* calls.c (emit_call_1): Mark parameter `stack_size' with
ATTRIBUTE_UNUSED.
(expand_call): Initialize variable `insn'.
(emit_library_call): Likewise for variable `high_to_save'.
(emit_library_call_value): Likewise.
(store_one_arg): Likewise for variables `lower_bound' and
`upper_bound'.
* combine.c (try_combine): Likewise for variables `i2_code_number'
and `other_code_number'.
(find_split_point): Likewise for variables `pos', `unsignedp' and
`inner'.
(simplify_if_then_else): Likewise for variables `op' and `c1'.
(simplify_and_const_int): Remove unused variable `width'.
(merge_outer_ops): Likewise.
* cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
HOST_WIDE_INT' when comparing against one.
(simplify_relational_operation): Likewise.
(cse_insn): Initialize variables `src_eqv_volatile',
`src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
* final.c (init_final): Constify parameter `filename'.
(final_start_function): Mark parameter `optimize' with
ATTRIBUTE_UNUSED.
(profile_function): Likewise for parameters `first' and `optimize'.
(output_source_line): Likewise for parameter `file'.
* integrate.c (subst_constants): Cast a value to `size_t' when
comparing against one.
(mark_stores): Initialize variable `mode'. Cast a value to
`size_t' when comparing against one.
* integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
* loop.c (move_movables): Initialize variable `first'.
(strength_reduce): Likewise for variable `increment'.
(check_dbra_loop): Likewise for variable `comparison_val'. Cast a
value to `size_t' when comparing against one.
(load_mems): Initialize variable `end_label'.
* output.h (init_final): Constify parameter.
* reload.c (decompose): Initialize variable `base'.
* reload1.c (reload): Likewise for variable `is_scalar'.
(spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
(choose_reload_regs): Initialize variable `mode'.
(emit_reload_insns): Likewise for variable `store_insn'.
(reload_cse_noop_set_p): Mark parameter `insn' with
ATTRIBUTE_UNUSED.
(reload_combine): Initialize variable `set'.
* unroll.c (unroll_loop): Likewise for variable `local_label'.
(copy_loop_body): Cast a value to `size_t' when comparing against
one.
* varasm.c (assemble_variable): Initialize variable `size_tree'.
(const_hash): Add an `else abort()' in an if-else-if-else sequence.
(remove_from_pending_weak_list): Mark parameter `name' with
ATTRIBUTE_UNUSED.
From-SVN: r28860
* cplus-dem.c (gnu_special): Cast a `size_t' to `long' when
comparing against a signed quantity.
(arm_special): Likewise.
(demangle_fund_type): Likewise.
(do_hpacc_template_const_value): Mark parameter `work' with
ATTRIBUTE_UNUSED.
(main): Constify variable `valid_symbols'.
From-SVN: r28859
* loop.c (strength_reduce): Automatically unroll loops if the
unrolled loop size is smaller than the rolled loop size.
Co-Authored-By: Jeffrey A Law <law@cygnus.com>
From-SVN: r28841
* gcse.c (find_avail_set): Follow chains of register-register copies.
Use oprs_not_set_p to guarantee that the returned value can be
substituted.
(cprop_insn): Don't verify the return value of find_avail_set with
oprs_not_set_p.
From-SVN: r28835
* gcse.c (cprop_jump): New function, broken out of cprop_insn.
(cprop_cc0_jump): New function.
(cprop_insn): Break out new function cprop_jump and use it.
Also use cprop_cc0_jump for machines with CC0.
(cprop): Don't crash if cprop_insn turned the insn into a NOTE.
From-SVN: r28834
* Makefile.in (PREPROCESSOR_DEFINES): New macro.
(protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
(unprotoize.o): Ditto.
(test-protoize-simple): Don't define STD_PROTO_DIR.
* protoize.c: Use PARAMS rather than PROTO. Minor whitespace
changes to make 'test-protoize-simple' pass.
(STD_PROTO_DIR): Remove define.
(STANDARD_EXEC_PREFIX): Supply default define.
(standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
(target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
(target_version): New variable, init to DEFAULT_TARGET_VERSION.
(GET_ENV_PATH_LIST): New macro.
(default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
(do_processing): Initialize default_syscalls_dir using new
macros. Use it to initialize syscalls_absolute_filename.
Co-Authored-By: Geoff Keating <geoffk@cygnus.com>
From-SVN: r28832
* fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
multiplicand out of (+ (* a b) (* c d)).
From-SVN: r28829
* genattr.c (function_unit_desc): Constify a char*. Add prototype.
(main): Add prototypes.
* genattrtab.c (substitute_address, write_const_num_delay_slots,
attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
(write_attr_get): Emit prototypes along with function definition.
(write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
(write_complex_function): Emit static prototype along with
function definition.
* genemit.c (gen_split): Emit prototypes along with function
definition.
* genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
Likewise for predicates and `insn_operand_predicate'.
(process_template): Emit static prototype along with function
definition.
* genrecog.c (make_insn_sequence): Constify a char*. Add
prototypes for get_split_*().
(write_subroutine): Emit prototypes along with function
definition.
From-SVN: r28822
* noncompile/noncompile.exp: Load_lib c-torture.exp.
(postbase_with_opts): New proc to loop over TORTURE_OPTIONS and
call `postbase' for each one. All callers of `postbase' changed
to call this instead.
From-SVN: r28821
