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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [config/] [arc/] [arc.md] - Blame information for rev 282

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1 282 jeremybenn 
;; Machine description of the Argonaut ARC cpu for GNU C compiler
2 
;; Copyright (C) 1994, 1997, 1998, 1999, 2000, 2004, 2005, 2007, 2008
3 
;; Free Software Foundation, Inc.
4 
 
5 
;; This file is part of GCC.
6 
 
7 
;; GCC is free software; you can redistribute it and/or modify
8 
;; it under the terms of the GNU General Public License as published by
9 
;; the Free Software Foundation; either version 3, or (at your option)
10 
;; any later version.
11 
 
12 
;; GCC is distributed in the hope that it will be useful,
13 
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
14 
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 
;; GNU General Public License for more details.
16 
 
17 
;; You should have received a copy of the GNU General Public License
18 
;; along with GCC; see the file COPYING3.  If not see
19 
;; .
20 
 
21 
;; See file "rtl.def" for documentation on define_insn, match_*, et. al.
22 
 
23 
;; ??? This is an old port, and is undoubtedly suffering from bit rot.
24 
 
25 
;; Insn type.  Used to default other attribute values.
26 
 
27 
(define_attr "type"
28 
  "move,load,store,cmove,unary,binary,compare,shift,mul,uncond_branch,branch,call,call_no_delay_slot,multi,misc"
29 
  (const_string "binary"))
30 
 
31 
;; Length (in # of insns, long immediate constants counted too).
32 
;; ??? There's a nasty interaction between the conditional execution fsm
33 
;; and insn lengths: insns with shimm values cannot be conditionally executed.
34 
(define_attr "length" ""
35 
  (cond [(eq_attr "type" "load")
36 
         (if_then_else (match_operand 1 "long_immediate_loadstore_operand" "")
37 
                       (const_int 2) (const_int 1))
38 
 
39 
         (eq_attr "type" "store")
40 
         (if_then_else (match_operand 0 "long_immediate_loadstore_operand" "")
41 
                       (const_int 2) (const_int 1))
42 
 
43 
         (eq_attr "type" "move,unary,compare")
44 
         (if_then_else (match_operand 1 "long_immediate_operand" "")
45 
                       (const_int 2) (const_int 1))
46 
 
47 
         (eq_attr "type" "binary,mul")
48 
         (if_then_else (match_operand 2 "long_immediate_operand" "")
49 
                       (const_int 2) (const_int 1))
50 
 
51 
         (eq_attr "type" "cmove")
52 
         (if_then_else (match_operand 2 "register_operand" "")
53 
                       (const_int 1) (const_int 2))
54 
 
55 
         (eq_attr "type" "multi") (const_int 2)
56 
        ]
57 
 
58 
        (const_int 1)))
59 
 
60 
;; The length here is the length of a single asm.  Unfortunately it might be
61 
;; 1 or 2 so we must allow for 2.  That's ok though.  How often will users
62 
;; lament asm's not being put in delay slots?
63 
(define_asm_attributes
64 
  [(set_attr "length" "2")
65 
   (set_attr "type" "multi")])
66 
 
67 
;; Condition codes: this one is used by final_prescan_insn to speed up
68 
;; conditionalizing instructions.  It saves having to scan the rtl to see if
69 
;; it uses or alters the condition codes.
70 
 
71 
;; USE: This insn uses the condition codes (e.g.: a conditional branch).
72 
;; CANUSE: This insn can use the condition codes (for conditional execution).
73 
;; SET: All condition codes are set by this insn.
74 
;; SET_ZN: the Z and N flags are set by this insn.
75 
;; SET_ZNC: the Z, N, and C flags are set by this insn.
76 
;; CLOB: The condition codes are set to unknown values by this insn.
77 
;; NOCOND: This insn can't use and doesn't affect the condition codes.
78 
 
79 
(define_attr "cond" "use,canuse,set,set_zn,set_znc,clob,nocond"
80 
  (cond [(and (eq_attr "type" "unary,binary,move")
81 
              (eq_attr "length" "1"))
82 
         (const_string "canuse")
83 
 
84 
         (eq_attr "type" "compare")
85 
         (const_string "set")
86 
 
87 
         (eq_attr "type" "cmove,branch")
88 
         (const_string "use")
89 
 
90 
         (eq_attr "type" "multi,misc")
91 
         (const_string "clob")
92 
         ]
93 
 
94 
         (const_string "nocond")))
95 
 
96 
;; Delay slots.
97 
 
98 
(define_attr "in_delay_slot" "false,true"
99 
  (cond [(eq_attr "type" "uncond_branch,branch,call,call_no_delay_slot,multi")
100 
         (const_string "false")
101 
         ]
102 
 
103 
         (if_then_else (eq_attr "length" "1")
104 
                       (const_string "true")
105 
                       (const_string "false"))))
106 
 
107 
(define_delay (eq_attr "type" "call")
108 
  [(eq_attr "in_delay_slot" "true")
109 
   (eq_attr "in_delay_slot" "true")
110 
   (eq_attr "in_delay_slot" "true")])
111 
 
112 
(define_delay (eq_attr "type" "branch,uncond_branch")
113 
  [(eq_attr "in_delay_slot" "true")
114 
   (eq_attr "in_delay_slot" "true")
115 
   (eq_attr "in_delay_slot" "true")])
116 
 
117 
;; Scheduling description for the ARC
118 
 
119 
(define_cpu_unit "branch")
120 
 
121 
(define_insn_reservation "any_insn" 1 (eq_attr "type" "!load,compare,branch")
122 
                         "nothing")
123 
 
124 
;; 1) A conditional jump cannot immediately follow the insn setting the flags.
125 
;; This isn't a complete solution as it doesn't come with guarantees.  That
126 
;; is done in the branch patterns and in arc_print_operand.  This exists to
127 
;; avoid inserting a nop when we can.
128 
 
129 
(define_insn_reservation "compare" 1 (eq_attr "type" "compare")
130 
                         "nothing,branch")
131 
 
132 
(define_insn_reservation "branch" 1 (eq_attr "type" "branch")
133 
                         "branch")
134 
 
135 
;; 2) References to loaded registers should wait a cycle.
136 
 
137 
;; Memory with load-delay of 1 (i.e., 2 cycle load).
138 
 
139 
(define_insn_reservation "memory" 2 (eq_attr "type" "load")
140 
                         "nothing")
141 
 
142 
;; Move instructions.
143 
 
144 
(define_expand "movqi"
145 
  [(set (match_operand:QI 0 "general_operand" "")
146 
        (match_operand:QI 1 "general_operand" ""))]
147 
  ""
148 
  "
149 
{
150 
  /* Everything except mem = const or mem = mem can be done easily.  */
151 
 
152 
  if (GET_CODE (operands[0]) == MEM)
153 
    operands[1] = force_reg (QImode, operands[1]);
154 
}")
155 
 
156 
(define_insn "*movqi_insn"
157 
  [(set (match_operand:QI 0 "move_dest_operand" "=r,r,r,m")
158 
        (match_operand:QI 1 "move_src_operand" "rI,Ji,m,r"))]
159 
;; ??? Needed?
160 
  "register_operand (operands[0], QImode)
161 
   || register_operand (operands[1], QImode)"
162 
  "@
163 
   mov%? %0,%1
164 
   mov%? %0,%1
165 
   ldb%U1%V1 %0,%1
166 
   stb%U0%V0 %1,%0"
167 
  [(set_attr "type" "move,move,load,store")])
168 
 
169 
;; ??? This may never match since there's no cmpqi insn.
170 
 
171 
(define_insn "*movqi_set_cc_insn"
172 
  [(set (reg:CCZN 61) (compare:CCZN
173 
                       (sign_extend:SI (match_operand:QI 1 "move_src_operand" "rIJi"))
174 
                       (const_int 0)))
175 
   (set (match_operand:QI 0 "move_dest_operand" "=r")
176 
        (match_dup 1))]
177 
  ""
178 
  "mov%?.f %0,%1"
179 
  [(set_attr "type" "move")
180 
   (set_attr "cond" "set_zn")])
181 
 
182 
(define_expand "movhi"
183 
  [(set (match_operand:HI 0 "general_operand" "")
184 
        (match_operand:HI 1 "general_operand" ""))]
185 
  ""
186 
  "
187 
{
188 
  /* Everything except mem = const or mem = mem can be done easily.  */
189 
 
190 
  if (GET_CODE (operands[0]) == MEM)
191 
    operands[1] = force_reg (HImode, operands[1]);
192 
}")
193 
 
194 
(define_insn "*movhi_insn"
195 
  [(set (match_operand:HI 0 "move_dest_operand" "=r,r,r,m")
196 
        (match_operand:HI 1 "move_src_operand" "rI,Ji,m,r"))]
197 
  "register_operand (operands[0], HImode)
198 
   || register_operand (operands[1], HImode)"
199 
  "@
200 
   mov%? %0,%1
201 
   mov%? %0,%1
202 
   ldw%U1%V1 %0,%1
203 
   stw%U0%V0 %1,%0"
204 
  [(set_attr "type" "move,move,load,store")])
205 
 
206 
;; ??? Will this ever match?
207 
 
208 
(define_insn "*movhi_set_cc_insn"
209 
  [(set (reg:CCZN 61) (compare:CCZN
210 
                       (sign_extend:SI (match_operand:HI 1 "move_src_operand" "rIJi"))
211 
                       (const_int 0)))
212 
   (set (match_operand:HI 0 "move_dest_operand" "=r")
213 
        (match_dup 1))]
214 
;; ??? Needed?
215 
  "register_operand (operands[0], HImode)
216 
   || register_operand (operands[1], HImode)"
217 
  "mov%?.f %0,%1"
218 
  [(set_attr "type" "move")
219 
   (set_attr "cond" "set_zn")])
220 
 
221 
(define_expand "movsi"
222 
  [(set (match_operand:SI 0 "general_operand" "")
223 
        (match_operand:SI 1 "general_operand" ""))]
224 
  ""
225 
  "
226 
{
227 
  /* Everything except mem = const or mem = mem can be done easily.  */
228 
 
229 
  if (GET_CODE (operands[0]) == MEM)
230 
    operands[1] = force_reg (SImode, operands[1]);
231 
}")
232 
 
233 
(define_insn "*movsi_insn"
234 
  [(set (match_operand:SI 0 "move_dest_operand" "=r,r,r,m")
235 
        (match_operand:SI 1 "move_src_operand" "rI,GJi,m,r"))]
236 
  "register_operand (operands[0], SImode)
237 
   || register_operand (operands[1], SImode)"
238 
  "@
239 
   mov%? %0,%1
240 
   mov%? %0,%S1
241 
   ld%U1%V1 %0,%1
242 
   st%U0%V0 %1,%0"
243 
  [(set_attr "type" "move,move,load,store")])
244 
 
245 
(define_insn "*movsi_set_cc_insn"
246 
  [(set (reg:CCZN 61) (compare:CCZN
247 
                       (match_operand:SI 1 "move_src_operand" "rIJi")
248 
                       (const_int 0)))
249 
   (set (match_operand:SI 0 "move_dest_operand" "=r")
250 
        (match_dup 1))]
251 
  "register_operand (operands[0], SImode)
252 
   || register_operand (operands[1], SImode)"
253 
  "mov%?.f %0,%S1"
254 
  [(set_attr "type" "move")
255 
   (set_attr "cond" "set_zn")])
256 
 
257 
(define_expand "movdi"
258 
  [(set (match_operand:DI 0 "general_operand" "")
259 
        (match_operand:DI 1 "general_operand" ""))]
260 
  ""
261 
  "
262 
{
263 
  /* Everything except mem = const or mem = mem can be done easily.  */
264 
 
265 
  if (GET_CODE (operands[0]) == MEM)
266 
    operands[1] = force_reg (DImode, operands[1]);
267 
}")
268 
 
269 
(define_insn "*movdi_insn"
270 
  [(set (match_operand:DI 0 "move_dest_operand" "=r,r,r,m")
271 
        (match_operand:DI 1 "move_double_src_operand" "r,HK,m,r"))]
272 
  "register_operand (operands[0], DImode)
273 
   || register_operand (operands[1], DImode)"
274 
  "*
275 
{
276 
  switch (which_alternative)
277 
    {
278 
    case 0 :
279 
      /* We normally copy the low-numbered register first.  However, if
280 
         the first register operand 0 is the same as the second register of
281 
         operand 1, we must copy in the opposite order.  */
282 
      if (REGNO (operands[0]) == REGNO (operands[1]) + 1)
283 
        return \"mov %R0,%R1\;mov %0,%1\";
284 
      else
285 
        return \"mov %0,%1\;mov %R0,%R1\";
286 
    case 1 :
287 
      return \"mov %0,%L1\;mov %R0,%H1\";
288 
    case 2 :
289 
      /* If the low-address word is used in the address, we must load it
290 
         last.  Otherwise, load it first.  Note that we cannot have
291 
         auto-increment in that case since the address register is known to be
292 
         dead.  */
293 
      if (refers_to_regno_p (REGNO (operands[0]), REGNO (operands[0]) + 1,
294 
                             operands [1], 0))
295 
          return \"ld%V1 %R0,%R1\;ld%V1 %0,%1\";
296 
      else
297 
          return \"ld%V1 %0,%1\;ld%V1 %R0,%R1\";
298 
    case 3 :
299 
      return \"st%V0 %1,%0\;st%V0 %R1,%R0\";
300 
    default:
301 
      gcc_unreachable ();
302 
    }
303 
}"
304 
  [(set_attr "type" "move,move,load,store")
305 
   ;; ??? The ld/st values could be 4 if it's [reg,bignum].
306 
   (set_attr "length" "2,4,2,2")])
307 
 
308 
;(define_expand "movdi"
309 
;  [(set (match_operand:DI 0 "general_operand" "")
310 
;       (match_operand:DI 1 "general_operand" ""))]
311 
;  ""
312 
;  "
313 
;{
314 
;  /* Flow doesn't understand that this is effectively a DFmode move.
315 
;     It doesn't know that all of `operands[0]' is set.  */
316 
;  emit_clobber (operands[0]);
317 
;
318 
;  /* Emit insns that movsi_insn can handle.  */
319 
;  emit_insn (gen_movsi (operand_subword (operands[0], 0, 0, DImode),
320 
;                       operand_subword (operands[1], 0, 0, DImode)));
321 
;  emit_insn (gen_movsi (operand_subword (operands[0], 1, 0, DImode),
322 
;                       operand_subword (operands[1], 1, 0, DImode)));
323 
;  DONE;
324 
;}")
325 
 
326 
;; Floating point move insns.
327 
 
328 
(define_expand "movsf"
329 
  [(set (match_operand:SF 0 "general_operand" "")
330 
        (match_operand:SF 1 "general_operand" ""))]
331 
  ""
332 
  "
333 
{
334 
  /* Everything except mem = const or mem = mem can be done easily.  */
335 
  if (GET_CODE (operands[0]) == MEM)
336 
    operands[1] = force_reg (SFmode, operands[1]);
337 
}")
338 
 
339 
(define_insn "*movsf_insn"
340 
  [(set (match_operand:SF 0 "move_dest_operand" "=r,r,r,m")
341 
        (match_operand:SF 1 "move_src_operand" "r,E,m,r"))]
342 
  "register_operand (operands[0], SFmode)
343 
   || register_operand (operands[1], SFmode)"
344 
  "@
345 
   mov%? %0,%1
346 
   mov%? %0,%1 ; %A1
347 
   ld%U1%V1 %0,%1
348 
   st%U0%V0 %1,%0"
349 
  [(set_attr "type" "move,move,load,store")])
350 
 
351 
(define_expand "movdf"
352 
  [(set (match_operand:DF 0 "general_operand" "")
353 
        (match_operand:DF 1 "general_operand" ""))]
354 
  ""
355 
  "
356 
{
357 
  /* Everything except mem = const or mem = mem can be done easily.  */
358 
  if (GET_CODE (operands[0]) == MEM)
359 
    operands[1] = force_reg (DFmode, operands[1]);
360 
}")
361 
 
362 
(define_insn "*movdf_insn"
363 
  [(set (match_operand:DF 0 "move_dest_operand" "=r,r,r,m")
364 
        (match_operand:DF 1 "move_double_src_operand" "r,E,m,r"))]
365 
  "register_operand (operands[0], DFmode)
366 
   || register_operand (operands[1], DFmode)"
367 
  "*
368 
{
369 
  switch (which_alternative)
370 
    {
371 
    case 0 :
372 
      /* We normally copy the low-numbered register first.  However, if
373 
         the first register operand 0 is the same as the second register of
374 
         operand 1, we must copy in the opposite order.  */
375 
      if (REGNO (operands[0]) == REGNO (operands[1]) + 1)
376 
        return \"mov %R0,%R1\;mov %0,%1\";
377 
      else
378 
        return \"mov %0,%1\;mov %R0,%R1\";
379 
    case 1 :
380 
      return \"mov %0,%L1\;mov %R0,%H1 ; %A1\";
381 
    case 2 :
382 
      /* If the low-address word is used in the address, we must load it
383 
         last.  Otherwise, load it first.  Note that we cannot have
384 
         auto-increment in that case since the address register is known to be
385 
         dead.  */
386 
      if (refers_to_regno_p (REGNO (operands[0]), REGNO (operands[0]) + 1,
387 
                             operands [1], 0))
388 
        return \"ld%V1 %R0,%R1\;ld%V1 %0,%1\";
389 
      else
390 
        return \"ld%V1 %0,%1\;ld%V1 %R0,%R1\";
391 
    case 3 :
392 
      return \"st%V0 %1,%0\;st%V0 %R1,%R0\";
393 
    default:
394 
      gcc_unreachable ();
395 
    }
396 
}"
397 
  [(set_attr "type" "move,move,load,store")
398 
   ;; ??? The ld/st values could be 4 if it's [reg,bignum].
399 
   (set_attr "length" "2,4,2,2")])
400 
 
401 
;(define_expand "movdf"
402 
;  [(set (match_operand:DF 0 "general_operand" "")
403 
;       (match_operand:DF 1 "general_operand" ""))]
404 
;  ""
405 
;  "
406 
;{
407 
;  /* Flow doesn't understand that this is effectively a DFmode move.
408 
;     It doesn't know that all of `operands[0]' is set.  */
409 
;  emit_clobber (operands[0]);
410 
;
411 
;  /* Emit insns that movsi_insn can handle.  */
412 
;  emit_insn (gen_movsi (operand_subword (operands[0], 0, 0, DFmode),
413 
;                       operand_subword (operands[1], 0, 0, DFmode)));
414 
;  emit_insn (gen_movsi (operand_subword (operands[0], 1, 0, DFmode),
415 
;                       operand_subword (operands[1], 1, 0, DFmode)));
416 
;  DONE;
417 
;}")
418 
 
419 
;; Load/Store with update instructions.
420 
;;
421 
;; Some of these we can get by using pre-decrement or pre-increment, but the
422 
;; hardware can also do cases where the increment is not the size of the
423 
;; object.
424 
;;
425 
;; In all these cases, we use operands 0 and 1 for the register being
426 
;; incremented because those are the operands that local-alloc will
427 
;; tie and these are the pair most likely to be tieable (and the ones
428 
;; that will benefit the most).
429 
;;
430 
;; We use match_operator here because we need to know whether the memory
431 
;; object is volatile or not.
432 
 
433 
(define_insn "*loadqi_update"
434 
  [(set (match_operand:QI 3 "register_operand" "=r,r")
435 
        (match_operator:QI 4 "load_update_operand"
436 
         [(match_operand:SI 1 "register_operand" "0,0")
437 
          (match_operand:SI 2 "nonmemory_operand" "rI,J")]))
438 
   (set (match_operand:SI 0 "register_operand" "=r,r")
439 
        (plus:SI (match_dup 1) (match_dup 2)))]
440 
  ""
441 
  "ldb.a%V4 %3,[%0,%2]"
442 
  [(set_attr "type" "load,load")
443 
   (set_attr "length" "1,2")])
444 
 
445 
(define_insn "*load_zeroextendqisi_update"
446 
  [(set (match_operand:SI 3 "register_operand" "=r,r")
447 
        (zero_extend:SI (match_operator:QI 4 "load_update_operand"
448 
                         [(match_operand:SI 1 "register_operand" "0,0")
449 
                          (match_operand:SI 2 "nonmemory_operand" "rI,J")])))
450 
   (set (match_operand:SI 0 "register_operand" "=r,r")
451 
        (plus:SI (match_dup 1) (match_dup 2)))]
452 
  ""
453 
  "ldb.a%V4 %3,[%0,%2]"
454 
  [(set_attr "type" "load,load")
455 
   (set_attr "length" "1,2")])
456 
 
457 
(define_insn "*load_signextendqisi_update"
458 
  [(set (match_operand:SI 3 "register_operand" "=r,r")
459 
        (sign_extend:SI (match_operator:QI 4 "load_update_operand"
460 
                         [(match_operand:SI 1 "register_operand" "0,0")
461 
                          (match_operand:SI 2 "nonmemory_operand" "rI,J")])))
462 
   (set (match_operand:SI 0 "register_operand" "=r,r")
463 
        (plus:SI (match_dup 1) (match_dup 2)))]
464 
  ""
465 
  "ldb.x.a%V4 %3,[%0,%2]"
466 
  [(set_attr "type" "load,load")
467 
   (set_attr "length" "1,2")])
468 
 
469 
(define_insn "*storeqi_update"
470 
  [(set (match_operator:QI 4 "store_update_operand"
471 
         [(match_operand:SI 1 "register_operand" "0")
472 
          (match_operand:SI 2 "short_immediate_operand" "I")])
473 
        (match_operand:QI 3 "register_operand" "r"))
474 
   (set (match_operand:SI 0 "register_operand" "=r")
475 
        (plus:SI (match_dup 1) (match_dup 2)))]
476 
  ""
477 
  "stb.a%V4 %3,[%0,%2]"
478 
  [(set_attr "type" "store")
479 
   (set_attr "length" "1")])
480 
 
481 
(define_insn "*loadhi_update"
482 
  [(set (match_operand:HI 3 "register_operand" "=r,r")
483 
        (match_operator:HI 4 "load_update_operand"
484 
         [(match_operand:SI 1 "register_operand" "0,0")
485 
          (match_operand:SI 2 "nonmemory_operand" "rI,J")]))
486 
   (set (match_operand:SI 0 "register_operand" "=r,r")
487 
        (plus:SI (match_dup 1) (match_dup 2)))]
488 
  ""
489 
  "ldw.a%V4 %3,[%0,%2]"
490 
  [(set_attr "type" "load,load")
491 
   (set_attr "length" "1,2")])
492 
 
493 
(define_insn "*load_zeroextendhisi_update"
494 
  [(set (match_operand:SI 3 "register_operand" "=r,r")
495 
        (zero_extend:SI (match_operator:HI 4 "load_update_operand"
496 
                         [(match_operand:SI 1 "register_operand" "0,0")
497 
                          (match_operand:SI 2 "nonmemory_operand" "rI,J")])))
498 
   (set (match_operand:SI 0 "register_operand" "=r,r")
499 
        (plus:SI (match_dup 1) (match_dup 2)))]
500 
  ""
501 
  "ldw.a%V4 %3,[%0,%2]"
502 
  [(set_attr "type" "load,load")
503 
   (set_attr "length" "1,2")])
504 
 
505 
(define_insn "*load_signextendhisi_update"
506 
  [(set (match_operand:SI 3 "register_operand" "=r,r")
507 
        (sign_extend:SI (match_operator:HI 4 "load_update_operand"
508 
                         [(match_operand:SI 1 "register_operand" "0,0")
509 
                          (match_operand:SI 2 "nonmemory_operand" "rI,J")])))
510 
   (set (match_operand:SI 0 "register_operand" "=r,r")
511 
        (plus:SI (match_dup 1) (match_dup 2)))]
512 
  ""
513 
  "ldw.x.a%V4 %3,[%0,%2]"
514 
  [(set_attr "type" "load,load")
515 
   (set_attr "length" "1,2")])
516 
 
517 
(define_insn "*storehi_update"
518 
  [(set (match_operator:HI 4 "store_update_operand"
519 
         [(match_operand:SI 1 "register_operand" "0")
520 
          (match_operand:SI 2 "short_immediate_operand" "I")])
521 
        (match_operand:HI 3 "register_operand" "r"))
522 
   (set (match_operand:SI 0 "register_operand" "=r")
523 
        (plus:SI (match_dup 1) (match_dup 2)))]
524 
  ""
525 
  "stw.a%V4 %3,[%0,%2]"
526 
  [(set_attr "type" "store")
527 
   (set_attr "length" "1")])
528 
 
529 
(define_insn "*loadsi_update"
530 
  [(set (match_operand:SI 3 "register_operand" "=r,r")
531 
        (match_operator:SI 4 "load_update_operand"
532 
         [(match_operand:SI 1 "register_operand" "0,0")
533 
          (match_operand:SI 2 "nonmemory_operand" "rI,J")]))
534 
   (set (match_operand:SI 0 "register_operand" "=r,r")
535 
        (plus:SI (match_dup 1) (match_dup 2)))]
536 
  ""
537 
  "ld.a%V4 %3,[%0,%2]"
538 
  [(set_attr "type" "load,load")
539 
   (set_attr "length" "1,2")])
540 
 
541 
(define_insn "*storesi_update"
542 
  [(set (match_operator:SI 4 "store_update_operand"
543 
         [(match_operand:SI 1 "register_operand" "0")
544 
          (match_operand:SI 2 "short_immediate_operand" "I")])
545 
        (match_operand:SI 3 "register_operand" "r"))
546 
   (set (match_operand:SI 0 "register_operand" "=r")
547 
        (plus:SI (match_dup 1) (match_dup 2)))]
548 
  ""
549 
  "st.a%V4 %3,[%0,%2]"
550 
  [(set_attr "type" "store")
551 
   (set_attr "length" "1")])
552 
 
553 
(define_insn "*loadsf_update"
554 
  [(set (match_operand:SF 3 "register_operand" "=r,r")
555 
        (match_operator:SF 4 "load_update_operand"
556 
         [(match_operand:SI 1 "register_operand" "0,0")
557 
          (match_operand:SI 2 "nonmemory_operand" "rI,J")]))
558 
   (set (match_operand:SI 0 "register_operand" "=r,r")
559 
        (plus:SI (match_dup 1) (match_dup 2)))]
560 
  ""
561 
  "ld.a%V4 %3,[%0,%2]"
562 
  [(set_attr "type" "load,load")
563 
   (set_attr "length" "1,2")])
564 
 
565 
(define_insn "*storesf_update"
566 
  [(set (match_operator:SF 4 "store_update_operand"
567 
         [(match_operand:SI 1 "register_operand" "0")
568 
          (match_operand:SI 2 "short_immediate_operand" "I")])
569 
        (match_operand:SF 3 "register_operand" "r"))
570 
   (set (match_operand:SI 0 "register_operand" "=r")
571 
        (plus:SI (match_dup 1) (match_dup 2)))]
572 
  ""
573 
  "st.a%V4 %3,[%0,%2]"
574 
  [(set_attr "type" "store")
575 
   (set_attr "length" "1")])
576 
 
577 
;; Conditional move instructions.
578 
 
579 
(define_expand "movsicc"
580 
  [(set (match_operand:SI 0 "register_operand" "")
581 
        (if_then_else:SI (match_operand 1 "comparison_operator" "")
582 
                         (match_operand:SI 2 "nonmemory_operand" "")
583 
                         (match_operand:SI 3 "register_operand" "")))]
584 
  ""
585 
  "
586 
{
587 
  enum rtx_code code = GET_CODE (operands[1]);
588 
  rtx cc_reg = gen_compare_reg (code, XEXP (operands[1], 0),
589 
                                XEXP (operands[1], 1));
590 
  operands[1] = gen_rtx_fmt_ee (code, VOIDmode, cc_reg, const0_rtx);
591 
}")
592 
 
593 
(define_expand "movsfcc"
594 
  [(set (match_operand:SF 0 "register_operand" "")
595 
        (if_then_else:SF (match_operand 1 "comparison_operator" "")
596 
                         (match_operand:SF 2 "nonmemory_operand" "")
597 
                         (match_operand:SF 3 "register_operand" "")))]
598 
  ""
599 
  "
600 
{
601 
  enum rtx_code code = GET_CODE (operands[1]);
602 
  rtx cc_reg = gen_compare_reg (code, XEXP (operands[1], 0),
603 
                                XEXP (operands[1], 1));
604 
  operands[1] = gen_rtx_fmt_ee (code, VOIDmode, cc_reg, const0_rtx);
605 
}")
606 
 
607 
(define_insn "*movsicc_insn"
608 
  [(set (match_operand:SI 0 "register_operand" "=r")
609 
        (if_then_else:SI (match_operand 1 "comparison_operator" "")
610 
                         (match_operand:SI 2 "nonmemory_operand" "rJi")
611 
                         (match_operand:SI 3 "register_operand" "0")))]
612 
  ""
613 
  "mov.%d1 %0,%S2"
614 
  [(set_attr "type" "cmove")])
615 
 
616 
(define_insn "*movsfcc_insn"
617 
  [(set (match_operand:SF 0 "register_operand" "=r,r")
618 
        (if_then_else:SF (match_operand 1 "comparison_operator" "")
619 
                         (match_operand:SF 2 "nonmemory_operand" "r,E")
620 
                         (match_operand:SF 3 "register_operand" "0,0")))]
621 
  ""
622 
  "@
623 
   mov.%d1 %0,%2
624 
   mov.%d1 %0,%2 ; %A2"
625 
  [(set_attr "type" "cmove,cmove")])
626 
 
627 
 
628 
;; Zero extension instructions.
629 
;; ??? We don't support volatile memrefs here, but I'm not sure why.
630 
 
631 
(define_insn "zero_extendqihi2"
632 
  [(set (match_operand:HI 0 "register_operand" "=r,r")
633 
        (zero_extend:HI (match_operand:QI 1 "nonvol_nonimm_operand" "r,m")))]
634 
  ""
635 
  "@
636 
   extb%? %0,%1
637 
   ldb%U1 %0,%1"
638 
  [(set_attr "type" "unary,load")])
639 
 
640 
(define_insn "*zero_extendqihi2_set_cc_insn"
641 
  [(set (reg:CCZN 61) (compare:CCZN
642 
                       (zero_extend:SI (match_operand:QI 1 "register_operand" "r"))
643 
                       (const_int 0)))
644 
   (set (match_operand:HI 0 "register_operand" "=r")
645 
        (zero_extend:HI (match_dup 1)))]
646 
  ""
647 
  "extb%?.f %0,%1"
648 
  [(set_attr "type" "unary")
649 
   (set_attr "cond" "set_zn")])
650 
 
651 
(define_insn "zero_extendqisi2"
652 
  [(set (match_operand:SI 0 "register_operand" "=r,r")
653 
        (zero_extend:SI (match_operand:QI 1 "nonvol_nonimm_operand" "r,m")))]
654 
  ""
655 
  "@
656 
   extb%? %0,%1
657 
   ldb%U1 %0,%1"
658 
  [(set_attr "type" "unary,load")])
659 
 
660 
(define_insn "*zero_extendqisi2_set_cc_insn"
661 
  [(set (reg:CCZN 61) (compare:CCZN
662 
                       (zero_extend:SI (match_operand:QI 1 "register_operand" "r"))
663 
                       (const_int 0)))
664 
   (set (match_operand:SI 0 "register_operand" "=r")
665 
        (zero_extend:SI (match_dup 1)))]
666 
  ""
667 
  "extb%?.f %0,%1"
668 
  [(set_attr "type" "unary")
669 
   (set_attr "cond" "set_zn")])
670 
 
671 
(define_insn "zero_extendhisi2"
672 
  [(set (match_operand:SI 0 "register_operand" "=r,r")
673 
        (zero_extend:SI (match_operand:HI 1 "nonvol_nonimm_operand" "r,m")))]
674 
  ""
675 
  "@
676 
   extw%? %0,%1
677 
   ldw%U1 %0,%1"
678 
  [(set_attr "type" "unary,load")])
679 
 
680 
(define_insn "*zero_extendhisi2_set_cc_insn"
681 
  [(set (reg:CCZN 61) (compare:CCZN
682 
                       (zero_extend:SI (match_operand:HI 1 "register_operand" "r"))
683 
                       (const_int 0)))
684 
   (set (match_operand:SI 0 "register_operand" "=r")
685 
        (zero_extend:SI (match_dup 1)))]
686 
  ""
687 
  "extw%?.f %0,%1"
688 
  [(set_attr "type" "unary")
689 
   (set_attr "cond" "set_zn")])
690 
 
691 
;; Sign extension instructions.
692 
 
693 
(define_insn "extendqihi2"
694 
  [(set (match_operand:HI 0 "register_operand" "=r,r")
695 
        (sign_extend:HI (match_operand:QI 1 "nonvol_nonimm_operand" "r,m")))]
696 
  ""
697 
  "@
698 
   sexb%? %0,%1
699 
   ldb.x%U1 %0,%1"
700 
  [(set_attr "type" "unary,load")])
701 
 
702 
(define_insn "*extendqihi2_set_cc_insn"
703 
  [(set (reg:CCZN 61) (compare:CCZN
704 
                       (sign_extend:SI (match_operand:QI 1 "register_operand" "r"))
705 
                       (const_int 0)))
706 
   (set (match_operand:HI 0 "register_operand" "=r")
707 
        (sign_extend:HI (match_dup 1)))]
708 
  ""
709 
  "sexb%?.f %0,%1"
710 
  [(set_attr "type" "unary")
711 
   (set_attr "cond" "set_zn")])
712 
 
713 
(define_insn "extendqisi2"
714 
  [(set (match_operand:SI 0 "register_operand" "=r,r")
715 
        (sign_extend:SI (match_operand:QI 1 "nonvol_nonimm_operand" "r,m")))]
716 
  ""
717 
  "@
718 
   sexb%? %0,%1
719 
   ldb.x%U1 %0,%1"
720 
  [(set_attr "type" "unary,load")])
721 
 
722 
(define_insn "*extendqisi2_set_cc_insn"
723 
  [(set (reg:CCZN 61) (compare:CCZN
724 
                       (sign_extend:SI (match_operand:QI 1 "register_operand" "r"))
725 
                       (const_int 0)))
726 
   (set (match_operand:SI 0 "register_operand" "=r")
727 
        (sign_extend:SI (match_dup 1)))]
728 
  ""
729 
  "sexb%?.f %0,%1"
730 
  [(set_attr "type" "unary")
731 
   (set_attr "cond" "set_zn")])
732 
 
733 
(define_insn "extendhisi2"
734 
  [(set (match_operand:SI 0 "register_operand" "=r,r")
735 
        (sign_extend:SI (match_operand:HI 1 "nonvol_nonimm_operand" "r,m")))]
736 
  ""
737 
  "@
738 
   sexw%? %0,%1
739 
   ldw.x%U1 %0,%1"
740 
  [(set_attr "type" "unary,load")])
741 
 
742 
(define_insn "*extendhisi2_set_cc_insn"
743 
  [(set (reg:CCZN 61) (compare:CCZN
744 
                       (sign_extend:SI (match_operand:HI 1 "register_operand" "r"))
745 
                       (const_int 0)))
746 
   (set (match_operand:SI 0 "register_operand" "=r")
747 
        (sign_extend:SI (match_dup 1)))]
748 
  ""
749 
  "sexw%?.f %0,%1"
750 
  [(set_attr "type" "unary")
751 
   (set_attr "cond" "set_zn")])
752 
 
753 
;; Arithmetic instructions.
754 
 
755 
(define_insn "addsi3"
756 
  [(set (match_operand:SI 0 "register_operand" "=r")
757 
        (plus:SI (match_operand:SI 1 "register_operand" "%r")
758 
                 (match_operand:SI 2 "nonmemory_operand" "rIJ")))]
759 
  ""
760 
  "add%? %0,%1,%2")
761 
 
762 
(define_insn "*addsi3_set_cc_insn"
763 
  [(set (reg:CC 61) (compare:CC
764 
                     (plus:SI (match_operand:SI 1 "register_operand" "%r")
765 
                              (match_operand:SI 2 "nonmemory_operand" "rIJ"))
766 
                     (const_int 0)))
767 
   (set (match_operand:SI 0 "register_operand" "=r")
768 
        (plus:SI (match_dup 1)
769 
                 (match_dup 2)))]
770 
  ""
771 
  "add%?.f %0,%1,%2"
772 
  [(set_attr "cond" "set")])
773 
 
774 
(define_insn "adddi3"
775 
  [(set (match_operand:DI 0 "register_operand" "=r")
776 
        (plus:DI (match_operand:DI 1 "nonmemory_operand" "%r")
777 
                 (match_operand:DI 2 "nonmemory_operand" "ri")))
778 
   (clobber (reg:CC 61))]
779 
  ""
780 
  "*
781 
{
782 
  rtx op2 = operands[2];
783 
 
784 
  if (GET_CODE (op2) == CONST_INT)
785 
    {
786 
      int sign = INTVAL (op2);
787 
      if (sign < 0)
788 
        return \"add.f %L0,%L1,%2\;adc %H0,%H1,-1\";
789 
      else
790 
        return \"add.f %L0,%L1,%2\;adc %H0,%H1,0\";
791 
    }
792 
  else
793 
    return \"add.f %L0,%L1,%L2\;adc %H0,%H1,%H2\";
794 
}"
795 
  [(set_attr "length" "2")])
796 
 
797 
(define_insn "subsi3"
798 
  [(set (match_operand:SI 0 "register_operand" "=r")
799 
        (minus:SI (match_operand:SI 1 "register_operand" "r")
800 
                  (match_operand:SI 2 "nonmemory_operand" "rIJ")))]
801 
  ""
802 
  "sub%? %0,%1,%2")
803 
 
804 
(define_insn "*subsi3_set_cc_insn"
805 
  [(set (reg:CC 61) (compare:CC
806 
                     (minus:SI (match_operand:SI 1 "register_operand" "%r")
807 
                               (match_operand:SI 2 "nonmemory_operand" "rIJ"))
808 
                     (const_int 0)))
809 
   (set (match_operand:SI 0 "register_operand" "=r")
810 
        (minus:SI (match_dup 1)
811 
                  (match_dup 2)))]
812 
  ""
813 
  "sub%?.f %0,%1,%2"
814 
  [(set_attr "cond" "set")])
815 
 
816 
(define_insn "subdi3"
817 
  [(set (match_operand:DI 0 "register_operand" "=r")
818 
        (minus:DI (match_operand:DI 1 "nonmemory_operand" "r")
819 
                  (match_operand:DI 2 "nonmemory_operand" "ri")))
820 
   (clobber (reg:CC 61))]
821 
  ""
822 
  "*
823 
{
824 
  rtx op2 = operands[2];
825 
 
826 
  if (GET_CODE (op2) == CONST_INT)
827 
    {
828 
      int sign = INTVAL (op2);
829 
      if (sign < 0)
830 
        return \"sub.f %L0,%L1,%2\;sbc %H0,%H1,-1\";
831 
      else
832 
        return \"sub.f %L0,%L1,%2\;sbc %H0,%H1,0\";
833 
    }
834 
  else
835 
    return \"sub.f %L0,%L1,%L2\;sbc %H0,%H1,%H2\";
836 
}"
837 
  [(set_attr "length" "2")])
838 
 
839 
;; Boolean instructions.
840 
;;
841 
;; We don't define the DImode versions as expand_binop does a good enough job.
842 
 
843 
(define_insn "andsi3"
844 
  [(set (match_operand:SI 0 "register_operand" "=r")
845 
        (and:SI (match_operand:SI 1 "register_operand" "%r")
846 
                (match_operand:SI 2 "nonmemory_operand" "rIJ")))]
847 
  ""
848 
  "and%? %0,%1,%2")
849 
 
850 
(define_insn "*andsi3_set_cc_insn"
851 
  [(set (reg:CCZN 61) (compare:CCZN
852 
                       (and:SI (match_operand:SI 1 "register_operand" "%r")
853 
                               (match_operand:SI 2 "nonmemory_operand" "rIJ"))
854 
                       (const_int 0)))
855 
   (set (match_operand:SI 0 "register_operand" "=r")
856 
        (and:SI (match_dup 1)
857 
                (match_dup 2)))]
858 
  ""
859 
  "and%?.f %0,%1,%2"
860 
  [(set_attr "cond" "set_zn")])
861 
 
862 
(define_insn "*bicsi3_insn"
863 
  [(set (match_operand:SI 0 "register_operand" "=r,r,r,r")
864 
        (and:SI (match_operand:SI 1 "nonmemory_operand" "r,r,I,J")
865 
                (not:SI (match_operand:SI 2 "nonmemory_operand" "rI,J,r,r"))))]
866 
  ""
867 
  "bic%? %0,%1,%2"
868 
  [(set_attr "length" "1,2,1,2")])
869 
 
870 
(define_insn "*bicsi3_set_cc_insn"
871 
  [(set (reg:CCZN 61) (compare:CCZN
872 
                       (and:SI (match_operand:SI 1 "register_operand" "%r")
873 
                               (not:SI (match_operand:SI 2 "nonmemory_operand" "rIJ")))
874 
                       (const_int 0)))
875 
   (set (match_operand:SI 0 "register_operand" "=r")
876 
        (and:SI (match_dup 1)
877 
                (not:SI (match_dup 2))))]
878 
  ""
879 
  "bic%?.f %0,%1,%2"
880 
  [(set_attr "cond" "set_zn")])
881 
 
882 
(define_insn "iorsi3"
883 
  [(set (match_operand:SI 0 "register_operand" "=r")
884 
        (ior:SI (match_operand:SI 1 "register_operand" "%r")
885 
                (match_operand:SI 2 "nonmemory_operand" "rIJ")))]
886 
  ""
887 
  "or%? %0,%1,%2")
888 
 
889 
(define_insn "*iorsi3_set_cc_insn"
890 
  [(set (reg:CCZN 61) (compare:CCZN
891 
                       (ior:SI (match_operand:SI 1 "register_operand" "%r")
892 
                               (match_operand:SI 2 "nonmemory_operand" "rIJ"))
893 
                       (const_int 0)))
894 
   (set (match_operand:SI 0 "register_operand" "=r")
895 
        (ior:SI (match_dup 1)
896 
                (match_dup 2)))]
897 
  ""
898 
  "or%?.f %0,%1,%2"
899 
  [(set_attr "cond" "set_zn")])
900 
 
901 
(define_insn "xorsi3"
902 
  [(set (match_operand:SI 0 "register_operand" "=r")
903 
        (xor:SI (match_operand:SI 1 "register_operand" "%r")
904 
                (match_operand:SI 2 "nonmemory_operand" "rIJ")))]
905 
  ""
906 
  "xor%? %0,%1,%2")
907 
 
908 
(define_insn "*xorsi3_set_cc_insn"
909 
  [(set (reg:CCZN 61) (compare:CCZN
910 
                       (xor:SI (match_operand:SI 1 "register_operand" "%r")
911 
                               (match_operand:SI 2 "nonmemory_operand" "rIJ"))
912 
                       (const_int 0)))
913 
   (set (match_operand:SI 0 "register_operand" "=r")
914 
        (xor:SI (match_dup 1)
915 
                (match_dup 2)))]
916 
  ""
917 
  "xor%?.f %0,%1,%2"
918 
  [(set_attr "cond" "set_zn")])
919 
 
920 
(define_insn "negsi2"
921 
  [(set (match_operand:SI 0 "register_operand" "=r")
922 
        (neg:SI (match_operand:SI 1 "register_operand" "r")))]
923 
  ""
924 
  "sub%? %0,0,%1"
925 
  [(set_attr "type" "unary")])
926 
 
927 
(define_insn "*negsi2_set_cc_insn"
928 
  [(set (reg:CC 61) (compare:CC
929 
                     (neg:SI (match_operand:SI 1 "register_operand" "r"))
930 
                     (const_int 0)))
931 
   (set (match_operand:SI 0 "register_operand" "=r")
932 
        (neg:SI (match_dup 1)))]
933 
  ""
934 
  "sub%?.f %0,0,%1"
935 
  [(set_attr "type" "unary")
936 
   (set_attr "cond" "set")])
937 
 
938 
(define_insn "negdi2"
939 
  [(set (match_operand:DI 0 "register_operand" "=r")
940 
        (neg:DI (match_operand:DI 1 "register_operand" "r")))
941 
   (clobber (reg:SI 61))]
942 
  ""
943 
  "sub.f %L0,0,%L1\;sbc %H0,0,%H1"
944 
  [(set_attr "type" "unary")
945 
   (set_attr "length" "2")])
946 
 
947 
(define_insn "one_cmplsi2"
948 
  [(set (match_operand:SI 0 "register_operand" "=r")
949 
        (not:SI (match_operand:SI 1 "register_operand" "r")))]
950 
  ""
951 
  "xor%? %0,%1,-1"
952 
  [(set_attr "type" "unary")])
953 
 
954 
(define_insn "*one_cmplsi2_set_cc_insn"
955 
  [(set (reg:CCZN 61) (compare:CCZN
956 
                       (not:SI (match_operand:SI 1 "register_operand" "r"))
957 
                       (const_int 0)))
958 
   (set (match_operand:SI 0 "register_operand" "=r")
959 
        (not:SI (match_dup 1)))]
960 
  ""
961 
  "xor%?.f %0,%1,-1"
962 
  [(set_attr "type" "unary")
963 
   (set_attr "cond" "set_zn")])
964 
 
965 
;; Shift instructions.
966 
 
967 
(define_expand "ashlsi3"
968 
  [(set (match_operand:SI 0 "register_operand" "")
969 
        (ashift:SI (match_operand:SI 1 "register_operand" "")
970 
                   (match_operand:SI 2 "nonmemory_operand" "")))]
971 
  ""
972 
  "
973 
{
974 
  if (! TARGET_SHIFTER)
975 
    {
976 
      emit_insn (gen_rtx_PARALLEL
977 
                 (VOIDmode,
978 
                  gen_rtvec (2,
979 
                             gen_rtx_SET (VOIDmode, operands[0],
980 
                                          gen_rtx_ASHIFT (SImode, operands[1],
981 
                                                          operands[2])),
982 
                             gen_rtx_CLOBBER (VOIDmode,
983 
                                              gen_rtx_SCRATCH (SImode)))));
984 
      DONE;
985 
    }
986 
}")
987 
 
988 
(define_expand "ashrsi3"
989 
  [(set (match_operand:SI 0 "register_operand" "")
990 
        (ashiftrt:SI (match_operand:SI 1 "register_operand" "")
991 
                     (match_operand:SI 2 "nonmemory_operand" "")))]
992 
  ""
993 
  "
994 
{
995 
  if (! TARGET_SHIFTER)
996 
    {
997 
      emit_insn (gen_rtx_PARALLEL
998 
                 (VOIDmode,
999 
                  gen_rtvec (2,
1000 
                             gen_rtx_SET (VOIDmode, operands[0],
1001 
                                          gen_rtx_ASHIFTRT (SImode,
1002 
                                                            operands[1],
1003 
                                                            operands[2])),
1004 
                             gen_rtx_CLOBBER (VOIDmode,
1005 
                                              gen_rtx_SCRATCH (SImode)))));
1006 
      DONE;
1007 
    }
1008 
}")
1009 
 
1010 
(define_expand "lshrsi3"
1011 
  [(set (match_operand:SI 0 "register_operand" "")
1012 
        (lshiftrt:SI (match_operand:SI 1 "register_operand" "")
1013 
                     (match_operand:SI 2 "nonmemory_operand" "")))]
1014 
  ""
1015 
  "
1016 
{
1017 
  if (! TARGET_SHIFTER)
1018 
    {
1019 
      emit_insn (gen_rtx_PARALLEL
1020 
                 (VOIDmode,
1021 
                  gen_rtvec (2,
1022 
                             gen_rtx_SET (VOIDmode, operands[0],
1023 
                                          gen_rtx_LSHIFTRT (SImode,
1024 
                                                            operands[1],
1025 
                                                            operands[2])),
1026 
                             gen_rtx_CLOBBER (VOIDmode,
1027 
                                              gen_rtx_SCRATCH (SImode)))));
1028 
      DONE;
1029 
    }
1030 
}")
1031 
 
1032 
(define_insn "*ashlsi3_insn"
1033 
  [(set (match_operand:SI 0 "register_operand" "=r,r,r,r")
1034 
        (ashift:SI (match_operand:SI 1 "nonmemory_operand" "r,r,I,J")
1035 
                   (match_operand:SI 2 "nonmemory_operand" "rI,J,r,r")))]
1036 
  "TARGET_SHIFTER"
1037 
  "asl%? %0,%1,%2"
1038 
  [(set_attr "type" "shift")
1039 
   (set_attr "length" "1,2,1,2")])
1040 
 
1041 
(define_insn "*ashrsi3_insn"
1042 
  [(set (match_operand:SI 0 "register_operand" "=r,r,r,r")
1043 
        (ashiftrt:SI (match_operand:SI 1 "nonmemory_operand" "r,r,I,J")
1044 
                     (match_operand:SI 2 "nonmemory_operand" "rI,J,r,r")))]
1045 
  "TARGET_SHIFTER"
1046 
  "asr%? %0,%1,%2"
1047 
  [(set_attr "type" "shift")
1048 
   (set_attr "length" "1,2,1,2")])
1049 
 
1050 
(define_insn "*lshrsi3_insn"
1051 
  [(set (match_operand:SI 0 "register_operand" "=r,r,r,r")
1052 
        (lshiftrt:SI (match_operand:SI 1 "nonmemory_operand" "r,r,I,J")
1053 
                     (match_operand:SI 2 "nonmemory_operand" "rI,J,r,r")))]
1054 
  "TARGET_SHIFTER"
1055 
  "lsr%? %0,%1,%2"
1056 
  [(set_attr "type" "shift")
1057 
   (set_attr "length" "1,2,1,2")])
1058 
 
1059 
(define_insn "*shift_si3"
1060 
  [(set (match_operand:SI 0 "register_operand" "=r")
1061 
        (match_operator:SI 3 "shift_operator"
1062 
                           [(match_operand:SI 1 "register_operand" "0")
1063 
                            (match_operand:SI 2 "nonmemory_operand" "rIJ")]))
1064 
   (clobber (match_scratch:SI 4 "=&r"))]
1065 
  "! TARGET_SHIFTER"
1066 
  "* return output_shift (operands);"
1067 
  [(set_attr "type" "shift")
1068 
   (set_attr "length" "8")])
1069 
 
1070 
;; Compare instructions.
1071 
;; This controls RTL generation and register allocation.
1072 
 
1073 
;; ??? We may be able to relax this a bit by adding a new constant 'K' for 0.
1074 
;; This assumes sub.f 0,symbol,0 is a valid insn.
1075 
;; Note that "sub.f 0,r0,1" is an 8 byte insn.  To avoid unnecessarily
1076 
;; creating 8 byte insns we duplicate %1 in the destination reg of the insn
1077 
;; if it's a small constant.
1078 
 
1079 
(define_insn "*cmpsi_cc_insn"
1080 
  [(set (reg:CC 61)
1081 
        (compare:CC (match_operand:SI 0 "register_operand" "r,r,r")
1082 
                    (match_operand:SI 1 "nonmemory_operand" "r,I,J")))]
1083 
  ""
1084 
  "@
1085 
   sub.f 0,%0,%1
1086 
   sub.f %1,%0,%1
1087 
   sub.f 0,%0,%1"
1088 
  [(set_attr "type" "compare,compare,compare")])
1089 
 
1090 
(define_insn "*cmpsi_cczn_insn"
1091 
  [(set (reg:CCZN 61)
1092 
        (compare:CCZN (match_operand:SI 0 "register_operand" "r,r,r")
1093 
                      (match_operand:SI 1 "nonmemory_operand" "r,I,J")))]
1094 
  ""
1095 
  "@
1096 
   sub.f 0,%0,%1
1097 
   sub.f %1,%0,%1
1098 
   sub.f 0,%0,%1"
1099 
  [(set_attr "type" "compare,compare,compare")])
1100 
 
1101 
(define_insn "*cmpsi_ccznc_insn"
1102 
  [(set (reg:CCZNC 61)
1103 
        (compare:CCZNC (match_operand:SI 0 "register_operand" "r,r,r")
1104 
                       (match_operand:SI 1 "nonmemory_operand" "r,I,J")))]
1105 
  ""
1106 
  "@
1107 
   sub.f 0,%0,%1
1108 
   sub.f %1,%0,%1
1109 
   sub.f 0,%0,%1"
1110 
  [(set_attr "type" "compare,compare,compare")])
1111 
 
1112 
;; Next come the scc insn and its expander.
1113 
 
1114 
(define_expand "cstoresi4"
1115 
  [(set (match_dup 4)
1116 
        (match_op_dup 5
1117 
         [(match_operand:SI 2 "register_operand" "")
1118 
          (match_operand:SI 3 "nonmemory_operand" "")]))
1119 
   (set (match_operand:SI 0 "register_operand")
1120 
        (match_operator:SI 1 "ordered_comparison_operator"
1121 
         [(match_dup 4)
1122 
          (const_int 0)]))]
1123 
  ""
1124 
  "
1125 
{
1126 
  operands[4] = gen_compare_reg (GET_CODE (operands[1]),
1127 
                                 operands[2], operands[3]);
1128 
  operands[5] = gen_rtx_fmt_ee (COMPARE,
1129 
                                GET_MODE (operands[4]),
1130 
                                operands[2], operands[3]);
1131 
}")
1132 
 
1133 
(define_insn "*scc_insn"
1134 
  [(set (match_operand:SI 0 "register_operand" "=r")
1135 
        (match_operator:SI 1 "comparison_operator" [(reg 61) (const_int 0)]))]
1136 
  ""
1137 
  "mov %0,1\;sub.%D1 %0,%0,%0"
1138 
  [(set_attr "type" "unary")
1139 
   (set_attr "length" "2")])
1140 
 
1141 
;; ??? Look up negscc insn.  See pa.md for example.
1142 
(define_insn "*neg_scc_insn"
1143 
  [(set (match_operand:SI 0 "register_operand" "=r")
1144 
        (neg:SI (match_operator:SI 1 "comparison_operator"
1145 
                 [(reg 61) (const_int 0)])))]
1146 
  ""
1147 
  "mov %0,-1\;sub.%D1 %0,%0,%0"
1148 
  [(set_attr "type" "unary")
1149 
   (set_attr "length" "2")])
1150 
 
1151 
(define_insn "*not_scc_insn"
1152 
  [(set (match_operand:SI 0 "register_operand" "=r")
1153 
        (not:SI (match_operator:SI 1 "comparison_operator"
1154 
                 [(reg 61) (const_int 0)])))]
1155 
  ""
1156 
  "mov %0,1\;sub.%d1 %0,%0,%0"
1157 
  [(set_attr "type" "unary")
1158 
   (set_attr "length" "2")])
1159 
 
1160 
;; These control RTL generation for conditional jump insns
1161 
 
1162 
(define_expand "cbranchsi4"
1163 
  [(set (match_dup 4)
1164 
        (match_op_dup 5
1165 
         [(match_operand:SI 1 "register_operand" "")
1166 
          (match_operand:SI 2 "nonmemory_operand" "")]))
1167 
   (set (pc)
1168 
        (if_then_else
1169 
              (match_operator 0 "ordered_comparison_operator"
1170 
               [(match_dup 4)
1171 
                (const_int 0)])
1172 
              (label_ref (match_operand 3 "" ""))
1173 
              (pc)))]
1174 
  ""
1175 
  "
1176 
{
1177 
  operands[4] = gen_compare_reg (GET_CODE (operands[0]),
1178 
                                 operands[1], operands[2]);
1179 
  operands[5] = gen_rtx_fmt_ee (COMPARE,
1180 
                                GET_MODE (operands[4]),
1181 
                                operands[1], operands[2]);
1182 
}")
1183 
 
1184 
;; Now match both normal and inverted jump.
1185 
 
1186 
(define_insn "*branch_insn"
1187 
  [(set (pc)
1188 
        (if_then_else (match_operator 1 "proper_comparison_operator"
1189 
                                      [(reg 61) (const_int 0)])
1190 
                      (label_ref (match_operand 0 "" ""))
1191 
                      (pc)))]
1192 
  ""
1193 
  "*
1194 
{
1195 
  if (arc_ccfsm_branch_deleted_p ())
1196 
    {
1197 
      arc_ccfsm_record_branch_deleted ();
1198 
      return \"; branch deleted, next insns conditionalized\";
1199 
    }
1200 
  else
1201 
    return \"%~b%d1%# %l0\";
1202 
}"
1203 
  [(set_attr "type" "branch")])
1204 
 
1205 
(define_insn "*rev_branch_insn"
1206 
  [(set (pc)
1207 
        (if_then_else (match_operator 1 "proper_comparison_operator"
1208 
                                      [(reg 61) (const_int 0)])
1209 
                      (pc)
1210 
                      (label_ref (match_operand 0 "" ""))))]
1211 
  "REVERSIBLE_CC_MODE (GET_MODE (XEXP (operands[1], 0)))"
1212 
  "*
1213 
{
1214 
  if (arc_ccfsm_branch_deleted_p ())
1215 
    {
1216 
      arc_ccfsm_record_branch_deleted ();
1217 
      return \"; branch deleted, next insns conditionalized\";
1218 
    }
1219 
  else
1220 
    return \"%~b%D1%# %l0\";
1221 
}"
1222 
  [(set_attr "type" "branch")])
1223 
 
1224 
;; Unconditional and other jump instructions.
1225 
 
1226 
(define_insn "jump"
1227 
  [(set (pc) (label_ref (match_operand 0 "" "")))]
1228 
  ""
1229 
  "b%* %l0"
1230 
  [(set_attr "type" "uncond_branch")])
1231 
 
1232 
(define_insn "indirect_jump"
1233 
  [(set (pc) (match_operand:SI 0 "address_operand" "p"))]
1234 
  ""
1235 
  "j%* %a0"
1236 
  [(set_attr "type" "uncond_branch")])
1237 
 
1238 
;; Implement a switch statement.
1239 
;; This wouldn't be necessary in the non-pic case if we could distinguish
1240 
;; label refs of the jump table from other label refs.  The problem is that
1241 
;; label refs are output as "%st(.LL42)" but we don't want the %st - we want
1242 
;; the real address since it's the address of the table.
1243 
 
1244 
(define_expand "casesi"
1245 
  [(set (match_dup 5)
1246 
        (minus:SI (match_operand:SI 0 "register_operand" "")
1247 
                  (match_operand:SI 1 "nonmemory_operand" "")))
1248 
   (set (reg:CC 61)
1249 
        (compare:CC (match_dup 5)
1250 
                    (match_operand:SI 2 "nonmemory_operand" "")))
1251 
   (set (pc)
1252 
        (if_then_else (gtu (reg:CC 61)
1253 
                           (const_int 0))
1254 
                      (label_ref (match_operand 4 "" ""))
1255 
                      (pc)))
1256 
   (parallel
1257 
    [(set (pc)
1258 
          (mem:SI (plus:SI (mult:SI (match_dup 5)
1259 
                                    (const_int 4))
1260 
                           (label_ref (match_operand 3 "" "")))))
1261 
     (clobber (match_scratch:SI 6 ""))
1262 
     (clobber (match_scratch:SI 7 ""))])]
1263 
  ""
1264 
  "
1265 
{
1266 
  operands[5] = gen_reg_rtx (SImode);
1267 
}")
1268 
 
1269 
(define_insn "*casesi_insn"
1270 
  [(set (pc)
1271 
        (mem:SI (plus:SI (mult:SI (match_operand:SI 0 "register_operand" "r")
1272 
                                  (const_int 4))
1273 
                         (label_ref (match_operand 1 "" "")))))
1274 
   (clobber (match_scratch:SI 2 "=r"))
1275 
   (clobber (match_scratch:SI 3 "=r"))]
1276 
  ""
1277 
  "*
1278 
{
1279 
  output_asm_insn (\"mov %2,%1\", operands);
1280 
  if (TARGET_SHIFTER)
1281 
    output_asm_insn (\"asl %3,%0,2\", operands);
1282 
  else
1283 
    output_asm_insn (\"asl %3,%0\;asl %3,%3\", operands);
1284 
  output_asm_insn (\"ld %2,[%2,%3]\", operands);
1285 
  output_asm_insn (\"j.nd %a2\", operands);
1286 
  return \"\";
1287 
}"
1288 
  [(set_attr "type" "uncond_branch")
1289 
   (set_attr "length" "6")])
1290 
 
1291 
(define_insn "tablejump"
1292 
  [(set (pc) (match_operand:SI 0 "address_operand" "p"))
1293 
   (use (label_ref (match_operand 1 "" "")))]
1294 
  "0 /* disabled -> using casesi now */"
1295 
  "j%* %a0"
1296 
  [(set_attr "type" "uncond_branch")])
1297 
 
1298 
(define_expand "call"
1299 
  ;; operands[1] is stack_size_rtx
1300 
  ;; operands[2] is next_arg_register
1301 
  [(parallel [(call (match_operand:SI 0 "call_operand" "")
1302 
                    (match_operand 1 "" ""))
1303 
             (clobber (reg:SI 31))])]
1304 
  ""
1305 
  "")
1306 
 
1307 
(define_insn "*call_via_reg"
1308 
  [(call (mem:SI (match_operand:SI 0 "register_operand" "r"))
1309 
         (match_operand 1 "" ""))
1310 
   (clobber (reg:SI 31))]
1311 
  ""
1312 
  "lr blink,[status]\;j.d %0\;add blink,blink,2"
1313 
  [(set_attr "type" "call_no_delay_slot")
1314 
   (set_attr "length" "3")])
1315 
 
1316 
(define_insn "*call_via_label"
1317 
  [(call (mem:SI (match_operand:SI 0 "call_address_operand" ""))
1318 
         (match_operand 1 "" ""))
1319 
   (clobber (reg:SI 31))]
1320 
  ""
1321 
  ; The %~ is necessary in case this insn gets conditionalized and the previous
1322 
  ; insn is the cc setter.
1323 
  "%~bl%!%* %0"
1324 
  [(set_attr "type" "call")
1325 
   (set_attr "cond" "canuse")])
1326 
 
1327 
(define_expand "call_value"
1328 
  ;; operand 2 is stack_size_rtx
1329 
  ;; operand 3 is next_arg_register
1330 
  [(parallel [(set (match_operand 0 "register_operand" "=r")
1331 
                   (call (match_operand:SI 1 "call_operand" "")
1332 
                         (match_operand 2 "" "")))
1333 
             (clobber (reg:SI 31))])]
1334 
  ""
1335 
  "")
1336 
 
1337 
(define_insn "*call_value_via_reg"
1338 
  [(set (match_operand 0 "register_operand" "=r")
1339 
        (call (mem:SI (match_operand:SI 1 "register_operand" "r"))
1340 
              (match_operand 2 "" "")))
1341 
   (clobber (reg:SI 31))]
1342 
  ""
1343 
  "lr blink,[status]\;j.d %1\;add blink,blink,2"
1344 
  [(set_attr "type" "call_no_delay_slot")
1345 
   (set_attr "length" "3")])
1346 
 
1347 
(define_insn "*call_value_via_label"
1348 
  [(set (match_operand 0 "register_operand" "=r")
1349 
        (call (mem:SI (match_operand:SI 1 "call_address_operand" ""))
1350 
              (match_operand 2 "" "")))
1351 
   (clobber (reg:SI 31))]
1352 
  ""
1353 
  ; The %~ is necessary in case this insn gets conditionalized and the previous
1354 
  ; insn is the cc setter.
1355 
  "%~bl%!%* %1"
1356 
  [(set_attr "type" "call")
1357 
   (set_attr "cond" "canuse")])
1358 
 
1359 
(define_insn "nop"
1360 
  [(const_int 0)]
1361 
  ""
1362 
  "nop"
1363 
  [(set_attr "type" "misc")])
1364 
 
1365 
;; Special pattern to flush the icache.
1366 
;; ??? Not sure what to do here.  Some ARC's are known to support this.
1367 
 
1368 
(define_insn "flush_icache"
1369 
  [(unspec_volatile [(match_operand 0 "memory_operand" "m")] 0)]
1370 
  ""
1371 
  "* return \"\";"
1372 
  [(set_attr "type" "misc")])
1373 
 
1374 
;; Split up troublesome insns for better scheduling.
1375 
 
1376 
;; Peepholes go at the end.

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