Wed May 5 16:26:13 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
* function.c (purge_addressof_replacements): Rename into
purge_bitfield_addressof_replacements.
(purge_addressof_replacements): New variable.
(purge_addressof_1): Add code for changing addressof in notes for
field values which are extracted by usage MEM with narrower mode.
(purge_addressof): Initialize purge_bitfield_addressof_replacements.
From-SVN: r26784
* function.c (put_var_into_stack): Change ptr_mode to Pmode
in setup for chkr_set_right_libfunc calls.
(assign_params): Likewise.
* expr.c (emit_push_insn): Change ptr_mode to Pmode in
setup for chkr_copy_bitmap_libfunc and chkr_set_right_libfunc calls.
(expand_assignment): Change ptr_mode to Pmode in
setup for chkr_add_libfunc and chkr_copy_bitmap_libfunc.
(store_expr): Change ptr_mode to Pmode in
setup for chkr_add_libfunc and chkr_copy_bitmap_libfunc.
(expand_expr): Change ptr_mode to Pmode in
setup for chkr_check_addr_libfunc.
(expand_builtin): Change ptr_mode to Pmode in
setup for chkr_check_str_libfunc, chkr_copy_bitmap_libfunc and
chkr_check_addr_libfunc.
* calls.c (rtx_for_function_call): Change ptr_mode to Pmode in
setup for chkr_check_exec_libfunc.
(expand_call): Change ptr_mode to Pmode in
setup for chkr_set_right_libfunc.
(expand_call): Change ptr_mode to Pmode in
setup for chkr_set_right_libfunc.
(store_one_arg): Change ptr_mode to Pmode in
setup for chkr_set_right_libfunc.
Co-Authored-By: Donn Terry <donn@interix.com>
From-SVN: r26664
* calls.c (emit_call_1): New arg rounded_stack_size; update callers.
Update pending_stack_adjust based on this value.
(compute_argument_block_size): Include pending_stack_adjust in
PREFERRED_STACK_BOUNDARY alignment.
* function.c (assign_parms): Don't round to PREFERRED_STACK_BOUNDARY.
From-SVN: r26623
* function.c: Include hash.h.
(insns_for_mem_entry): New struct.
(put_reg_into_stack): Take an optional hash-table mapping MEMs to
the INSNs that use them.
(fixup_var_refs): Likewise.
(put_addressof_into_stack): Likewise.
(purge_addressof_1): Likewise. Keep the hash-table up to date if
we add new instructions.
(fixup_var_refs_insns): Use it to avoid searching the entire
instruction chain.
(insns_for_mem_newfunc): New function.
(insns_for_mem_comp): Likewise.
(insns_for_mem_walk): Likewise.
(compute_insns_for_mem): Likewise.
(pop_function_context_from): Pass NULL for the hash-table.
(put_var_into_stack): Likewise.
(gen_mem_addressof): Likewise.
(flush_addressof): Likewise.
(purge_addressof): Call compute_insns_for_mem to pre-compute the
hash table.
* Makefile.in (OBJS): Include hash.o.
(function.o): Depend on hash.h.
* Makefile.in (OBJS): Don't mention hash.o.
(OBJDEPS): Likewise.
From-SVN: r25922
* function.c (assign_stack_temp_for_type): Abort
if mode == Blkmode and align is less than
BIGGEST_ALIGNMENT / BITS_PER_UNIT.
(assign_stack_temp_for_type): Round the size parameter
passed to assign_stack_local instead of size itself.
Bootstrapped on the PA and x86.
From-SVN: r25593
* cse.c (dump_class): New function.
(invalidate_memory): Fix typo in comment.
* function.c (temp_slot): Add an alias set field.
(assign_stack_temp): Only reuse slots if they will have the
same alias set as before.
(combine_temp_slots): Don't combine if -fstrict-aliasing;
that's unsafe.
* rtl.c (copy_rtx): Copy all the flags (in particular,
MEM_SCALAR_P).
From-SVN: r25372
* function.c (assign_stack_temp_for_type): Clear best_p
when an exact match is found.
* i386.h (LOCAL_ALIGNMENT): Define.
* function.c (assign_stack_local, assign_outer_stack_local): Use it.
(assign_stack_temp_for_type): New function based on assign_stack_temp.
(assign_stack_temp): Call it.
(assign_temp): Use assign_stack_temp_for_type, not assign_stack_temp.
* stmt.c: Use assign_temp, not assign_stack_temp.
* tm.texi: Document LOCAL_ALIGNMENT.
From-SVN: r25143
* function.c (purge_addressof_1): If the note accesses a mem+addressof
in a wider mode than any replacement, adjust the cached replacement.
Cache trivial substitutions as well.
From-SVN: r24629
* 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
Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
* function.c (purge_addressof_1): Instead of aborting when a
bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
work just put the ADDRESSOF on stack. Otherwise remember all such
successfull replacements, so that exactly the same replacements
can be made on the REG_NOTEs. Remove the special case for CALL
insns again.
(purge_addressof_replacements): New variable.
(purge_addressof): Clear it at end.
From-SVN: r23405
1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
* reorg.c (steal_delay_list_from_target) Check for insns that
modify the condition codes and effect the direction of the jump
in the sequence.
Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
* function.c (purge_addressof_1): Replace call to
emit_insns_before() with emit_insn_before().
From-SVN: r23189
* Makefile.in (flow.o): Depend on recog.h.
* cpplib.h (directive_table): Add missing initializiers.
(finclude): Change type of variable `bsize' to size_t.
* cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
* dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
* fix-header.c (lookup_std_proto): Cast the result of `strlen' to
`int' when comparing against one.
(cpp_file_line_for_message): Mark parameter `pfile' with
ATTRIBUTE_UNUSED.
(cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
* flow.c: Include recog.h.
(sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
* function.c (thread_prologue_and_epilogue_insns): Mark parameter
`f' with ATTRIBUTE_UNUSED.
(reposition_prologue_and_epilogue_notes): Likewise.
* genopinit.c (gen_insn): Cast argument of ctype functions to
`unsigned char'.
* haifa-sched.c: Include recog.h.
(blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
comparing against one.
* libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
* mips-tfile.c (parse_end): Cast the argument of ctype function to
`unsigned char'.
(parse_ent): Likewise.
(parse_input): Likewise.
* optabs.c (init_libfuncs): Likewise.
* protoize.c (find_rightmost_formals_list): Likewise.
* recog.h (const_double_operand): Fix typo in prototype.
* tlink.c (scan_linker_output): Cast the argument of ctype
function to `unsigned char'.
* toplev.c (check_lang_option): Cast the result of `strlen' to
`int' when comparing against one.
From-SVN: r23155
* function.c (purge_addressof_1): Fix typo in inequality: do
bitfield optimization for equal mode sizes.
* expmed.c (store_bit_field): Don't take subregs of subregs in
the movstrict case. Tidy a potential problem in the multi-word case.
(extract_bit_field): Likewise.
From-SVN: r23066
* flow.c: Update comment.
(notice_stack_pointer_modification): New static function.
(record_volatile_insns): Use it.
(mark_regs_live_at_end): Mark the stack pointer as alive
at the end of the function if current_function_sp_is_unchanging
is set.
(life_analysis_1): Set current_function_sp_is_unchanging.
* function.c: Define it.
(init_function_start): Initialize it.
* output.h: Declare it.
* reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
the stack pointer as alive at the end of the function if
current_function_sp_is_unchanging is set.
* i386.c (ix86_epilogue): Optimize the restoring
of the stack pointer.
From-SVN: r23009
* expmed.c (store_bit_field): Pun non-integral str_rtx modes.
Take extra care for op0 now possibly being a subreg.
(extract_bit_field): Likewise.
* function.c (purge_addressof_1): Revert Oct 4 change. Drop
the reg to memory if there is no equal sized integral mode.
* stor-layout.c (int_mode_for_mode): New function.
* machmode.h: Prototype it.
From-SVN: r22962
* function.c (gen_mem_addressof): If the address REG is
REG_USERVAR_P make the new REG be so also.
* loop.c (scan_loop): Apply DeMorgan's laws and add documentation
in an attempt to clarify slightly.
From-SVN: r22667
* reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
it to update bb boundaries. Update caller.
* function.c (reposition_prologue_and_epilogue_notes): Update
bb boundaries wrt the moved note.
From-SVN: r22507
* combine.c (make_extraction): If no mode is specified for
an operand of insv, extv, or extzv, default it to word_mode.
(simplify_comparison): Similarly.
* expmed.c (store_bit_field): Similarly.
(extract_bit_field): Similarly.
* function.c (fixup_var_regs_1): Similarly.
* recog.c (validate_replace_rtx_1): Similarly.
* mips.md (extv, extzv, insv expanders): Default modes for most
operands. Handle TARGET_64BIT.
(movdi_uld, movdi_usd): New patterns.
From-SVN: r22439
