7 $mode_flags = "mode_Bu";
8 $mode_fpflags = "mode_Bu";
11 $mode_fp4 = "mode_E"; # not correct, we need to register a new mode
13 $normal = 0; # no special type
14 $caller_save = 1; # caller save (register must be saved by the caller of a function)
15 $callee_save = 2; # callee save (register must be saved by the called function)
16 $ignore = 4; # ignore (do not assign this register)
17 $arbitrary = 8; # emitter can choose an arbitrary register of this class
18 $virtual = 16; # the register is a virtual one
19 $state = 32; # register represents a state
21 # available SPARC registers: 8 globals, 24 window regs (8 ins, 8 outs, 8 locals)
24 { name => "g0", type => $ignore }, # hardwired 0, behaves like /dev/null
25 { name => "g1", type => $caller_save }, # temp. value
26 { name => "g2", type => $caller_save },
27 { name => "g3", type => $caller_save },
28 { name => "g4", type => $caller_save },
29 { name => "g5", type => $ignore }, # reserved by SPARC ABI
30 { name => "g6", type => $ignore }, # reserved by SPARC ABI
31 { name => "g7", type => $ignore }, # reserved by SPARC ABI
33 # window's out registers
34 { name => "o0", type => $caller_save }, # param 1 / return value from callee
35 { name => "o1", type => $caller_save }, # param 2
36 { name => "o2", type => $caller_save }, # param 3
37 { name => "o3", type => $caller_save }, # param 4
38 { name => "o4", type => $caller_save }, # param 5
39 { name => "o5", type => $caller_save }, # param 6
40 { name => "sp", type => $ignore }, # our stackpointer
41 { name => "o7", type => $ignore }, # temp. value / address of CALL instr.
43 # window's local registers
44 { name => "l0", type => 0 },
45 { name => "l1", type => 0 },
46 { name => "l2", type => 0 },
47 { name => "l3", type => 0 },
48 { name => "l4", type => 0 },
49 { name => "l5", type => 0 },
50 { name => "l6", type => 0 },
51 { name => "l7", type => 0 },
53 # window's in registers
54 { name => "i0", type => 0 }, # incoming param1 / return value to caller
55 { name => "i1", type => 0 }, # param 2
56 { name => "i2", type => 0 }, # param 3
57 { name => "i3", type => 0 }, # param 4
58 { name => "i4", type => 0 }, # param 5
59 { name => "i5", type => 0 }, # param 6
60 { name => "frame_pointer", realname => "fp", type => $ignore }, # our framepointer
61 { name => "i7", type => $ignore }, # return address - 8
65 { name => "fpflags", type => $ignore },
66 { mode => $mode_fpflags, flags => "manual_ra" }
69 { name => "flags", type => $ignore },
70 { mode => $mode_flags, flags => "manual_ra" }
73 { name => "y", type => $ignore },
74 { mode => $mode_gp, flags => "manual_ra" }
76 # fp registers can be accessed any time
78 { name => "f0", type => $caller_save },
79 { name => "f1", type => $caller_save },
80 { name => "f2", type => $caller_save },
81 { name => "f3", type => $caller_save },
82 { name => "f4", type => $caller_save },
83 { name => "f5", type => $caller_save },
84 { name => "f6", type => $caller_save },
85 { name => "f7", type => $caller_save },
86 { name => "f8", type => $caller_save },
87 { name => "f9", type => $caller_save },
88 { name => "f10", type => $caller_save },
89 { name => "f11", type => $caller_save },
90 { name => "f12", type => $caller_save },
91 { name => "f13", type => $caller_save },
92 { name => "f14", type => $caller_save },
93 { name => "f15", type => $caller_save },
94 { name => "f16", type => $caller_save },
95 { name => "f17", type => $caller_save },
96 { name => "f18", type => $caller_save },
97 { name => "f19", type => $caller_save },
98 { name => "f20", type => $caller_save },
99 { name => "f21", type => $caller_save },
100 { name => "f22", type => $caller_save },
101 { name => "f23", type => $caller_save },
102 { name => "f24", type => $caller_save },
103 { name => "f25", type => $caller_save },
104 { name => "f26", type => $caller_save },
105 { name => "f27", type => $caller_save },
106 { name => "f28", type => $caller_save },
107 { name => "f29", type => $caller_save },
108 { name => "f30", type => $caller_save },
109 { name => "f31", type => $caller_save },
115 # emit source reg or imm dep. on node's arity
116 RI => "${arch}_emit_reg_or_imm(node, -1);",
117 R1I => "${arch}_emit_reg_or_imm(node, 0);",
118 R2I => "${arch}_emit_reg_or_imm(node, 1);",
119 R3I => "${arch}_emit_reg_or_imm(node, 2);",
120 S1 => "${arch}_emit_source_register(node, 0);",
121 S2 => "${arch}_emit_source_register(node, 1);",
122 S3 => "${arch}_emit_source_register(node, 2);",
123 S4 => "${arch}_emit_source_register(node, 3);",
124 S5 => "${arch}_emit_source_register(node, 4);",
125 S6 => "${arch}_emit_source_register(node, 5);",
126 D1 => "${arch}_emit_dest_register(node, 0);",
127 D2 => "${arch}_emit_dest_register(node, 1);",
128 D3 => "${arch}_emit_dest_register(node, 2);",
129 D4 => "${arch}_emit_dest_register(node, 3);",
130 D5 => "${arch}_emit_dest_register(node, 4);",
131 D6 => "${arch}_emit_dest_register(node, 5);",
132 IM => "${arch}_emit_immediate(node);",
133 LM => "${arch}_emit_load_mode(node);",
134 SM => "${arch}_emit_store_mode(node);",
135 FLSM => "${arch}_emit_float_load_store_mode(node);",
136 FPM => "${arch}_emit_fp_mode_suffix(node);",
137 FCONVS => "${arch}_emit_fp_conv_source(node);",
138 FCONVD => "${arch}_emit_fp_conv_destination(node);",
139 O => "${arch}_emit_offset(node);",
142 $default_attr_type = "sparc_attr_t";
143 $default_copy_attr = "sparc_copy_attr";
147 sparc_attr_t => "\tinit_sparc_attributes(res, flags, in_reqs, exec_units, n_res);",
148 sparc_load_store_attr_t => "\tinit_sparc_attributes(res, flags, in_reqs, exec_units, n_res);\n".
149 "\tinit_sparc_load_store_attributes(res, ls_mode, entity, entity_sign, offset, is_frame_entity);",
150 sparc_symconst_attr_t => "\tinit_sparc_attributes(res, flags, in_reqs, exec_units, n_res);\n".
151 "\tinit_sparc_symconst_attributes(res, entity);",
152 sparc_jmp_cond_attr_t => "\tinit_sparc_attributes(res, flags, in_reqs, exec_units, n_res);",
153 sparc_jmp_switch_attr_t => "\tinit_sparc_attributes(res, flags, in_reqs, exec_units, n_res);",
154 sparc_save_attr_t => "\tinit_sparc_attributes(res, flags, in_reqs, exec_units, n_res);",
155 sparc_fp_attr_t => "\tinit_sparc_attributes(res, flags, in_reqs, exec_units, n_res);\n".
156 "\tinit_sparc_fp_attributes(res, fp_mode);\n",
157 sparc_fp_conv_attr_t => "\tinit_sparc_attributes(res, flags, in_reqs, exec_units, n_res);".
158 "\tinit_sparc_fp_conv_attributes(res, src_mode, dest_mode);\n",
162 sparc_attr_t => "cmp_attr_sparc",
163 sparc_load_store_attr_t => "cmp_attr_sparc_load_store",
164 sparc_symconst_attr_t => "cmp_attr_sparc_symconst",
165 sparc_jmp_cond_attr_t => "cmp_attr_sparc_jmp_cond",
166 sparc_jmp_switch_attr_t => "cmp_attr_sparc_jmp_switch",
167 sparc_save_attr_t => "cmp_attr_sparc_save",
168 sparc_fp_attr_t => "cmp_attr_sparc_fp",
169 sparc_fp_conv_attr_t => "cmp_attr_sparc_fp_conv",
172 %custom_irn_flags = (
173 modifies_flags => "sparc_arch_irn_flag_modifies_flags",
174 modifies_fp_flags => "sparc_arch_irn_flag_modifies_fp_flags",
177 # addressing modes: imm, reg, reg +/- imm, reg + reg
178 # max. imm = 13 bits signed (-4096 ... 4096)
180 my %cmp_operand_constructors = (
182 attr => "int immediate_value",
183 custominit => "sparc_set_attr_imm(res, immediate_value);",
184 reg_req => { in => [ "gp" ], out => [ "flags" ] },
188 reg_req => { in => [ "gp", "gp" ], out => [ "flags" ] },
189 ins => [ "left", "right" ],
193 my %unop_operand_constructors = (
195 attr => "int immediate_value",
196 custominit => "sparc_set_attr_imm(res, immediate_value);",
197 reg_req => { in => [], out => [ "gp" ] },
200 reg_req => { in => [ "gp" ], out => [ "gp" ] },
204 my %binop_operand_constructors = (
206 attr => "int immediate_value",
207 custominit => "sparc_set_attr_imm(res, immediate_value);",
208 reg_req => { in => [ "gp" ], out => [ "gp" ] },
212 reg_req => { in => [ "gp", "gp" ], out => [ "gp" ] },
213 ins => [ "left", "right" ],
217 my %float_binop_constructors = (
219 reg_req => { in => [ "fp", "fp" ], out => [ "fp" ] },
220 ins => [ "left", "right" ],
224 reg_req => { in => [ "fp:a|2", "fp:a|2" ], out => [ "fp:a|2" ] },
225 ins => [ "left", "right" ],
229 reg_req => { in => [ "fp:a|4", "fp:a|4" ], out => [ "fp:a|4" ] },
230 ins => [ "left", "right" ],
235 my %float_unop_constructors = (
237 reg_req => { in => [ "fp" ], out => [ "fp" ] },
238 ins => [ "left", "right" ],
242 reg_req => { in => [ "fp:a|2" ], out => [ "fp:a|2" ] },
243 ins => [ "left", "right" ],
247 reg_req => { in => [ "fp:a|4" ], out => [ "fp:a|4" ] },
248 ins => [ "left", "right" ],
256 irn_flags => [ "rematerializable" ],
258 emit => '. add %S1, %R2I, %D1',
259 constructors => \%binop_operand_constructors,
263 irn_flags => [ "rematerializable" ],
265 emit => '. sub %S1, %R2I, %D1',
266 constructors => \%binop_operand_constructors,
272 op_flags => [ "labeled", "fragile" ],
273 state => "exc_pinned",
276 reg_req => { in => [ "gp", "none" ], out => [ "gp", "none" ] },
279 reg_req => { in => [ "gp", "none" ], out => [ "gp:a|2", "none" ] },
282 outs => [ "res", "M" ],
283 ins => [ "ptr", "mem" ],
284 attr_type => "sparc_load_store_attr_t",
285 attr => "ir_mode *ls_mode, ir_entity *entity, int entity_sign, long offset, bool is_frame_entity",
286 emit => '. ld%LM [%S1%O], %D1'
290 irn_flags => [ "rematerializable" ],
291 state => "exc_pinned",
294 reg_req => { in => [], out => [ "gp" ] },
295 attr => "int immediate_value",
296 custominit => "sparc_set_attr_imm(res, immediate_value);",
300 irn_flags => [ "rematerializable" ],
301 state => "exc_pinned",
305 reg_req => { in => [ "gp" ], out => [ "gp" ] },
306 attr => "int immediate_value",
307 custominit => "sparc_set_attr_imm(res, immediate_value);",
311 op_flags => [ "labeled", "fragile" ],
313 state => "exc_pinned",
316 reg_req => { in => [ "gp", "gp", "none" ], out => [ "none" ] },
319 reg_req => { in => [ "gp", "gp:a|2", "none" ], out => [ "none" ] },
322 ins => [ "ptr", "val", "mem" ],
324 attr_type => "sparc_load_store_attr_t",
325 attr => "ir_mode *ls_mode, ir_entity *entity, int entity_sign, long offset, bool is_frame_entity",
326 emit => '. st%SM %S2, [%S1%O]'
330 irn_flags => [ "rematerializable" ],
332 emit => '. mov %R1I, %D1',
334 constructors => \%unop_operand_constructors,
339 in => [ "sp", "none"],
340 out => [ "sp:I|S", "frame_pointer:I", "none" ]
342 ins => [ "stack", "mem" ],
343 outs => [ "stack", "frame", "mem" ],
344 attr => "int initial_stacksize",
345 attr_type => "sparc_save_attr_t",
346 init_attr => "\tinit_sparc_save_attributes(res, initial_stacksize);",
350 reg_req => { in => [ "sp", "gp", "none" ], out => [ "sp:I|S", "gp", "none" ] },
351 ins => [ "stack", "size", "mem" ],
352 outs => [ "stack", "addr", "M" ],
353 emit => ". sub %S1, %S2, %D1\n",
357 reg_req => { in => [ "sp", "gp", "none" ], out => [ "sp:I|S", "none" ] },
358 ins => [ "stack", "size", "mem" ],
359 outs => [ "stack", "M" ],
360 emit => ". add %S1, %S2, %D1\n",
364 op_flags => [ "constlike" ],
365 irn_flags => [ "rematerializable" ],
366 attr => "ir_entity *entity",
367 reg_req => { out => [ "gp" ] },
368 attr_type => "sparc_symconst_attr_t",
373 op_flags => [ "constlike" ],
374 irn_flags => [ "rematerializable" ],
375 attr => "ir_entity *entity",
376 reg_req => { in => [ "gp" ], out => [ "gp" ] },
378 attr_type => "sparc_symconst_attr_t",
383 op_flags => [ "labeled", "cfopcode", "forking" ],
386 attr_type => "sparc_jmp_cond_attr_t",
387 attr => "pn_Cmp pnc, bool is_unsigned",
388 init_attr => "\tinit_sparc_jmp_cond_attr(res, pnc, is_unsigned);",
389 reg_req => { in => [ "flags" ], out => [ "none", "none" ] },
393 op_flags => [ "labeled", "cfopcode", "forking" ],
396 attr_type => "sparc_jmp_cond_attr_t",
397 attr => "pn_Cmp pnc",
398 init_attr => "\tinit_sparc_jmp_cond_attr(res, pnc, false);",
399 reg_req => { in => [ "fpflags" ], out => [ "none", "none" ] },
404 op_flags => [ "cfopcode" ],
405 irn_flags => [ "simple_jump" ],
406 reg_req => { out => [ "none" ] },
411 irn_flags => [ "modifies_flags", "modifies_fp_flags" ],
412 state => "exc_pinned",
414 out_arity => "variable",
417 attr => "ir_entity *entity, long offset",
418 custominit => "get_sparc_attr(res)->immediate_value_entity = entity;",
420 out_arity => "variable",
424 out_arity => "variable",
430 irn_flags => [ "rematerializable", "modifies_flags" ],
431 emit => '. cmp %S1, %R2I',
432 ins => [ "left", "right" ],
434 constructors => \%cmp_operand_constructors,
438 irn_flags => [ "rematerializable", "modifies_flags" ],
441 reg_req => { in => [ "gp" ], out => [ "flags" ] },
446 op_flags => [ "labeled", "cfopcode", "forking" ],
447 irn_flags => [ "modifies_flags" ],
450 attr => "int n_projs, long def_proj_num",
451 init_attr => "\tset_sparc_jmp_switch_n_projs(res, n_projs);\n".
452 "\tset_sparc_jmp_switch_default_proj_num(res, def_proj_num);",
453 reg_req => { in => [ "gp" ], out => [ "none" ] },
454 attr_type => "sparc_jmp_switch_attr_t",
458 irn_flags => [ "rematerializable" ],
460 emit => '. sll %S1, %R2I, %D1',
461 constructors => \%binop_operand_constructors,
465 irn_flags => [ "rematerializable" ],
467 emit => '. srl %S1, %R2I, %D1',
468 constructors => \%binop_operand_constructors,
472 irn_flags => [ "rematerializable" ],
474 emit => '. sra %S1, %R2I, %D1',
475 constructors => \%binop_operand_constructors,
479 irn_flags => [ "rematerializable" ],
481 emit => '. and %S1, %R2I, %D1',
482 constructors => \%binop_operand_constructors,
486 irn_flags => [ "rematerializable" ],
488 emit => '. or %S1, %R2I, %D1',
489 constructors => \%binop_operand_constructors,
493 irn_flags => [ "rematerializable" ],
495 emit => '. xor %S1, %R2I, %D1',
496 constructors => \%binop_operand_constructors,
500 irn_flags => [ "rematerializable" ],
502 emit => '. xnor %S1, %R2I, %D1',
503 constructors => \%binop_operand_constructors,
508 emit => '. smul %S1, %R2I, %D1',
509 constructors => \%binop_operand_constructors,
513 outs => [ "low", "high" ],
514 constructors => \%binop_operand_constructors,
517 # The div instructions are kinda hacky. Things to improve:
518 # * Make high-value input explicitely. Either as a gp at first or ideally
519 # as an explicit y-register
522 irn_flags => [ "rematerializable" ],
523 state => "exc_pinned",
524 ins => [ "dividend_low", "divisor" ],
525 outs => [ "res", "M" ],
526 constructors => \%binop_operand_constructors,
530 irn_flags => [ "rematerializable" ],
531 state => "exc_pinned",
532 ins => [ "dividend_low", "divisor" ],
533 outs => [ "res", "M" ],
534 constructors => \%binop_operand_constructors,
538 irn_flags => [ "rematerializable", "modifies_fp_flags" ],
539 emit => '. fcmp%FPM %S1, %S2',
540 attr_type => "sparc_fp_attr_t",
541 attr => "ir_mode *fp_mode",
542 mode => $mode_fpflags,
545 reg_req => { in => [ "fp", "fp" ], out => [ "fpflags" ] },
548 reg_req => { in => [ "fp:a|2", "fp:a|2" ], out => [ "fpflags" ] },
551 reg_req => { in => [ "fp:a|4", "fp:a|4" ], out => [ "fpflags" ] },
557 op_flags => [ "commutative" ],
558 irn_flags => [ "rematerializable" ],
559 emit => '. fadd%FPM %S1, %S2, %D1',
560 attr_type => "sparc_fp_attr_t",
561 attr => "ir_mode *fp_mode",
562 constructors => \%float_binop_constructors,
566 irn_flags => [ "rematerializable" ],
567 emit => '. fsub%FPM %S1, %S2, %D1',
568 attr_type => "sparc_fp_attr_t",
569 attr => "ir_mode *fp_mode",
570 constructors => \%float_binop_constructors,
574 irn_flags => [ "rematerializable" ],
575 op_flags => [ "commutative" ],
576 emit =>'. fmul%FPM %S1, %S2, %D1',
577 attr_type => "sparc_fp_attr_t",
578 attr => "ir_mode *fp_mode",
579 constructors => \%float_binop_constructors,
583 irn_flags => [ "rematerializable" ],
584 emit => '. fdiv%FPM %S1, %S2, %D1',
585 attr_type => "sparc_fp_attr_t",
586 attr => "ir_mode *fp_mode",
587 outs => [ "res", "M" ],
588 constructors => \%float_binop_constructors,
592 irn_flags => [ "rematerializable" ],
593 reg_req => { in => [ "fp" ], out => [ "fp" ] },
594 # note that we only need the first register even for wide-values
595 emit => '. fneg %S1, %D1',
596 attr_type => "sparc_fp_attr_t",
597 attr => "ir_mode *fp_mode",
598 constructors => \%float_unop_constructors,
602 irn_flags => [ "rematerializable" ],
603 # note that we only need the first register even for wide-values
604 emit => '. fabs %S1, %D1',
605 attr_type => "sparc_fp_attr_t",
606 attr => "ir_mode *fp_mode",
607 constructors => \%float_unop_constructors,
611 irn_flags => [ "rematerializable" ],
612 emit => '. f%FCONVS%.to%FCONVD %S1, %D1',
613 attr_type => "sparc_fp_conv_attr_t",
614 attr => "ir_mode *src_mode, ir_mode *dest_mode",
617 reg_req => { in => [ "fp" ], out => [ "fp:a|2" ] },
621 reg_req => { in => [ "fp" ], out => [ "fp:a|2" ] },
625 reg_req => { in => [ "fp:a|2" ], out => [ "fp" ] },
629 reg_req => { in => [ "fp:a|2" ], out => [ "fp:a|4" ] },
633 reg_req => { in => [ "fp:a|4" ], out => [ "fp" ] },
637 reg_req => { in => [ "fp:a|4" ], out => [ "fp:a|2" ] },
644 irn_flags => [ "rematerializable" ],
645 reg_req => { in => [ "gp" ], out => [ "fp" ] },
646 emit => '. fito%FPM %S1, %D1',
647 attr_type => "sparc_fp_attr_t",
648 attr => "ir_mode *fp_mode",
651 reg_req => { in => [ "gp" ], out => [ "fp" ] },
655 reg_req => { in => [ "gp" ], out => [ "fp:a|2" ] },
659 reg_req => { in => [ "gp" ], out => [ "fp:a|4" ] },
666 irn_flags => [ "rematerializable" ],
667 reg_req => { in => [ "fp" ], out => [ "gp" ] },
668 emit => '. f%FPM.toi %S1, %D1',
669 attr_type => "sparc_fp_attr_t",
670 attr => "ir_mode *fp_mode",
674 reg_req => { in => [ "gp" ], out => [ "gp" ] },
677 reg_req => { in => [ "fp:a|2" ], out => [ "gp" ] },
680 reg_req => { in => [ "fp:a|4" ], out => [ "gp" ] },
686 op_flags => [ "labeled", "fragile" ],
687 state => "exc_pinned",
690 reg_req => { in => [ "gp", "none" ], out => [ "fp", "none" ] },
693 reg_req => { in => [ "gp", "none" ], out => [ "fp:a|2", "none" ] },
696 reg_req => { in => [ "gp", "none" ], out => [ "fp:a|4", "none" ] },
699 ins => [ "ptr", "mem" ],
700 outs => [ "res", "M" ],
701 attr_type => "sparc_load_store_attr_t",
702 attr => "ir_mode *ls_mode, ir_entity *entity, int entity_sign, long offset, bool is_frame_entity",
703 emit => '. ld%FLSM [%S1%O], %D1'
707 op_flags => [ "labeled", "fragile" ],
708 state => "exc_pinned",
711 reg_req => { in => [ "gp", "fp", "none" ], out => [ "none" ] },
714 reg_req => { in => [ "gp", "fp:a|2", "none" ], out => [ "none" ] },
717 reg_req => { in => [ "gp", "fp:a|4", "none" ], out => [ "none" ] },
720 ins => [ "ptr", "val", "mem" ],
722 attr_type => "sparc_load_store_attr_t",
723 attr => "ir_mode *ls_mode, ir_entity *entity, int entity_sign, long offset, bool is_frame_entity",
724 emit => '. st%FLSM %S2, [%S1%O]',