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* basic-block.h (life_analysis): Declare here ...
* output.h: ... not here.
* flow.c (life_analysis): Remove nregs parameter; replace
remove_dead_code with flags. Remove ssa dead code check.
Only init alias analysis if we'll use it.
* reg-stack.c (reg_to_stack): Update life_analysis arguments.
* ssa.c (convert_to_ssa): Likewise.
(convert_from_ssa): Likewise.
* toplev.c (rest_of_compilation): Likewise.
From-SVN: r33459
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rtx_equal_function_value_matters is false.
* calls.c (expand_call): Disable tail call generation once
rtx_equal_function_value_matters is false.
* reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
like EDGE_EH edges.
From-SVN: r33431
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From-SVN: r32179
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* reg-stack.c (emit_swap_insn): Do not put a new insn before a
NOTE_BASIC_BLOCK.
From-SVN: r32027
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* Makefile.in (c-common.o): Depend on $(EXPR_H).
* c-common.c: Include expr.h.
* c-pragma.c (mark_align_stack): Add prototype.
* caller-save.c (add_stored_regs): Likewise.
* combine.c (record_promoted_value): Likewise.
* i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
Likewise.
* cppinit.c (new_pending_define): Likewise.
* cpplib.c (skip_block_comment, skip_line_comment): Likewise.
* dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
class_scope_p): Likewise.
* dwarf2out.h (dwarf2out_set_demangle_name_func,
dwarf2out_add_library_unit_info): Likewise.
* ggc.h (ggc_page_print_statistics): Likewise.
* haifa-sched.c (propagate_deps): Likewise.
* reg-stack.c (next_flags_user, record_label_references): Likewise.
* rtl.h (set_stack_check_libfunc): Likewise.
* toplev.h (set_fatal_function): Likewise.
* toplev.c (set_fatal_function): Delete prototype.
* diagnostic.c: Deconstify functions returning malloc'ed ptrs.
From-SVN: r31810
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* flow.c (find_basic_blocks): Remove do_cleanup argument.
Break out that code ...
(cleanup_cfg): ... here.
(commit_one_edge_insertion): Detect a return instruction being
emitted to an edge. Emit a barrier following; clear fallthru.
(commit_edge_insertions): Verify CFG consistency.
* function.c (expand_function_start): Kill unused variable.
(expand_function_end): Likewise.
(thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
to insert the epilogue.
* gcse.c (gcse_main): Adjust for find_basic_blocks change.
(delete_null_pointer_checks): Likewise.
* output.h: Likewise.
* reg-stack.c (reg_to_stack): Likewise.
* toplev.c (rest_of_compilation): Likewise. Run
thread_prologue_and_epilogue_insns after rebuilding the CFG.
From-SVN: r31676
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* reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
dead registers.
From-SVN: r31588
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* print-rtl.c: PROTO -> PARAMS.
* real.c: Likewise.
* reg-stack.c: Likewise.
* resource.c: Likewise.
* sdbout.h: Likewise.
* simplify-rtx.c: Likewise.
* stor-layout.c: Likewise.
* stupid.c: Likewise.
* xcoffout.c: Likewise.
* xcoffout.h: Likewise.
From-SVN: r31463
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* reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
dead registers.
* i386.c (movsf splitter): Fix typo in my last checkin.
From-SVN: r31256
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* builtins.c (expand_builtin_strlen): Initialize variable `icode'.
* calls.c (expand_call): Likewise for
`old_stack_arg_under_construction'.
* cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
* function.c (pad_to_arg_alignment): Likewise for `save_var' and
`save_constant'.
* gcc.c (execute): Likewise for `ut' and `st'.
* genattrtab.c (attr_rtx): Likewise for `rt_val'.
* genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
* jump.c (jump_optimize_1): Likewise for `temp2'.
* local-alloc.c (block_alloc): Likewise for `r1'.
* loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
* reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
(subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
* regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
and `set2'.
* reload.c (find_reloads): Likewise for `goal_alternative_number'
and `goal_earlyclobber'.
* scan-decls.c (scan_decls): Likewise for `prev_id_end'.
* sdbout.c (sdbout_one_type): Likewise for `member_scl'.
* stupid.c (stupid_life_analysis): Likewise for `chain'.
* unroll.c (copy_loop_body): Likewise for `copy'.
* varasm.c (output_constructor): Likewise for `byte'.
ch:
* actions.c (update_else_range_for_int_const): Initialize
variables `lowval' and `highval'.
(update_else_range_for_range): Likewise for `low_range_val' and
`high_range_val'.
cp:
* class.c (warn_hidden): Initialize variable `fndecl'.
From-SVN: r31207
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when needed.
* reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
operations when needed.
* i386.md (fop_?f_comm): New.
(fop_?f_1): Do not accept commutative operands.
From-SVN: r30664
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* local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
(update_equiv_regs): Likewise.
(block_alloc): Likewise.
* reg-stack.c (reg_to_stack): Likewise.
(convert_regs_2): Likewise.
* reload1.c (reload_as_needed): Likewise.
From-SVN: r30434
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an EH edge.
* reg-stack.c (convert_regs_1): Initialize target_stack->top
after verifying an EH edge.
From-SVN: r30402
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* function.c (diddle_return_value): New.
(expand_function_end): Use it.
* stmt.c (expand_null_return): Likewise.
(expand_value_return): Likewise.
* reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
* reload1.c (reload): Don't remove return value clobbers.
From-SVN: r30401
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From-SVN: r30336
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From-SVN: r30271
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rebuild the CFG.
* jump.c (jump_optimize_1): If we did cross-jumping, and
the data will matter, rebuild the CFG.
* reg-stack.c (reg_to_stack): Only (re)build the CFG if
not optimizing. Don't run shorten_branches.
* toplev.c (rest_of_compilation): Run shorten_branches after
reg_to_stack.
From-SVN: r30223
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Co-Authored-By: Richard Henderson <rth@cygnus.com>
From-SVN: r30201
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* reg-stack.c (stack_result): Aggregates are not returned in
stack registers.
From-SVN: r30081
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* c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
call it.
* reg-stack.c (straighten_stack): Copy hard reg set with
COPY_HARD_REG_SET.
From-SVN: r29694
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use this)
From-SVN: r29514
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From-SVN: r29349
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From-SVN: r29150
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From-SVN: r29044
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* rtl.h (rtx_format): Constify a char*.
* rtl.c (rtx_format): Likewise.
(copy_rtx, copy_most_rtx, read_rtx): Likewise.
(init_rtl): Use accessor macro, not `rtx_format'.
* alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
char*.
* caller-save.c (mark_referenced_regs): Likewise.
* combine.c (subst, make_compound_operation, known_cond,
gen_rtx_combine, update_table_tick, get_last_value_validate,
use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
* cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
refers_to_p, canon_reg, fold_rtx, cse_process_notes,
count_reg_usage): Likewise.
* emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
Likewise.
* final.c (leaf_renumber_regs_insn): Likewise.
* flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
dump_edge_info, count_reg_references): Likewise.
* function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
Likewise.
* gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
add_label_notes): Likewise.
* genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
clear_struct_flag, count_sub_rtxs, count_alternatives,
compares_alternatives_p, contained_in_p, walk_attr_value,
write_expr_attr_cache): Likewise.
* genconfig.c (walk_insn_part): Likewise.
* genemit.c (max_operand_1, gen_exp): Likewise.
* genextract.c (walk_rtx): Likewise.
* genflags.c (num_operands): Likewise.
* genoutput.c (scan_operands): Likewise.
* genpeep.c (match_rtx): Likewise.
* genrecog.c (add_to_sequence): Likewise.
* haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
Likewise.
* integrate.c (save_constants, copy_for_inline,
copy_rtx_and_substitute, subst_constants, restore_constants):
Likewise.
* jump.c (mark_jump_label, invert_exp, redirect_exp,
rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
* local-alloc.c (contains_replace_regs, memref_referenced_p):
Likewise.
* loop.c (record_excess_regs, rtx_equal_for_loop_p,
add_label_notes, replace_call_address, count_nonfixed_reads,
invariant_p, find_single_use_in_loop, find_mem_givs,
find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
Likewise.
* print-rtl.c (reg_names, print_rtx): Likewise.
* recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
* reg-stack.c (stack_regs_mentioned_p, record_label_references,
record_reg_life_pat, swap_rtx_condition, goto_block_pat,
print_blocks): Likewise.
* regclass.c (fix_register, record_address_regs,
reg_scan_mark_refs): Likewise.
* regmove.c (stable_but_for_p): Likewise.
* reload.c (loc_mentioned_in_p, operands_match_p,
find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
copy_replacements, refers_to_regno_for_reload_p,
refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
reload_when_needed_name, reg_class_names, debug_reload_to_stream):
Likewise.
* reload1.c (eliminate_regs, scan_paradoxical_subregs,
delete_address_reloads_1, count_occurrences,
reload_cse_mem_conflict_p, reload_combine_note_use,
add_auto_inc_notes): Likewise.
* resource.c (mark_referenced_resources, mark_set_resources):
Likewise.
* rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
reg_mentioned_p, regs_set_between_p, modified_between_p,
modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
* sched.c (sched_analyze_2, attach_deaths): Likewise.
* stupid.c (stupid_mark_refs): Likewise.
* unroll.c (remap_split_bivs): Likewise.
* varasm.c (mark_constants): Likewise.
* a29k/a29k.c (uses_local_reg_p): Likewise.
* alpha/alpha.c (summarize_insn): Likewise.
* arm/arm.c (symbol_mentioned_p, label_mentioned_p,
eliminate_lr2ip): Likewise.
* arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
* i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
reg_mentioned_in_mem): Likewise.
* ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
symbolic_reference_mentioned_p): Likewise.
* romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
* sh/sh.c (regs_used, mark_use): Likewise.
* vax/vax.c (vax_rtx_cost): Likewise.
From-SVN: r28784
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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
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* reg-stack.c (change_stack) Fixed problem with negative array index.
From-SVN: r28570
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Mumit Khan <khan@xraylith.wisc.edu>
* reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
From-SVN: r27475
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* reg-stack.c: Do not emit pop insns after cc0 setter.
(emit_pop_insn): Do not emit insn in case WHEN is NULL.
(compare_for_stack_reg): Update REG_DEAD note and
do not emit push insn.
* i386.c: (output_float_compare): Handle new REG_DEAD notes.
From-SVN: r26965
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From-SVN: r26386
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* reg-stack.c: Update comment, include varray.h.
(stack_regs_mentioned_data): New global variable.
(check_stack_regs_mentioned): New function.
(stack_regs_mentioned): New function.
(reg_to_stack): Initialize and free stack_regs_mentioned_data,
use stack_regs_mentioned.
(record_asm_reg_life): Change insn type cache for changed insn.
(record_reg_life): Do not change the insn mode.
(emit_pop_insn): Likewise.
(emit_swap_insn): Likewise.
(move_for_stack_reg): Likewise.
(stack_reg_life_analysis): Use stack_regs_mentioned.
(emit_swap_insn): Likewise.
(subst_stack_regs): Likewise.
(convert_regs): Likewise.
* jump.c (find_cross_jump): Use stack_regs_mentioned.
* rtl.h (stack_regs_mentioned): Declare.
From-SVN: r26360
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splitters.
* i386.md (floatsisf2, floatdisf2, floatsidf2, floatdidf2,
floatsixf2, floatdixf2, movsicc, movhicc, movsfcc, movdfcc,
movxfcc, movdicc): Remove unused register constraints from
the splitters.
* i386.md (fixuns_truncsfsi2, fixuns_truncdfsi2,
fixuns_truncxfsi2): Delete.
* reg-stack.c (delete_insn_for_stacker): Ensure that
the only side effects of a PARALLEL are clobbers.
(subst_stack_regs): Handle subst_stack_regs_pat deleting
a PARALLEL.
* i386.md (extendsfdf2, extenddfxf2,
extendsfxf2): Rewrite using a splitter.
* i386.c (output_op_from_reg): Remove.
* i386.h: Likewise.
From-SVN: r26338
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explicit test for RETURN.
* reg-stack.c (stack_reg_life_analysis): Use returnjump_p
instead of an explicit test for RETURN.
From-SVN: r25652
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From-SVN: r25450
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conditional move is not on the FP register stack.
* reg-stack.c (subst_stack_regs_pat): Abort if the destination
of a FP conditional move is not on the FP register stack.
Forgot to check it in last night/this morning. One should not hack at 4am.
From-SVN: r24716
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* final.c (cleanup_subreg_operands): Delete some unused code.
* recog.h (MAX_RECOG_ALTERNATIVES): New macro.
(struct insn_alternative): New structure definition.
(recog_op_alt): Declare variable.
(preprocess_constraints): Declare function.
* recog.c (recog_op_alt): New variable.
(extract_insn): Verify number of alternatives is in range.
(preprocess_constraints): New function.
* reg-stack.c: Include recog.h.
(constrain_asm_operands): Delete.
(get_asm_operand_lengths): Delete.
(get_asm_operand_n_inputs): New function.
(record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
N_OUTPUTS args. All callers changed.
Compute number of inputs and outputs here by calling
get_asm_operand_n_inputs.
Instead of constrain_asm_operands, call extract_insn,
constrain_operands and preprocess_constaints. Use information
computed by these functions throughout.
(record_reg_life): Delete code that is unused due to changes in
record_asm_reg_life.
(subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
N_INPUTS and N_OUTPUTS args. All callers changed.
Similar changes as in record_asm_reg_life.
(subst_stack_regs): Move n_operands declaration into the if statement
where it's used.
Delete code that is unused due to changes in subst_asm_stack_regs.
* stmt.c (expand_asm_operands): Verify number of alternatives is in
range.
* Makefile.in (reg-stack.o): Depend on recog.h.
From-SVN: r24090
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Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
* flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
* gcc.c (add_preprocessor_option): Correct typo when allocating
memory, sizeof() argument had one too many `*'.
(add_assembler_option): Likewise.
(add_linker_option): Likewise.
* gcov.c (output_data): Likewise.
* local-alloc.c (memref_used_between_p): Likewise.
(update_equiv_regs): Likewise.
* loop.c (strength_reduce): Likewise.
* reg-stack.c (record_asm_reg_life): Likewise.
(subst_asm_stack_reg): Likewise.
* reorg.c (dbr_schedule): Likewise.
From-SVN: r22964
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has a single entry.
* reg-stack.c (straighten_stack): Do nothing if the virtual stack is
empty or has a single entry.
From-SVN: r22376
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destination for conditional move insn.
* reg-stack.c (subst_stack_regs_pat): Make sure the top of
stack is the destination for conditional move insn.
From-SVN: r20324
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Wed May 6 06:35:38 1998 Robert Lipe <robertl@dgii.com>
* toplev.h: New file. Protypes for functions in toplev.c.
* tree.h, rtl.h: Deleted protos for functions in toplev.c.
* c-common.c, c-convert.c, c-decl.c, c-iterate.c, c-lex.c,
c-parse.in, c-parse.y, c-pragma.c, c-typeck.c, calls.c,
convert.c, dwarf2out.c, except.c, expr.c, final.c, fold-const.c,
function.c, hash.c, profile.c, real.c, reg-stack.c, regclass.c,
reload.c, reload1.c, stmt.c, stor-layout.c, tlink.c, tree.c,
varasm.c: include it.
From-SVN: r19564
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* reg-stack.c: Revert last patch (Apr 20).
(convert_regs): Set insn to PREV_INSN (next) after do while loop.
From-SVN: r19437
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generated by this function.
* reg-stack.c (subst_asm_stack_regs): Change to return the last
new insn generated by this function.
(subst_stack_regs): Likewise.
(convert_regs): Record the last newly generated insn and use
it for change_stack () instead of INSN.
From-SVN: r19328
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* varasm.c (asm_output_bss): Add prototype.
(asm_output_aligned_bss): Likewise.
* unroll.c (verify_addresses): Add prototype.
* toplev.c: Add many prototypes. Too many to mention here.
* stmt.c (check_seenlabel): Add prototype.
* rtlanal.c (reg_set_p_1): Add prototype.
(reg_set_last_1): Likewise.
* reorg.c (find_dead_or_set_registers): Add prototype.
* regmove (try_auto_increment): Add prototype.
* regstack.c (pop_stack): Add prototype.
From-SVN: r19254
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* reg-stack.c (constrain_asm_operands): Set n_alternatives to zero if
no operands.
From-SVN: r19236
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for details.
* haifa-sched.c: Mirror recent changes from gcc2.
From-SVN: r18984
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* basic-block.h (basic_block_computed_jump_target): Declare.
* flags.h: (current_function_has_computed_jump): Declare.
* flow.c: (basic_block_computed_jump_target): Define.
(flow_analysis): Allocate it. Set current_function_has_computed_jump
to 0.
(find_basic_blocks): Set current_function_has_computed_jump and
elements of basic_block_computed_jump_target to 1 as appropriate.
* function.c: (current_function_has_computed_jump): Define.
* global.c (global_conflicts): Don't allocate pseudos into stack regs
at the start of a block that is reachable by a computed jump.
* reg-stack.c (stack_reg_life_analysis): If must restart, do so
immediately.
(subst_stack_regs): Undo change from Sep 4 1997.
(uses_reg_or_mem): Now unused, deleted.
* stupid.c (stupid_life_analysis): Compute
current_function_has_computed_jump.
(stupid_find_reg): Don't allocate stack regs if the function has a
computed goto.
* haifa-sched.c (is_cfg_nonregular): Delete code to determine if
the current function has a computed jump. Use the global value
instead.
Co-Authored-By: Jeffrey A Law <law@cygnus.com>
From-SVN: r18860
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* Makefile.in (alias.o, bitmap.o, c-aux-info.o, c-common.o,
c-decl.o, c-iterate.o, c-lang.o, c-lex.o, c-pragma.o, c-typeck.o,
caller-save.o, calls.o, collect2.o, combine.o, cse.o, dbxout.o,
dwarf2out.o, dwarfout.o, emit-rtl.o, except.o, explow.o, expmed.o,
expr.o, final.o, flow.o, function.o, getpwd.o, global.o,
integrate.o, jump.o, local-alloc.o, loop.o, optabs.o, pexecute.o,
prefix.o, print-rtl.o, print-tree.o, profile.o, real.o, recog.o,
reg-stack.o, regclass.o, regmove.o, reload.o, reload1.o, reorg.o,
rtl.o, rtlanal.o, sdbout.o, stmt.o, stor-layout.o, stupid.o,
tlink.o, toplev.o, tree.o, unroll.o, varasm.o, xcoffout.o): Depend
on system.h.
* alias.c, bitmap.c, c-aux-info.c, c-common.c, c-decl.c,
c-iterate.c, c-lang.c, c-lex.c, c-pragma.c, c-typeck.c,
caller-save.c, calls.c, collect2.c, combine.c, cse.c, dbxout.c,
dwarf2out.c, dwarfout.c, emit-rtl.c, except.c, explow.c, expmed.c,
expr.c, final.c, flow.c, function.c, gcc.c, getpwd.c, global.c,
integrate.c, jump.c, local-alloc.c, loop.c, optabs.c, pexecute.c,
prefix.c, print-rtl.c, print-tree.c, profile.c, real.c, recog.c,
reg-stack.c, regclass.c, regmove.c, reload.c, reload1.c, reorg.c,
rtl.c, rtlanal.c, sched.c, sdbout.c, stmt.c, stor-layout.c,
stupid.c, tlink.c, toplev.c, tree.c, unroll.c, varasm.c,
xcoffout.c: Include system.h. Organize include ordering so
that stdarg/varargs comes before other system headers. Remove
spurious casts of functions assured of a prototype in system.h.
From-SVN: r18726
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From-SVN: r18723
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In gcc/:
* i386.h (RTX_COSTS): Insert braces around nested if.
(ADDITIONAL_REGISTER_NAMES): Insert braces around structured
elements.
* gcc.c (default_compilers): Properly put brackets around array elements in
initializer.
* getopt.c (_getopt_internal): Add explicit braces around nested if;
reformatted.
* reg-stack.c (record_asm_reg_life): Add explicit braces around nested if's.
(record_reg_life_pat): Add explicit parens around && and || in expression.
(stack_reg_life_analysis): Add parens around assignment used as expression.
(convert_regs): Likewise.
In gcc/cp/:
* lang-specs.h: Properly put brackets around array elements in initializer.
* typeck.c (build_binary_op_nodefault): Correctly place parens around
&& and || in expression.
In gcc/f/:
* lang-specs.h: Properly put brackets around array elements in initializer.
From-SVN: r18500
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From-SVN: r17902
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