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From-SVN: r24531
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* expr.c (expand_builtin) [case BUILT_IN_CONSTANT_P]: Use
value_mode for the return mode.
From-SVN: r24525
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postincremented (or...
�
* expr.c (store_expr): If the lhs is a memory location pointed
to be a postincremented (or postdecremented) pointer, always
force the rhs to be evaluated into a pseudo.
From-SVN: r24507
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* rtl.def (CONSTANT_P_RTX): Clarify commentary.
* expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
consider constant CONSTRUCTOR constant and to defer some cases
to cse.
* cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
* regclass.c (reg_scan_mark_refs, case CONST): Likewise.
Richard Henderson <rth@cygnus.com>
* expr.c (init_expr_once): Kill can_handle_constant_p recognition.
* cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
From-SVN: r24439
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From-SVN: r24364
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selectable.
* cse.c (fold_rtx): Make autoincrement addressing mode tests be
runtime selectable.
* expr.c (move_by_pieces): Similarly.
(move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
* flow.c (find_auto_inc): Similarly.
(try_pre_increment): Similarly.
* loop.c (strength_reduce): Similarly.
* regclass.c (auto_inc_dec_reg_p): Similarly.
* regmove.c (try_auto_increment): Similarly.
(fixup_match_1): Similarly.
* rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
(HAVE_PRE_DECREMENT): Similarly.
(HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
sponding changes to all target header files.
From-SVN: r23837
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* 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
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(according to ==) with TARGET.
* expr.c (store_expr): Don't generate load-store pair
if TEMP is identical (according to ==) with TARGET.
From-SVN: r23696
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suitable extend patterns can be found.
From-SVN: r23398
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* expr.c (pending_chain): Move up.
(save_expr_status): Do save pending_chain.
(restore_expr_status): And restore it.
* function.h (struct function): Add pending_chain.
From-SVN: r23241
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* 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
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* expr.c (push_block): Handle targets where the stack grows
to higher addresses, but args grow to lower addresses and
ACCUMULATE_OUTGOING_ARGS is not defined.
From-SVN: r23046
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attribute.
Fine-grained control of -fcheck-memory-usage with new no_check_memory_usage
attribute. Misc minor bugfixes and tests for it too.
From-SVN: r22983
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* expr.c (emit_group_store): Handle a PARALLEL destination.
From-SVN: r22893
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8
* tree.def (GOTO_EXPR): Modified documentation.
* expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
goto.
From-SVN: r22859
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* calls.c (expand_call) : Encapsulate code into
copy_blkmode_from_reg.
* expr.c (copy_blkmode_from_reg): New function.
* expr.h (copy_blkmode_from_reg): New function.
* integrate.c (function_cannot_inline_p): We can inline
these now.
(expand_inline_function): Use copy_blkmode_from_reg
if needed. Avoid creating BLKmode REGs.
(copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
object.
From-SVN: r22714
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* expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
From-SVN: r22666
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ARRAY_TYPEs.
* c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
* expr.c (store_field): Add alias_set parameter. Set the
MEM_ALIAS_SET accordingly, if the target is a MEM.
(expand_assignment): Use it.
(store_constructor_field): Pass 0.
(expand_expr): Likewise.
From-SVN: r22620
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word...
* expr.c (store_constructor): When initializing a field that is smaller
than a word, at the start of a word, try to widen it to a full word.
* cse.c (cse_insn): When we are about to change a register,
remove any invalid references to it.
(remove_invalid_subreg_refs): New function.
(mention_regs): Special treatment for SUBREGs.
(insert_regs): Don't strip SUBREG for call to mention_regs.
Check if reg_tick needs to be bumped up before that call.
(lookup_as_function): Try to match known word_mode constants when
looking for a norrower constant.
(canon_hash): Special treatment for SUBREGs.
From-SVN: r22567
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* tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
(BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
(BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
(BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
* c-decl.c (init_decl_processing): Update accordingly.
* expr.c (expand_builtin): Likewise.
* cp/decl.c (init_decl_processing): Likewise.
* rtl.h (global_rtl): Add cfa entry.
(virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
(LAST_VIRTUAL_REGISTER): Update.
* emit-rtl.c (global_rtl): Add cfa entry.
(init_emit): Initialize it.
* function.c (cfa_offset): New.
(instantiate_virtual_regs): Initialize it.
(instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
(expand_function_end): Call expand_eh_return.
* tm.texi (ARG_POINTER_CFA_OFFSET): New.
* except.c (current_function_eh_stub_label): Kill.
(current_function_eh_old_stub_label): Likwise; update all references.
(expand_builtin_set_return_addr_reg): Kill.
(expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
(expand_builtin_set_eh_regs): Kill.
(eh_regs): Produce a third reg for the actual handler address.
(eh_return_context, eh_return_stack_adjust): New.
(eh_return_handler, eh_return_stub_label): New.
(init_eh_for_function): Initialize them.
(expand_builtin_eh_return, expand_eh_return): New.
* except.h: Update prototypes.
* flow.c (find_basic_blocks_1): Update references to the stub label.
* function.h (struct function): Kill stub label elements.
* libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
register number is one that would be in the previous window.
Provide a dummy definition for non-windowed targets.
(get_reg_addr): New function.
(get_reg, put_reg, copy_reg): Use it.
(__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
* alpha.c (alpha_eh_epilogue_sp_ofs): New.
(alpha_init_expanders): Initialize it.
(alpha_expand_epilogue): Use it.
* alpha.h: Declare it.
* alpha.md (eh_epilogue): New.
* m68h.h (ARG_POINTER_CFA_OFFSET): New.
* sparc.h (ARG_POINTER_CFA_OFFSET): New.
From-SVN: r22436
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* expr.c: Corrected comment about what MOVE_RATIO does.
* config/alpha/alpha.h: Ditto.
* config/1750a/1750a.h: Ditto.
* config/clipper/clipper.h: Ditto.
* config/i386/i386.h: Ditto.
From-SVN: r22339
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* expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
consistent.
* tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
*sequences* *below* which scalar moves will be used.
From-SVN: r22107
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�
* tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
* tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
macros.
* expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
EXIT_BLOCK_EXPR.
From-SVN: r21897
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CALL_EXPR and call it like...
* expr.c (emit_block_move): Do not call memcpy as a libcall
instead build up a CALL_EXPR and call it like any other
function.
(clear_storage): Similarly for memset.
From-SVN: r21831
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* expr.c (move_by_pieces): No longer static. Remove prototype.
* rtl.h (move_by_pieces): Add extern prototype.
* mips.c (expand_block_move): Handle aligned straight line copy by
calling move_by_pieces.
From-SVN: r21794
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8
* expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
and VAR_DECLs.
From-SVN: r21784
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or destination have a...
* expr.c (store_expr): Don't optimize away load-store pair
when either source or destination have a side effect.
From-SVN: r21732
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* expr.c (safe_from_p): Change code to ERROR_MARK only when not
accessing nodes.
* toplev.c (display_help): Add braces to shut up warnings.
* fold-const.c (non_lvalue): Don't deal with null pointer
constants here.
(fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
From-SVN: r21698
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Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
* stor-layout.c (layout_type): Handle arrays of bits, for Chill.
* expr.c (get_inner_reference): Handle zero-based, unsigned, array
index conversion.
From-SVN: r21416
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integers to MAX_INTEGER_COMPUTATION_MODE.
* expr.c (check_max_integer_computation_mode): Allow conversions
of constant integers to MAX_INTEGER_COMPUTATION_MODE.
(expand_expr): Likewise.
From-SVN: r21349
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8
* expr.c (expand_expr): Expand RETURN_EXPR.
From-SVN: r21347
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varying for...
* expr.c (expand_expr): Only set MEM_IN_STRUCT_P if the memory address
is not varying for REFERENCE_TYPE or when we think we might have found
an optimized access to the first element in an array.
From-SVN: r21099
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insn of the sequence.
* expr.c (emit_queue): If emitting a SEQUENCE, set QUEUED_INSN
to the first insn of the sequence.
From-SVN: r20997
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of the structure being manipulated.
* expr.c (emit_group_load, emit_group_store): Rewrite considering
the size and alignment of the structure being manipulated.
* expr.c, calls.c, function.c: Update all callers.
* expr.h: Update prototypes.
* cse.c (invalidate): Cope with parallels.
From-SVN: r20867
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convert_to_mode when possible.
* expr.c (expand_assignment, store_constructor, expand_expr): Use
convert_memory_address instead of convert_to_mode when possible.
From-SVN: r20865
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* rtl.def (CONSTANT_P_RTX): New.
* rtl.h (CONSTANT_P): Recognize it.
* cse.c (fold_rtx): Eliminate it.
* expr.c (can_handle_constant_p): New variable.
(init_expr_once): Initialize it.
(expand_builtin): Generate CONSTANT_P_RTX if the expression is not
immediately recognizable as a constant.
From-SVN: r20846
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details.
From-SVN: r20808
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* Makefile.in (fix-header): Don't needlessly depend on cpperror.o.
* alias.c (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Cast expansion to
void since it is evaluated in a comma list.
* mips.h (ASM_GENERATE_INTERNAL_LABEL): Always sprintf `NUM'
argument as a long and cast `NUM' to long to ensure it is of the
proper width. Wrap macro arguments in parens when they appear in
the expansion.
* sol2.h (ASM_GENERATE_INTERNAL_LABEL): Likewise.
* sparc.h (ASM_GENERATE_INTERNAL_LABEL): Likewise.
(ASM_DECLARE_RESULT): Fix fprintf format specifier to match
function argument return type.
(REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_FP_P,
REGNO_OK_FOR_CCFP_P): Use `(unsigned)' not `U'.
* cpplib.c (cpp_message_from_errno): Remove unneeded argument to
cpp_message.
* dbxout.c: Fix the comments after an #endif to reflect the actual
condition tested in the preceding #if.
* except.c (find_all_handler_type_matches): Switch to old-style
function definition.
* expr.c (expand_builtin): Remove unused variable `type' twice.
* gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Cast -1 before comparing it
to an unsigned long.
* haifa-sched.c (print_insn_chain): Remove unused function.
* objc/objc-act.c (build_msg_pool_reference): Hide prototype and
definition.
* toplev.c: When testing whether to include dbxout.h, also include
it when XCOFF_DEBUGGING_INFO is defined.
* unroll.c (unroll_loop): Add parentheses around assignment used
as truth value.
From-SVN: r20801
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* 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
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members to expose more invariant...
* expr.c (expand_assignment): Rework address calculation for structure
field members to expose more invariant computations to the loop
optimizer.
(expand_expr): Likewise.
From-SVN: r20705
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* optabs.c: Use gen_rtx_FOO (...) instead of gen_rtx (FOO, ...).
* expr.c: Likewise.
* explow.c: Likewise.
* combine.c: Likewise.
* reload1.c: Likewise.
* gcse.c: Likewise.
From-SVN: r20701
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* expr.c (get_memory_rtx): New function.
(expand_builtin): Call get_memory_rtx for MEM arguments to builtin
string functions.
* expmed.c (init_expmed): Initialize all elements of *_cost arrays.
From-SVN: r20700
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* expr.c (do_jump_by_parts_greater_rtx): Removed.
(truthvalue_conversion): Likewise.
From-SVN: r20611
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* haifa-sched.c (haifa_classify_insn): TRAP_IF is risky.
(sched_analyze_2): Allow scheduling TRAP_IF.
* reorg.c (mark_referenced_resources): Examine operands of TRAP_IF.
* rtl.h (TRAP_CODE): New macro.
* rtl.def (TRAP_IF): Change second operand type to rtx.
* optabs.c (gen_cond_trap): New function.
(init_traps): New function.
(init_optabs): Call init_traps.
* expr.h: Declare gen_cond_trap.
* jump.c (jump_optimize): Optimize jumps to and around traps.
* sparc.md: Define trap instructions.
* rs6000.md: Define trap instructions.
* rs6000.c (print_operand): New code 'V' for trap condition.
(trap_comparison_operator): New function.
* m88k.md: Update use of TRAP_IF.
* tree.h (enum built_in_function): New function code BUILT_IN_TRAP.
* c-decl.c (init_decl_processing): New builtin __builtin_trap.
* expr.c (expand_builtin): Handle BUILT_IN_TRAP.
* expr.c (expand_builtin): Error if __builtin_longjmp second argument
is not 1.
From-SVN: r20543
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* expr.c (check_max_integer_computation_mode): New function.
(expand_expr): Avoid integer computations in modes wider than
MAX_INTEGER_COMPUTATION_MODE.
* fold-const.c (fold): Likewise.
* tree.h (check_max_integer_computation_mode): Declare.
* tm.texi (MAX_INTEGER_COMPUTATION_MODE): Document it.
From-SVN: r20538
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evaluated twice.
* expr.c (do_jump, case EQ_EXPR, NE_EXPR): When comparing complex
prevent operands from being evaluated twice.
From-SVN: r20440
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* expr.c (expand_builtin_setjmp): Store const1_rtx in target.
(expand_builtin_longjmp): Abort if value isn't const1_rtx.
Delete code storing value in static_chain_rtx.
(expand_builtin, case BUILT_IN_LONGJMP): Pass NULL_RTX for target
to second expand_expr call.
From-SVN: r20418
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Thu Jun 8 14:16:15 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
* eh-common.h: Remove NEW_EH_MODEL compile time flag, and replace with
flag_new_exceptions runtime flag.
(struct old_exception_table): New struct which represents what
the exception table looks like without the new model.
(NEW_EH_RUNTIME): New value used as a tag in the exception table to
flag that this is a new style table.
* except.h: Remove compile time flag NEW_EH_MODEL.
(expand_builtin_eh_stub_old): New prototype.
* tree.h (enum built_in_function): Add BUILT_IN_EH_STUB_OLD.
* expr.c (expand_builtin): New builtin func BUILT_IN_EH_STUB_OLD.
* c-decl.c (init_decl_processing): Add new builtin function
__builtin_eh_stub_old.
* final.c (final_scan_insn): Replace compile time flag NEW_EH_MODEL.
* flags.h (flag_new_exceptions): New runtime flag.
* toplev.c (flag_new_exceptions): Initialize default to 0,
-fnew-exceptions sets to 1.
* except.c (output_exception_table_entry): Output New style exception
identifier into table, and replace compile time flag NEW_EH_MODEL
with runtime flag flag_new_exceptions.
(output_exception_table): Replace compile time flag NEW_EH_MODEL.
(expand_builtin_eh_stub_old): Duplicates original functionality of
expand_builtin_eh_stub.
(expand_builtin_eh_stub): Replace compile time flag NEW_EH_MODEL.
* libgcc2.c (find_exception_handler): Remove NEW_EH_MODEL #ifdefs.
(old_find_exception_handler): New func, same as find_exception_handler
except it works on the old style exception table.
(__throw): Replace NEW_EH_MODEL. Detect new model based on presence
of identifier in the exception table, and call appropriate routines.
1998-06-08 Andrew MacLeod <amacleod@cygnus.com>
* except.c (init_exception_processing): Remove NEW_EH_MODEL compile
time flag. Call __cp_eh_info instead of __cp_exception_info.
* exception.cc (struct cp_eh_info): Remove NEW_EH_MODEL flag.
(__cp_exception_info): Return offset into cp_eh_info structure to
match what use to be the start of this structure.
(__cp_eh_info): New function to return a pointer to cp_eh_info struct.
(__cplus_type_matcher, __cp_push_exception): Remove NEW_EH_MODEL
compile time flag.
(__uncatch_exception, __check_eh_spec, std::uncaught_exception): Call
__cp_eh_info instead of __cp_exception_info.
From-SVN: r20336
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* expr.c (force_operand): Detect PIC address loads before
splitting arithmetic.
From-SVN: r20331
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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
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