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, offset, is_frame_entity);",
151 sparc_jmp_cond_attr_t => "\tinit_sparc_attributes(res, flags, in_reqs, exec_units, n_res);",
152 sparc_jmp_switch_attr_t => "\tinit_sparc_attributes(res, flags, in_reqs, exec_units, n_res);",
153 sparc_save_attr_t => "\tinit_sparc_attributes(res, flags, in_reqs, exec_units, n_res);",
154 sparc_fp_attr_t => "\tinit_sparc_attributes(res, flags, in_reqs, exec_units, n_res);\n".
155 "\tinit_sparc_fp_attributes(res, fp_mode);\n",
156 sparc_fp_conv_attr_t => "\tinit_sparc_attributes(res, flags, in_reqs, exec_units, n_res);".
157 "\tinit_sparc_fp_conv_attributes(res, src_mode, dest_mode);\n",
161 sparc_attr_t => "cmp_attr_sparc",
162 sparc_load_store_attr_t => "cmp_attr_sparc_load_store",
163 sparc_jmp_cond_attr_t => "cmp_attr_sparc_jmp_cond",
164 sparc_jmp_switch_attr_t => "cmp_attr_sparc_jmp_switch",
165 sparc_save_attr_t => "cmp_attr_sparc_save",
166 sparc_fp_attr_t => "cmp_attr_sparc_fp",
167 sparc_fp_conv_attr_t => "cmp_attr_sparc_fp_conv",
170 %custom_irn_flags = (
171 modifies_flags => "sparc_arch_irn_flag_modifies_flags",
172 modifies_fp_flags => "sparc_arch_irn_flag_modifies_fp_flags",
175 # addressing modes: imm, reg, reg +/- imm, reg + reg
176 # max. imm = 13 bits signed (-4096 ... 4096)
178 my %cmp_operand_constructors = (
180 attr => "ir_entity *immediate_entity, int32_t immediate_value",
181 custominit => "sparc_set_attr_imm(res, immediate_entity, immediate_value);",
182 reg_req => { in => [ "gp" ], out => [ "flags" ] },
186 reg_req => { in => [ "gp", "gp" ], out => [ "flags" ] },
187 ins => [ "left", "right" ],
191 my %unop_operand_constructors = (
193 attr => "ir_entity *immediate_entity, int32_t immediate_value",
194 custominit => "sparc_set_attr_imm(res, immediate_entity, immediate_value);",
195 reg_req => { in => [], out => [ "gp" ] },
198 reg_req => { in => [ "gp" ], out => [ "gp" ] },
202 my %binop_operand_constructors = (
204 attr => "ir_entity *immediate_entity, int32_t immediate_value",
205 custominit => "sparc_set_attr_imm(res, immediate_entity, immediate_value);",
206 reg_req => { in => [ "gp" ], out => [ "gp" ] },
210 reg_req => { in => [ "gp", "gp" ], out => [ "gp" ] },
211 ins => [ "left", "right" ],
215 my %float_binop_constructors = (
217 reg_req => { in => [ "fp", "fp" ], out => [ "fp" ] },
218 ins => [ "left", "right" ],
222 reg_req => { in => [ "fp:a|2", "fp:a|2" ], out => [ "fp:a|2" ] },
223 ins => [ "left", "right" ],
227 reg_req => { in => [ "fp:a|4", "fp:a|4" ], out => [ "fp:a|4" ] },
228 ins => [ "left", "right" ],
233 my %float_unop_constructors = (
235 reg_req => { in => [ "fp" ], out => [ "fp" ] },
236 ins => [ "left", "right" ],
240 reg_req => { in => [ "fp:a|2" ], out => [ "fp:a|2" ] },
241 ins => [ "left", "right" ],
245 reg_req => { in => [ "fp:a|4" ], out => [ "fp:a|4" ] },
246 ins => [ "left", "right" ],
254 irn_flags => [ "rematerializable" ],
256 emit => '. add %S1, %R2I, %D1',
257 constructors => \%binop_operand_constructors,
261 irn_flags => [ "rematerializable" ],
263 emit => '. sub %S1, %R2I, %D1',
264 constructors => \%binop_operand_constructors,
270 op_flags => [ "labeled", "fragile" ],
271 state => "exc_pinned",
274 reg_req => { in => [ "gp", "none" ], out => [ "gp", "none" ] },
277 reg_req => { in => [ "gp", "none" ], out => [ "gp:a|2", "none" ] },
280 outs => [ "res", "M" ],
281 ins => [ "ptr", "mem" ],
282 attr_type => "sparc_load_store_attr_t",
283 attr => "ir_mode *ls_mode, ir_entity *entity, int32_t offset, bool is_frame_entity",
284 emit => '. ld%LM [%S1%O], %D1'
288 irn_flags => [ "rematerializable" ],
291 reg_req => { in => [], out => [ "gp" ] },
292 attr => "ir_entity *entity, int32_t immediate_value",
293 custominit => "sparc_set_attr_imm(res, entity, immediate_value);",
294 emit => '. sethi %HIM, %D1'
298 op_flags => [ "labeled", "fragile" ],
300 state => "exc_pinned",
303 reg_req => { in => [ "gp", "gp", "none" ], out => [ "none" ] },
306 reg_req => { in => [ "gp", "gp:a|2", "none" ], out => [ "none" ] },
309 ins => [ "ptr", "val", "mem" ],
311 attr_type => "sparc_load_store_attr_t",
312 attr => "ir_mode *ls_mode, ir_entity *entity, int32_t offset, bool is_frame_entity",
313 emit => '. st%SM %S2, [%S1%O]'
318 in => [ "sp", "none"],
319 out => [ "sp:I|S", "frame_pointer:I", "none" ]
321 ins => [ "stack", "mem" ],
322 outs => [ "stack", "frame", "mem" ],
323 attr => "int initial_stacksize",
324 attr_type => "sparc_save_attr_t",
325 init_attr => "\tinit_sparc_save_attributes(res, initial_stacksize);",
329 reg_req => { in => [ "sp", "gp", "none" ], out => [ "sp:I|S", "gp", "none" ] },
330 ins => [ "stack", "size", "mem" ],
331 outs => [ "stack", "addr", "M" ],
332 emit => ". sub %S1, %S2, %D1\n",
336 reg_req => { in => [ "sp", "gp", "none" ], out => [ "sp:I|S", "none" ] },
337 ins => [ "stack", "size", "mem" ],
338 outs => [ "stack", "M" ],
339 emit => ". add %S1, %S2, %D1\n",
343 op_flags => [ "constlike" ],
344 irn_flags => [ "rematerializable" ],
345 attr => "ir_entity *entity, int32_t offset",
346 reg_req => { in => [ "gp" ], out => [ "gp" ] },
348 attr_type => "sparc_attr_t",
349 custominit => "sparc_set_attr_imm(res, entity, offset);",
354 op_flags => [ "labeled", "cfopcode", "forking" ],
357 attr_type => "sparc_jmp_cond_attr_t",
358 attr => "pn_Cmp pnc, bool is_unsigned",
359 init_attr => "\tinit_sparc_jmp_cond_attr(res, pnc, is_unsigned);",
360 reg_req => { in => [ "flags" ], out => [ "none", "none" ] },
364 op_flags => [ "labeled", "cfopcode", "forking" ],
367 attr_type => "sparc_jmp_cond_attr_t",
368 attr => "pn_Cmp pnc",
369 init_attr => "\tinit_sparc_jmp_cond_attr(res, pnc, false);",
370 reg_req => { in => [ "fpflags" ], out => [ "none", "none" ] },
375 op_flags => [ "cfopcode" ],
376 irn_flags => [ "simple_jump" ],
377 reg_req => { out => [ "none" ] },
382 irn_flags => [ "modifies_flags", "modifies_fp_flags" ],
383 state => "exc_pinned",
385 out_arity => "variable",
388 attr => "ir_entity *entity, int32_t offset",
389 custominit => "\tsparc_set_attr_imm(res, entity, offset);",
391 out_arity => "variable",
395 out_arity => "variable",
401 irn_flags => [ "rematerializable", "modifies_flags" ],
402 emit => '. cmp %S1, %R2I',
403 ins => [ "left", "right" ],
405 constructors => \%cmp_operand_constructors,
409 irn_flags => [ "rematerializable", "modifies_flags" ],
412 reg_req => { in => [ "gp" ], out => [ "flags" ] },
417 op_flags => [ "labeled", "cfopcode", "forking" ],
418 irn_flags => [ "modifies_flags" ],
421 attr => "int n_projs, long def_proj_num",
422 init_attr => "\tset_sparc_jmp_switch_n_projs(res, n_projs);\n".
423 "\tset_sparc_jmp_switch_default_proj_num(res, def_proj_num);",
424 reg_req => { in => [ "gp" ], out => [ "none" ] },
425 attr_type => "sparc_jmp_switch_attr_t",
429 irn_flags => [ "rematerializable" ],
431 emit => '. sll %S1, %R2I, %D1',
432 constructors => \%binop_operand_constructors,
436 irn_flags => [ "rematerializable" ],
438 emit => '. srl %S1, %R2I, %D1',
439 constructors => \%binop_operand_constructors,
443 irn_flags => [ "rematerializable" ],
445 emit => '. sra %S1, %R2I, %D1',
446 constructors => \%binop_operand_constructors,
450 irn_flags => [ "rematerializable" ],
452 emit => '. and %S1, %R2I, %D1',
453 constructors => \%binop_operand_constructors,
457 irn_flags => [ "rematerializable" ],
459 emit => '. andn %S1, %R2I, %D1',
460 constructors => \%binop_operand_constructors,
464 irn_flags => [ "rematerializable" ],
466 emit => '. or %S1, %R2I, %D1',
467 constructors => \%binop_operand_constructors,
471 irn_flags => [ "rematerializable" ],
473 emit => '. orn %S1, %R2I, %D1',
474 constructors => \%binop_operand_constructors,
478 irn_flags => [ "rematerializable" ],
480 emit => '. xor %S1, %R2I, %D1',
481 constructors => \%binop_operand_constructors,
485 irn_flags => [ "rematerializable" ],
487 emit => '. xnor %S1, %R2I, %D1',
488 constructors => \%binop_operand_constructors,
492 irn_flags => [ "rematerializable" ],
494 emit => '. smul %S1, %R2I, %D1',
495 constructors => \%binop_operand_constructors,
499 irn_flags => [ "rematerializable" ],
500 outs => [ "low", "high" ],
501 constructors => \%binop_operand_constructors,
504 # The div instructions are kinda hacky. Things to improve:
505 # * Make high-value input explicitely. Either as a gp at first or ideally
506 # as an explicit y-register
509 irn_flags => [ "rematerializable" ],
510 state => "exc_pinned",
511 ins => [ "dividend_low", "divisor" ],
512 outs => [ "res", "M" ],
513 constructors => \%binop_operand_constructors,
517 irn_flags => [ "rematerializable" ],
518 state => "exc_pinned",
519 ins => [ "dividend_low", "divisor" ],
520 outs => [ "res", "M" ],
521 constructors => \%binop_operand_constructors,
525 irn_flags => [ "rematerializable", "modifies_fp_flags" ],
526 emit => '. fcmp%FPM %S1, %S2',
527 attr_type => "sparc_fp_attr_t",
528 attr => "ir_mode *fp_mode",
529 mode => $mode_fpflags,
532 reg_req => { in => [ "fp", "fp" ], out => [ "fpflags" ] },
535 reg_req => { in => [ "fp:a|2", "fp:a|2" ], out => [ "fpflags" ] },
538 reg_req => { in => [ "fp:a|4", "fp:a|4" ], out => [ "fpflags" ] },
544 op_flags => [ "commutative" ],
545 irn_flags => [ "rematerializable" ],
546 emit => '. fadd%FPM %S1, %S2, %D1',
547 attr_type => "sparc_fp_attr_t",
548 attr => "ir_mode *fp_mode",
549 constructors => \%float_binop_constructors,
553 irn_flags => [ "rematerializable" ],
554 emit => '. fsub%FPM %S1, %S2, %D1',
555 attr_type => "sparc_fp_attr_t",
556 attr => "ir_mode *fp_mode",
557 constructors => \%float_binop_constructors,
561 irn_flags => [ "rematerializable" ],
562 op_flags => [ "commutative" ],
563 emit =>'. fmul%FPM %S1, %S2, %D1',
564 attr_type => "sparc_fp_attr_t",
565 attr => "ir_mode *fp_mode",
566 constructors => \%float_binop_constructors,
570 irn_flags => [ "rematerializable" ],
571 emit => '. fdiv%FPM %S1, %S2, %D1',
572 attr_type => "sparc_fp_attr_t",
573 attr => "ir_mode *fp_mode",
574 outs => [ "res", "M" ],
575 constructors => \%float_binop_constructors,
579 irn_flags => [ "rematerializable" ],
580 reg_req => { in => [ "fp" ], out => [ "fp" ] },
581 # note that we only need the first register even for wide-values
582 emit => '. fneg %S1, %D1',
583 attr_type => "sparc_fp_attr_t",
584 attr => "ir_mode *fp_mode",
585 constructors => \%float_unop_constructors,
589 irn_flags => [ "rematerializable" ],
590 # note that we only need the first register even for wide-values
591 emit => '. fabs %S1, %D1',
592 attr_type => "sparc_fp_attr_t",
593 attr => "ir_mode *fp_mode",
594 constructors => \%float_unop_constructors,
598 irn_flags => [ "rematerializable" ],
599 emit => '. f%FCONVS%.to%FCONVD %S1, %D1',
600 attr_type => "sparc_fp_conv_attr_t",
601 attr => "ir_mode *src_mode, ir_mode *dest_mode",
604 reg_req => { in => [ "fp" ], out => [ "fp:a|2" ] },
608 reg_req => { in => [ "fp" ], out => [ "fp:a|2" ] },
612 reg_req => { in => [ "fp:a|2" ], out => [ "fp" ] },
616 reg_req => { in => [ "fp:a|2" ], out => [ "fp:a|4" ] },
620 reg_req => { in => [ "fp:a|4" ], out => [ "fp" ] },
624 reg_req => { in => [ "fp:a|4" ], out => [ "fp:a|2" ] },
631 irn_flags => [ "rematerializable" ],
632 reg_req => { in => [ "gp" ], out => [ "fp" ] },
633 emit => '. fito%FPM %S1, %D1',
634 attr_type => "sparc_fp_attr_t",
635 attr => "ir_mode *fp_mode",
638 reg_req => { in => [ "gp" ], out => [ "fp" ] },
642 reg_req => { in => [ "gp" ], out => [ "fp:a|2" ] },
646 reg_req => { in => [ "gp" ], out => [ "fp:a|4" ] },
653 irn_flags => [ "rematerializable" ],
654 reg_req => { in => [ "fp" ], out => [ "gp" ] },
655 emit => '. f%FPM.toi %S1, %D1',
656 attr_type => "sparc_fp_attr_t",
657 attr => "ir_mode *fp_mode",
661 reg_req => { in => [ "gp" ], out => [ "gp" ] },
664 reg_req => { in => [ "fp:a|2" ], out => [ "gp" ] },
667 reg_req => { in => [ "fp:a|4" ], out => [ "gp" ] },
673 op_flags => [ "labeled", "fragile" ],
674 state => "exc_pinned",
677 reg_req => { in => [ "gp", "none" ], out => [ "fp", "none" ] },
680 reg_req => { in => [ "gp", "none" ], out => [ "fp:a|2", "none" ] },
683 reg_req => { in => [ "gp", "none" ], out => [ "fp:a|4", "none" ] },
686 ins => [ "ptr", "mem" ],
687 outs => [ "res", "M" ],
688 attr_type => "sparc_load_store_attr_t",
689 attr => "ir_mode *ls_mode, ir_entity *entity, int32_t offset, bool is_frame_entity",
690 emit => '. ld%FLSM [%S1%O], %D1'
694 op_flags => [ "labeled", "fragile" ],
695 state => "exc_pinned",
698 reg_req => { in => [ "gp", "fp", "none" ], out => [ "none" ] },
701 reg_req => { in => [ "gp", "fp:a|2", "none" ], out => [ "none" ] },
704 reg_req => { in => [ "gp", "fp:a|4", "none" ], out => [ "none" ] },
707 ins => [ "ptr", "val", "mem" ],
709 attr_type => "sparc_load_store_attr_t",
710 attr => "ir_mode *ls_mode, ir_entity *entity, int32_t offset, bool is_frame_entity",
711 emit => '. st%FLSM %S2, [%S1%O]',