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mt.md (decrement_and_branch_until_zero): Add another scratch.
* config/mt/mt.md (decrement_and_branch_until_zero): Add another scratch. Correct its reload split. Adjust its peephole. (doloop_end): Add additional scratch. (nop): Use 'nop'. * config/mt/mt.c (MT_INT_ARG_FIRST): Remove. (mt_asm_output_opcode, mt_print_operand): Use 'nop'. (mt_function_arg_slotno): Use FIRST_ARG_REGNUM. (mt_builtin_saveregs): Replace with ... (mt_setup_incoming_varargs): ... here. Save just the varadic args. (mt_va_start): Remove. (mt_reorg_hazard): Ignore USE insns. Don't call set_noop_p. (mt_machine_reorg): Split all insns here. (TARGET_SETUP_INCOMING_VARARGS): Override. * config/mt/mt.h (TARGET_CPU_CPP_BUILTINS): Define __mt__ only. Set to CPU type. (EXPAND_BUILTIN_VA_START): Remove. From-SVN: r108787
This commit is contained in:
Nathan Sidwell
parent
2803e9970d
commit
819f8bd767
@ -1,3 +1,23 @@
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2005-12-19 Nathan Sidwell <nathan@codesourcery.com>
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* config/mt/mt.md (decrement_and_branch_until_zero): Add another
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scratch. Correct its reload split. Adjust its peephole.
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(doloop_end): Add additional scratch.
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(nop): Use 'nop'.
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* config/mt/mt.c (MT_INT_ARG_FIRST): Remove.
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(mt_asm_output_opcode, mt_print_operand): Use 'nop'.
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(mt_function_arg_slotno): Use FIRST_ARG_REGNUM.
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(mt_builtin_saveregs): Replace with ...
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(mt_setup_incoming_varargs): ... here. Save just the varadic
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args.
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(mt_va_start): Remove.
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(mt_reorg_hazard): Ignore USE insns. Don't call set_noop_p.
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(mt_machine_reorg): Split all insns here.
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(TARGET_SETUP_INCOMING_VARARGS): Override.
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* config/mt/mt.h (TARGET_CPU_CPP_BUILTINS): Define __mt__ only.
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Set to CPU type.
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(EXPAND_BUILTIN_VA_START): Remove.
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2005-12-17 Kenneth Zadeck <zadeck@naturalbridge.com>
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* flow.c (update_life_info, count_or_remove_death_notes): Fixed
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@ -906,9 +926,6 @@
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2005-12-13 Nathan Sidwell <nathan@codesourcery.com>
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* sim/common/sim-signal.c (sim_signal_to_target): Add missing ':'.
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* sim/common/sim-signal.h (sim_signal_to_target): Return an int.
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* config/mt/t-mt (crti.o, crtn.o): Add multilib options.
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(EXTRA_MULTILIB_PARTS): Define.
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@ -1222,8 +1239,8 @@
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2005-12-09 Aldy Hernandez <aldyh@redhat.com>
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* config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
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(MULTILIB_DIRNAMES): Define.
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* config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
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(MULTILIB_DIRNAMES): Define.
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2005-12-09 Ulrich Weigand <uweigand@de.ibm.com>
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@ -55,9 +55,6 @@
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/* Link register mask. */
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#define LINK_MASK (1 << (GPR_LINK))
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/* First GPR. */
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#define MT_INT_ARG_FIRST 1
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/* Given a SIZE in bytes, advance to the next word. */
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#define ROUND_ADVANCE(SIZE) (((SIZE) + UNITS_PER_WORD - 1) / UNITS_PER_WORD)
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@ -122,7 +119,7 @@ mt_asm_output_opcode (FILE *f ATTRIBUTE_UNUSED, const char *ptr)
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while (mt_nops_required)
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{
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fprintf (f, "or r0, r0, r0\n\t");
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fprintf (f, "nop\n\t");
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-- mt_nops_required;
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}
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@ -421,7 +418,7 @@ mt_print_operand (FILE * file, rtx x, int code)
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case '#':
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/* Output a nop if there's nothing for the delay slot. */
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if (dbr_sequence_length () == 0)
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fputs ("\n\tor r0, r0, r0", file);
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fputs ("\n\tnop", file);
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return;
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case 'H':
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@ -538,7 +535,7 @@ mt_function_arg_slotno (const CUMULATIVE_ARGS * cum,
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int incoming_p ATTRIBUTE_UNUSED,
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int * pregno)
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{
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int regbase = MT_INT_ARG_FIRST;
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int regbase = FIRST_ARG_REGNUM;
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int slotno = * cum;
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if (mode == VOIDmode || targetm.calls.must_pass_in_stack (mode, type))
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@ -827,35 +824,29 @@ mt_override_options (void)
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to determine if stdarg or varargs is used and return the address of the
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first unnamed parameter. */
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static rtx
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mt_builtin_saveregs (void)
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static void
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mt_setup_incoming_varargs (CUMULATIVE_ARGS *cum,
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enum machine_mode mode ATTRIBUTE_UNUSED,
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tree type ATTRIBUTE_UNUSED,
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int *pretend_size, int no_rtl)
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{
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int first_reg = 0;
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rtx address;
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int regno;
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for (regno = first_reg; regno < MT_NUM_ARG_REGS; regno ++)
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emit_move_insn
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(gen_rtx_MEM (word_mode,
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gen_rtx_PLUS (Pmode,
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gen_rtx_REG (SImode, ARG_POINTER_REGNUM),
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GEN_INT (UNITS_PER_WORD * regno))),
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gen_rtx_REG (word_mode,
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MT_INT_ARG_FIRST + regno));
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address = gen_rtx_PLUS (Pmode,
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gen_rtx_REG (SImode, ARG_POINTER_REGNUM),
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GEN_INT (UNITS_PER_WORD * first_reg));
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return address;
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}
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/* Implement `va_start'. */
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void
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mt_va_start (tree valist, rtx nextarg)
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{
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mt_builtin_saveregs ();
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std_expand_builtin_va_start (valist, nextarg);
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int regs = MT_NUM_ARG_REGS - *cum;
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*pretend_size = regs < 0 ? 0 : GET_MODE_SIZE (SImode) * regs;
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if (no_rtl)
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return;
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for (regno = *cum; regno < MT_NUM_ARG_REGS; regno++)
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{
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rtx reg = gen_rtx_REG (SImode, FIRST_ARG_REGNUM + regno);
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rtx slot = gen_rtx_PLUS (Pmode,
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gen_rtx_REG (SImode, ARG_POINTER_REGNUM),
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GEN_INT (UNITS_PER_WORD * regno));
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emit_move_insn (gen_rtx_MEM (SImode, slot), reg);
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}
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}
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/* Returns the number of bytes offset between the frame pointer and the stack
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@ -2312,9 +2303,14 @@ mt_reorg_hazard (void)
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gcc_assert (INSN_P (insn) && !INSN_DELETED_P (insn));
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for (next = NEXT_INSN (insn);
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next && !INSN_P (next);
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next;
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next = NEXT_INSN (next))
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continue;
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{
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if (!INSN_P (next))
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continue;
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if (GET_CODE (PATTERN (next)) != USE)
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break;
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}
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jmp = insn;
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if (GET_CODE (PATTERN (insn)) == SEQUENCE)
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@ -2390,7 +2386,7 @@ mt_reorg_hazard (void)
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}
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continue;
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}
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if (!INSN_P (prev))
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if (!INSN_P (prev) || GET_CODE (PATTERN (prev)) == USE)
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continue;
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if (GET_CODE (PATTERN (prev)) == SEQUENCE)
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@ -2421,14 +2417,7 @@ mt_reorg_hazard (void)
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}
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if (INSN_CODE (prev) >= 0)
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{
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rtx set = single_set (prev);
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/* A noop set will get deleted in a later split pass,
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so we can't count on it for hazard avoidance. */
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if (!set || !set_noop_p (set))
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count--;
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}
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count--;
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}
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if (rescan)
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@ -2470,7 +2459,11 @@ mt_machine_reorg (void)
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dbr_schedule (get_insns (), dump_file);
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if (TARGET_MS2)
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mt_reorg_hazard ();
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{
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/* Force all instructions to be split into their final form. */
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split_all_insns_noflow ();
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mt_reorg_hazard ();
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}
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}
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/* Initialize the GCC target structure. */
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@ -2488,6 +2481,8 @@ const struct attribute_spec mt_attribute_table[];
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#define TARGET_MUST_PASS_IN_STACK mt_pass_in_stack
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#undef TARGET_ARG_PARTIAL_BYTES
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#define TARGET_ARG_PARTIAL_BYTES mt_arg_partial_bytes
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#undef TARGET_SETUP_INCOMING_VARARGS
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#define TARGET_SETUP_INCOMING_VARARGS mt_setup_incoming_varargs
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#undef TARGET_MACHINE_DEPENDENT_REORG
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#define TARGET_MACHINE_DEPENDENT_REORG mt_machine_reorg
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@ -79,7 +79,7 @@ march=ms2:exit-ms2.o%s; \
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#define TARGET_CPU_CPP_BUILTINS() \
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do \
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{ \
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builtin_define_std ("mt"); \
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builtin_define_with_int_value ("__mt__", mt_cpu); \
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builtin_assert ("machine=mt"); \
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} \
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while (0)
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@ -600,9 +600,6 @@ extern struct mt_frame_info current_frame_info;
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#define FUNCTION_PROFILER(FILE, LABELNO) gcc_unreachable ()
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#define EXPAND_BUILTIN_VA_START(VALIST, NEXTARG) \
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mt_va_start (VALIST, NEXTARG)
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/* Trampolines are not implemented. */
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#define TRAMPOLINE_SIZE 0
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@ -89,7 +89,8 @@
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(set (match_dup 0)
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(plus:SI (match_dup 0)
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(const_int -1)))
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(clobber (match_scratch:SI 2 "=X,&r"))]
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(clobber (match_scratch:SI 2 "=X,&r"))
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(clobber (match_scratch:SI 3 "=X,&r"))]
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"TARGET_MS1_16_003 || TARGET_MS2"
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"@
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dbnz\t%0, %l1%#
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@ -110,11 +111,12 @@
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(set (match_dup 0)
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(plus:SI (match_dup 0)
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(const_int -1)))
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(clobber (match_scratch:SI 2 ""))]
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(clobber (match_scratch:SI 2 ""))
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(clobber (match_scratch:SI 3 ""))]
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"TARGET_MS1_16_003 || TARGET_MS2"
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[(set (match_dup 2) (match_dup 0))
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(set (match_dup 2) (plus:SI (match_dup 2) (const_int -1)))
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(set (match_dup 0) (match_dup 2))
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(set (match_dup 3) (plus:SI (match_dup 2) (const_int -1)))
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(set (match_dup 0) (match_dup 3))
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(set (pc)
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(if_then_else
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(ne (match_dup 2)
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@ -145,6 +147,7 @@
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(pc)))
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(set (match_dup 0)
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(plus:SI (match_dup 0) (const_int -1)))
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(clobber (reg:SI 0))
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(clobber (reg:SI 0))])]
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"")
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@ -197,7 +200,8 @@
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(set (match_dup 0)
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(plus:SI (match_dup 0)
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(const_int -1)))
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(clobber (match_scratch:SI 5 ""))])]
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(clobber (match_scratch:SI 5 ""))
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(clobber (match_scratch:SI 6 ""))])]
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"TARGET_MS1_16_003 || TARGET_MS2"
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{mt_add_loop ();})
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@ -1436,7 +1440,7 @@
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(define_insn "nop"
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[(const_int 0)]
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""
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"or r0,r0,r0"
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"nop"
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[(set_attr "length" "4")
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(set_attr "type" "arith")])
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