* regmove.c (discover_flags_reg): Remove cc0 code.
(mark_flags_life_zones) [HAVE_cc0]: Force use of cc0; bail if
a potential flags register was identified.
From-SVN: r25341
* regmove.c (discover_flags_reg): New function.
(flags_set_1, mark_flags_life_zones): New functions.
(regmove_optimize): Call them.
(fixup_match_1): Use insn modes rather than sets_cc0_p.
From-SVN: r25332
* regmove.c (optimize_reg_copy_1): Undo Aug 18 change. Update
REG_N_CALLS_CROSSED and REG_LIVE_LENGH if and only if we change
where a register is live.
From-SVN: r24718
* alias.c (record_alias_subset): Remove ignored `&'.
(init_alias_once): Likewise.
* c-lex.c (UNGETC): Cast first argument of comma expression to void.
* config/mips/mips.c (mips_asm_file_end): Cast the result of
fwrite to `int' when comparing against one.
* config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
(INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
* cse.c (rehash_using_reg): Change type of variable `i' to
unsigned int.
* dwarf2out.c (initial_return_save): Cast -1 to unsigned before
assigning it to one.
* except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
* final.c (final_scan_insn): Likewise for variable `i'.
(output_asm_insn): Cast a char to unsigned char when used as an
array index.
* gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
assigning it to one.
* loop.c (strength_reduce): Remove unused variables `count' and `temp'.
* recog.c (preprocess_constraints): Cast a char to unsigned char
when used as an array index.
* regmove.c (find_matches): Likewise.
* reload1.c (calculate_needs): Add default case in switch.
(eliminate_regs_in_insn): Initialize variable `offset'.
(set_offsets_for_label): Change type of variable `i' to unsigned.
(reload_as_needed): Wrap variable `i' in macro check on
AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
* scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
when comparing against one.
* stor-layout.c (layout_decl): Cast maximum_field_alignment to
unsigned when comparing against one. Likewise for
GET_MODE_ALIGNMENT().
(layout_record): Cast record_align to int when comparing against a
signed value.
(layout_type): Cast TYPE_ALIGN() to int when comparing against a
signed value.
* tree.c (get_identifier): Cast variable `len' to unsigned when
comparing against one.
(maybe_get_identifier): Likewise
From-SVN: r24403
* recog.h (enum op_type): Define.
(constrain_operands): Adjust prototype.
(recog_op_type): Declare new variable.
* recog.c (recog_op_type): New variable.
(insn_invalid_p): Allow modifying an asm statement after reload.
(extract_insn): Set up recog_op_type.
(constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
Don't compute operand types, use recog_op_type.
Use the information computed by extract_insn instead of the previous
method of finding it by insn code number.
* caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
* reorg.c (fill_slots_from_thread): Likewise.
* reload1.c (reload_as_needed): Likewise.
(gen_reload): Likewise.
(inc_for_reload): Likewise.
(reload_cse_simplify_operands): Likewise.
Use the information computed by extract_insn instead of the previous
method of finding it by insn code number.
* genattrtab.c (write_attr_case): Generate call to extract_insn, not
insn_extract.
* final.c (final_scan_insn): Use extract_insn, not insn_extract.
(cleanup_operand_subregs): Use extract_insn, not insn_extract.
Use the information computed by extract_insn instead of the previous
method of finding it by insn code number.
* regmove.c (find_matches): Likewise. Change meaning of the return
value to be nonzero if the optimization can be performed, zero if
not. All callers changed.
Shorten some variable names to fix formatting problems.
(regmove_optimize): Shorten some variable names to fix formatting
problems.
Use the information computed by extract_insn instead of the previous
method of finding it by insn code number.
* regclass.c (scan_one_insn): Likewise.
(record_reg_classes): Don't compute operand types, use recog_op_type.
* reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
recog_constraints instead.
From-SVN: r23529
* regmove.c (regclass_compatible_p): New function.
(regmove_optimize): Use it.
Use NREGS parameter insted of calling max_reg_num.
(fixup_match_1): Don't use code = MINUS when later tieing with
a hard register is likely.
From-SVN: r22052
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* recog.c (validate_replace_rtx_group): New function.
* recog.h (validate_replace_rtx_group): Declare it.
* regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
the entire group of substitutions.
From-SVN: r21910
* alias.c: Include toplev.h
* caller-save.c: Include toplev.h
* combine.c: Include toplev.h
* flow.c Include toplev.h
* global.c: Include toplev.h
* jump.c: Include toplev.h
* local-alloc.c: Include toplev.h
* loop.c: Include toplev.h
* regmove.c: Include toplev.h
* stupid.c: Include toplev.h
* unroll.c: Include toplev.h
* Makefile.in: Add toplev.h dependencies.
From-SVN: r20623
* Makefile.in (c-lang.o): Depend on output.h.
* c-lang.c: Include output.h.
* sparc.c (sparc_builtin_saveregs): Remove unused variable `fntype'.
* except.c (expand_builtin_eh_stub): Likewise for variable `jump_to'.
* genrecog.c (write_subroutine): When writing insn-recog.c, mark
variables `insn', `pnum_clobbers', `x[0 .. max_depth]' and `tem'
with ATTRIBUTE_UNUSED.
* regmove.c (copy_src_to_dest): Make function static to match its
prototype.
* reload1.c Include hard-reg-set.h before rtl.h to get macro
HARD_CONST. Include machmode.h before hard-reg-set.h.
* rtl.h: Prototype `retry_global_alloc' and wrap with macro
HARD_CONST to protect usage of typedef HARD_REG_SET.
* tree.c: Prototype `_obstack_allocated_p'.
* varasm.c: Wrap prototype of `asm_output_aligned_bss' in macro
BSS_SECTION_ASM_OP.
From-SVN: r20556
* basic-block.h (compute_preds_succs): Change return type in
prototype to void.
* flow.c (compute_preds_succs): Likewise in function definition.
* regmove.c (find_matches): Cast char used as array index to unsigned char
to supress warning.
From-SVN: r18508
* c-aux-info.c: Include string.h/strings.h.
* pa.c: Include stdlib.h.
(pa_combine_instructions): Prototype the function.
(pa_can_combine_p, forward_branch_p, shadd_constant_p): Likewise.
(reloc_needed): Add default case for enumeration switch.
(remove_useless_addtr_insns): Remove unused variable `all'.
(hppa_expand_prologue): Add explicit braces to avoid
ambiguous `else'.
(output_function_epilogue): Remove unused variable `i'.
(output_millicode_call): Remove unused variable `link'.
(shadd_constant_p, forward_branch_p): Make the function static.
(following_call): Explicitly declare to return int.
(pa_reorg): Declare as void.
(pa_combine_instructions): Declare as static void. Add
parentheses around && within ||.
* pa.h: Add prototypes for pa_reorg, symbolic_operand,
following_call, function_label_operand, lhs_lshift_cint_operand
and zdepi_cint_p.
* pa.md: Add parentheses around && within ||.
* cppalloc.c: Include stdlib.h.
* cpperror.c (cpp_print_containing_files): Remove unused variable
`i'. Fix format specifier in fprintf.
* cse.c (cse_around_loop): Add explicit braces to avoid
ambiguous `else'.
(delete_dead_from_cse): Wrap variable `tem' in macro HAVE_cc0.
* expr.c (expand_expr): Add parentheses around && within ||.
* final.c (app_enable): Replace fprintf with fputs where there are
no format specifiers and no trailing argument after the string.
Eg, when printing ASM_APP_ON/ASM_APP_OFF.
(app_disable): Likewise.
(final_end_function): Likewise.
(final_scan_insn): Likewise. Remove unused variable `set'.
(profile_function): Wrap empty if-statement body in {} brackets.
* function.c: Include stdlib.h.
(pad_below): Wrap prototype and definition in ARGS_GROW_DOWNWARD.
(reposition_prologue_and_epilogue_notes): Add parentheses
around assignment used as truth value.
* integrate.c (expand_inline_function): Wrap variable
`cc0_insn' in macro HAVE_cc0.
* jump.c (jump_optimize): Wrap variable `q' in macro
HAVE_cc0. Remove unused variable `prev1'.
* libgcc2.c (__bb_exit_trace_func): Add parentheses around &&
within ||. Fix format specifier in fprintf.
(__bb_init_prg): Add parentheses around assignment used as
truth value.
* local-alloc.c: Include stdlib.h.
(requires_inout): Add parentheses around assignment used
as truth value.
* loop.c (analyze_loop_iterations): Wrap prototype and definition
in macro HAVE_decrement_and_branch_on_count.
(insert_bct, instrument_loop_bct): Likewise.
(move_movables): Add parentheses around assignment used as
truth value.
(consec_sets_invariant_p): Likewise.
(maybe_eliminate_biv_1): Wrap variable `new' in macro HAVE_cc0.
* objc/objc-act.c: Include stdlib.h.
(lookup_method_in_protocol_list): Wrap empty else-statement body
in braces.
(lookup_protocol_in_reflist): Likewise.
(objc_add_static_instance): Remove unused variables `decl_expr'
and `decl_spec'.
(get_objc_string_decl): Remove unused variable `decl'.
(generate_static_references): Remove unused variables `idecl' and
`instance'.
(check_protocols): Wrap empty else-statement body in braces.
* protoize.c: Include stdlib.h.
(substr): Add parentheses around assignment used as truth value.
(abspath): Likewise.
(shortpath): Likewise.
* regmove.c (fixup_match_1): Add parentheses around assignment
used as truth value.
* reload.c (push_secondary_reload): Remove unused variable `i'.
(find_reloads): Add parentheses around assignment used as truth
value.
* reload1.c: Include stdlib.h.
* rtl.h: Correct typo in prototype of offsettable_memref_p.
* stmt.c (add_case_node): Add parentheses around assignment used
as truth value.
(case_tree2list): Likewise.
* tree.c (valid_machine_attribute): Wrap variable `decl_attr_list'
in macro VALID_MACHINE_DECL_ATTRIBUTE. Wrap variable
`type_attr_list' in macro VALID_MACHINE_TYPE_ATTRIBUTE.
(merge_attributes): Add explicit braces to avoid ambiguous
`else'.
* unroll.c (copy_loop_body): Wrap variable `cc0_insn' in
macro HAVE_cc0.
* varasm.c: Include stdlib.h.
From-SVN: r18290
* regmove.c: Fix various minor formatting problems.
(optimize_reg_copy_1): Stop search at CALL_INSNs if flag_exceptions
is true. Make end of basic block tests consistent through regmove.c.
(optimize_reg_copy_2, optimize_reg_copy_3): Likewise.
(fixup_match_2, fixup_match_1, regmove_optimize): Likewise.
Co-Authored-By: Jeffrey A Law <law@cygnus.com>
From-SVN: r17775
