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" ],
238 irn_flags => [ "rematerializable" ],
240 emit => '. add %S1, %R2I, %D1',
241 constructors => \%binop_operand_constructors,
245 irn_flags => [ "rematerializable" ],
247 reg_req => { in => [ "gp", "gp" ], out => [ "gp" ] },
248 emit => '. sub %S1, %R2I, %D1',
249 constructors => \%binop_operand_constructors,
255 op_flags => [ "labeled", "fragile" ],
256 state => "exc_pinned",
259 reg_req => { in => [ "gp", "none" ], out => [ "gp", "none" ] },
262 reg_req => { in => [ "gp", "none" ], out => [ "gp:a|2", "none" ] },
265 outs => [ "res", "M" ],
266 ins => [ "ptr", "mem" ],
267 attr_type => "sparc_load_store_attr_t",
268 attr => "ir_mode *ls_mode, ir_entity *entity, int entity_sign, long offset, bool is_frame_entity",
269 emit => '. ld%LM [%S1%O], %D1'
273 irn_flags => [ "rematerializable" ],
274 state => "exc_pinned",
277 reg_req => { in => [], out => [ "gp" ] },
278 attr => "int immediate_value",
279 custominit => "sparc_set_attr_imm(res, immediate_value);",
283 irn_flags => [ "rematerializable" ],
284 state => "exc_pinned",
288 reg_req => { in => [ "gp" ], out => [ "gp" ] },
289 attr => "int immediate_value",
290 custominit => "sparc_set_attr_imm(res, immediate_value);",
294 op_flags => [ "labeled", "fragile" ],
296 state => "exc_pinned",
299 reg_req => { in => [ "gp", "gp", "none" ], out => [ "none" ] },
302 reg_req => { in => [ "gp", "gp:a|2", "none" ], out => [ "none" ] },
305 ins => [ "ptr", "val", "mem" ],
307 attr_type => "sparc_load_store_attr_t",
308 attr => "ir_mode *ls_mode, ir_entity *entity, int entity_sign, long offset, bool is_frame_entity",
309 emit => '. st%SM %S2, [%S1%O]'
313 irn_flags => [ "rematerializable" ],
315 emit => '. mov %R1I, %D1',
317 constructors => \%unop_operand_constructors,
322 in => [ "sp", "none"],
323 out => [ "sp:I|S", "frame_pointer:I", "none" ]
325 ins => [ "stack", "mem" ],
326 outs => [ "stack", "frame", "mem" ],
327 attr => "int initial_stacksize",
328 attr_type => "sparc_save_attr_t",
329 init_attr => "\tinit_sparc_save_attributes(res, initial_stacksize);",
333 reg_req => { in => [ "sp", "gp", "none" ], out => [ "sp:I|S", "gp", "none" ] },
334 ins => [ "stack", "size", "mem" ],
335 outs => [ "stack", "addr", "M" ],
336 emit => ". sub %S1, %S2, %D1\n",
340 reg_req => { in => [ "sp", "gp", "none" ], out => [ "sp:I|S", "none" ] },
341 ins => [ "stack", "size", "mem" ],
342 outs => [ "stack", "M" ],
343 emit => ". add %S1, %S2, %D1\n",
347 op_flags => [ "constlike" ],
348 irn_flags => [ "rematerializable" ],
349 attr => "ir_entity *entity",
350 reg_req => { out => [ "gp" ] },
351 attr_type => "sparc_symconst_attr_t",
356 op_flags => [ "constlike" ],
357 irn_flags => [ "rematerializable" ],
358 attr => "ir_entity *entity",
359 reg_req => { in => [ "gp" ], out => [ "gp" ] },
361 attr_type => "sparc_symconst_attr_t",
366 op_flags => [ "labeled", "cfopcode", "forking" ],
369 attr_type => "sparc_jmp_cond_attr_t",
370 attr => "pn_Cmp pnc, bool is_unsigned",
371 init_attr => "\tinit_sparc_jmp_cond_attr(res, pnc, is_unsigned);",
372 reg_req => { in => [ "flags" ], out => [ "none", "none" ] },
376 op_flags => [ "labeled", "cfopcode", "forking" ],
379 attr_type => "sparc_jmp_cond_attr_t",
380 attr => "pn_Cmp pnc",
381 init_attr => "\tinit_sparc_jmp_cond_attr(res, pnc, false);",
382 reg_req => { in => [ "fpflags" ], out => [ "none", "none" ] },
387 op_flags => [ "cfopcode" ],
388 irn_flags => [ "simple_jump" ],
389 reg_req => { out => [ "none" ] },
394 irn_flags => [ "modifies_flags", "modifies_fp_flags" ],
395 state => "exc_pinned",
397 out_arity => "variable",
400 attr => "ir_entity *entity, long offset",
401 custominit => "get_sparc_attr(res)->immediate_value_entity = entity;",
403 out_arity => "variable",
407 out_arity => "variable",
413 irn_flags => [ "rematerializable", "modifies_flags" ],
414 emit => '. cmp %S1, %R2I',
415 reg_req => { in => [ "gp", "gp" ], out => [ "flags" ] },
416 ins => [ "left", "right" ],
418 constructors => \%cmp_operand_constructors,
422 irn_flags => [ "rematerializable", "modifies_flags" ],
425 reg_req => { in => [ "gp" ], out => [ "flags" ] },
430 op_flags => [ "labeled", "cfopcode", "forking" ],
431 irn_flags => [ "modifies_flags" ],
434 attr => "int n_projs, long def_proj_num",
435 init_attr => "\tset_sparc_jmp_switch_n_projs(res, n_projs);\n".
436 "\tset_sparc_jmp_switch_default_proj_num(res, def_proj_num);",
437 reg_req => { in => [ "gp" ], out => [ "none" ] },
438 attr_type => "sparc_jmp_switch_attr_t",
442 irn_flags => [ "rematerializable" ],
444 reg_req => { in => [ "gp", "gp" ], out => [ "gp" ] },
445 emit => '. sll %S1, %R2I, %D1',
446 constructors => \%binop_operand_constructors,
450 irn_flags => [ "rematerializable" ],
452 reg_req => { in => [ "gp", "gp" ], out => [ "gp" ] },
453 emit => '. srl %S1, %R2I, %D1',
454 constructors => \%binop_operand_constructors,
458 irn_flags => [ "rematerializable" ],
460 reg_req => { in => [ "gp", "gp" ], out => [ "gp" ] },
461 emit => '. sra %S1, %R2I, %D1',
462 constructors => \%binop_operand_constructors,
466 irn_flags => [ "rematerializable" ],
468 reg_req => { in => [ "gp", "gp" ], out => [ "gp" ] },
469 emit => '. and %S1, %R2I, %D1',
470 constructors => \%binop_operand_constructors,
474 irn_flags => [ "rematerializable" ],
476 reg_req => { in => [ "gp", "gp" ], out => [ "gp" ] },
477 emit => '. or %S1, %R2I, %D1',
478 constructors => \%binop_operand_constructors,
482 irn_flags => [ "rematerializable" ],
484 reg_req => { in => [ "gp", "gp" ], out => [ "gp" ] },
485 emit => '. xor %S1, %R2I, %D1',
486 constructors => \%binop_operand_constructors,
490 reg_req => { in => [ "gp", "gp" ], out => [ "gp", "y" ] },
491 constructors => \%binop_operand_constructors,
492 emit => '. smul %S1, %R2I, %D1',
497 reg_req => { in => [ "gp", "gp" ], out => [ "gp", "gp" ] },
498 outs => [ "low", "high" ],
499 constructors => \%binop_operand_constructors,
502 # The div instructions are kinda hacky. Things to improve:
503 # * Make high-value input explicitely. Either as a gp at first or ideally
504 # as an explicit y-register
507 irn_flags => [ "rematerializable" ],
508 state => "exc_pinned",
509 reg_req => { in => [ "gp", "gp" ], out => [ "gp", "none" ] },
510 ins => [ "dividend_low", "divisor" ],
511 outs => [ "res", "M" ],
512 constructors => \%binop_operand_constructors,
516 irn_flags => [ "rematerializable" ],
517 state => "exc_pinned",
518 reg_req => { in => [ "gp", "gp" ], out => [ "gp", "none" ] },
519 ins => [ "dividend_low", "divisor" ],
520 outs => [ "res", "M" ],
521 constructors => \%binop_operand_constructors,
525 irn_flags => [ "rematerializable" ],
527 reg_req => { in => [ "gp" ], out => [ "gp" ] },
528 emit => ". sub %%g0, %S1, %D1"
532 irn_flags => [ "rematerializable" ],
534 reg_req => { in => [ "gp" ], out => [ "gp" ] },
535 emit => '. xnor %S1, %%g0, %D1'
539 op_flags => [ "keep" ],
540 reg_req => { in => [], out => [ "none" ] },
545 irn_flags => [ "rematerializable", "modifies_fp_flags" ],
546 reg_req => { in => [ "fp", "fp" ], out => [ "fpflags" ] },
547 emit => '. fcmp%FPM %S1, %S2',
548 attr_type => "sparc_fp_attr_t",
549 attr => "ir_mode *fp_mode",
550 mode => $mode_fpflags,
554 op_flags => [ "commutative" ],
555 irn_flags => [ "rematerializable" ],
556 reg_req => { in => [ "fp", "fp" ], out => [ "fp" ] },
557 emit => '. fadd%FPM %S1, %S2, %D1',
558 attr_type => "sparc_fp_attr_t",
559 attr => "ir_mode *fp_mode",
560 constructors => \%float_binop_constructors,
564 irn_flags => [ "rematerializable" ],
565 reg_req => { in => [ "fp", "fp" ], out => [ "fp" ] },
566 emit => '. fsub%FPM %S1, %S2, %D1',
567 attr_type => "sparc_fp_attr_t",
568 attr => "ir_mode *fp_mode",
569 constructors => \%float_binop_constructors,
573 irn_flags => [ "rematerializable" ],
574 op_flags => [ "commutative" ],
575 reg_req => { in => [ "fp", "fp" ], out => [ "fp" ] },
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 reg_req => { in => [ "fp", "fp" ], out => [ "fp", "none" ] },
585 emit => '. fdiv%FPM %S1, %S2, %D1',
586 attr_type => "sparc_fp_attr_t",
587 attr => "ir_mode *fp_mode",
588 outs => [ "res", "M" ],
589 constructors => \%float_binop_constructors,
593 irn_flags => [ "rematerializable" ],
594 reg_req => { in => [ "fp" ], out => [ "fp" ] },
595 emit => '. fneg%FPM %S1, %D1',
596 attr_type => "sparc_fp_attr_t",
597 attr => "ir_mode *fp_mode",
602 irn_flags => [ "rematerializable" ],
603 reg_req => { in => [ "fp" ], out => [ "fp" ] },
604 emit => '. fabs%FPM %S1, %D1',
605 attr_type => "sparc_fp_attr_t",
606 attr => "ir_mode *fp_mode",
607 constructors => \%float_binop_constructors,
611 irn_flags => [ "rematerializable" ],
612 reg_req => { in => [ "fp" ], out => [ "fp" ] },
613 emit => '. f%FCONVS%.to%FCONVD %S1, %D1',
614 attr_type => "sparc_fp_conv_attr_t",
615 attr => "ir_mode *src_mode, ir_mode *dest_mode",
620 irn_flags => [ "rematerializable" ],
621 reg_req => { in => [ "gp" ], out => [ "fp" ] },
622 emit => '. fito%FPM %S1, %D1',
623 attr_type => "sparc_fp_attr_t",
624 attr => "ir_mode *fp_mode",
629 irn_flags => [ "rematerializable" ],
630 reg_req => { in => [ "fp" ], out => [ "gp" ] },
631 emit => '. f%FPM.toi %S1, %D1',
632 attr_type => "sparc_fp_attr_t",
633 attr => "ir_mode *fp_mode",
638 op_flags => [ "labeled", "fragile" ],
639 state => "exc_pinned",
640 ins => [ "ptr", "mem" ],
641 outs => [ "res", "M" ],
642 reg_req => { in => [ "gp", "none" ], out => [ "fp", "none" ] },
643 attr_type => "sparc_load_store_attr_t",
644 attr => "ir_mode *ls_mode, ir_entity *entity, int entity_sign, long offset, bool is_frame_entity",
645 emit => '. ld%FLSM [%S1%O], %D1'
649 op_flags => [ "labeled", "fragile" ],
650 state => "exc_pinned",
651 ins => [ "ptr", "val", "mem" ],
653 reg_req => { in => [ "gp", "fp", "none" ], out => [ "none" ] },
654 attr_type => "sparc_load_store_attr_t",
655 attr => "ir_mode *ls_mode, ir_entity *entity, int entity_sign, long offset, bool is_frame_entity",
656 emit => '. st%FLSM %S2, [%S1%O]',