PR target/50887
* config/avr/avr.opt (-maccumulate-args): New option.
* config/avr/avr.h (STARTING_FRAME_OFFSET): Redefine to
avr_starting_frame_offset.
(ACCUMULATE_OUTGOING_ARGS): Define to avr_accumulate_outgoing_args.
* config/avr/avr.md (UNSPECV_WRITE_SP_IRQ_ON): Remove.
(UNSPECV_WRITE_SP_IRQ_OFF): Remove.
(UNSPECV_WRITE_SP): New constant.
(*addhi3_sp_R): Rewrite to...
(*addhi3_sp): ...this new insn.
(movhi_sp_r_irq_off, movhi_sp_r_irq_on): Combine to...
(movhi_sp_r): ...this new insn.
* config/avr/avr-protos.h (avr_accumulate_outgoing_args): New.
(avr_starting_frame_offset): New.
* config/avr/avr.c (avr_accumulate_outgoing_args): New function.
(avr_starting_frame_offset): New function.
(avr_outgoing_args_size): New static function.
(avr_initial_elimination_offset): Use it.
(avr_simple_epilogue): Use it.
(avr_asm_function_end_prologue): Use it.
(expand_epilogue): Use it.
(expand_prologue): Use it. Break out code to...
(avr_prologue_setup_frame): ...this new static function.
(avr_can_eliminate): Allow eliminating to frame pointer if there
is one.
(avr_frame_pointer_required_p): Use frame pointer if target has a
nonlocal label.
* config/avr/constraints.md (R): Remove.
(Csp): New constraint.
* config/avr/predicates.md (avr_sp_immediate_operand): Use it.
From-SVN: r180654
* config/avr/avr.c: Break long lines.
Define target hooks on the fly if applicable.
(TARGET_ASM_FUNCTION_RODATA_SECTION): Remove first definition
overridden later.
(targetm): Move definition to end of file.
(avr_can_eliminate): Make static on the fly.
(avr_frame_pointer_required_p): Ditto.
(avr_hard_regno_scratch_ok): Ditto.
(avr_builtin_setjmp_frame_value): Make static on the fly.
Indent according to coding rules.
(avr_case_values_threshold): Ditto.
(avr_attribute_table): Move down.
From-SVN: r180371
* config/avr/avr.h (LEGITIMIZE_RELOAD_ADDRESS): Pass address of X
instead of X to avr_legitimize_reload_address.
* config/avr/avr-protos.h (avr_legitimize_reload_address): Change
first argument's type from rtx to rtx*.
* config/avr/avr.c (avr_legitimize_reload_address): Ditto.
Pass PX to push_reload instead of &X. Change log messages for
better distinction.
From-SVN: r180308
PR target/50447
* config/avr/avr.md (cc): New alternative out_plus_noclobber.
(adjust_len): Ditto.
(addhi3): Don't pipe through short; use gen_int_mode instead.
Prior to reload, expand to gen_addhi3_clobber.
(*addhi3): Use avr_out_plus_noclobber if applicable, use
out_plus_noclobber in cc and adjust_len attribute.
(addhi3_clobber): 2 new RTL peepholes.
(addhi3_clobber): New insn.
* config/avr/avr-protos.h: (avr_out_plus_noclobber): New prototype.
* config/avr/avr.c (avr_out_plus_noclobber): New function.
(notice_update_cc): Handle CC_OUT_PLUS_NOCLOBBER.
(avr_out_plus_1): Tweak if only MSB is +/-1 and other bytes are 0.
Set cc0 to set_zn for adiw on 16-bit values.
(adjust_insn_length): Handle ADJUST_LEN_OUT_PLUS_NOCLOBBER.
(expand_epilogue): No need to add 0 to frame_pointer_rtx.
From-SVN: r180193
PR target/46278
* doc/invoke.texi (AVR Options): Document -mstrict-X.
* config/avr/avr.opt (-mstrict-X): New option.
(avr_strict_X): New variable reflecting -mstrict-X.
* config/avr/avr.c (avr_reg_ok_for_addr_p): Add parameter
outer_code and pass it down to avr_regno_mode_code_ok_for_base_p.
(avr_legitimate_address_p): Pass outer_code to
avr_reg_ok_for_addr_p and use that function in case PLUS.
(avr_mode_code_base_reg_class): Depend on avr_strict_X.
(avr_regno_mode_code_ok_for_base_p): Ditto, and depend on outer_code.
(avr_option_override): Disable -fcaller-saves if -mstrict-X is on.
From-SVN: r179993
PR target/49939
* config/avr/avr.md (*movqi): Rename to movqi_insn.
(*call_insn): Rename to call_insn.
(*call_value_insn): Rename to call_value_insn.
* config/avr/avr.c (avr_2word_insn_p): New static function.
(jump_over_one_insn_p): Use it.
From-SVN: r179843
* config/avr/avr-protos.h (avr_mode_code_base_reg_class): New prototype.
(avr_regno_mode_code_ok_for_base_p): New prototype.
* config/avr/avr.h (BASE_REG_CLASS): Remove.
(REGNO_OK_FOR_BASE_P): Remove.
(REG_OK_FOR_BASE_NOSTRICT_P): Remove.
(REG_OK_FOR_BASE_STRICT_P): Remove.
(MODE_CODE_BASE_REG_CLASS): New define.
(REGNO_MODE_CODE_OK_FOR_BASE_P): New define.
* config/avr/avr.c (avr_mode_code_base_reg_class): New function.
(avr_regno_mode_code_ok_for_base_p): New function.
(avr_reg_ok_for_addr_p): New static function.
(avr_legitimate_address_p): Use it. Beautify.
From-SVN: r179817
PR target/50447
* config/avr/avr.md (cc): Add out_plus attribute alternative.
(addsi3): Use it. Adapt avr_out_plus to new prototype. Use
avr_out_plus for all CONST_INT addends.
* config/avr/avr-protos.h (avr_out_plus): Change prototype.
* config/avr/avr.c (notice_update_cc): Call avr_out_plus on
CC_OUT_PLUS.
(avr_out_plus_1): Change prototype and report effect on cc0.
(avr_out_plus): Ditto.
(adjust_insn_length): Adapt call to avr_out_plus to new prototype.
From-SVN: r179816
PR target/50566
* config/avr/avr-protos.h (avr_log_t): New field address_cost.
* config/avr/avr.c (avr_address_cost): Use it.
* config/avr/avr-log.c (avr_log_set_avr_log): Initialize it.
(avr_log_vadump): Unknown %-codes finish printing.
From-SVN: r179391
PR target/50566
* config/avr/avr-log.c (avr_log_vadump): Use %b to print bool.
* config/avr/avr.c (avr_rtx_costs_1): New static function, renamed
from avr_rtx_costs.
(avr_legitimate_address_p): Use avr_edump to print log information
filtered by avr_log.
(extra_constraint_Q): Ditto.
(avr_legitimize_address): Ditto.
(avr_rtx_costs): Ditto. Rewrite as wrapper for avr_rtx_costs_1.
(final_prescan_insn): Use avr_log.rtx_costs as filter.
From-SVN: r179359
* config/avr/avr.md (ashrqi3): Split alternative "n"
into its remaining parts C03, C04, C05, C06, C07 and describe
impact in CC by attribute "cc" appropriately.
* config/avr/avr.c (notice_update_cc): Clean-up: Don't patch CC0
by digging RTX.
From-SVN: r179241
* config/avr/avr.md (peephole casesi+2): Use -1 instead of 65536.
* config/avr/avr.c (avr_out_compare): Print shorter sequence for
EQ/NE comparisons against +/-1 in the case of unused-after,
non-ld-regs target.
From-SVN: r179206
* config/avr/avr-protos.h (output_reload_inhi): Change prototype.
* config/avr/avr.md (adjust_len): Add "reload_in16" alternative.
(*reload_inhi): Use it. Adapt call to output_reload_inhi to new
prototype.
(*movhi): Split constraint alternative "r,rL" into "r,r" and "r,L".
* config/avr/avr.c: Rename output_reload_insisf_1 to
output_reload_in_const.
(avr_popcount_each_byte): Handle SFmode, too.
(output_reload_in_const): Change so it can handle HI loads, too.
Use avr_popcount_each_byte to work out if scratch register must be
created on the fly.
(output_reload_inhi): Rewrite using output_reload_in_const and...
(output_movhi): ...use it to print constants' loads.
(adjust_insn_length): New case ADJUST_LEN_RELOAD_IN16. Cleanup code.
From-SVN: r179181
PR target/50447
* config/avr/avr.md: (adjust_len): Add alternative "out_plus".
(addsi3): Rewrite using QI scratch register. Adjust text
peepholes using plus:SI.
(*addsi3_zero_extend.hi): New insn.
(*subsi3_zero_extend.hi): New insn.
(*subhi3_zero_extend1): Set attribute "cc" to "set_czn".
(*subsi3_zero_extend): Ditto.
(subsi3): Change predicate #2 to register_operand.
* config/avr/avr-protos.h (avr_out_plus): New prototype.
(avr_out_plus_1): New static function.
(avr_out_plus): New function.
(adjust_insn_length): Handle ADJUST_LEN_OUT_PLUS.
From-SVN: r179123
PR target/45099
* config/avr/avr.c (avr_function_arg_advance): Change error to
warning if a fixed register is needed as function argument.
From-SVN: r179040
PR target/50449
PR target/50465
* config/avr/avr.md (adjust_len): New insn attribute.
(*reload_insi, *reload_insf): Use it.
(*movsi, *movsf): Use new interface of output_movsisf.
* config/avr/avr-protos.h (output_movsisf): Change prototype.
* config/avr/avr.c (output_movsisf): Ditto.
(adjust_insn_length): Use insn attribute "adjust_len" to adjust
lengths of insns *reload_insi, *reload_insf.
(output_reload_insisf_1): New static function.
(output_reload_insisf): Use it.
From-SVN: r179037
PR target/50358
* config/avr/avr.md (*ashiftqihi2.signx.1): New insn.
(*maddqi4, *maddqi4.const): New insns.
(*msubqi4, *msubqi4.const): New insns.
* config/avr/avr.c (avr_rtx_costs): Record costs of above in cases
PLUS:QI and MINUS:QI. Increase costs of multiply-add/-sub for
HImode by 1 in the case of multiplying with a CONST_INT.
Record cost of *ashiftqihi2.signx.1 in case ASHIFT:QI.
From-SVN: r178912
PR target/50358
* config/avr/predicates.md (const_1_to_6_operand): New predicate.
* config/avr/avr.md: (extend_s): New code attribute.
(mul_r_d): New code attribute.
(*maddqihi4, *umaddqihi4): New insns.
(*msubqihi4, *umsubqihi4): New insns.
(*usmaddqihi4, *sumaddqihi4): New insns.
(*usmsubqihi4, *susubdqihi4): New insns.
(*umaddqihi4.uconst, *maddqihi4.sconst): New insn-and-splits.
(*umsubqihi4.uconst, *msubqihi4.sconst): New insn-and-splits.
(*umsubqihi4.uconst.ashift): New insn-and-split.
(*msubqihi4.sconst.ashift): New insn-and-split.
(*sumaddqihi4.uconst): New insn-and-split.
(*sumsubqihi4.uconst): New insn-and-split.
* config/avr/avr.c (avr_rtx_costs): Report costs of above in case
PLUS:HI and MINUS:HI.
From-SVN: r178806
gcc/
PR target/43746
* config/avr/avr.c (AVR_SECTION_PROGMEM): New Define.
(progmem_section): New Variable.
(avr_asm_init_sections): Initialize it.
(TARGET_ASM_SELECT_SECTION): Define to...
(avr_asm_select_section): ... this new Function.
(avr_replace_prefix): New Function.
(avr_asm_function_rodata_section): Use it.
(avr_insert_attributes): Don't add section attribute for PROGMEM.
(avr_section_type_flags): Use avr_progmem_p instead of section
name to detect if object is in PROGMEM.
(avr_asm_named_section): Set section name prefix for objects in
PROGMEM.
testsuite/
PR target/43746
* testsuite/gcc.target/avr/torture/avr-torture.exp
(AVR_TORTURE_OPTIONS): Add test cases "-O2 -fdata-sections" and
"-O2 -fmerge-all-constants".
From-SVN: r178779
* config/avr/avr.h (progmem_section): Remove Declaration.
* config/avr/avr.c (progmem_section): Make static and rename to
progmem_swtable_section.
(avr_output_addr_vec_elt): No need to switch sections.
(avr_asm_init_sections): Use output_section_asm_op as section
callback for progmem_swtable_section.
(avr_output_progmem_section_asm_op): Remove Function.
(TARGET_ASM_FUNCTION_RODATA_SECTION): New Define.
(avr_asm_function_rodata_section): New static Function.
* config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Output
alignment 2**1 for jump tables.
From-SVN: r178525
* config/avr/avr.c (STR_PREFIX_P): New Define.
(avr_asm_declare_function_name): Use it.
(avr_asm_named_section): Use it.
(avr_section_type_flags): Use it.
From-SVN: r178062
* PR target/49903
* config/avr/avr.md (UNSPEC_IDENTITY): New c_enum.
(branch_unspec): New insn.
(branch): Beauty farm.
* config/avr/avr.c (compare_condition): Use JUMP_P. Test SET_SRC
to be IF_THEN_ELSE.
(avr_compare_pattern, avr_reorg_remove_redundant_compare):
New static functions.
(avr_reorg): Use them. Use next_real_insn instead of NEXT_INSN.
Use CONST_INT_P. Beauty.
From-SVN: r177744
PR target/49687
* config/avr/avr.md (smulqi3_highpart): New insn.
(umulqi3_highpart): New insn.
(*subqi3.ashiftrt7): New insn.
(smulhi3_highpart): New expander.
(umulhi3_highpart): Nex expander.
(*smulhi3_highpart_call): New insn.
(*umulhi3_highpart_call): New insn.
(extend_u): New code attribute.
(extend_prefix): Rename code attribute to extend_su.
* config/avr/avr.c (avr_rtx_costs): Report costs of highpart of
widening QI/HI multiply.
From-SVN: r177648
PR target/36467
PR target/49687
* config/avr/avr.md (mulhi3): Use register_or_s9_operand for
operand2 and expand appropriately if there is a CONST_INT in
operand2.
(usmulqihi3): New insn.
(*sumulqihi3): New insn.
(*osmulqihi3): New insn.
(*oumulqihi3): New insn.
(*muluqihi3.uconst): New insn_and_split.
(*muluqihi3.sconst): New insn_and_split.
(*mulsqihi3.sconst): New insn_and_split.
(*mulsqihi3.uconst): New insn_and_split.
(*mulsqihi3.oconst): New insn_and_split.
(*ashifthi3.signx.const): New insn_and_split.
(*ashifthi3.signx.const7): New insn_and_split.
(*ashifthi3.zerox.const): New insn_and_split.
(mulsqihi3): New insn.
(muluqihi3): New insn.
(muloqihi3): New insn.
* config/avr/predicates.md (const_2_to_7_operand): New.
(const_2_to_6_operand): New.
(u8_operand): New.
(s8_operand): New.
(o8_operand): New.
(s9_operand): New.
(register_or_s9_operand): New.
From-SVN: r176527
gcc/
PR target/39633
* config/avr/avr.c (notice_update_cc): For ashiftrt:QI, only
offsets 1..5 set cc0 in a usable way.
testsuite/
PR target/39633
* gcc.target/avr/torture/pr39633.c: New test case.
From-SVN: r176141
