_size assignment.
(print_operand): HOST_WIDE_INT second parameter.
(print_operand, 'B'): New case.
(print_operand, 'M'): Fix typo in lossage string.
(print_operandm 'S'): New case.
(rs6000_stack_info): Reverse reg_size assignment. Use total_raw_size
to compute AIX push_p. Use reg_size to compute {cr,lr}_save_offset.
(rs6000_output_load_toc_table): Reverse init_ptr assignment. Use
TARGET_64BIT not TARGET_POWERPC64. Convert fprintf to fputs.
Load GOT highpart, don't add it. Add lowpart with {cal|la}.
(rs6000_allocate_stack_space): Use {cal|la}.
(output_epilog): Use {cal|la}
(output_function_profiler): Add call glue to mcount call.
Load GOT highpart, don't add it. Add lowpart with {cal|la}.
* rs6000/rs6000.h (TARGET_SWITCHES): Add powerpc64.
(STACK_BOUNDARY): Depend on TARGET_32BIT.
(ADJUST_FIELD_ALIGN): Calculate array alignment using innermost type.
(CONST_OK_FOR_LETTER_P): Don't assume 32-bit CONST_INT.
(EXTRA_CONSTRAINTS): Remove NT 'S' and 'T'. Replace 'S' with
64-bit mask operand.
(RS6000_SAVE_TOC): Depend on TARGET_32BIT.
(STACK_SAVEAREA_MODE): New macro.
(LEGITIMATE_CONSTANT_P): DImode okay for 64bit.
(LEGITIMIZE_RELOAD_ADDRESS): New macro.
(RTX_COSTS, AND/IOR/XOR): Reflect current machine description.
(ASM_FILE_START): Emit 64-bit ABI directive.
(ASM_DECLARE_FUNCTION_NAME): Align CSECT on doubleword in 64-bit mode.
(ASM_OUTPUT_SPECIAL_POOL_ENTRY): DImode okay for 64-bit.
(PREDICATE_CODES): Add "and64_operand" and "mask64_operand".
Delete "non_and_cint_operand". "input_operand" includes CONST_DOUBLE.
* rs6000/rs6000.md (iorsi3, xorsi3): Use HOST_WIDE_INT for mask.
Restore define_splits.
(floatsidf2, floatunssidf2): Remove !TARGET_POWERPC64 final constraint.
(floatsidf2_internal, floatunssidf2_internal2): Likewise.
Do not specify base register operand mode.
(floatsidf2_loadaddr): Do not specify base register operand mode.
(floatsidf2_store1, floatsidf2_store2): Operand 1 must be base
register; do not specify mode. Remove !TARGET_POWERPC64 final
constraint.
(floatsidf2_load): Do not specify base register operand mode. Remove
!TARGET_POWERPC64 final constraint.
(fix_truncdfsi2_internal, fix_truncdfsi2_{store,load}): Do not specify
base register operand mode.
(adddi3): Split large constants early.
(absdi3): Shift by 63, not 31.
(*mulsidi3_ppc64): New pattern.
(rotldi3): Add masking combiner patterns.
(anddi3): Add rldic{r,l} masking. Remove split of large constants
because PPC insns zero-extend.
(iordi3, xordi3): Split large constants early.
(movsi matcher): Remove S and T constraints.
(movsf const_double): create SImode constant from TARGET_DOUBLE.
(movdf_hardfloat32): Add default abort() case.
(movdf easy_fp_const): create DImode constant from TARGET_DOUBLE.
(movdi): Remove 64-bit constant generator. Try to convert
CONST_DOUBLE to CONST_INT. Handle TOC memory constants.
(movdi_32): Add default abort() case.
(movdi_64): Add numerous ways to split 64-bit constants.
Make catch-all define_split more optimal and never FAIL.
(movti_ppc64): Add default abort() case.
(allocate_stack): Remove operand modes. Use Pmode.
(restore_stack_block): Remove operand modes. Generate Pmode
temporary.
(save_stack_nonlocal, restore_stack_nonlocal): Generate Pmode
temporary. Save area is double Pmode.
(call_indirect_aix64, call_value_indirect_aix64): New patterns.
(call, call_value): Do not specify address operand mode. Choose
appropriate AIX ABI.
(*call_local64, *ret_call_local64): New patterns.
(*call_nonlocal_aix64, *ret_call_nonlocal_aix64): New patterns.
(*ret_call_nonlocal_aix32): Use call_value_indirect for REG.
(compare): Materialize DImode truthvalues.
From-SVN: r20229
* explow.c (optimize_save_area_alloca): New function for targets
where SETJMP_VIA_SAVE_AREA is true.
(allocate_dynamic_stack_space): On SETJMP_VIA_SAVE_AREA targets,
compute the amount of stack space needed should we find later that
setjmp is never called by this function, stuff rtl for this inside
a REG_NOTE of the final SET of stack_pointer_rtx.
* toplev.c (rest_of_compilation): If SETJMP_VIA_SAVE_AREA and
current_function_calls_alloca, call optimize_save_area_alloca.
CVS ----------------------------------------------------------------------
From-SVN: r17402
New arg, TO_MODE.
Do something special for SYMBOL_REF, LABEL_REF, and CONST.
(memory_address): Add extra arg to call to convert_memory_address.
From-SVN: r9328
(memory_address): Call if it needed.
(promote_mode, case POINTER_TYPE): Use Pmode and pointer extension.
(allocate_dynamic_stack_space): Convert size from ptr_mode.
From-SVN: r9304
(allocate_dynamic_stack_space): Test STACK_BOUNDARY against
BIGGEST_ALIGNMENT at run time instead of at compile time. Give
MUST_ALIGN macro a value, and test this value in if statements.
From-SVN: r9263
(allocate_dynamic_stack_space): Just return virtual_stack_dynamic_rtx if
asking for zero bytes.
Set current_function_calls_alloca here and also record new stack level for
nonlocal gotos.
From-SVN: r7229
