* config/mmix/mmix.h (ENCODE_SECTION_INFO): Pass on new second
parameter to mmix_encode_section_info.
(LINK_SPEC): Don't defsym __.MMIX.start..text if linking
relocatably. Always produce ELF, not mmo if linking relocatably.
* config/mmix/mmix.c (mmix_encode_section_info): If new parameter
first is non-zero, don't add symbol prefix.
* config/mmix/mmix-protos.h (mmix_encode_section_info): Tweak
prototype accordingly.
From-SVN: r50298
* config/mmix/mmix.c (mmix_conditional_register_usage): if
-mabi=gnu, modify fixed_regs to fit the GNU ABI.
(mmix_extra_constraint): Use 'R' to indicate that GETA should be
used to read the rtx value.
(mmix_target_asm_function_epilogue): Fix spacing.
(mmix_constant_address_p): Handle TARGET_BASE_ADDRESSES.
(mmix_legitimate_address): Ditto.
(mmix_encode_section_info): Set SYMBOL_REF_FLAG on rtx:es that
should be loaded with a GETA insn. Don't allocate needless extra
char for nul termination and fix misleading comment.
(mmix_print_operand_address): Handle constants if
TARGET_BASE_ADDRESSES.
(mmix_output_register_setting): Use base addressing if
TARGET_BASE_ADDRESSES and the number of insns is 3.
* config/mmix/t-mmix (MULTILIB_EXTRA_OPTS): New.
* config/mmix/mmix.md ("movdi"): Change the alternative with GETA
to use R as constraint, add LDA to match s.
* config/mmix/mmix.h (TARGET_BASE_ADDRESSES): New.
(TARGET_DEFAULT): Add TARGET_MASK_BASE_ADDRESSES.
(TARGET_SWITCHES): Add -mbase-addresses, -mno-base-addresses.
(FIXED_REGISTERS): Make registers $231..$246 fixed by default.
(MMIX_MMIXWARE_ABI_REG_ALLOC_ORDER): Move $231..$246 last, in
order with other fixed registers.
(MMIX_GNU_ABI_REG_ALLOC_ORDER): Put forward $231, in order with
other parameter/call-clobbered registers.
* doc/invoke.texi (Option Summary) <MMIX Options>: Add
-mbase-addresses, -mno-base-addresses.
(MMIX Options): Ditto.
From-SVN: r49536
* doc/invoke.texi (Option Summary) <MMIX Options>: Document
-mbranch-predict, -mreg-stack-fill-bug-workaround and their
negatives.
(MMIX Options): Ditto. Fix item/itemx typo for -mno-zero-extend.
* config/mmix/mmix.c (mmix_target_asm_function_prologue): Rework
kludge for pre-october-14th mmix versions to handle new-found bug
with PUSHJ/PUSHGO and the register stack.
* config/mmix/mmix.h (struct machine_function): Rename member
has_call_value_without_parameters to has_call_without_parameters.
All referers changed.
(TARGET_MASK_REG_STACK_FILL_BUG, TARGET_DEFAULT
TARGET_MASK_BRANCH_PREDICT): New macros.
(TARGET_SWITCHES): New options -mreg-stack-fill-bug-workaround,
-mno-reg-stack-fill-bug-workaround.
* config/mmix/mmix.md ("call"): Set struct machine member
has_call_without_parameters.
From-SVN: r48558
* config/mmix/mmix.md: Update FIXME to not mention
define_constants.
(MMIX_rJ_REGNUM): New define_constants constant.
("movqi", "movsi", "movdi", "*movdicc_real_foldable",
"*movdicc_real"): Adjust contraints formatting.
("*bCC_foldable"): Add %+ for P in output format and delete FIXME
for branch prediction.
("*bCC", "*bCC_inverted_foldable", "*bCC_inverted"): Add %+ in
output template.
("*call_real", "*call_value_real", "nonlocal_goto_receiver",
"*nonlocal_goto_receiver_expanded"): Use MMIX_rJ_REGNUM instead of
number. Delete related FIXMEs.
* config/mmix/mmix.h (MMIX_INCOMING_RETURN_ADDRESS_REGNUM): Change
from number to MMIX_rJ_REGNUM.
(TARGET_MASK_BRANCH_PREDICT): New.
(TARGET_DEFAULT): Change to TARGET_MASK_BRANCH_PREDICT.
(TARGET_SWITCHES): Update comment. Correct -mno-toplevel-symbols
value. Add -mbranch-predict and -mno-branch-predict.
(TARGET_VERSION): Drop date.
(ADDITIONAL_REGISTER_NAMES): Use MMIX_rJ_REGNUM, not number.
* config/mmix/mmix.c (mmix_encode_section_info): Correct condition
for finding out global symbols.
(mmix_asm_output_labelref): Revert condition for global symbol.
(mmix_print_operand): <case '+'>: Emit P for a likely branch.
(mmix_print_operand_punct_valid_p): A '+' is valid.
From-SVN: r48448
* config/mmix/mmix.md ("*call_real"): Fix typo in comment.
* config/mmix/mmix.h (EXTRA_CONSTRAINT): Pass MMIX_REG_OK_STRICT
to mmix_extra_constraint.
* config/mmix/mmix.c (mmix_secondary_reload_class): Only handle
non-global register classes. Mark now unused parameters as such.
(mmix_extra_constraint, 'U'): Use new parameter strict and call
calling memory_operand_p or strict_memory_address_p, not
address_operand.
* config/mmix/mmix-protos.h (mmix_extra_constraint): Add parameter.
From-SVN: r48402
* config.gcc (mmix-*-*): New target.
* doc/invoke.texi: Document MMIX options.
* doc/contrib.texi: Add note about MMIX port to my entry.
* config/mmix/t-mmix: New file.
* config/mmix/mmix.h: New file.
* config/mmix/mmix-protos.h: New file.
* config/mmix/mmix.c: New file.
* config/mmix/mmix.md: New file.
* config/mmix/crti.asm: New file.
* config/mmix/crtn.asm: New file.
From-SVN: r46746
Hans-Peter Nilsson
Kaveh R. Ghazi
Kazu Hirata
Hans-Peter Nilsson
Richard Henderson
Richard Sandiford
Neil Booth
Joseph Myers