Age | Commit message (Collapse) | Author | Files | Lines |
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an UNSPEC / UNSPEC_VOLATILE.
* rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
for the parts of an UNSPEC / UNSPEC_VOLATILE.
From-SVN: r27720
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* flow.c (flow_delete_insn): If we delete a CODE_LABEL, also remove
it from the nonlocal_goto_handler_labels list.
* jump.c (delete_insn): Likewise.
(jump_optimize_1): Also recompute LABEL_NUSES when we are just
marking labels.
* rtl.h (remove_node_from_expr_list): Declare.
* rtlanal.c (remove_node_from_expr_list): New function.
From-SVN: r26361
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* recog.h (insn_outfun, insn_operand_predicate): Add prototype
arguments.
* rtl.h (note_stores): Likewise.
* rtlanal.c (note_stores): Likewise.
From-SVN: r26045
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* rtlanal.c (auto_inc_p): New function.
* rtl.h (auto_inc_p): Prototype it.
* reload1.c (add_auto_inc_notes): New function.
(reload): Strip REG_INC notes and call add_auto_inc_notes
for each insn to restore them correctly.
From-SVN: r25774
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* rtl.h (insn_first_p): Don't declare.
* rtlanal.c (insn_first_p): Delete.
* loop.c (loop_insn_first_p): Faster implementation.
From-SVN: r25436
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* loop.c (libcall_other_regs): Make extern.
* rtl.h (find_last_value): Add parameter to prototype.
(libcall_other_reg): Add extern declaration.
* rtlanal.c (find_last_value): Add another parameter to allow
a definition using a hardware register to be found as well.
From-SVN: r25378
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* rtlanal.c (insn_first_p): Fix return value for insn == reference.
* loop.c (strength_reduce, check_final_value, check_dbra_loop):
Use loop_insn_first_p.
From-SVN: r25321
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* rtlanal.c (for_each_rtx): Fix declaration to conform to GNU
coding standards.
From-SVN: r25125
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From-SVN: r24987
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From-SVN: r24896
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* rtl.h (insn_first_p): Declare.
* rtlanal.c (insn_first_p): New function.
* loop.h (varray.h): Include.
(struct induction): Change combined_with to unsigned.
New members derived, ix and last_use.
(reg_iv_type, reg_iv_info): Now varray_type. All references changed.
(REG_IV_TYPE, REG_IV_INFO): Define.
(first_increment_giv, last_increment_giv): Declare.
* loop.c (loop_number_loop_cont): New static variable.
(loop_number_cont_dominator): Likewise.
(reg_iv_type, reg_iv_info): Now varray_type.
(first_increment_giv, last_increment_giv): New variables.
(compute_luids, verify_dominator, find_life_end): New functions.
(cmp_recombine_givs_stats, recombine_givs): Likewise.
(loop_optimize): Allocate loop_number_loop_cont and
loop_number_cont_dominator. Use compute_luids.
(find_and_verify_loops): Initialize loop_number_loop_cont and
loop_number_cont_dominator.
(strength_reduce): Try to find bivs that can be expressed as givs
of another biv, and to convert biv increments into givs.
Call recombine_givs. Handle derived givs.
(record_biv): New argument location. All callers changed.
(record_giv): Initialize derived and last_use fields.
(basic_induction_var): New argument location. All callers changed.
(combine_givs): Don't combine a DEST_REG giv with a DEST_ADDR giv.
Increment combined_with instead of setting to 1.
* unroll.c (derived_regs): New static variable.
(unroll_loop): Initialize it.
Allocate local_regno according to max_reg_num.
(copy_loop_body): Cope with derived givs.
(find_splittable_givs): Check for Givs made from biv increments.
Set derived_regs for givs.
* Makefile.in (stmt.o, loop.o, unroll.o): Depend on loop.h .
From-SVN: r24889
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From-SVN: r24397
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* rtl.h (multiple_sets): Fix prototype.
* rtlanal.c (multiple_sets): Fix return type.
From-SVN: r24304
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* rtlanal.c (multiple_sets): New function.
* rtl.h (multiple_sets): Declare it.
* local-alloc.c (wipe_dead_reg): Use it.
* global.c (global_conflicts): Likewise.
Should fix the m68k bootstrap problems.
From-SVN: r24283
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* rtlanal.c (regs_set_between_p): New function.
* rtl.h (regs_set_between_p): Prototype it.
* jump.c (jump_optimize): Use it instead of modified_between_p
in the Sep 2 change.
From-SVN: r23888
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* flow.c (life_analysis_1): Do not clobber regs_ever_live after
reload. Never perform rescans of the insn chain after reload.
(propagate_block): Do not delete insn or create new autoinc addressing
modes after reload.
* jump.c (jump_optimize): Unconditionally use the code that was
previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
* reload1.c (reload): When reloading is finished, delete all
REG_DEAD and REG_UNUSED notes.
(emit_reload_insns): Delete all code that was conditional on
PRESERVE_DEATH_INFO_REGNO_P.
(no_longer_dead_regs): Delete variable.
(reload_cse_delete_death_notes): Delete function.
(reload_cse_no_longer_dead): Delete function.
(reload_cse_regs_1): Delete all code to handle deletion of death
notes.
(reload_cse_noop_set_p): Likewise.
(reload_cse_simplify_set): Likewise.
(reload_cse_simplify_operands): Likewise.
(reload_cse_move2add): Likewise.
* reorg.c (used_spill_regs): Delete declaration.
(max_label_num_after_reload): Delete declaration.
(find_dead_or_set_registers): Don't assume that spill regs are
dead at a CODE_LABEL.
* rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
even after reload.
* sched.c (sched_analyze_insn): Likewise.
(update_flow_info): Likewise.
* haifa-sched.c (sched_analyze_insn): Likewise.
(update_flow_info): Likewise.
* tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
* toplev.c (max_label_num_after_reload): Delete variable.
(rest_of_compilation): Don't set max_label_num_after_reload.
Call life_analysis after reload_cse_regs if optimizing.
* config/gmicro/gmicro.h: Delete comment referring to
PRESERVE_DEATH_INFO_REGNO_P.
* config/i386/i386.h: Likewise.
* config/m88k/m88k.h: Likewise.
* config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
* config/sh/sh.h: Likewise.
Accurate REG_DEAD notes after reload.
Co-Authored-By: Jeffrey A Law <law@cygnus.com>
From-SVN: r23120
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* rtl.h: Delete duplicate prototypes. Add some missing
prototypes.
* rtlanal.c: (for_each_rtx): Formatting tweak.
From-SVN: r23069
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* config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
From-SVN: r22396
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CALL insns.
* flow.c (mark_set_1): Recognize multi-register structure return
values in CALL insns.
(mark_used_regs): Likewise.
(count_reg_sets_1): Likewise.
(count_reg_references): Likewise.
* rtlanal.c (note_stores): Likewise.
From-SVN: r22395
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From-SVN: r21855
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�
* cse.c (cse_insn): Enable subsitution inside libcall only for REG,
SUBREG, MEM.
* rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
From-SVN: r21435
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* rtlanal.c (reg_overlap_mentioned_p): Handle STRICT_LOW_PART. If
either argument is CONSTANT_P, then return zero.
* reload.c (reg_overlap_mentioned_for_reload_p): Similarly.
From-SVN: r21005
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* rtlanal.c (find_reg_note): Ignore notes that are not on on
insns of class 'i'.
(find_regno_note): Likewise.
Co-Authored-By: Jeffrey A Law <law@cygnus.com>
From-SVN: r19733
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* Makefile.in (c-lang.o): Depend on c-tree.h, c-lex.h and toplev.h.
(c-lex.o): Depend on output.h.
(c-common.o): Likewise.
(stmt.o): Likewise.
(calls.o): Likewise.
(integrate.o): Depend on toplev.h.
(regclass.o): Depend on output.h.
(final.o): Depend on reload.h.
* c-common.c: Include output.h.
(check_format_info): Remove unused variable `integral_format'.
* c-decl.c (print_lang_decl): Mark parameters `file', `node' and
`indent' with ATTRIBUTE_UNUSED.
(print_lang_type): Likewise.
(maybe_build_cleanup): Likewise for parameter `decl'.
(copy_lang_decl): Likewise for parameter `node'.
* c-lang.c: Include c-tree.h, c-lex.h and toplev.h.
(lang_print_xnode): Mark parameters `file', `node' and `indent'
with ATTRIBUTE_UNUSED.
(lookup_interface): Likewise for parameter `arg'.
(is_class_name): Likewise.
(maybe_objc_check_decl): Likewise for parameter `decl'.
(maybe_objc_comptypes): Likewise for parameters `lhs', `rhs' and
`reflexive'.
(maybe_objc_method_name): Likewise for parameter `decl'.
(build_objc_string): Likewise for parameters `len' and `str'.
* c-lex.c: Include output.h.
* c-lex.h (position_after_white_space): Correct typo in prototype.
* c-tree.h (finish_file, c_expand_start_cond, c_expand_start_else,
c_expand_end_cond, init_iterators): Add prototypes.
* caller-save.c (set_reg_live): Mark parameters `reg' and `setter'
with ATTRIBUTE_UNUSED.
* calls.c: Include output.h.
* cccp.c (pipe_closed): Mark parameter `signo' with
ATTRIBUTE_UNUSED.
* combine.c: Move inclusion of expr.h to after insn-config.h.
* iris6.h (ASM_IDENTIFY_GCC, ASM_IDENTIFY_LANGUAGE): Don't define
as empty, rather define as ((void)0).
* sparc.c (sparc_check_64): Add braces around ambiguous `else'.
Add parentheses around assignment used as truth value.
* cplus-dem.c (squangle_mop_up): Change return type to void.
(internal_cplus_demangle): Remove unused parameter `options'.
All callers changed.
(cplus_demangle_opname): Remove function wide variable `int i' and
replace with `size_t i' at each location where it is used.
(cplus_demangle_opname): change type of `i' from int to size_t.
* cppexp.c (right_shift): Mark parameter `pfile' with
ATTRIBUTE_UNUSED.
* cpphash.c (cpp_lookup): Likewise.
(cpp_hash_cleanup): Likewise.
* cpplib.c (parse_name): Add a prototype and make it static.
(null_underflow): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
(null_cleanup): Likewise for parameters `pbuf' and `pfile'.
(macro_cleanup): Likewise for parameter `pfile'.
(file_cleanup): Likewise.
* cpplib.h (cpp_reader_init, cpp_options_init, cpp_start_read,
cpp_read_check_assertion, skip_rest_of_line): Add prototypes.
* crtstuff.c (force_to_data, __CTOR_LIST__, force_to_data,
__DTOR_END__, __FRAME_END__): Mark with ATTRIBUTE_UNUSED.
* cse.c (cse_check_loop_start): Mark parameter `set' with
ATTRIBUTE_UNUSED.
* dbxout.c (flag_minimal_debug, have_used_extensions,
source_label_number): Move inside macro wrapper check against
defined (DBX_DEBUGGING_INFO) || defined (XCOFF_DEBUGGING_INFO).
* dwarf2out.c (gen_entry_point_die): Hide prototype and definition.
* except.h (doing_eh): Provide prototype.
* expr.c: Move inclusion of expr.h to after insn-config.h.
* final.c: Include reload.h.
(shorten_branches): Cast the first argument of bzero to char *.
* fix-header.c (cpp_print_containing_files): Mark parameter
`pfile' with ATTRIBUTE_UNUSED.
(cpp_fatal): Likewise.
* flow.c (find_basic_blocks_1): Cast the first argument of bzero
to char *.
* genattrtab.c (make_length_attrs): Change the type of variable
`i' from int to size_t.
(zero_fn): Mark parameter `exp' with ATTRIBUTE_UNUSED.
(one_fn): Likewise.
* genextract.c (main): When generating insn-extract.c, mark
variable `junk' with ATTRIBUTE_UNUSED.
* gengenrtl.c (gencode): When generating genrtl.c, cast the first
argument of bzero to char*.
* integrate.c: Include toplev.h.
* libgcc2.c: Wrap `struct exception_table' and
`find_exception_handler' in macro DWARF2_UNWIND_INFO.
* objc/Make-lang.in (objc-act.o): Depend on toplev.h.
* objc/objc-act.c: Include toplev.h.
(lang_print_xnode): Mark parameters `file', `node' and `indent'
with ATTRIBUTE_UNUSED.
(finish_protocol): Likewise for parameter `protocol'.
* output.h (declare_weak): Add prototype.
(decode_reg_name): Don't wrap with TREE_CODE macro.
(assemble_alias): Add prototype.
* regclass.c: Include output.h.
* reload.h (reloads_conflict): Add prototype.
* rtl.h (print_rtl_single, mark_elimiation, reg_class_subset_p,
output_func_start_profiler): Add prototypes.
* rtlanal.c (reg_set_p_1): Mark parameters `x' and `pat' with
ATTRIBUTE_UNUSED.
* scan-decls.c: Include scan.h.
* scan.h (recognized_function, recognized_extern): Add prototypes.
* stmt.c: Include output.h.
* toplev.c (error_for_asm, warning_for_asm): Remove prototypes.
(output_lang_identify): Hide prototype and definition.
(float_signal): Mark parameter `signo' with ATTRIBUTE_UNUSED.
(pipe_closed): Likewise.
* toplev.h (count_error, strip_off_ending, error_for_asm,
warning_for_asm): Add prototypes.
From-SVN: r19712
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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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for details.
* haifa-sched.c: Mirror recent changes from gcc2.
From-SVN: r18984
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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: r17902
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* c-lang.c (finish_file): Bracket declaration of static_ctors,
static_dtors.
* calls.c (expand_call): Bracket declaration of 'rtx_before_call',
'old_stack_arg_under_construction'
(emit_library_call): Bracket declaration of 'upper_bound',
'lower_bound', 'i', 'reg_parm_stack_space'
(emit_library_call_value): Likewise.
(store_one_arg):
* collect2.c: include <unistd.h> when appropriate.
Bracket declaration of 'exportf' and 'full_real_ld_suffix'.
* emit-rtl.c (prev_cc0_setter): Remove unused variable 'link'.
* explow.c (plus_constant_for_output_wide): Remove unused variable
'code'.
(memory_address): Remove unused variable 'orig_x'.
* genattrtab.c (make_canonical): Remove unreferenced label 'cond:'.
(write_const_num_delay_slots): Remove unused variable 'i'.
* genopinit.c (main): Remove unused variables 'dummy', 'insn_ptr'.
(gen_insn): Remove unused variable 'obstack_ptr'.
* libgcc2.c (__bb_exit_func): Remove unused variables 'ret',
'j', 'tmp', 'i'.
(__bb_exit_trace_func): Remove unused variable 'e'.
* optabs.c (expand_binop): remove unused variables 'lhs', 'rhs',
'funexp'.
(expand_unop): Remove unused variable 'funexp'.
(expand_complex_abs): Remove unused variable 'funexp'.
(init_optabs): Bracket declaration of 'j'.
(init_complex_libfuncs): Deleted. Dead static function.
* profile.c (branch_prob): Remove unused variables 'insn', 'dest'.
* reg-stack.c: Fix typo in proto for 'get_asm_operand_lengths'
(reg_to_stack): 'initialized', 'before_function_beg'
explictly type as ints instead of defaulting.
(emit_swap_insn): Remove unused variable 'i2'.
(compare_for_stack_reg): Remove unused variable 'src_note'.
* rtlanal.c (computed_jump_p): Remove unused variable 'computed_jump'.
* sched.c (actual_hazard): Bracket declaration of 'this_cost'.
* stmt.c (add_case_node): Add parens for assignment used as truth.
(all_cases_count): Remove unused variable 'count_high'.
(mark_seen_cases): Remove unused variable 'i'.
(check_for_full_enumeration_handling): Remove unused variable 't'.
Bracket declaration of 'all_values', 'l'.
* tlink.c: Include <stdlib.h>, <unistd.h>, <string.h>/<strings.h>.
* varasm.c (assemble_string): Remove unused variable 'i'.
(immed_double_const): Remove unused variable 'in_current_obstack'.
(immed_real_const_1): Likewise.
(output_constant_pool): Remove unreferenced label 'done'.
(output_constant): Remove unused variable 'x'.
* i386/i386.h (ENCODE_SECTION_INFO): TREE_PUBLIC is an int, not
a string.
* i386/sco5.h (ASM_OUTPUT_ASCII): Add parens for assignment used
as truth.
From-SVN: r17901
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* rtlanal.c (dead_or_set_regno_p): Ignore REG_DEAD notes after
reload completes.
* genattrtab.c (reload_completed): Define.
* m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Remove obsolete
comments.
From-SVN: r17542
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* bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
of the declaration.
* c-decl.c (finish_decl): Use parentheses around && within ||.
* rtl.c: Include stdlib.h.
(read_skip_spaces): Add parentheses around assignments used as
truth values.
(read_rtx): Initialize list_rtx.
* cppexp.c (parse_number): Use || when operands are truth values.
* alias.c (find_base_value): Add default case.
(memrefs_conflict): Likewise.
* combine.c (sets_function_arg_p): Likewise.
* genemit.c (gen_exp): Likewise.
* local-alloc.c (contains_replace_regs): Likewise.
* rtlanal.c (jmp_uses_reg_or_mem): Likewise.
* fold-const.c (fold_convert): Use "&&" for truth values.
(fold): Add default case.
* sdbout.c (sdbout_field_types): Fix typo in declaration.
(sdbout_one_type): Add default case.
* alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
(some_operand): Add default case.
(input_operand): Likewise.
(signed_comparison_operator): Likewise.
(divmod_operator): Likewise.
(alpha_set_memflags_1): Likewise.
* reload1.c (reload_cse_simplify_operands): Ensure function
always returns a value.
* scan-decls.c (scan_decls): Likewise.
* c-lex.c (skip_white_space): Fix typo in declaraion.
* c-typeck.c (comp_target_types): Add parentheses around assignment
used as truth value.
(print_spelling): Likewise.
(constructor_implicit, constructor_result): Remove unused variables.
* collect2.c (scan_library): Protect prototype with
#ifdef SCAN_LIBRARIES.
* emit-rtl.c (find_line_note): Fix typo in declaration.
* final.c (asm_insn_count): Protect prototype with
#ifdef HAVE_ATTR_length.
* flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
(try_pre_increment_1, try_pre_increment): Likewise.
* regclass.c (auto_inc_dec_reg_p): Protect prototype with
#ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
* gcov-io.h (__store_long, __write_long, __read_long): Fix
unsigned/signed comparisons.
* gcov.c (read_files): Remove unused "first_type" variable.
(scan _for_source_files): Initialize s_ptr.
(function_summary): Eliminate "%lf" formatting, use %ld for
longs.
(output_data): Initialize branch_probs and last_line_num.
Eliminate "%lf" formatting, use "%ld" for longs.
Co-Authored-By: Jeffrey A Law <law@cygnus.com>
From-SVN: r17158
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From-SVN: r16278
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* rtlanal.c (jmp_uses_reg_or_mem): Fix typo in last change.
Fixes various bootstrap problems (hopefully).
From-SVN: r15667
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* jump.c (jmp_uses_reg_or_mem): Deleted unused function.
(find_basic_blocks): Use computed_jump_p to determine if a
particular JUMP_INSN is a computed jump.
* reg-stack.c (find_blocks): Use computed_jump_p to determine
if a particular JUMP_INSN is a computed jump.
* rtlanal.c (jmp_uses_reg_or_mem): New function.
(computed_jump_p): Likewise.
* rtl.h (computed_jump_p): Declare.
* genattrtab.c (pc_rtx): Define and initialize.
* loop.c (loop_optimize): Always determine if the current
function has a computed jump.
(indirect_jump_in_function_p): Use computed_jump_p to determine
if a particular JUMP_INSN is a computed jump.
General (and haifa) cleanups.
From-SVN: r15615
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From-SVN: r12390
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From-SVN: r11935
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From-SVN: r11507
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From-SVN: r10432
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From-SVN: r10070
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From-SVN: r9964
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From-SVN: r7983
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From-SVN: r7383
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(reg_referenced_between_p, reg_set_p, dead_or_set_regno_p): Likewise.
(find_reg{,no}_fusage): New functions.
From-SVN: r7235
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avoid invalid sharing.
From-SVN: r6253
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From-SVN: r5803
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register.
* rtlanal.c: (rtx_unstable_p): HARD_FRAME_POINTER_REGNUM is not
an unstable register.
(rtx_varies_p, case REG): hard_frame_pointer_rtx is invariant.
(rtx_addr_can_trap_p, case REG): hard_frame_pointer_rtx won't trap.
From-SVN: r5465
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(modified_in_p): New function.
(refers_to_regno_p): If setting AP, FP, or SP, we clobber the virtual
registers.
From-SVN: r5267
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mentions REGNO explicitly.
From-SVN: r3929
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From-SVN: r3311
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From-SVN: r2449
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