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 HIM => "${arch}_emit_high_immediate(node);",
134 LM => "${arch}_emit_load_mode(node);",
135 SM => "${arch}_emit_store_mode(node);",
136 FLSM => "${arch}_emit_float_load_store_mode(node);",
137 FPM => "${arch}_emit_fp_mode_suffix(node);",
138 FCONVS => "${arch}_emit_fp_conv_source(node);",
139 FCONVD => "${arch}_emit_fp_conv_destination(node);",
140 O => "${arch}_emit_offset(node);",
143 $default_attr_type = "sparc_attr_t";
144 $default_copy_attr = "sparc_copy_attr";
148 sparc_attr_t => "\tinit_sparc_attributes(res, flags, in_reqs, exec_units, n_res);",
149 sparc_load_store_attr_t => "\tinit_sparc_attributes(res, flags, in_reqs, exec_units, n_res);\n".
150 "\tinit_sparc_load_store_attributes(res, ls_mode, entity, entity_sign, offset, is_frame_entity);",
151 sparc_symconst_attr_t => "\tinit_sparc_attributes(res, flags, in_reqs, exec_units, n_res);\n".
152 "\tinit_sparc_symconst_attributes(res, entity);",
153 sparc_jmp_cond_attr_t => "\tinit_sparc_attributes(res, flags, in_reqs, exec_units, n_res);",
154 sparc_jmp_switch_attr_t => "\tinit_sparc_attributes(res, flags, in_reqs, exec_units, n_res);",
155 sparc_save_attr_t => "\tinit_sparc_attributes(res, flags, in_reqs, exec_units, n_res);",
156 sparc_fp_attr_t => "\tinit_sparc_attributes(res, flags, in_reqs, exec_units, n_res);\n".
157 "\tinit_sparc_fp_attributes(res, fp_mode);\n",
158 sparc_fp_conv_attr_t => "\tinit_sparc_attributes(res, flags, in_reqs, exec_units, n_res);".
159 "\tinit_sparc_fp_conv_attributes(res, src_mode, dest_mode);\n",
163 sparc_attr_t => "cmp_attr_sparc",
164 sparc_load_store_attr_t => "cmp_attr_sparc_load_store",
165 sparc_symconst_attr_t => "cmp_attr_sparc_symconst",
166 sparc_jmp_cond_attr_t => "cmp_attr_sparc_jmp_cond",
167 sparc_jmp_switch_attr_t => "cmp_attr_sparc_jmp_switch",
168 sparc_save_attr_t => "cmp_attr_sparc_save",
169 sparc_fp_attr_t => "cmp_attr_sparc_fp",
170 sparc_fp_conv_attr_t => "cmp_attr_sparc_fp_conv",
173 %custom_irn_flags = (
174 modifies_flags => "sparc_arch_irn_flag_modifies_flags",
175 modifies_fp_flags => "sparc_arch_irn_flag_modifies_fp_flags",
178 # addressing modes: imm, reg, reg +/- imm, reg + reg
179 # max. imm = 13 bits signed (-4096 ... 4096)
181 my %cmp_operand_constructors = (
183 attr => "int32_t immediate_value",
184 custominit => "sparc_set_attr_imm(res, immediate_value);",
185 reg_req => { in => [ "gp" ], out => [ "flags" ] },
189 reg_req => { in => [ "gp", "gp" ], out => [ "flags" ] },
190 ins => [ "left", "right" ],
194 my %unop_operand_constructors = (
196 attr => "int32_t immediate_value",
197 custominit => "sparc_set_attr_imm(res, immediate_value);",
198 reg_req => { in => [], out => [ "gp" ] },
201 reg_req => { in => [ "gp" ], out => [ "gp" ] },
205 my %binop_operand_constructors = (
207 attr => "int32_t immediate_value",
208 custominit => "sparc_set_attr_imm(res, immediate_value);",
209 reg_req => { in => [ "gp" ], out => [ "gp" ] },
213 reg_req => { in => [ "gp", "gp" ], out => [ "gp" ] },
214 ins => [ "left", "right" ],
218 my %float_binop_constructors = (
220 reg_req => { in => [ "fp", "fp" ], out => [ "fp" ] },
221 ins => [ "left", "right" ],
225 reg_req => { in => [ "fp:a|2", "fp:a|2" ], out => [ "fp:a|2" ] },
226 ins => [ "left", "right" ],
230 reg_req => { in => [ "fp:a|4", "fp:a|4" ], out => [ "fp:a|4" ] },
231 ins => [ "left", "right" ],
236 my %float_unop_constructors = (
238 reg_req => { in => [ "fp" ], out => [ "fp" ] },
239 ins => [ "left", "right" ],
243 reg_req => { in => [ "fp:a|2" ], out => [ "fp:a|2" ] },
244 ins => [ "left", "right" ],
248 reg_req => { in => [ "fp:a|4" ], out => [ "fp:a|4" ] },
249 ins => [ "left", "right" ],
257 irn_flags => [ "rematerializable" ],
259 emit => '. add %S1, %R2I, %D1',
260 constructors => \%binop_operand_constructors,
264 irn_flags => [ "rematerializable" ],
266 emit => '. sub %S1, %R2I, %D1',
267 constructors => \%binop_operand_constructors,
273 op_flags => [ "labeled", "fragile" ],
274 state => "exc_pinned",
277 reg_req => { in => [ "gp", "none" ], out => [ "gp", "none" ] },
280 reg_req => { in => [ "gp", "none" ], out => [ "gp:a|2", "none" ] },
283 outs => [ "res", "M" ],
284 ins => [ "ptr", "mem" ],
285 attr_type => "sparc_load_store_attr_t",
286 attr => "ir_mode *ls_mode, ir_entity *entity, int entity_sign, long offset, bool is_frame_entity",
287 emit => '. ld%LM [%S1%O], %D1'
291 irn_flags => [ "rematerializable" ],
294 reg_req => { in => [], out => [ "gp" ] },
295 attr => "int32_t immediate_value",
296 custominit => "sparc_set_attr_imm(res, immediate_value);",
297 emit => '. sethi %HIM, %D1'
301 op_flags => [ "labeled", "fragile" ],
303 state => "exc_pinned",
306 reg_req => { in => [ "gp", "gp", "none" ], out => [ "none" ] },
309 reg_req => { in => [ "gp", "gp:a|2", "none" ], out => [ "none" ] },
312 ins => [ "ptr", "val", "mem" ],
314 attr_type => "sparc_load_store_attr_t",
315 attr => "ir_mode *ls_mode, ir_entity *entity, int entity_sign, long offset, bool is_frame_entity",
316 emit => '. st%SM %S2, [%S1%O]'
321 in => [ "sp", "none"],
322 out => [ "sp:I|S", "frame_pointer:I", "none" ]
324 ins => [ "stack", "mem" ],
325 outs => [ "stack", "frame", "mem" ],
326 attr => "int initial_stacksize",
327 attr_type => "sparc_save_attr_t",
328 init_attr => "\tinit_sparc_save_attributes(res, initial_stacksize);",
332 reg_req => { in => [ "sp", "gp", "none" ], out => [ "sp:I|S", "gp", "none" ] },
333 ins => [ "stack", "size", "mem" ],
334 outs => [ "stack", "addr", "M" ],
335 emit => ". sub %S1, %S2, %D1\n",
339 reg_req => { in => [ "sp", "gp", "none" ], out => [ "sp:I|S", "none" ] },
340 ins => [ "stack", "size", "mem" ],
341 outs => [ "stack", "M" ],
342 emit => ". add %S1, %S2, %D1\n",
346 op_flags => [ "constlike" ],
347 irn_flags => [ "rematerializable" ],
348 attr => "ir_entity *entity",
349 reg_req => { out => [ "gp" ] },
350 attr_type => "sparc_symconst_attr_t",
355 op_flags => [ "constlike" ],
356 irn_flags => [ "rematerializable" ],
357 attr => "ir_entity *entity",
358 reg_req => { in => [ "gp" ], out => [ "gp" ] },
360 attr_type => "sparc_symconst_attr_t",
365 op_flags => [ "labeled", "cfopcode", "forking" ],
368 attr_type => "sparc_jmp_cond_attr_t",
369 attr => "pn_Cmp pnc, bool is_unsigned",
370 init_attr => "\tinit_sparc_jmp_cond_attr(res, pnc, is_unsigned);",
371 reg_req => { in => [ "flags" ], out => [ "none", "none" ] },
375 op_flags => [ "labeled", "cfopcode", "forking" ],
378 attr_type => "sparc_jmp_cond_attr_t",
379 attr => "pn_Cmp pnc",
380 init_attr => "\tinit_sparc_jmp_cond_attr(res, pnc, false);",
381 reg_req => { in => [ "fpflags" ], out => [ "none", "none" ] },
386 op_flags => [ "cfopcode" ],
387 irn_flags => [ "simple_jump" ],
388 reg_req => { out => [ "none" ] },
393 irn_flags => [ "modifies_flags", "modifies_fp_flags" ],
394 state => "exc_pinned",
396 out_arity => "variable",
399 attr => "ir_entity *entity, long offset",
400 custominit => "get_sparc_attr(res)->immediate_value_entity = entity;",
402 out_arity => "variable",
406 out_arity => "variable",
412 irn_flags => [ "rematerializable", "modifies_flags" ],
413 emit => '. cmp %S1, %R2I',
414 ins => [ "left", "right" ],
416 constructors => \%cmp_operand_constructors,
420 irn_flags => [ "rematerializable", "modifies_flags" ],
423 reg_req => { in => [ "gp" ], out => [ "flags" ] },
428 op_flags => [ "labeled", "cfopcode", "forking" ],
429 irn_flags => [ "modifies_flags" ],
432 attr => "int n_projs, long def_proj_num",
433 init_attr => "\tset_sparc_jmp_switch_n_projs(res, n_projs);\n".
434 "\tset_sparc_jmp_switch_default_proj_num(res, def_proj_num);",
435 reg_req => { in => [ "gp" ], out => [ "none" ] },
436 attr_type => "sparc_jmp_switch_attr_t",
440 irn_flags => [ "rematerializable" ],
442 emit => '. sll %S1, %R2I, %D1',
443 constructors => \%binop_operand_constructors,
447 irn_flags => [ "rematerializable" ],
449 emit => '. srl %S1, %R2I, %D1',
450 constructors => \%binop_operand_constructors,
454 irn_flags => [ "rematerializable" ],
456 emit => '. sra %S1, %R2I, %D1',
457 constructors => \%binop_operand_constructors,
461 irn_flags => [ "rematerializable" ],
463 emit => '. and %S1, %R2I, %D1',
464 constructors => \%binop_operand_constructors,
468 irn_flags => [ "rematerializable" ],
470 emit => '. andn %S1, %R2I, %D1',
471 constructors => \%binop_operand_constructors,
475 irn_flags => [ "rematerializable" ],
477 emit => '. or %S1, %R2I, %D1',
478 constructors => \%binop_operand_constructors,
482 irn_flags => [ "rematerializable" ],
484 emit => '. orn %S1, %R2I, %D1',
485 constructors => \%binop_operand_constructors,
489 irn_flags => [ "rematerializable" ],
491 emit => '. xor %S1, %R2I, %D1',
492 constructors => \%binop_operand_constructors,
496 irn_flags => [ "rematerializable" ],
498 emit => '. xnor %S1, %R2I, %D1',
499 constructors => \%binop_operand_constructors,
503 irn_flags => [ "rematerializable" ],
505 emit => '. smul %S1, %R2I, %D1',
506 constructors => \%binop_operand_constructors,
510 irn_flags => [ "rematerializable" ],
511 outs => [ "low", "high" ],
512 constructors => \%binop_operand_constructors,
515 # The div instructions are kinda hacky. Things to improve:
516 # * Make high-value input explicitely. Either as a gp at first or ideally
517 # as an explicit y-register
520 irn_flags => [ "rematerializable" ],
521 state => "exc_pinned",
522 ins => [ "dividend_low", "divisor" ],
523 outs => [ "res", "M" ],
524 constructors => \%binop_operand_constructors,
528 irn_flags => [ "rematerializable" ],
529 state => "exc_pinned",
530 ins => [ "dividend_low", "divisor" ],
531 outs => [ "res", "M" ],
532 constructors => \%binop_operand_constructors,
536 irn_flags => [ "rematerializable", "modifies_fp_flags" ],
537 emit => '. fcmp%FPM %S1, %S2',
538 attr_type => "sparc_fp_attr_t",
539 attr => "ir_mode *fp_mode",
540 mode => $mode_fpflags,
543 reg_req => { in => [ "fp", "fp" ], out => [ "fpflags" ] },
546 reg_req => { in => [ "fp:a|2", "fp:a|2" ], out => [ "fpflags" ] },
549 reg_req => { in => [ "fp:a|4", "fp:a|4" ], out => [ "fpflags" ] },
555 op_flags => [ "commutative" ],
556 irn_flags => [ "rematerializable" ],
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 emit => '. fsub%FPM %S1, %S2, %D1',
566 attr_type => "sparc_fp_attr_t",
567 attr => "ir_mode *fp_mode",
568 constructors => \%float_binop_constructors,
572 irn_flags => [ "rematerializable" ],
573 op_flags => [ "commutative" ],
574 emit =>'. fmul%FPM %S1, %S2, %D1',
575 attr_type => "sparc_fp_attr_t",
576 attr => "ir_mode *fp_mode",
577 constructors => \%float_binop_constructors,
581 irn_flags => [ "rematerializable" ],
582 emit => '. fdiv%FPM %S1, %S2, %D1',
583 attr_type => "sparc_fp_attr_t",
584 attr => "ir_mode *fp_mode",
585 outs => [ "res", "M" ],
586 constructors => \%float_binop_constructors,
590 irn_flags => [ "rematerializable" ],
591 reg_req => { in => [ "fp" ], out => [ "fp" ] },
592 # note that we only need the first register even for wide-values
593 emit => '. fneg %S1, %D1',
594 attr_type => "sparc_fp_attr_t",
595 attr => "ir_mode *fp_mode",
596 constructors => \%float_unop_constructors,
600 irn_flags => [ "rematerializable" ],
601 # note that we only need the first register even for wide-values
602 emit => '. fabs %S1, %D1',
603 attr_type => "sparc_fp_attr_t",
604 attr => "ir_mode *fp_mode",
605 constructors => \%float_unop_constructors,
609 irn_flags => [ "rematerializable" ],
610 emit => '. f%FCONVS%.to%FCONVD %S1, %D1',
611 attr_type => "sparc_fp_conv_attr_t",
612 attr => "ir_mode *src_mode, ir_mode *dest_mode",
615 reg_req => { in => [ "fp" ], out => [ "fp:a|2" ] },
619 reg_req => { in => [ "fp" ], out => [ "fp:a|2" ] },
623 reg_req => { in => [ "fp:a|2" ], out => [ "fp" ] },
627 reg_req => { in => [ "fp:a|2" ], out => [ "fp:a|4" ] },
631 reg_req => { in => [ "fp:a|4" ], out => [ "fp" ] },
635 reg_req => { in => [ "fp:a|4" ], out => [ "fp:a|2" ] },
642 irn_flags => [ "rematerializable" ],
643 reg_req => { in => [ "gp" ], out => [ "fp" ] },
644 emit => '. fito%FPM %S1, %D1',
645 attr_type => "sparc_fp_attr_t",
646 attr => "ir_mode *fp_mode",
649 reg_req => { in => [ "gp" ], out => [ "fp" ] },
653 reg_req => { in => [ "gp" ], out => [ "fp:a|2" ] },
657 reg_req => { in => [ "gp" ], out => [ "fp:a|4" ] },
664 irn_flags => [ "rematerializable" ],
665 reg_req => { in => [ "fp" ], out => [ "gp" ] },
666 emit => '. f%FPM.toi %S1, %D1',
667 attr_type => "sparc_fp_attr_t",
668 attr => "ir_mode *fp_mode",
672 reg_req => { in => [ "gp" ], out => [ "gp" ] },
675 reg_req => { in => [ "fp:a|2" ], out => [ "gp" ] },
678 reg_req => { in => [ "fp:a|4" ], out => [ "gp" ] },
684 op_flags => [ "labeled", "fragile" ],
685 state => "exc_pinned",
688 reg_req => { in => [ "gp", "none" ], out => [ "fp", "none" ] },
691 reg_req => { in => [ "gp", "none" ], out => [ "fp:a|2", "none" ] },
694 reg_req => { in => [ "gp", "none" ], out => [ "fp:a|4", "none" ] },
697 ins => [ "ptr", "mem" ],
698 outs => [ "res", "M" ],
699 attr_type => "sparc_load_store_attr_t",
700 attr => "ir_mode *ls_mode, ir_entity *entity, int entity_sign, long offset, bool is_frame_entity",
701 emit => '. ld%FLSM [%S1%O], %D1'
705 op_flags => [ "labeled", "fragile" ],
706 state => "exc_pinned",
709 reg_req => { in => [ "gp", "fp", "none" ], out => [ "none" ] },
712 reg_req => { in => [ "gp", "fp:a|2", "none" ], out => [ "none" ] },
715 reg_req => { in => [ "gp", "fp:a|4", "none" ], out => [ "none" ] },
718 ins => [ "ptr", "val", "mem" ],
720 attr_type => "sparc_load_store_attr_t",
721 attr => "ir_mode *ls_mode, ir_entity *entity, int entity_sign, long offset, bool is_frame_entity",
722 emit => '. st%FLSM %S2, [%S1%O]',