3 # This is a template specification for the Firm-Backend
7 # the cpu architecture (ia32, ia64, mips, sparc, ppc, ...)
12 $mode_flags = "mode_Bu";
15 # The node description is done as a perl hash initializer with the
16 # following structure:
21 # op_flags => "N|L|C|X|I|F|Y|H|c|K", # optional
22 # irn_flags => "R|N|I" # optional
23 # arity => "0|1|2|3 ... |variable|dynamic|any", # optional
24 # state => "floats|pinned|mem_pinned|exc_pinned", # optional
26 # { type => "type 1", name => "name 1" },
27 # { type => "type 2", name => "name 2" },
30 # comment => "any comment for constructor", # optional
31 # reg_req => { in => [ "reg_class|register" ], out => [ "reg_class|register|in_rX" ] },
32 # cmp_attr => "c source code for comparing node attributes", # optional
33 # outs => { "out1", "out2" },# optional, creates pn_op_out1, ... consts
34 # ins => { "in1", "in2" }, # optional, creates n_op_in1, ... consts
35 # mode => "mode_Iu", # optional, predefines the mode
36 # emit => "emit code with templates", # optional for virtual nodes
37 # attr => "additional attribute arguments for constructor", # optional
38 # init_attr => "emit attribute initialization template", # optional
39 # rd_constructor => "c source code which constructs an ir_node", # optional
40 # hash_func => "name of the hash function for this operation", # optional, get the default hash function else
41 # latency => "latency of this operation (can be float)" # optional
42 # attr_type => "name of the attribute struct", # optional
45 # ... # (all nodes you need to describe)
47 # ); # close the %nodes initializer
49 # op_flags: flags for the operation, OPTIONAL (default is "N")
50 # the op_flags correspond to the firm irop_flags:
53 # C irop_flag_commutative
54 # X irop_flag_cfopcode
55 # I irop_flag_ip_cfopcode
58 # H irop_flag_highlevel
59 # c irop_flag_constlike
62 # irn_flags: special node flags, OPTIONAL (default is 0)
63 # following irn_flags are supported:
66 # I ignore for register allocation
68 # state: state of the operation, OPTIONAL (default is "floats")
70 # arity: arity of the operation, MUST NOT BE OMITTED
72 # args: the OPTIONAL arguments of the node constructor (debug, irg and block
73 # are always the first 3 arguments and are always autmatically
75 # If this key is missing the following arguments will be created:
76 # for i = 1 .. arity: ir_node *op_i
79 # outs: if a node defines more than one output, the names of the projections
80 # nodes having outs having automatically the mode mode_T
82 # comment: OPTIONAL comment for the node constructor
84 # rd_constructor: for every operation there will be a
85 # new_rd_<arch>_<op-name> function with the arguments from above
86 # which creates the ir_node corresponding to the defined operation
87 # you can either put the complete source code of this function here
89 # This key is OPTIONAL. If omitted, the following constructor will
91 # if (!op_<arch>_<op-name>) assert(0);
95 # res = new_ir_node(db, irg, block, op_<arch>_<op-name>, mode, arity, in)
98 # NOTE: rd_constructor and args are only optional if and only if arity is 0,1,2 or 3
101 # 0 - no special type
102 # 1 - caller save (register must be saved by the caller of a function)
103 # 2 - callee save (register must be saved by the called function)
104 # 4 - ignore (do not assign this register)
105 # NOTE: Last entry of each class is the largest Firm-Mode a register can hold
107 # available SPARC registers: 8 globals, 24 window regs (8 ins, 8 outs, 8 locals)
110 { name => "g0", realname => "g0", type => 4 }, # hardwired 0, behaves like /dev/null
111 { name => "g1", realname => "g1", type => 1 }, # temp. value
112 { name => "g2", realname => "g2", type => 1 },
113 { name => "g3", realname => "g3", type => 1 },
114 { name => "g4", realname => "g4", type => 1 },
115 { name => "g5", realname => "g5", type => 4 }, # reserved by SPARC ABI
116 { name => "g6", realname => "g6", type => 4 }, # reserved by SPARC ABI
117 { name => "g7", realname => "g7", type => 4 }, # reserved by SPARC ABI
119 # window's out registers
120 { name => "o0", realname => "o0", type => 1 }, # param 1 / return value from callee
121 { name => "o1", realname => "o1", type => 1 }, # param 2
122 { name => "o2", realname => "o2", type => 1 }, # param 3
123 { name => "o3", realname => "o3", type => 1 }, # param 4
124 { name => "o4", realname => "o4", type => 1 }, # param 5
125 { name => "o5", realname => "o5", type => 1 }, # param 6
126 { name => "sp", realname => "sp", type => 4 }, # our stackpointer
127 { name => "o7", realname => "o6", type => 4 }, # temp. value / address of CALL instr.
129 # window's local registers
130 { name => "l0", realname => "l0", type => 0 },
131 { name => "l1", realname => "l1", type => 0 },
132 { name => "l2", realname => "l2", type => 0 },
133 { name => "l3", realname => "l3", type => 0 },
134 { name => "l4", realname => "l4", type => 0 },
135 { name => "l5", realname => "l5", type => 0 },
136 { name => "l6", realname => "l6", type => 0 },
137 { name => "l7", realname => "l7", type => 0 },
139 # window's in registers
140 { name => "i0", realname => "i0", type => 0 }, # incoming param1 / return value to caller
141 { name => "i1", realname => "i1", type => 0 }, # param 2
142 { name => "i2", realname => "i2", type => 0 }, # param 3
143 { name => "i3", realname => "i3", type => 0 }, # param 4
144 { name => "i4", realname => "i4", type => 0 }, # param 5
145 { name => "i5", realname => "i5", type => 0 }, # param 6
146 { name => "fp", realname => "fp", type => 4 }, # our framepointer
147 { name => "i7", realname => "i7", type => 4 }, # return address - 8
151 { name => "y", realname => "y", type => 4 }, # the multiply/divide state register
152 { mode => $mode_flags, flags => "manual_ra" }
155 # { name => "psr", realname => "psr", type => 4 }, # the processor state register
156 # { name => "wim", realname => "wim", type => 4 }, # the window invalid mask register
157 # { name => "tbr", realname => "tbr", type => 4 }, # the trap base register
158 # { name => "pc", realname => "pc", type => 4 }, # the program counter register
159 # { name => "npc", realname => "npc", type => 4 }, # the next instruction addr. (PC + 1) register
160 # { mode => "mode_Iu", flags => "manual_ra" }
163 # fp registers can be accessed any time
165 { name => "f0", type => 1 },
166 { name => "f1", type => 1 },
167 { name => "f2", type => 1 },
168 { name => "f3", type => 1 },
169 { name => "f4", type => 1 },
170 { name => "f5", type => 1 },
171 { name => "f6", type => 1 },
172 { name => "f7", type => 1 },
173 { name => "f8", type => 1 },
174 { name => "f9", type => 1 },
175 { name => "f10", type => 1 },
176 { name => "f11", type => 1 },
177 { name => "f12", type => 1 },
178 { name => "f13", type => 1 },
179 { name => "f14", type => 1 },
180 { name => "f15", type => 1 },
181 { name => "f16", type => 1 },
182 { name => "f17", type => 1 },
183 { name => "f18", type => 1 },
184 { name => "f19", type => 1 },
185 { name => "f20", type => 1 },
186 { name => "f21", type => 1 },
187 { name => "f22", type => 1 },
188 { name => "f23", type => 1 },
189 { name => "f24", type => 1 },
190 { name => "f25", type => 1 },
191 { name => "f26", type => 1 },
192 { name => "f27", type => 1 },
193 { name => "f28", type => 1 },
194 { name => "f29", type => 1 },
195 { name => "f30", type => 1 },
196 { name => "f31", type => 1 },
202 # emit source reg or imm dep. on node's arity
203 RI => "${arch}_emit_reg_or_imm(node, -1);",
204 R1I => "${arch}_emit_reg_or_imm(node, 0);",
205 R2I => "${arch}_emit_reg_or_imm(node, 1);",
206 R3I => "${arch}_emit_reg_or_imm(node, 2);",
207 # simple reg emitters
208 S1 => "${arch}_emit_source_register(node, 0);",
209 S2 => "${arch}_emit_source_register(node, 1);",
210 S3 => "${arch}_emit_source_register(node, 2);",
211 S4 => "${arch}_emit_source_register(node, 3);",
212 S5 => "${arch}_emit_source_register(node, 4);",
213 S6 => "${arch}_emit_source_register(node, 5);",
214 D1 => "${arch}_emit_dest_register(node, 0);",
215 D2 => "${arch}_emit_dest_register(node, 1);",
216 D3 => "${arch}_emit_dest_register(node, 2);",
217 D4 => "${arch}_emit_dest_register(node, 3);",
218 D5 => "${arch}_emit_dest_register(node, 4);",
219 D6 => "${arch}_emit_dest_register(node, 5);",
220 # more custom emitters
221 C => "${arch}_emit_immediate(node);",
222 LM => "${arch}_emit_load_mode(node);",
223 SM => "${arch}_emit_store_mode(node);",
224 O => "${arch}_emit_offset(node);",
227 #--------------------------------------------------#
230 # _ __ _____ __ _ _ __ ___ _ __ ___ #
231 # | '_ \ / _ \ \ /\ / / | | '__| / _ \| '_ \/ __| #
232 # | | | | __/\ V V / | | | | (_) | |_) \__ \ #
233 # |_| |_|\___| \_/\_/ |_|_| \___/| .__/|___/ #
236 #--------------------------------------------------#
238 $default_attr_type = "sparc_attr_t";
239 $default_copy_attr = "sparc_copy_attr";
243 sparc_attr_t => "\tinit_sparc_attributes(res, flags, in_reqs, exec_units, n_res);",
244 sparc_load_store_attr_t => "\tinit_sparc_attributes(res, flags, in_reqs, exec_units, n_res);\n".
245 "\tinit_sparc_load_store_attributes(res, ls_mode, entity, entity_sign, offset, is_frame_entity);",
246 sparc_symconst_attr_t => "\tinit_sparc_attributes(res, flags, in_reqs, exec_units, n_res);\n".
247 "\tinit_sparc_symconst_attributes(res, entity);",
248 sparc_cmp_attr_t => "\tinit_sparc_attributes(res, flags, in_reqs, exec_units, n_res);\n",
249 sparc_jmp_cond_attr_t => "\tinit_sparc_attributes(res, flags, in_reqs, exec_units, n_res);",
250 sparc_jmp_switch_attr_t => "\tinit_sparc_attributes(res, flags, in_reqs, exec_units, n_res);",
251 sparc_save_attr_t => "\tinit_sparc_attributes(res, flags, in_reqs, exec_units, n_res);",
256 sparc_attr_t => "cmp_attr_sparc",
257 sparc_load_store_attr_t => "cmp_attr_sparc_load_store",
258 sparc_symconst_attr_t => "cmp_attr_sparc_symconst",
259 sparc_jmp_cond_attr_t => "cmp_attr_sparc_jmp_cond",
260 sparc_jmp_switch_attr_t => "cmp_attr_sparc_jmp_switch",
261 sparc_cmp_attr_t => "cmp_attr_sparc_cmp",
262 sparc_save_attr_t => "cmp_attr_sparc_save",
266 # addressing modes: imm, reg, reg +/- imm, reg + reg
267 # max. imm = 13 bits signed (-4096 ... 4096)
270 my %cmp_operand_constructors = (
272 attr => "int immediate_value, bool ins_permuted, bool is_unsigned",
273 custominit => "sparc_set_attr_imm(res, immediate_value);" .
274 "\tinit_sparc_cmp_attr(res, ins_permuted, is_unsigned);",
275 reg_req => { in => [ "gp" ], out => [ "flags" ] },
279 attr => "bool ins_permuted, bool is_unsigned",
280 custominit => "init_sparc_cmp_attr(res, ins_permuted, is_unsigned);",
281 reg_req => { in => [ "gp", "gp" ], out => [ "flags" ] },
282 ins => [ "left", "right" ],
286 my %unop_operand_constructors = (
288 attr => "int immediate_value",
289 custominit => "sparc_set_attr_imm(res, immediate_value);",
290 reg_req => { in => [], out => [ "gp" ] },
293 reg_req => { in => [ "gp" ], out => [ "gp" ] },
297 my %binop_operand_constructors = (
299 attr => "int immediate_value",
300 custominit => "sparc_set_attr_imm(res, immediate_value);",
301 reg_req => { in => [ "gp" ], out => [ "gp" ] },
305 reg_req => { in => [ "gp", "gp" ], out => [ "gp" ] },
306 ins => [ "left", "right" ],
312 #-----------------------------------------------------------------#
315 # _ _ __ | |_ ___ __ _ ___ _ __ _ __ ___ __| | ___ ___ #
316 # | | '_ \| __/ _ \/ _` |/ _ \ '__| | '_ \ / _ \ / _` |/ _ \/ __| #
317 # | | | | | || __/ (_| | __/ | | | | | (_) | (_| | __/\__ \ #
318 # |_|_| |_|\__\___|\__, |\___|_| |_| |_|\___/ \__,_|\___||___/ #
321 #-----------------------------------------------------------------#
323 # commutative operations
327 comment => "construct Add: Add(a, b) = Add(b, a) = a + b",
329 emit => '. add %S1, %R2I, %D1',
330 constructors => \%binop_operand_constructors,
335 comment => "construct Sub: Sub(a, b) = a - b",
337 reg_req => { in => [ "gp", "gp" ], out => [ "gp" ] },
338 emit => '. sub %S1, %R2I, %D1',
339 constructors => \%binop_operand_constructors,
346 comment => "construct Load: Load(ptr, mem) = LD ptr -> reg",
347 state => "exc_pinned",
348 ins => [ "ptr", "mem" ],
349 outs => [ "res", "M" ],
350 reg_req => { in => [ "gp", "none" ], out => [ "gp", "none" ] },
351 attr_type => "sparc_load_store_attr_t",
352 attr => "ir_mode *ls_mode, ir_entity *entity, int entity_sign, long offset, bool is_frame_entity",
353 emit => '. ld%LM [%S1%O], %D1'
358 comment => "construct LoadHi: Load(ptr, mem) = sethi hi(ptr) -> reg",
359 state => "exc_pinned",
360 ins => [ "ptr", "mem" ],
361 outs => [ "res", "M" ],
362 reg_req => { in => [ "gp", "none" ], out => [ "gp", "none" ] },
363 attr_type => "sparc_load_store_attr_t",
364 attr => "ir_mode *ls_mode, ir_entity *entity, int entity_sign, long offset, bool is_frame_entity",
365 emit => '. sethi %%hi(%S1), %D1',
370 comment => "construct LoadHi: Load(imm, mem) = sethi hi(imm) -> reg",
371 state => "exc_pinned",
374 reg_req => { in => [], out => [ "gp" ] },
375 #attr_type => "sparc_load_store_attr_t",
376 attr => "int immediate_value",
377 custominit => "sparc_set_attr_imm(res, immediate_value);",
383 comment => "construct LoadHi: Load(imm, mem) = sethi hi(imm) -> reg",
384 state => "exc_pinned",
388 reg_req => { in => [ "gp" ], out => [ "gp" ] },
389 #attr_type => "sparc_load_store_attr_t",
390 attr => "int immediate_value",
391 custominit => "sparc_set_attr_imm(res, immediate_value);",
397 comment => "construct LoadLo: Or(in, ptr, mem) = or in lo(ptr) -> reg",
398 state => "exc_pinned",
399 ins => [ "hireg", "ptr", "mem" ],
400 outs => [ "res", "M" ],
401 reg_req => { in => [ "gp", "gp", "none" ], out => [ "gp", "none" ] },
402 attr_type => "sparc_load_store_attr_t",
403 attr => "ir_mode *ls_mode, ir_entity *entity, int entity_sign, long offset, bool is_frame_entity",
404 emit => '. or %S1, %%lo(%S2), %D1'
409 comment => "construct Store: Store(ptr, val, mem) = ST ptr,val",
411 state => "exc_pinned",
412 ins => [ "ptr", "val", "mem" ],
414 reg_req => { in => [ "gp", "gp", "none" ], out => [ "none" ] },
415 attr_type => "sparc_load_store_attr_t",
416 attr => "ir_mode *ls_mode, ir_entity *entity, int entity_sign, long offset, bool is_frame_entity",
417 emit => '. st%SM %S2, [%S1%O]'
422 comment => "construct Mov: Mov(src, dest) = MV src,dest",
424 emit => '. mov %R1I, %D1',
426 constructors => \%unop_operand_constructors,
430 comment => "function prolog instruction. autom. saves sp & shifts the register window. previous out regs become the new in regs",
432 in => [ "sp", "none"],
433 out => [ "sp:I|S","none" ]
435 ins => [ "stack", "mem" ],
436 outs => [ "stack", "mem" ],
437 attr => "int initial_stacksize",
438 attr_type => "sparc_save_attr_t",
439 init_attr => "\tinit_sparc_save_attr(res, initial_stacksize);",
443 comment => "alloc stack space",
444 reg_req => { in => [ "sp", "gp", "none" ], out => [ "sp:I|S", "gp", "none" ] },
445 ins => [ "stack", "size", "mem" ],
446 outs => [ "stack", "addr", "M" ],
447 emit => ". sub %S1, %S2, %D1\n",
451 comment => "free stack space",
452 reg_req => { in => [ "sp", "gp", "none" ], out => [ "sp:I|S", "none" ] },
453 ins => [ "stack", "size", "mem" ],
454 outs => [ "stack", "M" ],
455 emit => ". add %S1, %S2, %D1\n",
461 attr => "ir_entity *entity",
462 reg_req => { out => [ "gp" ] },
463 attr_type => "sparc_symconst_attr_t",
470 attr => "ir_entity *entity",
471 reg_req => { in => [ "gp" ], out => [ "gp" ] },
473 attr_type => "sparc_symconst_attr_t",
481 reg_req => { in => [ "flags" ], out => [ "none", "none" ] },
482 attr => "int proj_num",
483 attr_type => "sparc_jmp_cond_attr_t",
484 init_attr => "\tset_sparc_jmp_cond_proj_num(res, proj_num);",
491 reg_req => { out => [ "none" ] },
497 emit => '. cmp %S1, %R2I',
499 attr_type => "sparc_cmp_attr_t",
500 constructors => \%cmp_operand_constructors,
507 attr_type => "sparc_cmp_attr_t",
508 attr => "bool ins_permuted, bool is_unsigned",
509 custominit => "init_sparc_cmp_attr(res, ins_permuted, is_unsigned);",
510 reg_req => { in => [ "gp" ], out => [ "flags" ] },
518 attr => "int n_projs, long def_proj_num",
519 init_attr => "\tset_sparc_jmp_switch_n_projs(res, n_projs);\n".
520 "\tset_sparc_jmp_switch_default_proj_num(res, def_proj_num);",
521 reg_req => { in => [ "gp" ], out => [ "none" ] },
522 attr_type => "sparc_jmp_switch_attr_t",
527 comment => "construct shift logical left",
529 reg_req => { in => [ "gp", "gp" ], out => [ "gp" ] },
530 emit => '. sll %S1, %R2I, %D1',
531 constructors => \%binop_operand_constructors,
536 comment => "construct shift logical right",
538 reg_req => { in => [ "gp", "gp" ], out => [ "gp" ] },
539 emit => '. srl %S1, %R2I, %D1',
540 constructors => \%binop_operand_constructors,
545 comment => "construct shift right arithmetical",
547 reg_req => { in => [ "gp", "gp" ], out => [ "gp" ] },
548 emit => '. sra %S1, %R2I, %D1',
549 constructors => \%binop_operand_constructors,
554 comment => "construct logical and",
556 reg_req => { in => [ "gp", "gp" ], out => [ "gp" ] },
557 emit => '. and %S1, %R2I, %D1',
558 constructors => \%binop_operand_constructors,
563 comment => "construct logical or",
565 reg_req => { in => [ "gp", "gp" ], out => [ "gp" ] },
566 emit => '. or %S1, %R2I, %D1',
567 constructors => \%binop_operand_constructors,
572 comment => "construct logical xor",
574 reg_req => { in => [ "gp", "gp" ], out => [ "gp" ] },
575 emit => '. xor %S1, %R2I, %D1',
576 constructors => \%binop_operand_constructors,
580 state => "exc_pinned",
581 comment => "construct Mul: Mul(a, b) = Mul(b, a) = a * b",
582 reg_req => { in => [ "gp", "gp" ], out => [ "gp", "flags" ] },
583 outs => [ "low", "high" ],
584 constructors => \%binop_operand_constructors,
585 emit =>'. umul %S1, %R2I, %D1'
590 state => "exc_pinned",
592 comment => "construct Div: Div(a, b) = a / b",
593 reg_req => { in => [ "gp", "gp" ], out => [ "gp" ] },
595 constructors => \%binop_operand_constructors,
596 emit =>'. udiv %S1, %R2I, %D1'
602 comment => "construct Minus: Minus(a) = -a",
603 #reg_req => { in => [ "gp" ], out => [ "in_r1" ] },
604 reg_req => { in => [ "gp" ], out => [ "gp" ] },
605 emit => ". sub %%g0, %S1, %D1"
611 comment => "construct Not: Not(a) = !a",
612 reg_req => { in => [ "gp" ], out => [ "gp" ] },
613 emit => '. xnor %S1, %%g0, %D1'
618 # comment => "construct Mul: Mul(a, const) = Mul(const, a) = a * const",
619 # reg_req => { in => [ "gp" ], out => [ "gp" ] },
620 # emit => '. mul %S1, %C, %D1'
626 # comment => "construct And: And(a, b) = And(b, a) = a AND b",
627 # reg_req => { in => [ "gp", "gp" ], out => [ "gp" ] },
628 # emit => '. and %S1, %S2, %D1'
633 # comment => "construct And: And(a, const) = And(const, a) = a AND const",
634 # reg_req => { in => [ "gp" ], out => [ "gp" ] },
635 # emit => '. and %S1, %C, %D1'
641 # comment => "construct Or: Or(a, b) = Or(b, a) = a OR b",
642 # reg_req => { in => [ "gp", "gp" ], out => [ "gp" ] },
643 # emit => '. or %S1, %S2, %D1'
649 # comment => "construct Or: Or(a, const) = Or(const, a) = a OR const",
650 # reg_req => { in => [ "gp" ], out => [ "gp" ] },
651 # emit => '. or %S1, %C, %D1'
657 # comment => "construct Eor: Eor(a, b) = Eor(b, a) = a EOR b",
658 # reg_req => { in => [ "gp", "gp" ], out => [ "gp" ] },
659 # emit => '. xor %S1, %S2, %D1'
664 # comment => "construct Eor: Eor(a, const) = Eor(const, a) = a EOR const",
665 # reg_req => { in => [ "gp" ], out => [ "gp" ] },
666 # emit => '. xor %S1, %C, %D1'
669 # not commutative operations
672 # comment => "construct Shl: Shl(a, b) = a << b",
673 # reg_req => { in => [ "gp", "gp" ], out => [ "gp" ] },
674 # emit => '. shl %S1, %S2, %D1'
679 # comment => "construct Shl: Shl(a, const) = a << const",
680 # reg_req => { in => [ "gp" ], out => [ "gp" ] },
681 # emit => '. shl %S1, %C, %D1'
686 # comment => "construct Shr: Shr(a, b) = a >> b",
687 # reg_req => { in => [ "gp", "gp" ], out => [ "in_r1" ] },
688 # emit => '. shr %S2, %D1'
693 # comment => "construct Shr: Shr(a, const) = a >> const",
694 # reg_req => { in => [ "gp" ], out => [ "gp" ] },
695 # emit => '. shr %S1, %C, %D1'
700 # comment => "construct RotR: RotR(a, b) = a ROTR b",
701 # reg_req => { in => [ "gp", "gp" ], out => [ "gp" ] },
702 # emit => '. ror %S1, %S2, %D1'
707 # comment => "construct RotL: RotL(a, b) = a ROTL b",
708 # reg_req => { in => [ "gp", "gp" ], out => [ "gp" ] },
709 # emit => '. rol %S1, %S2, %D1'
714 # comment => "construct RotL: RotL(a, const) = a ROTL const",
715 # reg_req => { in => [ "gp" ], out => [ "gp" ] },
716 # emit => '. rol %S1, %C, %D1'
721 # comment => "construct Minus: Minus(a) = -a",
722 # reg_req => { in => [ "gp" ], out => [ "gp" ] },
723 # emit => '. neg %S1, %D1'
728 # comment => "construct Increment: Inc(a) = a++",
729 # reg_req => { in => [ "gp" ], out => [ "gp" ] },
730 # emit => '. inc %S1, %D1'
735 # comment => "construct Decrement: Dec(a) = a--",
736 # reg_req => { in => [ "gp" ], out => [ "gp" ] },
737 # emit => '. dec %S1, %D1'
743 # comment => "construct Not: Not(a) = !a",
744 # reg_req => { in => [ "gp" ], out => [ "gp" ] },
745 # emit => '. not %S1, %D1'
749 #--------------------------------------------------------#
752 # | |_| | ___ __ _| |_ _ __ ___ __| | ___ ___ #
753 # | _| |/ _ \ / _` | __| | '_ \ / _ \ / _` |/ _ \/ __| #
754 # | | | | (_) | (_| | |_ | | | | (_) | (_| | __/\__ \ #
755 # |_| |_|\___/ \__,_|\__| |_| |_|\___/ \__,_|\___||___/ #
756 #--------------------------------------------------------#
758 # commutative operations
763 # comment => "construct FP Add: Add(a, b) = Add(b, a) = a + b",
764 # reg_req => { in => [ "fp", "fp" ], out => [ "fp" ] },
765 # emit => '. fadd %S1, %S2, %D1'
770 # comment => "construct FP Mul: Mul(a, b) = Mul(b, a) = a * b",
771 # reg_req => { in => [ "fp", "fp" ], out => [ "fp" ] },
772 # emit =>'. fmul %S1, %S2, %D1'
778 # comment => "construct FP Max: Max(a, b) = Max(b, a) = a > b ? a : b",
779 # reg_req => { in => [ "fp", "fp" ], out => [ "fp" ] },
780 # emit =>'. fmax %S1, %S2, %D1'
786 # comment => "construct FP Min: Min(a, b) = Min(b, a) = a < b ? a : b",
787 # reg_req => { in => [ "fp", "fp" ], out => [ "fp" ] },
788 # emit =>'. fmin %S1, %S2, %D1'
791 ## not commutative operations
795 # comment => "construct FP Sub: Sub(a, b) = a - b",
796 # reg_req => { in => [ "fp", "fp" ], out => [ "fp" ] },
797 # emit => '. fsub %S1, %S2, %D1'
801 # comment => "construct FP Div: Div(a, b) = a / b",
802 # reg_req => { in => [ "fp", "fp" ], out => [ "fp" ] },
803 # emit => '. fdiv %S1, %S2, %D1'
808 # comment => "construct FP Minus: Minus(a) = -a",
809 # reg_req => { in => [ "fp" ], out => [ "fp" ] },
810 # emit => '. fneg %S1, %D1'
818 # comment => "represents a FP constant",
819 # reg_req => { out => [ "fp" ] },
820 # emit => '. fmov %C, %D1',
823 # /* TODO: compare fConst attributes */
833 # state => "exc_pinned",
834 # comment => "construct FP Load: Load(ptr, mem) = LD ptr",
835 # reg_req => { in => [ "gp", "none" ], out => [ "fp" ] },
836 # emit => '. fmov (%S1), %D1'
842 # state => "exc_pinned",
843 # comment => "construct Store: Store(ptr, val, mem) = ST ptr,val",
844 # reg_req => { in => [ "gp", "fp", "none" ] },
845 # emit => '. fmov %S2, (%S1)'