1 ;;- Machine description for ARM for GNU compiler
2 ;; Copyright (C) 1991, 93-98, 1999 Free Software Foundation, Inc.
3 ;; Contributed by Pieter `Tiggr' Schoenmakers (rcpieter@win.tue.nl)
4 ;; and Martin Simmons (@harleqn.co.uk).
5 ;; More major hacks by Richard Earnshaw (rearnsha@arm.com).
7 ;; This file is part of GNU CC.
9 ;; GNU CC is free software; you can redistribute it and/or modify
10 ;; it under the terms of the GNU General Public License as published by
11 ;; the Free Software Foundation; either version 2, or (at your option)
14 ;; GNU CC is distributed in the hope that it will be useful,
15 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
16 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 ;; GNU General Public License for more details.
19 ;; You should have received a copy of the GNU General Public License
20 ;; along with GNU CC; see the file COPYING. If not, write to
21 ;; the Free Software Foundation, 59 Temple Place - Suite 330,
22 ;; Boston, MA 02111-1307, USA.
24 ;;- See file "rtl.def" for documentation on define_insn, match_*, et. al.
26 ;; There are patterns in this file to support XFmode arithmetic.
27 ;; Unfortunately RISC iX doesn't work well with these so they are disabled.
31 ;; 0 `sin' operation: operand 0 is the result, operand 1 the parameter,
32 ;; the mode is MODE_FLOAT
33 ;; 1 `cos' operation: operand 0 is the result, operand 1 the parameter,
34 ;; the mode is MODE_FLOAT
35 ;; 2 `push multiple' operation: operand 0 is the first register. Subsequent
36 ;; registers are in parallel (use...) expressions.
37 ;; 3 A symbol that has been treated properly for pic usage, that is, we
38 ;; will add the pic_register value to it before trying to dereference it.
39 ;; Note: sin and cos are no-longer used.
43 ; PROG_MODE attribute is used to determine whether condition codes are
44 ; clobbered by a call insn: they are if in prog32 mode. This is controlled
45 ; by the -mapcs-{32,26} flag, and possibly the -mcpu=... option.
46 (define_attr "prog_mode" "prog26,prog32" (const (symbol_ref "arm_prog_mode")))
48 (define_attr "is_strongarm" "no,yes" (const (symbol_ref "arm_is_strong")))
50 ; Floating Point Unit. If we only have floating point emulation, then there
51 ; is no point in scheduling the floating point insns. (Well, for best
52 ; performance we should try and group them together).
54 (define_attr "fpu" "fpa,fpe2,fpe3" (const (symbol_ref "arm_fpu_attr")))
56 ; LENGTH of an instruction (in bytes)
57 (define_attr "length" "" (const_int 4))
59 ; An assembler sequence may clobber the condition codes without us knowing
60 (define_asm_attributes
61 [(set_attr "conds" "clob")
62 (set_attr "length" "4")])
64 ; TYPE attribute is used to detect floating point instructions which, if
65 ; running on a co-processor can run in parallel with other, basic instructions
66 ; If write-buffer scheduling is enabled then it can also be used in the
67 ; scheduling of writes.
69 ; Classification of each insn
70 ; normal any data instruction that doesn't hit memory or fp regs
71 ; mult a multiply instruction
72 ; block blockage insn, this blocks all functional units
73 ; float a floating point arithmetic operation (subject to expansion)
74 ; fdivx XFmode floating point division
75 ; fdivd DFmode floating point division
76 ; fdivs SFmode floating point division
77 ; fmul Floating point multiply
78 ; ffmul Fast floating point multiply
79 ; farith Floating point arithmetic (4 cycle)
80 ; ffarith Fast floating point arithmetic (2 cycle)
81 ; float_em a floating point arithmetic operation that is normally emulated
82 ; even on a machine with an fpa.
83 ; f_load a floating point load from memory
84 ; f_store a floating point store to memory
85 ; f_mem_r a transfer of a floating point register to a real reg via mem
86 ; r_mem_f the reverse of f_mem_r
87 ; f_2_r fast transfer float to arm (no memory needed)
88 ; r_2_f fast transfer arm to float
89 ; call a subroutine call
90 ; load any load from memory
91 ; store1 store 1 word to memory from arm registers
92 ; store2 store 2 words
93 ; store3 store 3 words
94 ; store4 store 4 words
97 "normal,mult,block,float,fdivx,fdivd,fdivs,fmul,ffmul,farith,ffarith,float_em,f_load,f_store,f_mem_r,r_mem_f,f_2_r,r_2_f,call,load,store1,store2,store3,store4"
98 (const_string "normal"))
100 ; Load scheduling, set from the arm_ld_sched variable
101 ; initialised by arm_override_options()
102 (define_attr "ldsched" "no,yes" (const (symbol_ref "arm_ld_sched")))
104 ; condition codes: this one is used by final_prescan_insn to speed up
105 ; conditionalizing instructions. It saves having to scan the rtl to see if
106 ; it uses or alters the condition codes.
108 ; USE means that the condition codes are used by the insn in the process of
109 ; outputting code, this means (at present) that we can't use the insn in
112 ; SET means that the purpose of the insn is to set the condition codes in a
113 ; well defined manner.
115 ; CLOB means that the condition codes are altered in an undefined manner, if
116 ; they are altered at all
118 ; JUMP_CLOB is used when the conditions are not defined if a branch is taken,
119 ; but are if the branch wasn't taken; the effect is to limit the branch
120 ; elimination scanning.
122 ; NOCOND means that the condition codes are neither altered nor affect the
123 ; output of this insn
125 (define_attr "conds" "use,set,clob,jump_clob,nocond"
126 (if_then_else (eq_attr "type" "call")
127 (if_then_else (eq_attr "prog_mode" "prog32")
128 (const_string "clob") (const_string "nocond"))
129 (const_string "nocond")))
131 ; Only model the write buffer for ARM6 and ARM7. Earlier processors don't
132 ; have one. Later ones, such as StrongARM, have write-back caches, so don't
133 ; suffer blockages enough to warrent modelling this (and it can adversely
134 ; affect the schedule).
135 (define_attr "model_wbuf" "no,yes" (const (symbol_ref "arm_is_6_or_7")))
137 (define_attr "write_conflict" "no,yes"
138 (if_then_else (eq_attr "type"
139 "block,float_em,f_load,f_store,f_mem_r,r_mem_f,call,load")
141 (const_string "no")))
143 (define_attr "core_cycles" "single,multi"
144 (if_then_else (eq_attr "type"
145 "normal,float,fdivx,fdivd,fdivs,fmul,ffmul,farith,ffarith")
146 (const_string "single")
147 (const_string "multi")))
149 ; The write buffer on some of the arm6 processors is hard to model exactly.
150 ; There is room in the buffer for up to two addresses and up to eight words
151 ; of memory, but the two needn't be split evenly. When writing the two
152 ; addresses are fully pipelined. However, a read from memory that is not
153 ; currently in the cache will block until the writes have completed.
154 ; It is normally the case that FCLK and MCLK will be in the ratio 2:1, so
155 ; writes will take 2 FCLK cycles per word, if FCLK and MCLK are asynchronous
156 ; (they aren't allowed to be at present) then there is a startup cost of 1MCLK
157 ; cycle to add as well.
159 ;; (define_function_unit {name} {num-units} {n-users} {test}
160 ;; {ready-delay} {issue-delay} [{conflict-list}])
161 (define_function_unit "fpa" 1 0 (and (eq_attr "fpu" "fpa")
162 (eq_attr "type" "fdivx")) 71 69)
164 (define_function_unit "fpa" 1 0 (and (eq_attr "fpu" "fpa")
165 (eq_attr "type" "fdivd")) 59 57)
167 (define_function_unit "fpa" 1 0 (and (eq_attr "fpu" "fpa")
168 (eq_attr "type" "fdivs")) 31 29)
170 (define_function_unit "fpa" 1 0 (and (eq_attr "fpu" "fpa")
171 (eq_attr "type" "fmul")) 9 7)
173 (define_function_unit "fpa" 1 0 (and (eq_attr "fpu" "fpa")
174 (eq_attr "type" "ffmul")) 6 4)
176 (define_function_unit "fpa" 1 0 (and (eq_attr "fpu" "fpa")
177 (eq_attr "type" "farith")) 4 2)
179 (define_function_unit "fpa" 1 0 (and (eq_attr "fpu" "fpa")
180 (eq_attr "type" "ffarith")) 2 2)
182 (define_function_unit "fpa" 1 0 (and (eq_attr "fpu" "fpa")
183 (eq_attr "type" "r_2_f")) 5 3)
185 (define_function_unit "fpa" 1 0 (and (eq_attr "fpu" "fpa")
186 (eq_attr "type" "f_2_r")) 1 2)
188 ;; The fpa10 doesn't really have a memory read unit, but it can start to
189 ;; speculatively execute the instruction in the pipeline, provided the data
190 ;; is already loaded, so pretend reads have a delay of 2 (and that the
191 ;; pipeline is infinite.
193 (define_function_unit "fpa_mem" 1 0 (and (eq_attr "fpu" "fpa")
194 (eq_attr "type" "f_load")) 3 1)
196 ;;--------------------------------------------------------------------
198 ;;--------------------------------------------------------------------
199 ;; Strictly we should model a 4-deep write buffer for ARM7xx based chips
200 (define_function_unit "write_buf" 1 2
201 (and (eq_attr "model_wbuf" "yes")
202 (eq_attr "type" "store1,r_mem_f")) 5 3)
203 (define_function_unit "write_buf" 1 2
204 (and (eq_attr "model_wbuf" "yes")
205 (eq_attr "type" "store2")) 7 4)
206 (define_function_unit "write_buf" 1 2
207 (and (eq_attr "model_wbuf" "yes")
208 (eq_attr "type" "store3")) 9 5)
209 (define_function_unit "write_buf" 1 2
210 (and (eq_attr "model_wbuf" "yes")
211 (eq_attr "type" "store4")) 11 6)
213 ;;--------------------------------------------------------------------
214 ;; Write blockage unit
215 ;;--------------------------------------------------------------------
216 ;; The write_blockage unit models (partially), the fact that reads will stall
217 ;; until the write buffer empties.
218 ;; The f_mem_r and r_mem_f could also block, but they are to the stack,
219 ;; so we don't model them here
220 (define_function_unit "write_blockage" 1 0 (and (eq_attr "model_wbuf" "yes")
221 (eq_attr "type" "store1")) 5 5
222 [(eq_attr "write_conflict" "yes")])
223 (define_function_unit "write_blockage" 1 0 (and (eq_attr "model_wbuf" "yes")
224 (eq_attr "type" "store2")) 7 7
225 [(eq_attr "write_conflict" "yes")])
226 (define_function_unit "write_blockage" 1 0 (and (eq_attr "model_wbuf" "yes")
227 (eq_attr "type" "store3")) 9 9
228 [(eq_attr "write_conflict" "yes")])
229 (define_function_unit "write_blockage" 1 0
230 (and (eq_attr "model_wbuf" "yes") (eq_attr "type" "store4")) 11 11
231 [(eq_attr "write_conflict" "yes")])
232 (define_function_unit "write_blockage" 1 0
233 (and (eq_attr "model_wbuf" "yes")
234 (eq_attr "write_conflict" "yes")) 1 1)
236 ;;--------------------------------------------------------------------
238 ;;--------------------------------------------------------------------
239 ;; Everything must spend at least one cycle in the core unit
240 (define_function_unit "core" 1 0
241 (and (eq_attr "ldsched" "yes") (eq_attr "type" "store1")) 1 1)
243 (define_function_unit "core" 1 0
244 (and (eq_attr "ldsched" "yes") (eq_attr "type" "load")) 2 1)
246 (define_function_unit "core" 1 0
247 (and (eq_attr "ldsched" "!yes") (eq_attr "type" "load,store1")) 2 2)
249 (define_function_unit "core" 1 0
250 (and (eq_attr "fpu" "fpa") (eq_attr "type" "f_load")) 3 3)
252 (define_function_unit "core" 1 0
253 (and (eq_attr "fpu" "fpa") (eq_attr "type" "f_store")) 4 4)
255 (define_function_unit "core" 1 0
256 (and (eq_attr "fpu" "fpa") (eq_attr "type" "r_mem_f")) 6 6)
258 (define_function_unit "core" 1 0
259 (and (eq_attr "fpu" "fpa") (eq_attr "type" "f_mem_r")) 7 7)
261 (define_function_unit "core" 1 0
262 (and (eq_attr "ldsched" "no") (eq_attr "type" "mult")) 16 16)
264 (define_function_unit "core" 1 0
265 (and (and (eq_attr "ldsched" "yes") (eq_attr "is_strongarm" "no"))
266 (eq_attr "type" "mult")) 4 4)
268 (define_function_unit "core" 1 0
269 (and (and (eq_attr "ldsched" "yes") (eq_attr "is_strongarm" "yes"))
270 (eq_attr "type" "mult")) 3 2)
272 (define_function_unit "core" 1 0 (eq_attr "type" "store2") 3 3)
274 (define_function_unit "core" 1 0 (eq_attr "type" "store3") 4 4)
276 (define_function_unit "core" 1 0 (eq_attr "type" "store4") 5 5)
278 ;; Note: For DImode insns, there is normally no reason why operands should
279 ;; not be in the same register, what we don't want is for something being
280 ;; written to partially overlap something that is an input.
284 (define_insn "adddi3"
285 [(set (match_operand:DI 0 "s_register_operand" "=&r,&r")
286 (plus:DI (match_operand:DI 1 "s_register_operand" "%0,0")
287 (match_operand:DI 2 "s_register_operand" "r,0")))
288 (clobber (reg:CC 24))]
290 "adds\\t%Q0, %Q1, %Q2\;adc\\t%R0, %R1, %R2"
291 [(set_attr "conds" "clob")
292 (set_attr "length" "8")])
294 (define_insn "*adddi_sesidi_di"
295 [(set (match_operand:DI 0 "s_register_operand" "=&r,&r")
296 (plus:DI (sign_extend:DI
297 (match_operand:SI 2 "s_register_operand" "r,r"))
298 (match_operand:DI 1 "s_register_operand" "r,0")))
299 (clobber (reg:CC 24))]
301 "adds\\t%Q0, %Q1, %2\;adc\\t%R0, %R1, %2, asr #31"
302 [(set_attr "conds" "clob")
303 (set_attr "length" "8")])
305 (define_insn "*adddi_zesidi_di"
306 [(set (match_operand:DI 0 "s_register_operand" "=&r,&r")
307 (plus:DI (zero_extend:DI
308 (match_operand:SI 2 "s_register_operand" "r,r"))
309 (match_operand:DI 1 "s_register_operand" "r,0")))
310 (clobber (reg:CC 24))]
312 "adds\\t%Q0, %Q1, %2\;adc\\t%R0, %R1, #0"
313 [(set_attr "conds" "clob")
314 (set_attr "length" "8")])
316 (define_expand "addsi3"
317 [(set (match_operand:SI 0 "s_register_operand" "")
318 (plus:SI (match_operand:SI 1 "s_register_operand" "")
319 (match_operand:SI 2 "reg_or_int_operand" "")))]
322 if (GET_CODE (operands[2]) == CONST_INT)
324 arm_split_constant (PLUS, SImode, INTVAL (operands[2]), operands[0],
326 (reload_in_progress || reload_completed ? 0
327 : preserve_subexpressions_p ()));
333 [(set (match_operand:SI 0 "s_register_operand" "")
334 (plus:SI (match_operand:SI 1 "s_register_operand" "")
335 (match_operand:SI 2 "const_int_operand" "")))]
336 "! (const_ok_for_arm (INTVAL (operands[2]))
337 || const_ok_for_arm (-INTVAL (operands[2])))"
338 [(clobber (const_int 0))]
340 arm_split_constant (PLUS, SImode, INTVAL (operands[2]), operands[0],
345 (define_insn "*addsi3_insn"
346 [(set (match_operand:SI 0 "s_register_operand" "=r,r,r")
347 (plus:SI (match_operand:SI 1 "s_register_operand" "r,r,r")
348 (match_operand:SI 2 "reg_or_int_operand" "rI,L,?n")))]
354 [(set_attr "length" "4,4,16")])
356 (define_insn "*addsi3_compare0"
357 [(set (reg:CC_NOOV 24)
359 (plus:SI (match_operand:SI 1 "s_register_operand" "r,r")
360 (match_operand:SI 2 "arm_add_operand" "rI,L"))
362 (set (match_operand:SI 0 "s_register_operand" "=r,r")
363 (plus:SI (match_dup 1) (match_dup 2)))]
367 sub%?s\\t%0, %1, #%n2"
368 [(set_attr "conds" "set")])
370 (define_insn "*addsi3_compare0_scratch"
371 [(set (reg:CC_NOOV 24)
373 (plus:SI (match_operand:SI 0 "s_register_operand" "r,r")
374 (match_operand:SI 1 "arm_add_operand" "rI,L"))
380 [(set_attr "conds" "set")])
382 ;; The next four insns work because they compare the result with one of
383 ;; the operands, and we know that the use of the condition code is
384 ;; either GEU or LTU, so we can use the carry flag from the addition
385 ;; instead of doing the compare a second time.
386 (define_insn "*addsi3_compare_op1"
389 (plus:SI (match_operand:SI 1 "s_register_operand" "r,r")
390 (match_operand:SI 2 "arm_add_operand" "rI,L"))
392 (set (match_operand:SI 0 "s_register_operand" "=r,r")
393 (plus:SI (match_dup 1) (match_dup 2)))]
397 sub%?s\\t%0, %1, #%n2"
398 [(set_attr "conds" "set")])
400 (define_insn "*addsi3_compare_op2"
403 (plus:SI (match_operand:SI 1 "s_register_operand" "r,r")
404 (match_operand:SI 2 "arm_add_operand" "rI,L"))
406 (set (match_operand:SI 0 "s_register_operand" "=r,r")
407 (plus:SI (match_dup 1) (match_dup 2)))]
411 sub%?s\\t%0, %1, #%n2"
412 [(set_attr "conds" "set")])
414 (define_insn "*compare_addsi2_op0"
417 (plus:SI (match_operand:SI 0 "s_register_operand" "r,r")
418 (match_operand:SI 1 "arm_add_operand" "rI,L"))
424 [(set_attr "conds" "set")])
426 (define_insn "*compare_addsi2_op1"
429 (plus:SI (match_operand:SI 0 "s_register_operand" "r,r")
430 (match_operand:SI 1 "arm_add_operand" "rI,L"))
436 [(set_attr "conds" "set")])
438 (define_insn "*addsi3_carryin"
439 [(set (match_operand:SI 0 "s_register_operand" "=r")
440 (plus:SI (ltu:SI (reg:CC_C 24) (const_int 0))
441 (plus:SI (match_operand:SI 1 "s_register_operand" "r")
442 (match_operand:SI 2 "arm_rhs_operand" "rI"))))]
445 [(set_attr "conds" "use")])
447 (define_insn "*addsi3_carryin_alt1"
448 [(set (match_operand:SI 0 "s_register_operand" "=r")
449 (plus:SI (plus:SI (match_operand:SI 1 "s_register_operand" "r")
450 (match_operand:SI 2 "arm_rhs_operand" "rI"))
451 (ltu:SI (reg:CC_C 24) (const_int 0))))]
454 [(set_attr "conds" "use")])
456 (define_insn "*addsi3_carryin_alt2"
457 [(set (match_operand:SI 0 "s_register_operand" "=r")
458 (plus:SI (plus:SI (ltu:SI (reg:CC_C 24) (const_int 0))
459 (match_operand:SI 1 "s_register_operand" "r"))
460 (match_operand:SI 2 "arm_rhs_operand" "rI")))]
463 [(set_attr "conds" "use")])
465 (define_insn "*addsi3_carryin_alt3"
466 [(set (match_operand:SI 0 "s_register_operand" "=r")
467 (plus:SI (plus:SI (ltu:SI (reg:CC_C 24) (const_int 0))
468 (match_operand:SI 2 "arm_rhs_operand" "rI"))
469 (match_operand:SI 1 "s_register_operand" "r")))]
472 [(set_attr "conds" "use")])
474 (define_insn "incscc"
475 [(set (match_operand:SI 0 "s_register_operand" "=r,r")
476 (plus:SI (match_operator:SI 2 "comparison_operator"
477 [(match_operand 3 "cc_register" "") (const_int 0)])
478 (match_operand:SI 1 "s_register_operand" "0,?r")))]
482 mov%D2\\t%0, %1\;add%d2\\t%0, %1, #1"
483 [(set_attr "conds" "use")
484 (set_attr "length" "4,8")])
486 ; If a constant is too big to fit in a single instruction then the constant
487 ; will be pre-loaded into a register taking at least two insns, we might be
488 ; able to merge it with an add, but it depends on the exact value.
491 [(set (match_operand:SI 0 "s_register_operand" "=r")
492 (plus:SI (match_operand:SI 1 "s_register_operand" "r")
493 (match_operand:SI 2 "const_int_operand" "n")))]
494 "!(const_ok_for_arm (INTVAL (operands[2]))
495 || const_ok_for_arm (-INTVAL (operands[2])))"
496 [(set (match_dup 0) (plus:SI (match_dup 1) (match_dup 2)))
497 (set (match_dup 0) (plus:SI (match_dup 0) (match_dup 3)))]
500 unsigned int val = (unsigned) INTVAL (operands[2]);
504 /* this code is similar to the approach followed in movsi, but it must
505 generate exactly two insns */
507 for (i = 30; i >= 0; i -= 2)
513 if (const_ok_for_arm (temp = (val & ~(255 << i))))
518 /* we might be able to do this as (larger number - small number) */
519 temp = ((val >> i) & 255) + 1;
520 if (temp > 255 && i < 24)
523 temp = ((val >> i) & 255) + 1;
525 if (const_ok_for_arm ((temp << i) - val))
528 temp = (unsigned) - (int) (i - val);
535 /* if we got here, we have found a way of doing it in two instructions.
536 the two constants are in val and temp */
537 operands[2] = GEN_INT ((int)val);
538 operands[3] = GEN_INT ((int)temp);
542 (define_insn "addsf3"
543 [(set (match_operand:SF 0 "s_register_operand" "=f,f")
544 (plus:SF (match_operand:SF 1 "s_register_operand" "f,f")
545 (match_operand:SF 2 "fpu_add_operand" "fG,H")))]
549 suf%?s\\t%0, %1, #%N2"
550 [(set_attr "type" "farith")])
552 (define_insn "adddf3"
553 [(set (match_operand:DF 0 "s_register_operand" "=f,f")
554 (plus:DF (match_operand:DF 1 "s_register_operand" "f,f")
555 (match_operand:DF 2 "fpu_add_operand" "fG,H")))]
559 suf%?d\\t%0, %1, #%N2"
560 [(set_attr "type" "farith")])
562 (define_insn "*adddf_df_esfdf"
563 [(set (match_operand:DF 0 "s_register_operand" "=f,f")
564 (plus:DF (float_extend:DF
565 (match_operand:SF 1 "s_register_operand" "f,f"))
566 (match_operand:DF 2 "fpu_add_operand" "fG,H")))]
570 suf%?d\\t%0, %1, #%N2"
571 [(set_attr "type" "farith")])
573 (define_insn "*adddf_df_esfdf"
574 [(set (match_operand:DF 0 "s_register_operand" "=f")
575 (plus:DF (match_operand:DF 1 "s_register_operand" "f")
577 (match_operand:SF 2 "s_register_operand" "f"))))]
579 "adf%?d\\t%0, %1, %2"
580 [(set_attr "type" "farith")])
582 (define_insn "*adddf_esfdf_esfdf"
583 [(set (match_operand:DF 0 "s_register_operand" "=f")
584 (plus:DF (float_extend:DF
585 (match_operand:SF 1 "s_register_operand" "f"))
587 (match_operand:SF 2 "s_register_operand" "f"))))]
589 "adf%?d\\t%0, %1, %2"
590 [(set_attr "type" "farith")])
592 (define_insn "addxf3"
593 [(set (match_operand:XF 0 "s_register_operand" "=f,f")
594 (plus:XF (match_operand:XF 1 "s_register_operand" "f,f")
595 (match_operand:XF 2 "fpu_add_operand" "fG,H")))]
596 "ENABLE_XF_PATTERNS && TARGET_HARD_FLOAT"
599 suf%?e\\t%0, %1, #%N2"
600 [(set_attr "type" "farith")])
602 (define_insn "subdi3"
603 [(set (match_operand:DI 0 "s_register_operand" "=&r,&r,&r")
604 (minus:DI (match_operand:DI 1 "s_register_operand" "0,r,0")
605 (match_operand:DI 2 "s_register_operand" "r,0,0")))
606 (clobber (reg:CC 24))]
608 "subs\\t%Q0, %Q1, %Q2\;sbc\\t%R0, %R1, %R2"
609 [(set_attr "conds" "clob")
610 (set_attr "length" "8")])
612 (define_insn "*subdi_di_zesidi"
613 [(set (match_operand:DI 0 "s_register_operand" "=&r,&r")
614 (minus:DI (match_operand:DI 1 "s_register_operand" "?r,0")
616 (match_operand:SI 2 "s_register_operand" "r,r"))))
617 (clobber (reg:CC 24))]
619 "subs\\t%Q0, %Q1, %2\;sbc\\t%R0, %R1, #0"
620 [(set_attr "conds" "clob")
621 (set_attr "length" "8")])
623 (define_insn "*subdi_di_sesidi"
624 [(set (match_operand:DI 0 "s_register_operand" "=&r,&r")
625 (minus:DI (match_operand:DI 1 "s_register_operand" "r,0")
627 (match_operand:SI 2 "s_register_operand" "r,r"))))
628 (clobber (reg:CC 24))]
630 "subs\\t%Q0, %Q1, %2\;sbc\\t%R0, %R1, %2, asr #31"
631 [(set_attr "conds" "clob")
632 (set_attr "length" "8")])
634 (define_insn "*subdi_zesidi_di"
635 [(set (match_operand:DI 0 "s_register_operand" "=&r,&r")
636 (minus:DI (zero_extend:DI
637 (match_operand:SI 2 "s_register_operand" "r,r"))
638 (match_operand:DI 1 "s_register_operand" "?r,0")))
639 (clobber (reg:CC 24))]
641 "rsbs\\t%Q0, %Q1, %2\;rsc\\t%R0, %R1, #0"
642 [(set_attr "conds" "clob")
643 (set_attr "length" "8")])
645 (define_insn "*subdi_sesidi_di"
646 [(set (match_operand:DI 0 "s_register_operand" "=&r,&r")
647 (minus:DI (sign_extend:DI
648 (match_operand:SI 2 "s_register_operand" "r,r"))
649 (match_operand:DI 1 "s_register_operand" "?r,0")))
650 (clobber (reg:CC 24))]
652 "rsbs\\t%Q0, %Q1, %2\;rsc\\t%R0, %R1, %2, asr #31"
653 [(set_attr "conds" "clob")
654 (set_attr "length" "8")])
656 (define_insn "*subdi_zesidi_zesidi"
657 [(set (match_operand:DI 0 "s_register_operand" "=r")
658 (minus:DI (zero_extend:DI
659 (match_operand:SI 1 "s_register_operand" "r"))
661 (match_operand:SI 2 "s_register_operand" "r"))))
662 (clobber (reg:CC 24))]
664 "subs\\t%Q0, %1, %2\;rsc\\t%R0, %1, %1"
665 [(set_attr "conds" "clob")
666 (set_attr "length" "8")])
668 (define_expand "subsi3"
669 [(set (match_operand:SI 0 "s_register_operand" "")
670 (minus:SI (match_operand:SI 1 "reg_or_int_operand" "")
671 (match_operand:SI 2 "s_register_operand" "")))]
674 if (GET_CODE (operands[1]) == CONST_INT)
676 arm_split_constant (MINUS, SImode, INTVAL (operands[1]), operands[0],
678 (reload_in_progress || reload_completed ? 0
679 : preserve_subexpressions_p ()));
684 (define_insn "*subsi3_insn"
685 [(set (match_operand:SI 0 "s_register_operand" "=r,r")
686 (minus:SI (match_operand:SI 1 "reg_or_int_operand" "rI,?n")
687 (match_operand:SI 2 "s_register_operand" "r,r")))]
692 [(set_attr "length" "4,16")])
695 [(set (match_operand:SI 0 "s_register_operand" "")
696 (minus:SI (match_operand:SI 1 "const_int_operand" "")
697 (match_operand:SI 2 "s_register_operand" "")))]
698 "! const_ok_for_arm (INTVAL (operands[1]))"
699 [(clobber (const_int 0))]
701 arm_split_constant (MINUS, SImode, INTVAL (operands[1]), operands[0],
706 (define_insn "*subsi3_compare0"
707 [(set (reg:CC_NOOV 24)
708 (compare:CC_NOOV (minus:SI (match_operand:SI 1 "arm_rhs_operand" "r,I")
709 (match_operand:SI 2 "arm_rhs_operand" "rI,r"))
711 (set (match_operand:SI 0 "s_register_operand" "=r,r")
712 (minus:SI (match_dup 1) (match_dup 2)))]
717 [(set_attr "conds" "set")])
719 (define_insn "decscc"
720 [(set (match_operand:SI 0 "s_register_operand" "=r,r")
721 (minus:SI (match_operand:SI 1 "s_register_operand" "0,?r")
722 (match_operator:SI 2 "comparison_operator"
723 [(match_operand 3 "cc_register" "") (const_int 0)])))]
727 mov%D2\\t%0, %1\;sub%d2\\t%0, %1, #1"
728 [(set_attr "conds" "use")
729 (set_attr "length" "*,8")])
731 (define_insn "subsf3"
732 [(set (match_operand:SF 0 "s_register_operand" "=f,f")
733 (minus:SF (match_operand:SF 1 "fpu_rhs_operand" "f,G")
734 (match_operand:SF 2 "fpu_rhs_operand" "fG,f")))]
739 [(set_attr "type" "farith")])
741 (define_insn "subdf3"
742 [(set (match_operand:DF 0 "s_register_operand" "=f,f")
743 (minus:DF (match_operand:DF 1 "fpu_rhs_operand" "f,G")
744 (match_operand:DF 2 "fpu_rhs_operand" "fG,f")))]
749 [(set_attr "type" "farith")])
751 (define_insn "*subdf_esfdf_df"
752 [(set (match_operand:DF 0 "s_register_operand" "=f")
753 (minus:DF (float_extend:DF
754 (match_operand:SF 1 "s_register_operand" "f"))
755 (match_operand:DF 2 "fpu_rhs_operand" "fG")))]
757 "suf%?d\\t%0, %1, %2"
758 [(set_attr "type" "farith")])
760 (define_insn "*subdf_df_esfdf"
761 [(set (match_operand:DF 0 "s_register_operand" "=f,f")
762 (minus:DF (match_operand:DF 1 "fpu_rhs_operand" "f,G")
764 (match_operand:SF 2 "s_register_operand" "f,f"))))]
769 [(set_attr "type" "farith")])
771 (define_insn "*subdf_esfdf_esfdf"
772 [(set (match_operand:DF 0 "s_register_operand" "=f")
773 (minus:DF (float_extend:DF
774 (match_operand:SF 1 "s_register_operand" "f"))
776 (match_operand:SF 2 "s_register_operand" "f"))))]
778 "suf%?d\\t%0, %1, %2"
779 [(set_attr "type" "farith")])
781 (define_insn "subxf3"
782 [(set (match_operand:XF 0 "s_register_operand" "=f,f")
783 (minus:XF (match_operand:XF 1 "fpu_rhs_operand" "f,G")
784 (match_operand:XF 2 "fpu_rhs_operand" "fG,f")))]
785 "ENABLE_XF_PATTERNS && TARGET_HARD_FLOAT"
789 [(set_attr "type" "farith")])
791 ;; Multiplication insns
793 ;; Use `&' and then `0' to prevent the operands 0 and 1 being the same
794 (define_insn "mulsi3"
795 [(set (match_operand:SI 0 "s_register_operand" "=&r,&r")
796 (mult:SI (match_operand:SI 2 "s_register_operand" "r,r")
797 (match_operand:SI 1 "s_register_operand" "%?r,0")))]
800 [(set_attr "type" "mult")])
802 (define_insn "*mulsi3_compare0"
803 [(set (reg:CC_NOOV 24)
804 (compare:CC_NOOV (mult:SI
805 (match_operand:SI 2 "s_register_operand" "r,r")
806 (match_operand:SI 1 "s_register_operand" "%?r,0"))
808 (set (match_operand:SI 0 "s_register_operand" "=&r,&r")
809 (mult:SI (match_dup 2) (match_dup 1)))]
811 "mul%?s\\t%0, %2, %1"
812 [(set_attr "conds" "set")
813 (set_attr "type" "mult")])
815 (define_insn "*mulsi_compare0_scratch"
816 [(set (reg:CC_NOOV 24)
817 (compare:CC_NOOV (mult:SI
818 (match_operand:SI 2 "s_register_operand" "r,r")
819 (match_operand:SI 1 "s_register_operand" "%?r,0"))
821 (clobber (match_scratch:SI 0 "=&r,&r"))]
823 "mul%?s\\t%0, %2, %1"
824 [(set_attr "conds" "set")
825 (set_attr "type" "mult")])
827 ;; Unnamed templates to match MLA instruction.
829 (define_insn "*mulsi3addsi"
830 [(set (match_operand:SI 0 "s_register_operand" "=&r,&r,&r,&r")
832 (mult:SI (match_operand:SI 2 "s_register_operand" "r,r,r,r")
833 (match_operand:SI 1 "s_register_operand" "%r,0,r,0"))
834 (match_operand:SI 3 "s_register_operand" "?r,r,0,0")))]
836 "mla%?\\t%0, %2, %1, %3"
837 [(set_attr "type" "mult")])
839 (define_insn "*mulsi3addsi_compare0"
840 [(set (reg:CC_NOOV 24)
841 (compare:CC_NOOV (plus:SI
843 (match_operand:SI 2 "s_register_operand" "r,r,r,r")
844 (match_operand:SI 1 "s_register_operand" "%r,0,r,0"))
845 (match_operand:SI 3 "s_register_operand" "?r,r,0,0"))
847 (set (match_operand:SI 0 "s_register_operand" "=&r,&r,&r,&r")
848 (plus:SI (mult:SI (match_dup 2) (match_dup 1))
851 "mla%?s\\t%0, %2, %1, %3"
852 [(set_attr "conds" "set")
853 (set_attr "type" "mult")])
855 (define_insn "*mulsi3addsi_compare0_scratch"
856 [(set (reg:CC_NOOV 24)
857 (compare:CC_NOOV (plus:SI
859 (match_operand:SI 2 "s_register_operand" "r,r,r,r")
860 (match_operand:SI 1 "s_register_operand" "%r,0,r,0"))
861 (match_operand:SI 3 "s_register_operand" "?r,r,0,0"))
863 (clobber (match_scratch:SI 0 "=&r,&r,&r,&r"))]
865 "mla%?s\\t%0, %2, %1, %3"
866 [(set_attr "conds" "set")
867 (set_attr "type" "mult")])
869 (define_insn "mulsidi3"
870 [(set (match_operand:DI 0 "s_register_operand" "=&r")
871 (mult:DI (sign_extend:DI
872 (match_operand:SI 1 "s_register_operand" "%r"))
874 (match_operand:SI 2 "s_register_operand" "r"))))]
876 "smull%?\\t%Q0, %R0, %1, %2"
877 [(set_attr "type" "mult")])
879 (define_insn "umulsidi3"
880 [(set (match_operand:DI 0 "s_register_operand" "=&r")
881 (mult:DI (zero_extend:DI
882 (match_operand:SI 1 "s_register_operand" "%r"))
884 (match_operand:SI 2 "s_register_operand" "r"))))]
886 "umull%?\\t%Q0, %R0, %1, %2"
887 [(set_attr "type" "mult")])
889 (define_insn "smulsi3_highpart"
890 [(set (match_operand:SI 0 "s_register_operand" "=&r,&r")
893 (mult:DI (sign_extend:DI
894 (match_operand:SI 1 "s_register_operand" "%r,0"))
896 (match_operand:SI 2 "s_register_operand" "r,r")))
898 (clobber (match_scratch:SI 3 "=&r,&r"))]
900 "smull%?\\t%3, %0, %2, %1"
901 [(set_attr "type" "mult")])
903 (define_insn "umulsi3_highpart"
904 [(set (match_operand:SI 0 "s_register_operand" "=&r,&r")
907 (mult:DI (zero_extend:DI
908 (match_operand:SI 1 "s_register_operand" "%r,0"))
910 (match_operand:SI 2 "s_register_operand" "r,r")))
912 (clobber (match_scratch:SI 3 "=&r,&r"))]
914 "umull%?\\t%3, %0, %2, %1"
915 [(set_attr "type" "mult")])
917 (define_insn "mulsf3"
918 [(set (match_operand:SF 0 "s_register_operand" "=f")
919 (mult:SF (match_operand:SF 1 "s_register_operand" "f")
920 (match_operand:SF 2 "fpu_rhs_operand" "fG")))]
922 "fml%?s\\t%0, %1, %2"
923 [(set_attr "type" "ffmul")])
925 (define_insn "muldf3"
926 [(set (match_operand:DF 0 "s_register_operand" "=f")
927 (mult:DF (match_operand:DF 1 "s_register_operand" "f")
928 (match_operand:DF 2 "fpu_rhs_operand" "fG")))]
930 "muf%?d\\t%0, %1, %2"
931 [(set_attr "type" "fmul")])
933 (define_insn "*muldf_esfdf_df"
934 [(set (match_operand:DF 0 "s_register_operand" "=f")
935 (mult:DF (float_extend:DF
936 (match_operand:SF 1 "s_register_operand" "f"))
937 (match_operand:DF 2 "fpu_rhs_operand" "fG")))]
939 "muf%?d\\t%0, %1, %2"
940 [(set_attr "type" "fmul")])
942 (define_insn "*muldf_df_esfdf"
943 [(set (match_operand:DF 0 "s_register_operand" "=f")
944 (mult:DF (match_operand:DF 1 "s_register_operand" "f")
946 (match_operand:SF 2 "s_register_operand" "f"))))]
948 "muf%?d\\t%0, %1, %2"
949 [(set_attr "type" "fmul")])
951 (define_insn "*muldf_esfdf_esfdf"
952 [(set (match_operand:DF 0 "s_register_operand" "=f")
953 (mult:DF (float_extend:DF
954 (match_operand:SF 1 "s_register_operand" "f"))
956 (match_operand:SF 2 "s_register_operand" "f"))))]
958 "muf%?d\\t%0, %1, %2"
959 [(set_attr "type" "fmul")])
961 (define_insn "mulxf3"
962 [(set (match_operand:XF 0 "s_register_operand" "=f")
963 (mult:XF (match_operand:XF 1 "s_register_operand" "f")
964 (match_operand:XF 2 "fpu_rhs_operand" "fG")))]
965 "ENABLE_XF_PATTERNS && TARGET_HARD_FLOAT"
966 "muf%?e\\t%0, %1, %2"
967 [(set_attr "type" "fmul")])
971 (define_insn "divsf3"
972 [(set (match_operand:SF 0 "s_register_operand" "=f,f")
973 (div:SF (match_operand:SF 1 "fpu_rhs_operand" "f,G")
974 (match_operand:SF 2 "fpu_rhs_operand" "fG,f")))]
979 [(set_attr "type" "fdivs")])
981 (define_insn "divdf3"
982 [(set (match_operand:DF 0 "s_register_operand" "=f,f")
983 (div:DF (match_operand:DF 1 "fpu_rhs_operand" "f,G")
984 (match_operand:DF 2 "fpu_rhs_operand" "fG,f")))]
989 [(set_attr "type" "fdivd")])
991 (define_insn "*divdf_esfdf_df"
992 [(set (match_operand:DF 0 "s_register_operand" "=f")
993 (div:DF (float_extend:DF
994 (match_operand:SF 1 "s_register_operand" "f"))
995 (match_operand:DF 2 "fpu_rhs_operand" "fG")))]
997 "dvf%?d\\t%0, %1, %2"
998 [(set_attr "type" "fdivd")])
1000 (define_insn "*divdf_df_esfdf"
1001 [(set (match_operand:DF 0 "s_register_operand" "=f")
1002 (div:DF (match_operand:DF 1 "fpu_rhs_operand" "fG")
1004 (match_operand:SF 2 "s_register_operand" "f"))))]
1006 "rdf%?d\\t%0, %2, %1"
1007 [(set_attr "type" "fdivd")])
1009 (define_insn "*divdf_esfdf_esfdf"
1010 [(set (match_operand:DF 0 "s_register_operand" "=f")
1011 (div:DF (float_extend:DF
1012 (match_operand:SF 1 "s_register_operand" "f"))
1014 (match_operand:SF 2 "s_register_operand" "f"))))]
1016 "dvf%?d\\t%0, %1, %2"
1017 [(set_attr "type" "fdivd")])
1019 (define_insn "divxf3"
1020 [(set (match_operand:XF 0 "s_register_operand" "=f,f")
1021 (div:XF (match_operand:XF 1 "fpu_rhs_operand" "f,G")
1022 (match_operand:XF 2 "fpu_rhs_operand" "fG,f")))]
1023 "ENABLE_XF_PATTERNS && TARGET_HARD_FLOAT"
1026 rdf%?e\\t%0, %2, %1"
1027 [(set_attr "type" "fdivx")])
1031 (define_insn "modsf3"
1032 [(set (match_operand:SF 0 "s_register_operand" "=f")
1033 (mod:SF (match_operand:SF 1 "s_register_operand" "f")
1034 (match_operand:SF 2 "fpu_rhs_operand" "fG")))]
1036 "rmf%?s\\t%0, %1, %2"
1037 [(set_attr "type" "fdivs")])
1039 (define_insn "moddf3"
1040 [(set (match_operand:DF 0 "s_register_operand" "=f")
1041 (mod:DF (match_operand:DF 1 "s_register_operand" "f")
1042 (match_operand:DF 2 "fpu_rhs_operand" "fG")))]
1044 "rmf%?d\\t%0, %1, %2"
1045 [(set_attr "type" "fdivd")])
1047 (define_insn "*moddf_esfdf_df"
1048 [(set (match_operand:DF 0 "s_register_operand" "=f")
1049 (mod:DF (float_extend:DF
1050 (match_operand:SF 1 "s_register_operand" "f"))
1051 (match_operand:DF 2 "fpu_rhs_operand" "fG")))]
1053 "rmf%?d\\t%0, %1, %2"
1054 [(set_attr "type" "fdivd")])
1056 (define_insn "*moddf_df_esfdf"
1057 [(set (match_operand:DF 0 "s_register_operand" "=f")
1058 (mod:DF (match_operand:DF 1 "s_register_operand" "f")
1060 (match_operand:SF 2 "s_register_operand" "f"))))]
1062 "rmf%?d\\t%0, %1, %2"
1063 [(set_attr "type" "fdivd")])
1065 (define_insn "*moddf_esfdf_esfdf"
1066 [(set (match_operand:DF 0 "s_register_operand" "=f")
1067 (mod:DF (float_extend:DF
1068 (match_operand:SF 1 "s_register_operand" "f"))
1070 (match_operand:SF 2 "s_register_operand" "f"))))]
1072 "rmf%?d\\t%0, %1, %2"
1073 [(set_attr "type" "fdivd")])
1075 (define_insn "modxf3"
1076 [(set (match_operand:XF 0 "s_register_operand" "=f")
1077 (mod:XF (match_operand:XF 1 "s_register_operand" "f")
1078 (match_operand:XF 2 "fpu_rhs_operand" "fG")))]
1079 "ENABLE_XF_PATTERNS && TARGET_HARD_FLOAT"
1080 "rmf%?e\\t%0, %1, %2"
1081 [(set_attr "type" "fdivx")])
1083 ;; Boolean and,ior,xor insns
1085 (define_insn "anddi3"
1086 [(set (match_operand:DI 0 "s_register_operand" "=&r,&r")
1087 (and:DI (match_operand:DI 1 "s_register_operand" "%0,0")
1088 (match_operand:DI 2 "s_register_operand" "r,0")))]
1090 "and%?\\t%Q0, %Q1, %Q2\;and%?\\t%R0, %R1, %R2"
1091 [(set_attr "length" "8")])
1093 (define_insn "*anddi_zesidi_di"
1094 [(set (match_operand:DI 0 "s_register_operand" "=&r,&r")
1095 (and:DI (zero_extend:DI
1096 (match_operand:SI 2 "s_register_operand" "r,r"))
1097 (match_operand:DI 1 "s_register_operand" "?r,0")))]
1099 "and%?\\t%Q0, %Q1, %2\;mov%?\\t%R0, #0"
1100 [(set_attr "length" "8")])
1102 (define_insn "*anddi_sesdi_di"
1103 [(set (match_operand:DI 0 "s_register_operand" "=&r,&r")
1104 (and:DI (sign_extend:DI
1105 (match_operand:SI 2 "s_register_operand" "r,r"))
1106 (match_operand:DI 1 "s_register_operand" "?r,0")))]
1108 "and%?\\t%Q0, %Q1, %2\;and%?\\t%R0, %R1, %2, asr #31"
1109 [(set_attr "length" "8")])
1111 (define_expand "andsi3"
1112 [(set (match_operand:SI 0 "s_register_operand" "")
1113 (and:SI (match_operand:SI 1 "s_register_operand" "")
1114 (match_operand:SI 2 "reg_or_int_operand" "")))]
1117 if (GET_CODE (operands[2]) == CONST_INT)
1119 arm_split_constant (AND, SImode, INTVAL (operands[2]), operands[0],
1121 (reload_in_progress || reload_completed
1122 ? 0 : preserve_subexpressions_p ()));
1127 (define_insn "*andsi3_insn"
1128 [(set (match_operand:SI 0 "s_register_operand" "=r,r,r")
1129 (and:SI (match_operand:SI 1 "s_register_operand" "r,r,r")
1130 (match_operand:SI 2 "reg_or_int_operand" "rI,K,?n")))]
1134 bic%?\\t%0, %1, #%B2
1136 [(set_attr "length" "4,4,16")])
1139 [(set (match_operand:SI 0 "s_register_operand" "")
1140 (and:SI (match_operand:SI 1 "s_register_operand" "")
1141 (match_operand:SI 2 "const_int_operand" "")))]
1142 "! (const_ok_for_arm (INTVAL (operands[2]))
1143 || const_ok_for_arm (~ INTVAL (operands[2])))"
1144 [(clobber (const_int 0))]
1146 arm_split_constant (AND, SImode, INTVAL (operands[2]), operands[0],
1151 (define_insn "*andsi3_compare0"
1152 [(set (reg:CC_NOOV 24)
1154 (and:SI (match_operand:SI 1 "s_register_operand" "r,r")
1155 (match_operand:SI 2 "arm_not_operand" "rI,K"))
1157 (set (match_operand:SI 0 "s_register_operand" "=r,r")
1158 (and:SI (match_dup 1) (match_dup 2)))]
1162 bic%?s\\t%0, %1, #%B2"
1163 [(set_attr "conds" "set")])
1165 (define_insn "*andsi3_compare0_scratch"
1166 [(set (reg:CC_NOOV 24)
1168 (and:SI (match_operand:SI 0 "s_register_operand" "r,r")
1169 (match_operand:SI 1 "arm_not_operand" "rI,K"))
1171 (clobber (match_scratch:SI 3 "=X,r"))]
1175 bic%?s\\t%3, %0, #%B1"
1176 [(set_attr "conds" "set")])
1178 (define_insn "*zeroextractsi_compare0_scratch"
1179 [(set (reg:CC_NOOV 24)
1180 (compare:CC_NOOV (zero_extract:SI
1181 (match_operand:SI 0 "s_register_operand" "r")
1182 (match_operand 1 "const_int_operand" "n")
1183 (match_operand 2 "const_int_operand" "n"))
1185 "INTVAL (operands[2]) >= 0 && INTVAL (operands[2]) < 32
1186 && INTVAL (operands[1]) > 0
1187 && INTVAL (operands[1]) + (INTVAL (operands[2]) & 1) <= 8
1188 && INTVAL (operands[1]) + INTVAL (operands[2]) <= 32"
1190 operands[1] = GEN_INT (((1 << INTVAL (operands[1])) - 1)
1191 << INTVAL (operands[2]));
1192 output_asm_insn (\"tst%?\\t%0, %1\", operands);
1195 [(set_attr "conds" "set")])
1197 (define_insn "*ne_zeroextractsi"
1198 [(set (match_operand:SI 0 "s_register_operand" "=r")
1199 (ne:SI (zero_extract:SI
1200 (match_operand:SI 1 "s_register_operand" "r")
1201 (match_operand:SI 2 "const_int_operand" "n")
1202 (match_operand:SI 3 "const_int_operand" "n"))
1204 "INTVAL (operands[3]) >= 0 && INTVAL (operands[3]) < 32
1205 && INTVAL (operands[2]) > 0
1206 && INTVAL (operands[2]) + (INTVAL (operands[3]) & 1) <= 8
1207 && INTVAL (operands[2]) + INTVAL (operands[3]) <= 32"
1209 operands[2] = GEN_INT (((1 << INTVAL (operands[2])) - 1)
1210 << INTVAL (operands[3]));
1211 output_asm_insn (\"ands\\t%0, %1, %2\", operands);
1212 return \"movne\\t%0, #1\";
1214 [(set_attr "conds" "clob")
1215 (set_attr "length" "8")])
1217 ;;; ??? This pattern is bogus. If operand3 has bits outside the range
1218 ;;; represented by the bitfield, then this will produce incorrect results.
1219 ;;; Somewhere, the value needs to be truncated. On targets like the m68k,
1220 ;;; which have a real bitfield insert instruction, the truncation happens
1221 ;;; in the bitfield insert instruction itself. Since arm does not have a
1222 ;;; bitfield insert instruction, we would have to emit code here to truncate
1223 ;;; the value before we insert. This loses some of the advantage of having
1224 ;;; this insv pattern, so this pattern needs to be reevalutated.
1226 (define_expand "insv"
1227 [(set (zero_extract:SI (match_operand:SI 0 "s_register_operand" "")
1228 (match_operand:SI 1 "general_operand" "")
1229 (match_operand:SI 2 "general_operand" ""))
1230 (match_operand:SI 3 "nonmemory_operand" ""))]
1234 int start_bit = INTVAL (operands[2]);
1235 int width = INTVAL (operands[1]);
1236 HOST_WIDE_INT mask = (((HOST_WIDE_INT)1) << width) - 1;
1237 rtx target, subtarget;
1239 target = operands[0];
1240 /* Avoid using a subreg as a subtarget, and avoid writing a paradoxical
1241 subreg as the final target. */
1242 if (GET_CODE (target) == SUBREG)
1244 subtarget = gen_reg_rtx (SImode);
1245 if (GET_MODE_SIZE (GET_MODE (SUBREG_REG (target)))
1246 < GET_MODE_SIZE (SImode))
1247 target = SUBREG_REG (target);
1252 if (GET_CODE (operands[3]) == CONST_INT)
1254 /* Since we are inserting a known constant, we may be able to
1255 reduce the number of bits that we have to clear so that
1256 the mask becomes simple. */
1257 /* ??? This code does not check to see if the new mask is actually
1258 simpler. It may not be. */
1259 rtx op1 = gen_reg_rtx (SImode);
1260 /* ??? Truncate operand3 to fit in the bitfield. See comment before
1261 start of this pattern. */
1262 HOST_WIDE_INT op3_value = mask & INTVAL (operands[3]);
1263 HOST_WIDE_INT mask2 = ((mask & ~op3_value) << start_bit);
1265 emit_insn (gen_andsi3 (op1, operands[0], GEN_INT (~mask2)));
1266 emit_insn (gen_iorsi3 (subtarget, op1,
1267 GEN_INT (op3_value << start_bit)));
1269 else if (start_bit == 0
1270 && ! (const_ok_for_arm (mask)
1271 || const_ok_for_arm (~mask)))
1273 /* A Trick, since we are setting the bottom bits in the word,
1274 we can shift operand[3] up, operand[0] down, OR them together
1275 and rotate the result back again. This takes 3 insns, and
1276 the third might be mergable into another op. */
1277 /* The shift up copes with the possibility that operand[3] is
1278 wider than the bitfield. */
1279 rtx op0 = gen_reg_rtx (SImode);
1280 rtx op1 = gen_reg_rtx (SImode);
1282 emit_insn (gen_ashlsi3 (op0, operands[3], GEN_INT (32 - width)));
1283 emit_insn (gen_iorsi3 (op1, gen_rtx_LSHIFTRT (SImode, operands[0],
1286 emit_insn (gen_rotlsi3 (subtarget, op1, operands[1]));
1288 else if ((width + start_bit == 32)
1289 && ! (const_ok_for_arm (mask)
1290 || const_ok_for_arm (~mask)))
1292 /* Similar trick, but slightly less efficient. */
1294 rtx op0 = gen_reg_rtx (SImode);
1295 rtx op1 = gen_reg_rtx (SImode);
1297 emit_insn (gen_ashlsi3 (op0, operands[3], GEN_INT (32 - width)));
1298 emit_insn (gen_ashlsi3 (op1, operands[0], operands[1]));
1299 emit_insn (gen_iorsi3 (subtarget,
1300 gen_rtx_LSHIFTRT (SImode, op1, operands[1]),
1305 rtx op0 = GEN_INT (mask);
1306 rtx op1 = gen_reg_rtx (SImode);
1307 rtx op2 = gen_reg_rtx (SImode);
1309 if (! (const_ok_for_arm (mask) || const_ok_for_arm (~mask)))
1311 rtx tmp = gen_reg_rtx (SImode);
1313 emit_insn (gen_movsi (tmp, op0));
1317 /* Mask out any bits in operand[3] that are not needed. */
1318 emit_insn (gen_andsi3 (op1, operands[3], op0));
1320 if (GET_CODE (op0) == CONST_INT
1321 && (const_ok_for_arm (mask << start_bit)
1322 || const_ok_for_arm (~ (mask << start_bit))))
1324 op0 = GEN_INT (~(mask << start_bit));
1325 emit_insn (gen_andsi3 (op2, operands[0], op0));
1329 if (GET_CODE (op0) == CONST_INT)
1331 rtx tmp = gen_reg_rtx (SImode);
1333 emit_insn (gen_movsi (tmp, op0));
1338 op0 = gen_rtx_ASHIFT (SImode, op0, operands[2]);
1340 emit_insn (gen_andsi_notsi_si (op2, operands[0], op0));
1344 op1 = gen_rtx_ASHIFT (SImode, op1, operands[2]);
1346 emit_insn (gen_iorsi3 (subtarget, op1, op2));
1349 if (subtarget != target)
1351 /* If TARGET is still a SUBREG, then it must be wider than a word,
1352 so we must be careful only to set the subword we were asked to. */
1353 if (GET_CODE (target) == SUBREG)
1354 emit_move_insn (target, subtarget);
1356 emit_move_insn (target, gen_lowpart (GET_MODE (target), subtarget));
1363 ;; constants for op 2 will never be given to these patterns.
1364 (define_insn "*anddi_notdi_di"
1365 [(set (match_operand:DI 0 "s_register_operand" "=&r,&r")
1366 (and:DI (not:DI (match_operand:DI 2 "s_register_operand" "r,0"))
1367 (match_operand:DI 1 "s_register_operand" "0,r")))]
1369 "bic%?\\t%Q0, %Q1, %Q2\;bic%?\\t%R0, %R1, %R2"
1370 [(set_attr "length" "8")])
1372 (define_insn "*anddi_notzesidi_di"
1373 [(set (match_operand:DI 0 "s_register_operand" "=&r,&r")
1374 (and:DI (not:DI (zero_extend:DI
1375 (match_operand:SI 2 "s_register_operand" "r,r")))
1376 (match_operand:DI 1 "s_register_operand" "0,?r")))]
1379 bic%?\\t%Q0, %Q1, %2
1380 bic%?\\t%Q0, %Q1, %2\;mov%?\\t%R0, %R1"
1381 [(set_attr "length" "4,8")])
1383 (define_insn "*anddi_notsesidi_di"
1384 [(set (match_operand:DI 0 "s_register_operand" "=&r,&r")
1385 (and:DI (not:DI (sign_extend:DI
1386 (match_operand:SI 2 "s_register_operand" "r,r")))
1387 (match_operand:DI 1 "s_register_operand" "?r,0")))]
1389 "bic%?\\t%Q0, %Q1, %2\;bic%?\\t%R0, %R1, %2, asr #31"
1390 [(set_attr "length" "8")])
1392 (define_insn "andsi_notsi_si"
1393 [(set (match_operand:SI 0 "s_register_operand" "=r")
1394 (and:SI (not:SI (match_operand:SI 2 "s_register_operand" "r"))
1395 (match_operand:SI 1 "s_register_operand" "r")))]
1397 "bic%?\\t%0, %1, %2")
1399 (define_insn "andsi_not_shiftsi_si"
1400 [(set (match_operand:SI 0 "s_register_operand" "=r")
1401 (and:SI (not:SI (match_operator:SI 4 "shift_operator"
1402 [(match_operand:SI 2 "s_register_operand" "r")
1403 (match_operand:SI 3 "arm_rhs_operand" "rM")]))
1404 (match_operand:SI 1 "s_register_operand" "r")))]
1406 "bic%?\\t%0, %1, %2%S4")
1408 (define_insn "*andsi_notsi_si_compare0"
1409 [(set (reg:CC_NOOV 24)
1411 (and:SI (not:SI (match_operand:SI 2 "s_register_operand" "r"))
1412 (match_operand:SI 1 "s_register_operand" "r"))
1414 (set (match_operand:SI 0 "s_register_operand" "=r")
1415 (and:SI (not:SI (match_dup 2)) (match_dup 1)))]
1417 "bic%?s\\t%0, %1, %2"
1418 [(set_attr "conds" "set")])
1420 (define_insn "*andsi_notsi_si_compare0_scratch"
1421 [(set (reg:CC_NOOV 24)
1423 (and:SI (not:SI (match_operand:SI 2 "s_register_operand" "r"))
1424 (match_operand:SI 1 "s_register_operand" "r"))
1426 (clobber (match_scratch:SI 0 "=r"))]
1428 "bic%?s\\t%0, %1, %2"
1429 [(set_attr "conds" "set")])
1431 (define_insn "iordi3"
1432 [(set (match_operand:DI 0 "s_register_operand" "=&r")
1433 (ior:DI (match_operand:DI 1 "s_register_operand" "%0")
1434 (match_operand:DI 2 "s_register_operand" "r")))]
1436 "orr%?\\t%Q0, %Q1, %Q2\;orr%?\\t%R0, %R1, %R2"
1437 [(set_attr "length" "8")])
1439 (define_insn "*iordi_zesidi_di"
1440 [(set (match_operand:DI 0 "s_register_operand" "=&r,&r")
1441 (ior:DI (zero_extend:DI
1442 (match_operand:SI 2 "s_register_operand" "r,r"))
1443 (match_operand:DI 1 "s_register_operand" "0,?r")))]
1446 orr%?\\t%Q0, %Q1, %2
1447 orr%?\\t%Q0, %Q1, %2\;mov%?\\t%R0, %R1"
1448 [(set_attr "length" "4,8")])
1450 (define_insn "*iordi_sesidi_di"
1451 [(set (match_operand:DI 0 "s_register_operand" "=&r,&r")
1452 (ior:DI (sign_extend:DI
1453 (match_operand:SI 2 "s_register_operand" "r,r"))
1454 (match_operand:DI 1 "s_register_operand" "?r,0")))]
1456 "orr%?\\t%Q0, %Q1, %2\;orr%?\\t%R0, %R1, %2, asr #31"
1457 [(set_attr "length" "8")])
1459 (define_expand "iorsi3"
1460 [(set (match_operand:SI 0 "s_register_operand" "")
1461 (ior:SI (match_operand:SI 1 "s_register_operand" "")
1462 (match_operand:SI 2 "reg_or_int_operand" "")))]
1465 if (GET_CODE (operands[2]) == CONST_INT)
1467 arm_split_constant (IOR, SImode, INTVAL (operands[2]), operands[0],
1469 (reload_in_progress || reload_completed
1470 ? 0 : preserve_subexpressions_p ()));
1475 (define_insn "*iorsi3_insn"
1476 [(set (match_operand:SI 0 "s_register_operand" "=r,r")
1477 (ior:SI (match_operand:SI 1 "s_register_operand" "r,r")
1478 (match_operand:SI 2 "reg_or_int_operand" "rI,?n")))]
1483 [(set_attr "length" "4,16")])
1486 [(set (match_operand:SI 0 "s_register_operand" "")
1487 (ior:SI (match_operand:SI 1 "s_register_operand" "")
1488 (match_operand:SI 2 "const_int_operand" "")))]
1489 "! const_ok_for_arm (INTVAL (operands[2]))"
1490 [(clobber (const_int 0))]
1492 arm_split_constant (IOR, SImode, INTVAL (operands[2]), operands[0],
1497 (define_insn "*iorsi3_compare0"
1498 [(set (reg:CC_NOOV 24)
1499 (compare:CC_NOOV (ior:SI (match_operand:SI 1 "s_register_operand" "%r")
1500 (match_operand:SI 2 "arm_rhs_operand" "rI"))
1502 (set (match_operand:SI 0 "s_register_operand" "=r")
1503 (ior:SI (match_dup 1) (match_dup 2)))]
1505 "orr%?s\\t%0, %1, %2"
1506 [(set_attr "conds" "set")])
1508 (define_insn "*iorsi3_compare0_scratch"
1509 [(set (reg:CC_NOOV 24)
1510 (compare:CC_NOOV (ior:SI (match_operand:SI 1 "s_register_operand" "%r")
1511 (match_operand:SI 2 "arm_rhs_operand" "rI"))
1513 (clobber (match_scratch:SI 0 "=r"))]
1515 "orr%?s\\t%0, %1, %2"
1516 [(set_attr "conds" "set")])
1518 (define_insn "xordi3"
1519 [(set (match_operand:DI 0 "s_register_operand" "=&r,&r")
1520 (xor:DI (match_operand:DI 1 "s_register_operand" "%0,0")
1521 (match_operand:DI 2 "s_register_operand" "r,0")))]
1523 "eor%?\\t%Q0, %Q1, %Q2\;eor%?\\t%R0, %R1, %R2"
1524 [(set_attr "length" "8")])
1526 (define_insn "*xordi_zesidi_di"
1527 [(set (match_operand:DI 0 "s_register_operand" "=&r,&r")
1528 (xor:DI (zero_extend:DI
1529 (match_operand:SI 2 "s_register_operand" "r,r"))
1530 (match_operand:DI 1 "s_register_operand" "0,?r")))]
1533 eor%?\\t%Q0, %Q1, %2
1534 eor%?\\t%Q0, %Q1, %2\;mov%?\\t%R0, %R1"
1535 [(set_attr "length" "4,8")])
1537 (define_insn "*xordi_sesidi_di"
1538 [(set (match_operand:DI 0 "s_register_operand" "=&r,&r")
1539 (xor:DI (sign_extend:DI
1540 (match_operand:SI 2 "s_register_operand" "r,r"))
1541 (match_operand:DI 1 "s_register_operand" "?r,0")))]
1543 "eor%?\\t%Q0, %Q1, %2\;eor%?\\t%R0, %R1, %2, asr #31"
1544 [(set_attr "length" "8")])
1546 (define_insn "xorsi3"
1547 [(set (match_operand:SI 0 "s_register_operand" "=r")
1548 (xor:SI (match_operand:SI 1 "s_register_operand" "r")
1549 (match_operand:SI 2 "arm_rhs_operand" "rI")))]
1551 "eor%?\\t%0, %1, %2")
1553 (define_insn "*xorsi3_compare0"
1554 [(set (reg:CC_NOOV 24)
1555 (compare:CC_NOOV (xor:SI (match_operand:SI 1 "s_register_operand" "r")
1556 (match_operand:SI 2 "arm_rhs_operand" "rI"))
1558 (set (match_operand:SI 0 "s_register_operand" "=r")
1559 (xor:SI (match_dup 1) (match_dup 2)))]
1561 "eor%?s\\t%0, %1, %2"
1562 [(set_attr "conds" "set")])
1564 (define_insn "*xorsi3_compare0_scratch"
1565 [(set (reg:CC_NOOV 24)
1566 (compare:CC_NOOV (xor:SI (match_operand:SI 0 "s_register_operand" "r")
1567 (match_operand:SI 1 "arm_rhs_operand" "rI"))
1571 [(set_attr "conds" "set")])
1573 ;; by splitting (IOR (AND (NOT A) (NOT B)) C) as D = AND (IOR A B) (NOT C),
1574 ;; (NOT D) we can sometimes merge the final NOT into one of the following
1578 [(set (match_operand:SI 0 "s_register_operand" "=r")
1579 (ior:SI (and:SI (not:SI (match_operand:SI 1 "s_register_operand" "r"))
1580 (not:SI (match_operand:SI 2 "arm_rhs_operand" "rI")))
1581 (match_operand:SI 3 "arm_rhs_operand" "rI")))
1582 (clobber (match_operand:SI 4 "s_register_operand" "=r"))]
1584 [(set (match_dup 4) (and:SI (ior:SI (match_dup 1) (match_dup 2))
1585 (not:SI (match_dup 3))))
1586 (set (match_dup 0) (not:SI (match_dup 4)))]
1590 (define_insn "*andsi_iorsi3_notsi"
1591 [(set (match_operand:SI 0 "s_register_operand" "=&r,&r,&r")
1592 (and:SI (ior:SI (match_operand:SI 1 "s_register_operand" "r,r,0")
1593 (match_operand:SI 2 "arm_rhs_operand" "rI,0,rI"))
1594 (not:SI (match_operand:SI 3 "arm_rhs_operand" "rI,rI,rI"))))]
1596 "orr%?\\t%0, %1, %2\;bic%?\\t%0, %0, %3"
1597 [(set_attr "length" "8")])
1601 ;; Minimum and maximum insns
1603 (define_insn "smaxsi3"
1604 [(set (match_operand:SI 0 "s_register_operand" "=r,r,r")
1605 (smax:SI (match_operand:SI 1 "s_register_operand" "0,r,?r")
1606 (match_operand:SI 2 "arm_rhs_operand" "rI,0,rI")))
1607 (clobber (reg:CC 24))]
1610 cmp\\t%1, %2\;movlt\\t%0, %2
1611 cmp\\t%1, %2\;movge\\t%0, %1
1612 cmp\\t%1, %2\;movge\\t%0, %1\;movlt\\t%0, %2"
1613 [(set_attr "conds" "clob")
1614 (set_attr "length" "8,8,12")])
1616 (define_insn "sminsi3"
1617 [(set (match_operand:SI 0 "s_register_operand" "=r,r,r")
1618 (smin:SI (match_operand:SI 1 "s_register_operand" "0,r,?r")
1619 (match_operand:SI 2 "arm_rhs_operand" "rI,0,rI")))
1620 (clobber (reg:CC 24))]
1623 cmp\\t%1, %2\;movge\\t%0, %2
1624 cmp\\t%1, %2\;movlt\\t%0, %1
1625 cmp\\t%1, %2\;movlt\\t%0, %1\;movge\\t%0, %2"
1626 [(set_attr "conds" "clob")
1627 (set_attr "length" "8,8,12")])
1629 (define_insn "umaxsi3"
1630 [(set (match_operand:SI 0 "s_register_operand" "=r,r,r")
1631 (umax:SI (match_operand:SI 1 "s_register_operand" "0,r,?r")
1632 (match_operand:SI 2 "arm_rhs_operand" "rI,0,rI")))
1633 (clobber (reg:CC 24))]
1636 cmp\\t%1, %2\;movcc\\t%0, %2
1637 cmp\\t%1, %2\;movcs\\t%0, %1
1638 cmp\\t%1, %2\;movcs\\t%0, %1\;movcc\\t%0, %2"
1639 [(set_attr "conds" "clob")
1640 (set_attr "length" "8,8,12")])
1642 (define_insn "uminsi3"
1643 [(set (match_operand:SI 0 "s_register_operand" "=r,r,r")
1644 (umin:SI (match_operand:SI 1 "s_register_operand" "0,r,?r")
1645 (match_operand:SI 2 "arm_rhs_operand" "rI,0,rI")))
1646 (clobber (reg:CC 24))]
1649 cmp\\t%1, %2\;movcs\\t%0, %2
1650 cmp\\t%1, %2\;movcc\\t%0, %1
1651 cmp\\t%1, %2\;movcc\\t%0, %1\;movcs\\t%0, %2"
1652 [(set_attr "conds" "clob")
1653 (set_attr "length" "8,8,12")])
1655 (define_insn "*store_minmaxsi"
1656 [(set (match_operand:SI 0 "memory_operand" "=m")
1657 (match_operator:SI 3 "minmax_operator"
1658 [(match_operand:SI 1 "s_register_operand" "r")
1659 (match_operand:SI 2 "s_register_operand" "r")]))
1660 (clobber (reg:CC 24))]
1663 operands[3] = gen_rtx (minmax_code (operands[3]), SImode, operands[1],
1665 output_asm_insn (\"cmp\\t%1, %2\", operands);
1666 output_asm_insn (\"str%d3\\t%1, %0\", operands);
1667 output_asm_insn (\"str%D3\\t%2, %0\", operands);
1670 [(set_attr "conds" "clob")
1671 (set_attr "length" "12")
1672 (set_attr "type" "store1")])
1674 ; Reject the frame pointer in operand[1], since reloading this after
1675 ; it has been eliminated can cause carnage.
1676 (define_insn "*minmax_arithsi"
1677 [(set (match_operand:SI 0 "s_register_operand" "=r,r")
1678 (match_operator:SI 4 "shiftable_operator"
1679 [(match_operator:SI 5 "minmax_operator"
1680 [(match_operand:SI 2 "s_register_operand" "r,r")
1681 (match_operand:SI 3 "arm_rhs_operand" "rI,rI")])
1682 (match_operand:SI 1 "s_register_operand" "0,?r")]))
1683 (clobber (reg:CC 24))]
1684 "GET_CODE (operands[1]) != REG
1685 || (REGNO(operands[1]) != FRAME_POINTER_REGNUM
1686 && REGNO(operands[1]) != ARG_POINTER_REGNUM)"
1689 enum rtx_code code = GET_CODE (operands[4]);
1691 operands[5] = gen_rtx (minmax_code (operands[5]), SImode, operands[2],
1693 output_asm_insn (\"cmp\\t%2, %3\", operands);
1694 output_asm_insn (\"%i4%d5\\t%0, %1, %2\", operands);
1695 if (which_alternative != 0 || operands[3] != const0_rtx
1696 || (code != PLUS && code != MINUS && code != IOR && code != XOR))
1697 output_asm_insn (\"%i4%D5\\t%0, %1, %3\", operands);
1701 [(set_attr "conds" "clob")
1702 (set_attr "length" "12")])
1705 ;; Shift and rotation insns
1707 (define_expand "ashlsi3"
1708 [(set (match_operand:SI 0 "s_register_operand" "")
1709 (ashift:SI (match_operand:SI 1 "s_register_operand" "")
1710 (match_operand:SI 2 "arm_rhs_operand" "")))]
1713 if (GET_CODE (operands[2]) == CONST_INT
1714 && ((unsigned HOST_WIDE_INT) INTVAL (operands[2])) > 31)
1716 emit_insn (gen_movsi (operands[0], const0_rtx));
1721 (define_expand "ashrsi3"
1722 [(set (match_operand:SI 0 "s_register_operand" "")
1723 (ashiftrt:SI (match_operand:SI 1 "s_register_operand" "")
1724 (match_operand:SI 2 "arm_rhs_operand" "")))]
1727 if (GET_CODE (operands[2]) == CONST_INT
1728 && ((unsigned HOST_WIDE_INT) INTVAL (operands[2])) > 31)
1729 operands[2] = GEN_INT (31);
1732 (define_expand "lshrsi3"
1733 [(set (match_operand:SI 0 "s_register_operand" "")
1734 (lshiftrt:SI (match_operand:SI 1 "s_register_operand" "")
1735 (match_operand:SI 2 "arm_rhs_operand" "")))]
1738 if (GET_CODE (operands[2]) == CONST_INT
1739 && ((unsigned HOST_WIDE_INT) INTVAL (operands[2])) > 31)
1741 emit_insn (gen_movsi (operands[0], const0_rtx));
1746 (define_expand "rotlsi3"
1747 [(set (match_operand:SI 0 "s_register_operand" "")
1748 (rotatert:SI (match_operand:SI 1 "s_register_operand" "")
1749 (match_operand:SI 2 "reg_or_int_operand" "")))]
1752 if (GET_CODE (operands[2]) == CONST_INT)
1753 operands[2] = GEN_INT ((32 - INTVAL (operands[2])) % 32);
1756 rtx reg = gen_reg_rtx (SImode);
1757 emit_insn (gen_subsi3 (reg, GEN_INT (32), operands[2]));
1762 (define_expand "rotrsi3"
1763 [(set (match_operand:SI 0 "s_register_operand" "")
1764 (rotatert:SI (match_operand:SI 1 "s_register_operand" "")
1765 (match_operand:SI 2 "arm_rhs_operand" "")))]
1768 if (GET_CODE (operands[2]) == CONST_INT
1769 && ((unsigned HOST_WIDE_INT) INTVAL (operands[2])) > 31)
1770 operands[2] = GEN_INT (INTVAL (operands[2]) % 32);
1773 (define_insn "*shiftsi3"
1774 [(set (match_operand:SI 0 "s_register_operand" "=r")
1775 (match_operator:SI 3 "shift_operator"
1776 [(match_operand:SI 1 "s_register_operand" "r")
1777 (match_operand:SI 2 "reg_or_int_operand" "rM")]))]
1779 "mov%?\\t%0, %1%S3")
1781 (define_insn "*shiftsi3_compare0"
1782 [(set (reg:CC_NOOV 24)
1783 (compare:CC_NOOV (match_operator:SI 3 "shift_operator"
1784 [(match_operand:SI 1 "s_register_operand" "r")
1785 (match_operand:SI 2 "arm_rhs_operand" "rM")])
1787 (set (match_operand:SI 0 "s_register_operand" "=r")
1788 (match_op_dup 3 [(match_dup 1) (match_dup 2)]))]
1790 "mov%?s\\t%0, %1%S3"
1791 [(set_attr "conds" "set")])
1793 (define_insn "*shiftsi3_compare0_scratch"
1794 [(set (reg:CC_NOOV 24)
1795 (compare:CC_NOOV (match_operator:SI 3 "shift_operator"
1796 [(match_operand:SI 1 "s_register_operand" "r")
1797 (match_operand:SI 2 "arm_rhs_operand" "rM")])
1799 (clobber (match_scratch:SI 0 "=r"))]
1801 "mov%?s\\t%0, %1%S3"
1802 [(set_attr "conds" "set")])
1804 (define_insn "*notsi_shiftsi"
1805 [(set (match_operand:SI 0 "s_register_operand" "=r")
1806 (not:SI (match_operator:SI 3 "shift_operator"
1807 [(match_operand:SI 1 "s_register_operand" "r")
1808 (match_operand:SI 2 "arm_rhs_operand" "rM")])))]
1810 "mvn%?\\t%0, %1%S3")
1812 (define_insn "*notsi_shiftsi_compare0"
1813 [(set (reg:CC_NOOV 24)
1814 (compare:CC_NOOV (not:SI (match_operator:SI 3 "shift_operator"
1815 [(match_operand:SI 1 "s_register_operand" "r")
1816 (match_operand:SI 2 "arm_rhs_operand" "rM")]))
1818 (set (match_operand:SI 0 "s_register_operand" "=r")
1819 (not:SI (match_op_dup 3 [(match_dup 1) (match_dup 2)])))]
1821 "mvn%?s\\t%0, %1%S3"
1822 [(set_attr "conds" "set")])
1824 (define_insn "*not_shiftsi_compare0_scratch"
1825 [(set (reg:CC_NOOV 24)
1826 (compare:CC_NOOV (not:SI (match_operator:SI 3 "shift_operator"
1827 [(match_operand:SI 1 "s_register_operand" "r")
1828 (match_operand:SI 2 "arm_rhs_operand" "rM")]))
1830 (clobber (match_scratch:SI 0 "=r"))]
1832 "mvn%?s\\t%0, %1%S3"
1833 [(set_attr "conds" "set")])
1836 ;; Unary arithmetic insns
1838 (define_insn "negdi2"
1839 [(set (match_operand:DI 0 "s_register_operand" "=&r,&r")
1840 (neg:DI (match_operand:DI 1 "s_register_operand" "?r,0")))]
1842 "rsbs\\t%Q0, %Q1, #0\;rsc\\t%R0, %R1, #0"
1843 [(set_attr "conds" "clob")
1844 (set_attr "length" "8")])
1846 (define_insn "negsi2"
1847 [(set (match_operand:SI 0 "s_register_operand" "=r")
1848 (neg:SI (match_operand:SI 1 "s_register_operand" "r")))]
1850 "rsb%?\\t%0, %1, #0")
1852 (define_insn "negsf2"
1853 [(set (match_operand:SF 0 "s_register_operand" "=f")
1854 (neg:SF (match_operand:SF 1 "s_register_operand" "f")))]
1857 [(set_attr "type" "ffarith")])
1859 (define_insn "negdf2"
1860 [(set (match_operand:DF 0 "s_register_operand" "=f")
1861 (neg:DF (match_operand:DF 1 "s_register_operand" "f")))]
1864 [(set_attr "type" "ffarith")])
1866 (define_insn "*negdf_esfdf"
1867 [(set (match_operand:DF 0 "s_register_operand" "=f")
1868 (neg:DF (float_extend:DF
1869 (match_operand:SF 1 "s_register_operand" "f"))))]
1872 [(set_attr "type" "ffarith")])
1874 (define_insn "negxf2"
1875 [(set (match_operand:XF 0 "s_register_operand" "=f")
1876 (neg:XF (match_operand:XF 1 "s_register_operand" "f")))]
1877 "ENABLE_XF_PATTERNS && TARGET_HARD_FLOAT"
1879 [(set_attr "type" "ffarith")])
1881 ;; abssi2 doesn't really clobber the condition codes if a different register
1882 ;; is being set. To keep things simple, assume during rtl manipulations that
1883 ;; it does, but tell the final scan operator the truth. Similarly for
1886 (define_insn "abssi2"
1887 [(set (match_operand:SI 0 "s_register_operand" "=r,&r")
1888 (abs:SI (match_operand:SI 1 "s_register_operand" "0,r")))
1889 (clobber (reg:CC 24))]
1892 cmp\\t%0, #0\;rsblt\\t%0, %0, #0
1893 eor%?\\t%0, %1, %1, asr #31\;sub%?\\t%0, %0, %1, asr #31"
1894 [(set_attr "conds" "clob,*")
1895 (set_attr "length" "8")])
1897 (define_insn "*neg_abssi2"
1898 [(set (match_operand:SI 0 "s_register_operand" "=r,&r")
1899 (neg:SI (abs:SI (match_operand:SI 1 "s_register_operand" "0,r"))))
1900 (clobber (reg:CC 24))]
1903 cmp\\t%0, #0\;rsbgt\\t%0, %0, #0
1904 eor%?\\t%0, %1, %1, asr #31\;rsb%?\\t%0, %0, %1, asr #31"
1905 [(set_attr "conds" "clob,*")
1906 (set_attr "length" "8")])
1908 (define_insn "abssf2"
1909 [(set (match_operand:SF 0 "s_register_operand" "=f")
1910 (abs:SF (match_operand:SF 1 "s_register_operand" "f")))]
1913 [(set_attr "type" "ffarith")])
1915 (define_insn "absdf2"
1916 [(set (match_operand:DF 0 "s_register_operand" "=f")
1917 (abs:DF (match_operand:DF 1 "s_register_operand" "f")))]
1920 [(set_attr "type" "ffarith")])
1922 (define_insn "*absdf_esfdf"
1923 [(set (match_operand:DF 0 "s_register_operand" "=f")
1924 (abs:DF (float_extend:DF
1925 (match_operand:SF 1 "s_register_operand" "f"))))]
1928 [(set_attr "type" "ffarith")])
1930 (define_insn "absxf2"
1931 [(set (match_operand:XF 0 "s_register_operand" "=f")
1932 (abs:XF (match_operand:XF 1 "s_register_operand" "f")))]
1933 "ENABLE_XF_PATTERNS && TARGET_HARD_FLOAT"
1935 [(set_attr "type" "ffarith")])
1937 (define_insn "sqrtsf2"
1938 [(set (match_operand:SF 0 "s_register_operand" "=f")
1939 (sqrt:SF (match_operand:SF 1 "s_register_operand" "f")))]
1942 [(set_attr "type" "float_em")])
1944 (define_insn "sqrtdf2"
1945 [(set (match_operand:DF 0 "s_register_operand" "=f")
1946 (sqrt:DF (match_operand:DF 1 "s_register_operand" "f")))]
1949 [(set_attr "type" "float_em")])
1951 (define_insn "*sqrtdf_esfdf"
1952 [(set (match_operand:DF 0 "s_register_operand" "=f")
1953 (sqrt:DF (float_extend:DF
1954 (match_operand:SF 1 "s_register_operand" "f"))))]
1957 [(set_attr "type" "float_em")])
1959 (define_insn "sqrtxf2"
1960 [(set (match_operand:XF 0 "s_register_operand" "=f")
1961 (sqrt:XF (match_operand:XF 1 "s_register_operand" "f")))]
1962 "ENABLE_XF_PATTERNS && TARGET_HARD_FLOAT"
1964 [(set_attr "type" "float_em")])
1966 ;; SIN COS TAN and family are always emulated, so it's probably better
1967 ;; to always call a library function.
1968 ;(define_insn "sinsf2"
1969 ; [(set (match_operand:SF 0 "s_register_operand" "=f")
1970 ; (unspec:SF [(match_operand:SF 1 "s_register_operand" "f")] 0))]
1971 ; "TARGET_HARD_FLOAT"
1973 ;[(set_attr "type" "float_em")])
1975 ;(define_insn "sindf2"
1976 ; [(set (match_operand:DF 0 "s_register_operand" "=f")
1977 ; (unspec:DF [(match_operand:DF 1 "s_register_operand" "f")] 0))]
1978 ; "TARGET_HARD_FLOAT"
1980 ;[(set_attr "type" "float_em")])
1982 ;(define_insn "*sindf_esfdf"
1983 ; [(set (match_operand:DF 0 "s_register_operand" "=f")
1984 ; (unspec:DF [(float_extend:DF
1985 ; (match_operand:SF 1 "s_register_operand" "f"))] 0))]
1986 ; "TARGET_HARD_FLOAT"
1988 ;[(set_attr "type" "float_em")])
1990 ;(define_insn "sinxf2"
1991 ; [(set (match_operand:XF 0 "s_register_operand" "=f")
1992 ; (unspec:XF [(match_operand:XF 1 "s_register_operand" "f")] 0))]
1993 ; "ENABLE_XF_PATTERNS && TARGET_HARD_FLOAT"
1995 ;[(set_attr "type" "float_em")])
1997 ;(define_insn "cossf2"
1998 ; [(set (match_operand:SF 0 "s_register_operand" "=f")
1999 ; (unspec:SF [(match_operand:SF 1 "s_register_operand" "f")] 1))]
2000 ; "TARGET_HARD_FLOAT"
2002 ;[(set_attr "type" "float_em")])
2004 ;(define_insn "cosdf2"
2005 ; [(set (match_operand:DF 0 "s_register_operand" "=f")
2006 ; (unspec:DF [(match_operand:DF 1 "s_register_operand" "f")] 1))]
2007 ; "TARGET_HARD_FLOAT"
2009 ;[(set_attr "type" "float_em")])
2011 ;(define_insn "*cosdf_esfdf"
2012 ; [(set (match_operand:DF 0 "s_register_operand" "=f")
2013 ; (unspec:DF [(float_extend:DF
2014 ; (match_operand:SF 1 "s_register_operand" "f"))] 1))]
2015 ; "TARGET_HARD_FLOAT"
2017 ;[(set_attr "type" "float_em")])
2019 ;(define_insn "cosxf2"
2020 ; [(set (match_operand:XF 0 "s_register_operand" "=f")
2021 ; (unspec:XF [(match_operand:XF 1 "s_register_operand" "f")] 1))]
2022 ; "ENABLE_XF_PATTERNS && TARGET_HARD_FLOAT"
2024 ;[(set_attr "type" "float_em")])
2026 (define_insn "one_cmpldi2"
2027 [(set (match_operand:DI 0 "s_register_operand" "=&r,&r")
2028 (not:DI (match_operand:DI 1 "s_register_operand" "?r,0")))]
2030 "mvn%?\\t%Q0, %Q1\;mvn%?\\t%R0, %R1"
2031 [(set_attr "length" "8")])
2033 (define_insn "one_cmplsi2"
2034 [(set (match_operand:SI 0 "s_register_operand" "=r")
2035 (not:SI (match_operand:SI 1 "s_register_operand" "r")))]
2039 (define_insn "*notsi_compare0"
2040 [(set (reg:CC_NOOV 24)
2041 (compare:CC_NOOV (not:SI (match_operand:SI 1 "s_register_operand" "r"))
2043 (set (match_operand:SI 0 "s_register_operand" "=r")
2044 (not:SI (match_dup 1)))]
2047 [(set_attr "conds" "set")])
2049 (define_insn "*notsi_compare0_scratch"
2050 [(set (reg:CC_NOOV 24)
2051 (compare:CC_NOOV (not:SI (match_operand:SI 1 "s_register_operand" "r"))
2053 (clobber (match_scratch:SI 0 "=r"))]
2056 [(set_attr "conds" "set")])
2058 ;; Fixed <--> Floating conversion insns
2060 (define_insn "floatsisf2"
2061 [(set (match_operand:SF 0 "s_register_operand" "=f")
2062 (float:SF (match_operand:SI 1 "s_register_operand" "r")))]
2065 [(set_attr "type" "r_2_f")])
2067 (define_insn "floatsidf2"
2068 [(set (match_operand:DF 0 "s_register_operand" "=f")
2069 (float:DF (match_operand:SI 1 "s_register_operand" "r")))]
2072 [(set_attr "type" "r_2_f")])
2074 (define_insn "floatsixf2"
2075 [(set (match_operand:XF 0 "s_register_operand" "=f")
2076 (float:XF (match_operand:SI 1 "s_register_operand" "r")))]
2077 "ENABLE_XF_PATTERNS && TARGET_HARD_FLOAT"
2079 [(set_attr "type" "r_2_f")])
2081 (define_insn "fix_truncsfsi2"
2082 [(set (match_operand:SI 0 "s_register_operand" "=r")
2083 (fix:SI (match_operand:SF 1 "s_register_operand" "f")))]
2086 [(set_attr "type" "f_2_r")])
2088 (define_insn "fix_truncdfsi2"
2089 [(set (match_operand:SI 0 "s_register_operand" "=r")
2090 (fix:SI (match_operand:DF 1 "s_register_operand" "f")))]
2093 [(set_attr "type" "f_2_r")])
2095 (define_insn "fix_truncxfsi2"
2096 [(set (match_operand:SI 0 "s_register_operand" "=r")
2097 (fix:SI (match_operand:XF 1 "s_register_operand" "f")))]
2098 "ENABLE_XF_PATTERNS && TARGET_HARD_FLOAT"
2100 [(set_attr "type" "f_2_r")])
2104 (define_insn "truncdfsf2"
2105 [(set (match_operand:SF 0 "s_register_operand" "=f")
2107 (match_operand:DF 1 "s_register_operand" "f")))]
2110 [(set_attr "type" "ffarith")])
2112 (define_insn "truncxfsf2"
2113 [(set (match_operand:SF 0 "s_register_operand" "=f")
2115 (match_operand:XF 1 "s_register_operand" "f")))]
2116 "ENABLE_XF_PATTERNS && TARGET_HARD_FLOAT"
2118 [(set_attr "type" "ffarith")])
2120 (define_insn "truncxfdf2"
2121 [(set (match_operand:DF 0 "s_register_operand" "=f")
2123 (match_operand:XF 1 "s_register_operand" "f")))]
2124 "ENABLE_XF_PATTERNS && TARGET_HARD_FLOAT"
2126 [(set_attr "type" "ffarith")])
2128 ;; Zero and sign extension instructions.
2130 (define_insn "zero_extendsidi2"
2131 [(set (match_operand:DI 0 "s_register_operand" "=r")
2132 (zero_extend:DI (match_operand:SI 1 "s_register_operand" "r")))]
2135 if (REGNO (operands[1]) != REGNO (operands[0]) + (WORDS_BIG_ENDIAN ? 1 : 0))
2136 output_asm_insn (\"mov%?\\t%Q0, %1\", operands);
2137 return \"mov%?\\t%R0, #0\";
2139 [(set_attr "length" "8")])
2141 (define_insn "zero_extendqidi2"
2142 [(set (match_operand:DI 0 "s_register_operand" "=r,r")
2143 (zero_extend:DI (match_operand:QI 1 "nonimmediate_operand" "r,m")))]
2146 and%?\\t%Q0, %1, #255\;mov%?\\t%R0, #0
2147 ldr%?b\\t%Q0, %1\;mov%?\\t%R0, #0"
2148 [(set_attr "length" "8")
2149 (set_attr "type" "*,load")])
2151 (define_insn "extendsidi2"
2152 [(set (match_operand:DI 0 "s_register_operand" "=r")
2153 (sign_extend:DI (match_operand:SI 1 "s_register_operand" "r")))]
2156 if (REGNO (operands[1]) != REGNO (operands[0]) + (WORDS_BIG_ENDIAN ? 1 : 0))
2157 output_asm_insn (\"mov%?\\t%Q0, %1\", operands);
2158 return \"mov%?\\t%R0, %Q0, asr #31\";
2160 [(set_attr "length" "8")])
2162 (define_expand "zero_extendhisi2"
2163 [(set (match_dup 2) (ashift:SI (match_operand:HI 1 "nonimmediate_operand" "")
2165 (set (match_operand:SI 0 "s_register_operand" "")
2166 (lshiftrt:SI (match_dup 2) (const_int 16)))]
2170 if (arm_arch4 && GET_CODE (operands[1]) == MEM)
2172 /* Note: We do not have to worry about TARGET_SHORT_BY_BYTES
2173 here because the insn below will generate an LDRH instruction
2174 rather than an LDR instruction, so we cannot get an unaligned
2176 emit_insn (gen_rtx_SET (VOIDmode, operands[0],
2177 gen_rtx_ZERO_EXTEND (SImode, operands[1])));
2180 if (TARGET_SHORT_BY_BYTES && GET_CODE (operands[1]) == MEM)
2182 emit_insn (gen_movhi_bytes (operands[0], operands[1]));
2185 if (! s_register_operand (operands[1], HImode))
2186 operands[1] = copy_to_mode_reg (HImode, operands[1]);
2187 operands[1] = gen_lowpart (SImode, operands[1]);
2188 operands[2] = gen_reg_rtx (SImode);
2191 (define_insn "*zero_extendhisi_insn"
2192 [(set (match_operand:SI 0 "s_register_operand" "=r")
2193 (zero_extend:SI (match_operand:HI 1 "memory_operand" "m")))]
2196 [(set_attr "type" "load")])
2199 [(set (match_operand:SI 0 "s_register_operand" "")
2200 (zero_extend:SI (match_operand:HI 1 "alignable_memory_operand" "")))
2201 (clobber (match_operand:SI 2 "s_register_operand" ""))]
2203 [(set (match_dup 2) (match_dup 1))
2204 (set (match_dup 0) (lshiftrt:SI (match_dup 2) (const_int 16)))]
2207 if ((operands[1] = gen_rotated_half_load (operands[1])) == NULL)
2212 [(set (match_operand:SI 0 "s_register_operand" "")
2213 (match_operator:SI 3 "shiftable_operator"
2214 [(zero_extend:SI (match_operand:HI 1 "alignable_memory_operand" ""))
2215 (match_operand:SI 4 "s_register_operand" "")]))
2216 (clobber (match_operand:SI 2 "s_register_operand" ""))]
2218 [(set (match_dup 2) (match_dup 1))
2221 [(lshiftrt:SI (match_dup 2) (const_int 16)) (match_dup 4)]))]
2224 if ((operands[1] = gen_rotated_half_load (operands[1])) == NULL)
2228 (define_expand "zero_extendqisi2"
2229 [(set (match_operand:SI 0 "s_register_operand" "=r,r")
2231 (match_operand:QI 1 "nonimmediate_operand" "r,m")))]
2234 if (GET_CODE (operands[1]) != MEM)
2236 emit_insn (gen_andsi3 (operands[0], gen_lowpart (SImode, operands[1]),
2242 (define_insn "*load_extendqisi"
2243 [(set (match_operand:SI 0 "s_register_operand" "=r")
2244 (zero_extend:SI (match_operand:QI 1 "memory_operand" "m")))]
2246 "ldr%?b\\t%0, %1\\t%@ zero_extendqisi2"
2247 [(set_attr "type" "load")])
2250 [(set (match_operand:SI 0 "s_register_operand" "")
2251 (zero_extend:SI (subreg:QI (match_operand:SI 1 "" "") 0)))
2252 (clobber (match_operand:SI 2 "s_register_operand" ""))]
2253 "GET_CODE (operands[1]) != MEM"
2254 [(set (match_dup 2) (match_dup 1))
2255 (set (match_dup 0) (and:SI (match_dup 2) (const_int 255)))]
2258 (define_insn "*compareqi_eq0"
2260 (compare:CC_Z (match_operand:QI 0 "s_register_operand" "r")
2264 [(set_attr "conds" "set")])
2266 (define_expand "extendhisi2"
2268 (ashift:SI (match_operand:HI 1 "nonimmediate_operand" "")
2270 (set (match_operand:SI 0 "s_register_operand" "")
2271 (ashiftrt:SI (match_dup 2)
2276 if (arm_arch4 && GET_CODE (operands[1]) == MEM)
2278 /* Note: We do not have to worry about TARGET_SHORT_BY_BYTES
2279 here because the insn below will generate an LDRH instruction
2280 rather than an LDR instruction, so we cannot get an unaligned
2282 emit_insn (gen_rtx_SET (VOIDmode, operands[0],
2283 gen_rtx_SIGN_EXTEND (SImode, operands[1])));
2287 if (TARGET_SHORT_BY_BYTES && GET_CODE (operands[1]) == MEM)
2289 emit_insn (gen_extendhisi2_mem (operands[0], operands[1]));
2292 if (! s_register_operand (operands[1], HImode))
2293 operands[1] = copy_to_mode_reg (HImode, operands[1]);
2294 operands[1] = gen_lowpart (SImode, operands[1]);
2295 operands[2] = gen_reg_rtx (SImode);
2298 (define_expand "extendhisi2_mem"
2299 [(set (match_dup 2) (zero_extend:SI (match_operand:HI 1 "" "")))
2301 (zero_extend:SI (match_dup 7)))
2302 (set (match_dup 6) (ashift:SI (match_dup 4) (const_int 24)))
2303 (set (match_operand:SI 0 "" "")
2304 (ior:SI (ashiftrt:SI (match_dup 6) (const_int 16)) (match_dup 5)))]
2309 rtx addr = copy_to_mode_reg (SImode, XEXP (operands[1], 0));
2311 mem1 = gen_rtx_MEM (QImode, addr);
2312 MEM_COPY_ATTRIBUTES (mem1, operands[1]);
2313 RTX_UNCHANGING_P (mem1) = RTX_UNCHANGING_P (operands[1]);
2314 mem2 = gen_rtx_MEM (QImode, plus_constant (addr, 1));
2315 MEM_COPY_ATTRIBUTES (mem2, operands[1]);
2316 RTX_UNCHANGING_P (mem2) = RTX_UNCHANGING_P (operands[1]);
2317 operands[0] = gen_lowpart (SImode, operands[0]);
2319 operands[2] = gen_reg_rtx (SImode);
2320 operands[3] = gen_reg_rtx (SImode);
2321 operands[6] = gen_reg_rtx (SImode);
2324 if (BYTES_BIG_ENDIAN)
2326 operands[4] = operands[2];
2327 operands[5] = operands[3];
2331 operands[4] = operands[3];
2332 operands[5] = operands[2];
2337 (define_insn "*extendhisi_insn"
2338 [(set (match_operand:SI 0 "s_register_operand" "=r")
2339 (sign_extend:SI (match_operand:HI 1 "memory_operand" "m")))]
2342 [(set_attr "type" "load")])
2345 [(set (match_operand:SI 0 "s_register_operand" "")
2346 (sign_extend:SI (match_operand:HI 1 "alignable_memory_operand" "")))
2347 (clobber (match_operand:SI 2 "s_register_operand" ""))]
2349 [(set (match_dup 2) (match_dup 1))
2350 (set (match_dup 0) (ashiftrt:SI (match_dup 2) (const_int 16)))]
2353 if ((operands[1] = gen_rotated_half_load (operands[1])) == NULL)
2358 [(set (match_operand:SI 0 "s_register_operand" "")
2359 (match_operator:SI 3 "shiftable_operator"
2360 [(sign_extend:SI (match_operand:HI 1 "alignable_memory_operand" ""))
2361 (match_operand:SI 4 "s_register_operand" "")]))
2362 (clobber (match_operand:SI 2 "s_register_operand" ""))]
2364 [(set (match_dup 2) (match_dup 1))
2367 [(ashiftrt:SI (match_dup 2) (const_int 16)) (match_dup 4)]))]
2370 if ((operands[1] = gen_rotated_half_load (operands[1])) == NULL)
2374 (define_expand "extendqihi2"
2376 (ashift:SI (match_operand:QI 1 "general_operand" "")
2378 (set (match_operand:HI 0 "s_register_operand" "")
2379 (ashiftrt:SI (match_dup 2)
2384 if (arm_arch4 && GET_CODE (operands[1]) == MEM)
2386 emit_insn (gen_rtx_SET (VOIDmode,
2388 gen_rtx_SIGN_EXTEND (HImode, operands[1])));
2391 if (! s_register_operand (operands[1], QImode))
2392 operands[1] = copy_to_mode_reg (QImode, operands[1]);
2393 operands[0] = gen_lowpart (SImode, operands[0]);
2394 operands[1] = gen_lowpart (SImode, operands[1]);
2395 operands[2] = gen_reg_rtx (SImode);
2398 ; Rather than restricting all byte accesses to memory addresses that ldrsb
2399 ; can handle, we fix up the ones that ldrsb can't grok with a split.
2400 (define_insn "*extendqihi_insn"
2401 [(set (match_operand:HI 0 "s_register_operand" "=r")
2402 (sign_extend:HI (match_operand:QI 1 "memory_operand" "m")))]
2405 /* If the address is invalid, this will split the instruction into two. */
2406 if (bad_signed_byte_operand (operands[1], QImode))
2408 return \"ldr%?sb\\t%0, %1\";
2410 [(set_attr "type" "load")
2411 (set_attr "length" "8")])
2414 [(set (match_operand:HI 0 "s_register_operand" "")
2415 (sign_extend:HI (match_operand:QI 1 "bad_signed_byte_operand" "")))]
2416 "arm_arch4 && reload_completed"
2417 [(set (match_dup 3) (match_dup 1))
2418 (set (match_dup 0) (sign_extend:HI (match_dup 2)))]
2421 HOST_WIDE_INT offset;
2423 operands[3] = gen_rtx_REG (SImode, REGNO (operands[0]));
2424 operands[2] = gen_rtx_MEM (QImode, operands[3]);
2425 MEM_COPY_ATTRIBUTES (operands[2], operands[1]);
2426 RTX_UNCHANGING_P (operands[2]) = RTX_UNCHANGING_P (operands[1]);
2427 operands[1] = XEXP (operands[1], 0);
2428 if (GET_CODE (operands[1]) == PLUS
2429 && GET_CODE (XEXP (operands[1], 1)) == CONST_INT
2430 && ! (const_ok_for_arm (offset = INTVAL (XEXP (operands[1], 1)))
2431 || const_ok_for_arm (-offset)))
2433 HOST_WIDE_INT low = (offset > 0
2434 ? (offset & 0xff) : -((-offset) & 0xff));
2435 XEXP (operands[2], 0) = plus_constant (operands[3], low);
2436 operands[1] = plus_constant (XEXP (operands[1], 0), offset - low);
2438 /* Ensure the sum is in correct canonical form */
2439 else if (GET_CODE (operands[1]) == PLUS
2440 && GET_CODE (XEXP (operands[1], 1)) != CONST_INT
2441 && ! s_register_operand (XEXP (operands[1], 1), VOIDmode))
2442 operands[1] = gen_rtx_PLUS (GET_MODE (operands[1]),
2443 XEXP (operands[1], 1),
2444 XEXP (operands[1], 0));
2448 (define_expand "extendqisi2"
2450 (ashift:SI (match_operand:QI 1 "general_operand" "")
2452 (set (match_operand:SI 0 "s_register_operand" "")
2453 (ashiftrt:SI (match_dup 2)
2458 if (arm_arch4 && GET_CODE (operands[1]) == MEM)
2460 emit_insn (gen_rtx_SET (VOIDmode,
2462 gen_rtx_SIGN_EXTEND (SImode, operands[1])));
2465 if (! s_register_operand (operands[1], QImode))
2466 operands[1] = copy_to_mode_reg (QImode, operands[1]);
2467 operands[1] = gen_lowpart (SImode, operands[1]);
2468 operands[2] = gen_reg_rtx (SImode);
2471 ; Rather than restricting all byte accesses to memory addresses that ldrsb
2472 ; can handle, we fix up the ones that ldrsb can't grok with a split.
2473 (define_insn "*extendqisi_insn"
2474 [(set (match_operand:SI 0 "s_register_operand" "=r")
2475 (sign_extend:SI (match_operand:QI 1 "memory_operand" "m")))]
2478 /* If the address is invalid, this will split the instruction into two. */
2479 if (bad_signed_byte_operand (operands[1], QImode))
2481 return \"ldr%?sb\\t%0, %1\";
2483 [(set_attr "type" "load")
2484 (set_attr "length" "8")])
2487 [(set (match_operand:SI 0 "s_register_operand" "")
2488 (sign_extend:SI (match_operand:QI 1 "bad_signed_byte_operand" "")))]
2489 "arm_arch4 && reload_completed"
2490 [(set (match_dup 0) (match_dup 1))
2491 (set (match_dup 0) (sign_extend:SI (match_dup 2)))]
2494 HOST_WIDE_INT offset;
2496 operands[2] = gen_rtx_MEM (QImode, operands[0]);
2497 MEM_COPY_ATTRIBUTES (operands[2], operands[1]);
2498 RTX_UNCHANGING_P (operands[2]) = RTX_UNCHANGING_P (operands[1]);
2499 operands[1] = XEXP (operands[1], 0);
2500 if (GET_CODE (operands[1]) == PLUS
2501 && GET_CODE (XEXP (operands[1], 1)) == CONST_INT
2502 && ! (const_ok_for_arm (offset = INTVAL (XEXP (operands[1], 1)))
2503 || const_ok_for_arm (-offset)))
2505 HOST_WIDE_INT low = (offset > 0
2506 ? (offset & 0xff) : -((-offset) & 0xff));
2507 XEXP (operands[2], 0) = plus_constant (operands[0], low);
2508 operands[1] = plus_constant (XEXP (operands[1], 0), offset - low);
2510 /* Ensure the sum is in correct canonical form */
2511 else if (GET_CODE (operands[1]) == PLUS
2512 && GET_CODE (XEXP (operands[1], 1)) != CONST_INT
2513 && ! s_register_operand (XEXP (operands[1], 1), VOIDmode))
2514 operands[1] = gen_rtx_PLUS (GET_MODE (operands[1]),
2515 XEXP (operands[1], 1),
2516 XEXP (operands[1], 0));
2520 (define_insn "extendsfdf2"
2521 [(set (match_operand:DF 0 "s_register_operand" "=f")
2522 (float_extend:DF (match_operand:SF 1 "s_register_operand" "f")))]
2525 [(set_attr "type" "ffarith")])
2527 (define_insn "extendsfxf2"
2528 [(set (match_operand:XF 0 "s_register_operand" "=f")
2529 (float_extend:XF (match_operand:SF 1 "s_register_operand" "f")))]
2530 "ENABLE_XF_PATTERNS && TARGET_HARD_FLOAT"
2532 [(set_attr "type" "ffarith")])
2534 (define_insn "extenddfxf2"
2535 [(set (match_operand:XF 0 "s_register_operand" "=f")
2536 (float_extend:XF (match_operand:DF 1 "s_register_operand" "f")))]
2537 "ENABLE_XF_PATTERNS && TARGET_HARD_FLOAT"
2539 [(set_attr "type" "ffarith")])
2542 ;; Move insns (including loads and stores)
2544 ;; XXX Just some ideas about movti.
2545 ;; I don't think these are a good idea on the arm, there just aren't enough
2547 ;;(define_expand "loadti"
2548 ;; [(set (match_operand:TI 0 "s_register_operand" "")
2549 ;; (mem:TI (match_operand:SI 1 "address_operand" "")))]
2552 ;;(define_expand "storeti"
2553 ;; [(set (mem:TI (match_operand:TI 0 "address_operand" ""))
2554 ;; (match_operand:TI 1 "s_register_operand" ""))]
2557 ;;(define_expand "movti"
2558 ;; [(set (match_operand:TI 0 "general_operand" "")
2559 ;; (match_operand:TI 1 "general_operand" ""))]
2565 ;; if (GET_CODE (operands[0]) == MEM && GET_CODE (operands[1]) == MEM)
2566 ;; operands[1] = copy_to_reg (operands[1]);
2567 ;; if (GET_CODE (operands[0]) == MEM)
2568 ;; insn = gen_storeti (XEXP (operands[0], 0), operands[1]);
2569 ;; else if (GET_CODE (operands[1]) == MEM)
2570 ;; insn = gen_loadti (operands[0], XEXP (operands[1], 0));
2574 ;; emit_insn (insn);
2578 ;; Recognise garbage generated above.
2581 ;; [(set (match_operand:TI 0 "general_operand" "=r,r,r,<,>,m")
2582 ;; (match_operand:TI 1 "general_operand" "<,>,m,r,r,r"))]
2586 ;; register mem = (which_alternative < 3);
2587 ;; register char *template;
2589 ;; operands[mem] = XEXP (operands[mem], 0);
2590 ;; switch (which_alternative)
2592 ;; case 0: template = \"ldmdb\\t%1!, %M0\"; break;
2593 ;; case 1: template = \"ldmia\\t%1!, %M0\"; break;
2594 ;; case 2: template = \"ldmia\\t%1, %M0\"; break;
2595 ;; case 3: template = \"stmdb\\t%0!, %M1\"; break;
2596 ;; case 4: template = \"stmia\\t%0!, %M1\"; break;
2597 ;; case 5: template = \"stmia\\t%0, %M1\"; break;
2599 ;; output_asm_insn (template, operands);
2604 (define_insn "movdi"
2605 [(set (match_operand:DI 0 "di_operand" "=r,r,o<>")
2606 (match_operand:DI 1 "di_operand" "rIK,mi,r"))]
2609 return (output_move_double (operands));
2611 [(set_attr "length" "8,8,8")
2612 (set_attr "type" "*,load,store2")])
2614 (define_expand "movsi"
2615 [(set (match_operand:SI 0 "general_operand" "")
2616 (match_operand:SI 1 "general_operand" ""))]
2619 /* Everything except mem = const or mem = mem can be done easily */
2620 if (GET_CODE (operands[0]) == MEM)
2621 operands[1] = force_reg (SImode, operands[1]);
2622 if (GET_CODE (operands[1]) == CONST_INT
2623 && !(const_ok_for_arm (INTVAL (operands[1]))
2624 || const_ok_for_arm (~INTVAL (operands[1]))))
2626 arm_split_constant (SET, SImode, INTVAL (operands[1]), operands[0],
2628 (reload_in_progress || reload_completed ? 0
2629 : preserve_subexpressions_p ()));
2632 if (CONSTANT_P (operands[1]) && flag_pic)
2633 operands[1] = legitimize_pic_address (operands[1], SImode,
2634 ((reload_in_progress
2635 || reload_completed)
2636 ? operands[0] : 0));
2639 (define_insn "*movsi_insn"
2640 [(set (match_operand:SI 0 "general_operand" "=r,r,r,m")
2641 (match_operand:SI 1 "general_operand" "rI,K,mi,r"))]
2642 "register_operand (operands[0], SImode)
2643 || register_operand (operands[1], SImode)"
2649 [(set_attr "type" "*,*,load,store1")])
2652 [(set (match_operand:SI 0 "s_register_operand" "")
2653 (match_operand:SI 1 "const_int_operand" ""))]
2654 "! (const_ok_for_arm (INTVAL (operands[1]))
2655 || const_ok_for_arm (~INTVAL (operands[1])))"
2656 [(clobber (const_int 0))]
2658 arm_split_constant (SET, SImode, INTVAL (operands[1]), operands[0],
2663 (define_expand "movaddr"
2664 [(set (match_operand:SI 0 "s_register_operand" "")
2665 (match_operand:DI 1 "address_operand" ""))]
2669 (define_insn "*movaddr_insn"
2670 [(set (match_operand:SI 0 "s_register_operand" "=r")
2671 (match_operand:DI 1 "address_operand" "p"))]
2673 && (GET_CODE (operands[1]) == LABEL_REF
2674 || (GET_CODE (operands[1]) == CONST
2675 && GET_CODE (XEXP (operands[1], 0)) == PLUS
2676 && GET_CODE (XEXP (XEXP (operands[1], 0), 0)) == LABEL_REF
2677 && GET_CODE (XEXP (XEXP (operands[1], 0), 1)) == CONST_INT))"
2680 /* When generating pic, we need to load the symbol offset into a register.
2681 So that the optimizer does not confuse this with a normal symbol load
2682 we use an unspec. The offset will be loaded from a constant pool entry,
2683 since that is the only type of relocation we can use. */
2685 (define_insn "pic_load_addr"
2686 [(set (match_operand:SI 0 "s_register_operand" "=r")
2687 (unspec:SI [(match_operand 1 "" "")] 3))]
2690 [(set_attr "type" "load")])
2692 ;; This variant is used for AOF assembly, since it needs to mention the
2693 ;; pic register in the rtl.
2694 (define_expand "pic_load_addr_based"
2695 [(set (match_operand:SI 0 "s_register_operand" "=r")
2696 (unspec:SI [(match_operand 1 "" "") (match_dup 2)] 3))]
2698 "operands[2] = pic_offset_table_rtx;")
2700 (define_insn "*pic_load_addr_based_insn"
2701 [(set (match_operand:SI 0 "s_register_operand" "=r")
2702 (unspec:SI [(match_operand 1 "" "")
2703 (match_operand 2 "s_register_operand" "r")] 3))]
2704 "flag_pic && operands[2] == pic_offset_table_rtx"
2706 #ifdef AOF_ASSEMBLER
2707 operands[1] = aof_pic_entry (operands[1]);
2709 output_asm_insn (\"ldr%?\\t%0, %a1\", operands);
2711 " [(set_attr "type" "load")])
2713 (define_insn "pic_add_dot_plus_eight"
2714 [(set (match_operand 0 "register_operand" "+r")
2715 (plus:SI (match_dup 0) (const (plus:SI (pc) (const_int 8)))))
2716 (use (label_ref (match_operand 1 "" "")))]
2719 ASM_OUTPUT_INTERNAL_LABEL (asm_out_file, \"L\",
2720 CODE_LABEL_NUMBER (operands[1]));
2721 return \"add%?\\t%0, %|pc, %0\";
2724 ;; If copying one reg to another we can set the condition codes according to
2725 ;; its value. Such a move is common after a return from subroutine and the
2726 ;; result is being tested against zero.
2728 (define_insn "*movsi_compare0"
2729 [(set (reg:CC 24) (compare:CC (match_operand:SI 1 "s_register_operand" "0,r")
2731 (set (match_operand:SI 0 "s_register_operand" "=r,r") (match_dup 1))]
2735 sub%?s\\t%0, %1, #0"
2736 [(set_attr "conds" "set")])
2738 ;; Subroutine to store a half word from a register into memory.
2739 ;; Operand 0 is the source register (HImode)
2740 ;; Operand 1 is the destination address in a register (SImode)
2742 ;; In both this routine and the next, we must be careful not to spill
2743 ;; a memory address of reg+large_const into a separate PLUS insn, since this
2744 ;; can generate unrecognizable rtl.
2746 (define_expand "storehi"
2747 [;; store the low byte
2748 (set (match_operand 1 "" "") (match_dup 3))
2749 ;; extract the high byte
2751 (ashiftrt:SI (match_operand 0 "" "") (const_int 8)))
2752 ;; store the high byte
2753 (set (match_dup 4) (subreg:QI (match_dup 2) 0))] ;explicit subreg safe
2757 rtx addr = XEXP (operands[1], 0);
2758 enum rtx_code code = GET_CODE (addr);
2760 if ((code == PLUS && GET_CODE (XEXP (addr, 1)) != CONST_INT)
2762 addr = force_reg (SImode, addr);
2764 operands[4] = change_address (operands[1], QImode, plus_constant (addr, 1));
2765 operands[1] = change_address (operands[1], QImode, NULL_RTX);
2766 operands[3] = gen_lowpart (QImode, operands[0]);
2767 operands[0] = gen_lowpart (SImode, operands[0]);
2768 operands[2] = gen_reg_rtx (SImode);
2772 (define_expand "storehi_bigend"
2773 [(set (match_dup 4) (match_dup 3))
2775 (ashiftrt:SI (match_operand 0 "" "") (const_int 8)))
2776 (set (match_operand 1 "" "") (subreg:QI (match_dup 2) 0))]
2780 rtx addr = XEXP (operands[1], 0);
2781 enum rtx_code code = GET_CODE (addr);
2783 if ((code == PLUS && GET_CODE (XEXP (addr, 1)) != CONST_INT)
2785 addr = force_reg (SImode, addr);
2787 operands[4] = change_address (operands[1], QImode, plus_constant (addr, 1));
2788 operands[1] = change_address (operands[1], QImode, NULL_RTX);
2789 operands[3] = gen_lowpart (QImode, operands[0]);
2790 operands[0] = gen_lowpart (SImode, operands[0]);
2791 operands[2] = gen_reg_rtx (SImode);
2795 ;; Subroutine to store a half word integer constant into memory.
2796 (define_expand "storeinthi"
2797 [(set (match_operand 0 "" "")
2798 (subreg:QI (match_operand 1 "" "") 0))
2799 (set (match_dup 3) (subreg:QI (match_dup 2) 0))]
2803 HOST_WIDE_INT value = INTVAL (operands[1]);
2804 rtx addr = XEXP (operands[0], 0);
2805 enum rtx_code code = GET_CODE (addr);
2807 if ((code == PLUS && GET_CODE (XEXP (addr, 1)) != CONST_INT)
2809 addr = force_reg (SImode, addr);
2811 operands[1] = gen_reg_rtx (SImode);
2812 if (BYTES_BIG_ENDIAN)
2814 emit_insn (gen_movsi (operands[1], GEN_INT ((value >> 8) & 255)));
2815 if ((value & 255) == ((value >> 8) & 255))
2816 operands[2] = operands[1];
2819 operands[2] = gen_reg_rtx (SImode);
2820 emit_insn (gen_movsi (operands[2], GEN_INT (value & 255)));
2825 emit_insn (gen_movsi (operands[1], GEN_INT (value & 255)));
2826 if ((value & 255) == ((value >> 8) & 255))
2827 operands[2] = operands[1];
2830 operands[2] = gen_reg_rtx (SImode);
2831 emit_insn (gen_movsi (operands[2], GEN_INT ((value >> 8) & 255)));
2835 operands[3] = change_address (operands[0], QImode, plus_constant (addr, 1));
2836 operands[0] = change_address (operands[0], QImode, NULL_RTX);
2840 (define_expand "storehi_single_op"
2841 [(set (match_operand:HI 0 "memory_operand" "")
2842 (match_operand:HI 1 "general_operand" ""))]
2845 if (! s_register_operand (operands[1], HImode))
2846 operands[1] = copy_to_mode_reg (HImode, operands[1]);
2849 (define_expand "movhi"
2850 [(set (match_operand:HI 0 "general_operand" "")
2851 (match_operand:HI 1 "general_operand" ""))]
2855 if (! (reload_in_progress || reload_completed))
2857 if (GET_CODE (operands[0]) == MEM)
2861 emit_insn (gen_storehi_single_op (operands[0], operands[1]));
2864 if (GET_CODE (operands[1]) == CONST_INT)
2865 emit_insn (gen_storeinthi (operands[0], operands[1]));
2868 if (GET_CODE (operands[1]) == MEM)
2869 operands[1] = force_reg (HImode, operands[1]);
2870 if (BYTES_BIG_ENDIAN)
2871 emit_insn (gen_storehi_bigend (operands[1], operands[0]));
2873 emit_insn (gen_storehi (operands[1], operands[0]));
2877 /* Sign extend a constant, and keep it in an SImode reg. */
2878 else if (GET_CODE (operands[1]) == CONST_INT)
2880 rtx reg = gen_reg_rtx (SImode);
2881 HOST_WIDE_INT val = INTVAL (operands[1]) & 0xffff;
2883 /* If the constant is already valid, leave it alone. */
2884 if (! const_ok_for_arm (val))
2886 /* If setting all the top bits will make the constant
2887 loadable in a single instruction, then set them.
2888 Otherwise, sign extend the number. */
2890 if (const_ok_for_arm (~ (val | ~0xffff)))
2892 else if (val & 0x8000)
2896 emit_insn (gen_movsi (reg, GEN_INT (val)));
2897 operands[1] = gen_rtx_SUBREG (HImode, reg, 0);
2899 else if (! arm_arch4)
2901 /* Note: We do not have to worry about TARGET_SHORT_BY_BYTES
2902 for v4 and up architectures because LDRH instructions will
2903 be used to access the HI values, and these cannot generate
2904 unaligned word access faults in the MMU. */
2905 if (GET_CODE (operands[1]) == MEM)
2907 if (TARGET_SHORT_BY_BYTES)
2910 rtx offset = const0_rtx;
2911 rtx reg = gen_reg_rtx (SImode);
2913 if ((GET_CODE (base = XEXP (operands[1], 0)) == REG
2914 || (GET_CODE (base) == PLUS
2915 && GET_CODE (offset = XEXP (base, 1)) == CONST_INT
2916 && GET_CODE (base = XEXP (base, 0)) == REG))
2917 && REGNO_POINTER_ALIGN (REGNO (base)) >= 4)
2919 HOST_WIDE_INT new_offset = INTVAL (offset) & ~2;
2922 new = gen_rtx_MEM (SImode,
2923 plus_constant (base, new_offset));
2924 MEM_COPY_ATTRIBUTES (new, operands[1]);
2925 RTX_UNCHANGING_P (new) = RTX_UNCHANGING_P (operands[1]);
2926 emit_insn (gen_movsi (reg, new));
2927 if (((INTVAL (offset) & 2) != 0)
2928 ^ (BYTES_BIG_ENDIAN ? 1 : 0))
2930 rtx reg2 = gen_reg_rtx (SImode);
2932 emit_insn (gen_lshrsi3 (reg2, reg, GEN_INT (16)));
2937 emit_insn (gen_movhi_bytes (reg, operands[1]));
2939 operands[1] = gen_lowpart (HImode, reg);
2941 else if (BYTES_BIG_ENDIAN)
2944 rtx offset = const0_rtx;
2946 if ((GET_CODE (base = XEXP (operands[1], 0)) == REG
2947 || (GET_CODE (base) == PLUS
2948 && GET_CODE (offset = XEXP (base, 1)) == CONST_INT
2949 && GET_CODE (base = XEXP (base, 0)) == REG))
2950 && REGNO_POINTER_ALIGN (REGNO (base)) >= 4)
2952 rtx reg = gen_reg_rtx (SImode);
2955 if ((INTVAL (offset) & 2) == 2)
2957 HOST_WIDE_INT new_offset = INTVAL (offset) ^ 2;
2958 new = gen_rtx_MEM (SImode,
2959 plus_constant (base, new_offset));
2960 MEM_COPY_ATTRIBUTES (new, operands[1]);
2961 RTX_UNCHANGING_P (new) = RTX_UNCHANGING_P (operands[1]);
2962 emit_insn (gen_movsi (reg, new));
2966 new = gen_rtx_MEM (SImode, XEXP (operands[1], 0));
2967 MEM_COPY_ATTRIBUTES (new, operands[1]);
2968 RTX_UNCHANGING_P (new)
2969 = RTX_UNCHANGING_P (operands[1]);
2970 emit_insn (gen_rotated_loadsi (reg, new));
2973 operands[1] = gen_lowpart (HImode, reg);
2977 emit_insn (gen_movhi_bigend (operands[0], operands[1]));
2984 /* Handle loading a large integer during reload */
2985 else if (GET_CODE (operands[1]) == CONST_INT
2986 && ! const_ok_for_arm (INTVAL (operands[1]))
2987 && ! const_ok_for_arm (~INTVAL (operands[1])))
2989 /* Writing a constant to memory needs a scratch, which should
2990 be handled with SECONDARY_RELOADs. */
2991 if (GET_CODE (operands[0]) != REG)
2994 operands[0] = gen_rtx_SUBREG (SImode, operands[0], 0);
2995 emit_insn (gen_movsi (operands[0], operands[1]));
3001 (define_insn "rotated_loadsi"
3002 [(set (match_operand:SI 0 "s_register_operand" "=r")
3003 (rotate:SI (match_operand:SI 1 "offsettable_memory_operand" "o")
3005 "! TARGET_SHORT_BY_BYTES"
3010 ops[0] = operands[0];
3011 ops[1] = gen_rtx_MEM (SImode, plus_constant (XEXP (operands[1], 0), 2));
3012 output_asm_insn (\"ldr%?\\t%0, %1\\t%@ load-rotate\", ops);
3015 [(set_attr "type" "load")])
3017 (define_expand "movhi_bytes"
3018 [(set (match_dup 2) (zero_extend:SI (match_operand:HI 1 "" "")))
3020 (zero_extend:SI (match_dup 6)))
3021 (set (match_operand:SI 0 "" "")
3022 (ior:SI (ashift:SI (match_dup 4) (const_int 8)) (match_dup 5)))]
3027 rtx addr = copy_to_mode_reg (SImode, XEXP (operands[1], 0));
3029 mem1 = gen_rtx_MEM (QImode, addr);
3030 MEM_COPY_ATTRIBUTES (mem1, operands[1]);
3031 RTX_UNCHANGING_P (mem1) = RTX_UNCHANGING_P (operands[1]);
3032 mem2 = gen_rtx_MEM (QImode, plus_constant (addr, 1));
3033 MEM_COPY_ATTRIBUTES (mem2, operands[1]);
3034 RTX_UNCHANGING_P (mem2) = RTX_UNCHANGING_P (operands[1]);
3035 operands[0] = gen_lowpart (SImode, operands[0]);
3037 operands[2] = gen_reg_rtx (SImode);
3038 operands[3] = gen_reg_rtx (SImode);
3041 if (BYTES_BIG_ENDIAN)
3043 operands[4] = operands[2];
3044 operands[5] = operands[3];
3048 operands[4] = operands[3];
3049 operands[5] = operands[2];
3054 (define_expand "movhi_bigend"
3056 (rotate:SI (subreg:SI (match_operand:HI 1 "memory_operand" "") 0)
3059 (ashiftrt:SI (match_dup 2) (const_int 16)))
3060 (set (match_operand:HI 0 "s_register_operand" "")
3061 (subreg:HI (match_dup 3) 0))]
3064 operands[2] = gen_reg_rtx (SImode);
3065 operands[3] = gen_reg_rtx (SImode);
3068 ;; Pattern to recognise insn generated default case above
3069 (define_insn "*movhi_insn_arch4"
3070 [(set (match_operand:HI 0 "general_operand" "=r,r,r,m")
3071 (match_operand:HI 1 "general_operand" "rI,K,m,r"))]
3073 && (GET_CODE (operands[1]) != CONST_INT
3074 || const_ok_for_arm (INTVAL (operands[1]))
3075 || const_ok_for_arm (~INTVAL (operands[1])))"
3077 mov%?\\t%0, %1\\t%@ movhi
3078 mvn%?\\t%0, #%B1\\t%@ movhi
3079 ldr%?h\\t%0, %1\\t%@ movhi
3080 str%?h\\t%1, %0\\t%@ movhi"
3081 [(set_attr "type" "*,*,load,store1")])
3083 (define_insn "*movhi_insn_littleend"
3084 [(set (match_operand:HI 0 "s_register_operand" "=r,r,r")
3085 (match_operand:HI 1 "general_operand" "rI,K,m"))]
3087 && ! BYTES_BIG_ENDIAN
3088 && ! TARGET_SHORT_BY_BYTES
3089 && (GET_CODE (operands[1]) != CONST_INT
3090 || const_ok_for_arm (INTVAL (operands[1]))
3091 || const_ok_for_arm (~INTVAL (operands[1])))"
3093 mov%?\\t%0, %1\\t%@ movhi
3094 mvn%?\\t%0, #%B1\\t%@ movhi
3095 ldr%?\\t%0, %1\\t%@ movhi"
3096 [(set_attr "type" "*,*,load")])
3098 (define_insn "*movhi_insn_bigend"
3099 [(set (match_operand:HI 0 "s_register_operand" "=r,r,r")
3100 (match_operand:HI 1 "general_operand" "rI,K,m"))]
3103 && ! TARGET_SHORT_BY_BYTES
3104 && (GET_CODE (operands[1]) != CONST_INT
3105 || const_ok_for_arm (INTVAL (operands[1]))
3106 || const_ok_for_arm (~INTVAL (operands[1])))"
3108 mov%?\\t%0, %1\\t%@ movhi
3109 mvn%?\\t%0, #%B1\\t%@ movhi
3110 ldr%?\\t%0, %1\\t%@ movhi_bigend\;mov%?\\t%0, %0, asr #16"
3111 [(set_attr "type" "*,*,load")
3112 (set_attr "length" "4,4,8")])
3114 (define_insn "*loadhi_si_bigend"
3115 [(set (match_operand:SI 0 "s_register_operand" "=r")
3116 (rotate:SI (subreg:SI (match_operand:HI 1 "memory_operand" "m") 0)
3119 && ! TARGET_SHORT_BY_BYTES"
3120 "ldr%?\\t%0, %1\\t%@ movhi_bigend"
3121 [(set_attr "type" "load")])
3123 (define_insn "*movhi_bytes"
3124 [(set (match_operand:HI 0 "s_register_operand" "=r,r")
3125 (match_operand:HI 1 "arm_rhs_operand" "rI,K"))]
3126 "TARGET_SHORT_BY_BYTES"
3128 mov%?\\t%0, %1\\t%@ movhi
3129 mvn%?\\t%0, #%B1\\t%@ movhi")
3131 ;; We use a DImode scratch because we may occasionally need an additional
3132 ;; temporary if the address isn't offsettable -- push_reload doesn't seem
3133 ;; to take any notice of the "o" constraints on reload_memory_operand operand.
3134 (define_expand "reload_outhi"
3135 [(parallel [(match_operand:HI 0 "reload_memory_operand" "=o")
3136 (match_operand:HI 1 "s_register_operand" "r")
3137 (match_operand:DI 2 "s_register_operand" "=&r")])]
3140 arm_reload_out_hi (operands);
3144 (define_expand "reload_inhi"
3145 [(parallel [(match_operand:HI 0 "s_register_operand" "=r")
3146 (match_operand:HI 1 "reload_memory_operand" "o")
3147 (match_operand:DI 2 "s_register_operand" "=&r")])]
3148 "TARGET_SHORT_BY_BYTES"
3150 arm_reload_in_hi (operands);
3154 (define_expand "movqi"
3155 [(set (match_operand:QI 0 "general_operand" "")
3156 (match_operand:QI 1 "general_operand" ""))]
3159 /* Everything except mem = const or mem = mem can be done easily */
3161 if (!(reload_in_progress || reload_completed))
3163 if (GET_CODE (operands[1]) == CONST_INT)
3165 rtx reg = gen_reg_rtx (SImode);
3167 emit_insn (gen_movsi (reg, operands[1]));
3168 operands[1] = gen_rtx_SUBREG (QImode, reg, 0);
3170 if (GET_CODE (operands[0]) == MEM)
3171 operands[1] = force_reg (QImode, operands[1]);
3176 (define_insn "*movqi_insn"
3177 [(set (match_operand:QI 0 "general_operand" "=r,r,r,m")
3178 (match_operand:QI 1 "general_operand" "rI,K,m,r"))]
3179 "register_operand (operands[0], QImode)
3180 || register_operand (operands[1], QImode)"
3186 [(set_attr "type" "*,*,load,store1")])
3188 (define_expand "movsf"
3189 [(set (match_operand:SF 0 "general_operand" "")
3190 (match_operand:SF 1 "general_operand" ""))]
3193 if (GET_CODE (operands[0]) == MEM)
3194 operands[1] = force_reg (SFmode, operands[1]);
3197 (define_insn "*movsf_hard_insn"
3198 [(set (match_operand:SF 0 "general_operand" "=f,f,f,m,f,r,r,r,m")
3199 (match_operand:SF 1 "general_operand" "fG,H,mE,f,r,f,r,mE,r"))]
3201 && (GET_CODE (operands[0]) != MEM || register_operand (operands[1], SFmode))"
3207 str%?\\t%1, [%|sp, #-4]!\;ldf%?s\\t%0, [%|sp], #4
3208 stf%?s\\t%1, [%|sp, #-4]!\;ldr%?\\t%0, [%|sp], #4
3210 ldr%?\\t%0, %1\\t%@ float
3211 str%?\\t%1, %0\\t%@ float"
3212 [(set_attr "length" "4,4,4,4,8,8,4,4,4")
3214 "ffarith,ffarith,f_load,f_store,r_mem_f,f_mem_r,*,load,store1")])
3216 ;; Exactly the same as above, except that all `f' cases are deleted.
3217 ;; This is necessary to prevent reload from ever trying to use a `f' reg
3218 ;; when -msoft-float.
3220 (define_insn "*movsf_soft_insn"
3221 [(set (match_operand:SF 0 "general_operand" "=r,r,m")
3222 (match_operand:SF 1 "general_operand" "r,mE,r"))]
3224 && (GET_CODE (operands[0]) != MEM || register_operand (operands[1], SFmode))"
3227 ldr%?\\t%0, %1\\t%@ float
3228 str%?\\t%1, %0\\t%@ float"
3229 [(set_attr "length" "4,4,4")
3230 (set_attr "type" "*,load,store1")])
3232 (define_expand "movdf"
3233 [(set (match_operand:DF 0 "general_operand" "")
3234 (match_operand:DF 1 "general_operand" ""))]
3237 if (GET_CODE (operands[0]) == MEM)
3238 operands[1] = force_reg (DFmode, operands[1]);
3241 ;; Reloading a df mode value stored in integer regs to memory can require a
3243 (define_expand "reload_outdf"
3244 [(match_operand:DF 0 "reload_memory_operand" "=o")
3245 (match_operand:DF 1 "s_register_operand" "r")
3246 (match_operand:SI 2 "s_register_operand" "=&r")]
3250 enum rtx_code code = GET_CODE (XEXP (operands[0], 0));
3253 operands[2] = XEXP (operands[0], 0);
3254 else if (code == POST_INC || code == PRE_DEC)
3256 operands[0] = gen_rtx_SUBREG (DImode, operands[0], 0);
3257 operands[1] = gen_rtx_SUBREG (DImode, operands[1], 0);
3258 emit_insn (gen_movdi (operands[0], operands[1]));
3261 else if (code == PRE_INC)
3263 rtx reg = XEXP (XEXP (operands[0], 0), 0);
3264 emit_insn (gen_addsi3 (reg, reg, GEN_INT (8)));
3267 else if (code == POST_DEC)
3268 operands[2] = XEXP (XEXP (operands[0], 0), 0);
3270 emit_insn (gen_addsi3 (operands[2], XEXP (XEXP (operands[0], 0), 0),
3271 XEXP (XEXP (operands[0], 0), 1)));
3273 emit_insn (gen_rtx_SET (VOIDmode, gen_rtx_MEM (DFmode, operands[2]),
3276 if (code == POST_DEC)
3277 emit_insn (gen_addsi3 (operands[2], operands[2], GEN_INT (-8)));
3283 (define_insn "*movdf_hard_insn"
3284 [(set (match_operand:DF 0 "general_operand" "=r,Q,r,m,r,f,f,f,m,!f,!r")
3285 (match_operand:DF 1 "general_operand" "Q,r,r,r,mF,fG,H,mF,f,r,f"))]
3287 && (GET_CODE (operands[0]) != MEM
3288 || register_operand (operands[1], DFmode))"
3291 switch (which_alternative)
3294 case 0: return \"ldm%?ia\\t%m1, %M0\\t%@ double\";
3295 case 1: return \"stm%?ia\\t%m0, %M1\\t%@ double\";
3296 case 2: case 3: case 4: return output_move_double (operands);
3297 case 5: return \"mvf%?d\\t%0, %1\";
3298 case 6: return \"mnf%?d\\t%0, #%N1\";
3299 case 7: return \"ldf%?d\\t%0, %1\";
3300 case 8: return \"stf%?d\\t%1, %0\";
3301 case 9: return output_mov_double_fpu_from_arm (operands);
3302 case 10: return output_mov_double_arm_from_fpu (operands);
3306 [(set_attr "length" "4,4,8,8,8,4,4,4,4,8,8")
3308 "load,store2,*,store2,load,ffarith,ffarith,f_load,f_store,r_mem_f,f_mem_r")])
3310 ;; Software floating point version. This is essentially the same as movdi.
3311 ;; Do not use `f' as a constraint to prevent reload from ever trying to use
3314 (define_insn "*movdf_soft_insn"
3315 [(set (match_operand:DF 0 "soft_df_operand" "=r,r,m")
3316 (match_operand:DF 1 "soft_df_operand" "r,mF,r"))]
3318 "* return output_move_double (operands);"
3319 [(set_attr "length" "8,8,8")
3320 (set_attr "type" "*,load,store2")])
3322 (define_expand "movxf"
3323 [(set (match_operand:XF 0 "general_operand" "")
3324 (match_operand:XF 1 "general_operand" ""))]
3325 "ENABLE_XF_PATTERNS && TARGET_HARD_FLOAT"
3328 ;; Even when the XFmode patterns aren't enabled, we enable this after
3329 ;; reloading so that we can push floating point registers in the prologue.
3331 (define_insn "*movxf_hard_insn"
3332 [(set (match_operand:XF 0 "general_operand" "=f,f,f,m,f,r,r")
3333 (match_operand:XF 1 "general_operand" "fG,H,m,f,r,f,r"))]
3334 "TARGET_HARD_FLOAT && (ENABLE_XF_PATTERNS || reload_completed)"
3336 switch (which_alternative)
3339 case 0: return \"mvf%?e\\t%0, %1\";
3340 case 1: return \"mnf%?e\\t%0, #%N1\";
3341 case 2: return \"ldf%?e\\t%0, %1\";
3342 case 3: return \"stf%?e\\t%1, %0\";
3343 case 4: return output_mov_long_double_fpu_from_arm (operands);
3344 case 5: return output_mov_long_double_arm_from_fpu (operands);
3345 case 6: return output_mov_long_double_arm_from_arm (operands);
3348 [(set_attr "length" "4,4,4,4,8,8,12")
3349 (set_attr "type" "ffarith,ffarith,f_load,f_store,r_mem_f,f_mem_r,*")])
3352 ;; load- and store-multiple insns
3353 ;; The arm can load/store any set of registers, provided that they are in
3354 ;; ascending order; but that is beyond GCC so stick with what it knows.
3356 (define_expand "load_multiple"
3357 [(match_par_dup 3 [(set (match_operand:SI 0 "" "")
3358 (match_operand:SI 1 "" ""))
3359 (use (match_operand:SI 2 "" ""))])]
3362 /* Support only fixed point registers */
3363 if (GET_CODE (operands[2]) != CONST_INT
3364 || INTVAL (operands[2]) > 14
3365 || INTVAL (operands[2]) < 2
3366 || GET_CODE (operands[1]) != MEM
3367 || GET_CODE (operands[0]) != REG
3368 || REGNO (operands[0]) > 14
3369 || REGNO (operands[0]) + INTVAL (operands[2]) > 15)
3373 = arm_gen_load_multiple (REGNO (operands[0]), INTVAL (operands[2]),
3374 force_reg (SImode, XEXP (operands[1], 0)),
3375 TRUE, FALSE, RTX_UNCHANGING_P(operands[1]),
3376 MEM_IN_STRUCT_P(operands[1]),
3377 MEM_SCALAR_P (operands[1]));
3380 ;; Load multiple with write-back
3382 (define_insn "*ldmsi_postinc"
3383 [(match_parallel 0 "load_multiple_operation"
3384 [(set (match_operand:SI 1 "s_register_operand" "+r")
3385 (plus:SI (match_dup 1)
3386 (match_operand:SI 2 "const_int_operand" "n")))
3387 (set (match_operand:SI 3 "s_register_operand" "=r")
3388 (mem:SI (match_dup 1)))])]
3389 "(INTVAL (operands[2]) == 4 * (XVECLEN (operands[0], 0) - 2))"
3393 int count = XVECLEN (operands[0], 0);
3395 ops[0] = XEXP (SET_SRC (XVECEXP (operands[0], 0, 0)), 0);
3396 ops[1] = SET_DEST (XVECEXP (operands[0], 0, 1));
3397 ops[2] = SET_DEST (XVECEXP (operands[0], 0, count - 2));
3399 output_asm_insn (\"ldm%?ia\\t%0!, {%1-%2}\\t%@ load multiple\", ops);
3403 [(set_attr "type" "load")])
3405 ;; Ordinary load multiple
3407 (define_insn "*ldmsi"
3408 [(match_parallel 0 "load_multiple_operation"
3409 [(set (match_operand:SI 1 "s_register_operand" "=r")
3410 (mem:SI (match_operand:SI 2 "s_register_operand" "r")))])]
3415 int count = XVECLEN (operands[0], 0);
3417 ops[0] = XEXP (SET_SRC (XVECEXP (operands[0], 0, 0)), 0);
3418 ops[1] = SET_DEST (XVECEXP (operands[0], 0, 0));
3419 ops[2] = SET_DEST (XVECEXP (operands[0], 0, count - 1));
3421 output_asm_insn (\"ldm%?ia\\t%0, {%1-%2}\\t%@ load multiple\", ops);
3425 [(set_attr "type" "load")])
3427 (define_expand "store_multiple"
3428 [(match_par_dup 3 [(set (match_operand:SI 0 "" "")
3429 (match_operand:SI 1 "" ""))
3430 (use (match_operand:SI 2 "" ""))])]
3433 /* Support only fixed point registers */
3434 if (GET_CODE (operands[2]) != CONST_INT
3435 || INTVAL (operands[2]) > 14
3436 || INTVAL (operands[2]) < 2
3437 || GET_CODE (operands[1]) != REG
3438 || GET_CODE (operands[0]) != MEM
3439 || REGNO (operands[1]) > 14
3440 || REGNO (operands[1]) + INTVAL (operands[2]) > 15)
3444 = arm_gen_store_multiple (REGNO (operands[1]), INTVAL (operands[2]),
3445 force_reg (SImode, XEXP (operands[0], 0)),
3446 TRUE, FALSE, RTX_UNCHANGING_P (operands[0]),
3447 MEM_IN_STRUCT_P(operands[0]),
3448 MEM_SCALAR_P (operands[0]));
3451 ;; Store multiple with write-back
3453 (define_insn "*stmsi_postinc"
3454 [(match_parallel 0 "store_multiple_operation"
3455 [(set (match_operand:SI 1 "s_register_operand" "+r")
3456 (plus:SI (match_dup 1)
3457 (match_operand:SI 2 "const_int_operand" "n")))
3458 (set (mem:SI (match_dup 1))
3459 (match_operand:SI 3 "s_register_operand" "r"))])]
3460 "(INTVAL (operands[2]) == 4 * (XVECLEN (operands[0], 0) - 2))"
3464 int count = XVECLEN (operands[0], 0);
3466 ops[0] = XEXP (SET_SRC (XVECEXP (operands[0], 0, 0)), 0);
3467 ops[1] = SET_SRC (XVECEXP (operands[0], 0, 1));
3468 ops[2] = SET_SRC (XVECEXP (operands[0], 0, count - 2));
3470 output_asm_insn (\"stm%?ia\\t%0!, {%1-%2}\\t%@ str multiple\", ops);
3475 (cond [(eq (symbol_ref "XVECLEN (operands[0],0)") (const_int 4))
3476 (const_string "store2")
3477 (eq (symbol_ref "XVECLEN (operands[0],0)") (const_int 5))
3478 (const_string "store3")]
3479 (const_string "store4")))])
3481 ;; Ordinary store multiple
3483 (define_insn "*stmsi"
3484 [(match_parallel 0 "store_multiple_operation"
3485 [(set (mem:SI (match_operand:SI 2 "s_register_operand" "r"))
3486 (match_operand:SI 1 "s_register_operand" "r"))])]
3491 int count = XVECLEN (operands[0], 0);
3493 ops[0] = XEXP (SET_DEST (XVECEXP (operands[0], 0, 0)), 0);
3494 ops[1] = SET_SRC (XVECEXP (operands[0], 0, 0));
3495 ops[2] = SET_SRC (XVECEXP (operands[0], 0, count - 1));
3497 output_asm_insn (\"stm%?ia\\t%0, {%1-%2}\\t%@ str multiple\", ops);
3502 (cond [(eq (symbol_ref "XVECLEN (operands[0],0)") (const_int 3))
3503 (const_string "store2")
3504 (eq (symbol_ref "XVECLEN (operands[0],0)") (const_int 4))
3505 (const_string "store3")]
3506 (const_string "store4")))])
3508 ;; Move a block of memory if it is word aligned and MORE than 2 words long.
3509 ;; We could let this apply for blocks of less than this, but it clobbers so
3510 ;; many registers that there is then probably a better way.
3512 (define_expand "movstrqi"
3513 [(match_operand:BLK 0 "general_operand" "")
3514 (match_operand:BLK 1 "general_operand" "")
3515 (match_operand:SI 2 "const_int_operand" "")
3516 (match_operand:SI 3 "const_int_operand" "")]
3519 if (arm_gen_movstrqi (operands))
3525 ;; Comparison and test insns
3527 (define_expand "cmpsi"
3528 [(match_operand:SI 0 "s_register_operand" "")
3529 (match_operand:SI 1 "arm_add_operand" "")]
3533 arm_compare_op0 = operands[0];
3534 arm_compare_op1 = operands[1];
3539 (define_expand "cmpsf"
3540 [(match_operand:SF 0 "s_register_operand" "")
3541 (match_operand:SF 1 "fpu_rhs_operand" "")]
3545 arm_compare_op0 = operands[0];
3546 arm_compare_op1 = operands[1];
3551 (define_expand "cmpdf"
3552 [(match_operand:DF 0 "s_register_operand" "")
3553 (match_operand:DF 1 "fpu_rhs_operand" "")]
3557 arm_compare_op0 = operands[0];
3558 arm_compare_op1 = operands[1];
3563 (define_expand "cmpxf"
3564 [(match_operand:XF 0 "s_register_operand" "")
3565 (match_operand:XF 1 "fpu_rhs_operand" "")]
3566 "ENABLE_XF_PATTERNS && TARGET_HARD_FLOAT"
3569 arm_compare_op0 = operands[0];
3570 arm_compare_op1 = operands[1];
3575 (define_insn "*cmpsi_insn"
3577 (compare:CC (match_operand:SI 0 "s_register_operand" "r,r")
3578 (match_operand:SI 1 "arm_add_operand" "rI,L")))]
3583 [(set_attr "conds" "set")])
3585 (define_insn "*cmpsi_shiftsi"
3587 (compare:CC (match_operand:SI 0 "s_register_operand" "r")
3588 (match_operator:SI 3 "shift_operator"
3589 [(match_operand:SI 1 "s_register_operand" "r")
3590 (match_operand:SI 2 "arm_rhs_operand" "rM")])))]
3593 [(set_attr "conds" "set")])
3595 (define_insn "*cmpsi_shiftsi_swp"
3596 [(set (reg:CC_SWP 24)
3597 (compare:CC_SWP (match_operator:SI 3 "shift_operator"
3598 [(match_operand:SI 1 "s_register_operand" "r")
3599 (match_operand:SI 2 "reg_or_int_operand" "rM")])
3600 (match_operand:SI 0 "s_register_operand" "r")))]
3603 [(set_attr "conds" "set")])
3605 (define_insn "*cmpsi_neg_shiftsi"
3607 (compare:CC (match_operand:SI 0 "s_register_operand" "r")
3608 (neg:SI (match_operator:SI 3 "shift_operator"
3609 [(match_operand:SI 1 "s_register_operand" "r")
3610 (match_operand:SI 2 "arm_rhs_operand" "rM")]))))]
3613 [(set_attr "conds" "set")])
3615 (define_insn "*cmpsf_insn"
3617 (compare:CCFP (match_operand:SF 0 "s_register_operand" "f,f")
3618 (match_operand:SF 1 "fpu_add_operand" "fG,H")))]
3623 [(set_attr "conds" "set")
3624 (set_attr "type" "f_2_r")])
3626 (define_insn "*cmpdf_insn"
3628 (compare:CCFP (match_operand:DF 0 "s_register_operand" "f,f")
3629 (match_operand:DF 1 "fpu_add_operand" "fG,H")))]
3634 [(set_attr "conds" "set")
3635 (set_attr "type" "f_2_r")])
3637 (define_insn "*cmpesfdf_df"
3639 (compare:CCFP (float_extend:DF
3640 (match_operand:SF 0 "s_register_operand" "f,f"))
3641 (match_operand:DF 1 "fpu_add_operand" "fG,H")))]
3646 [(set_attr "conds" "set")
3647 (set_attr "type" "f_2_r")])
3649 (define_insn "*cmpdf_esfdf"
3651 (compare:CCFP (match_operand:DF 0 "s_register_operand" "f")
3653 (match_operand:SF 1 "s_register_operand" "f"))))]
3656 [(set_attr "conds" "set")
3657 (set_attr "type" "f_2_r")])
3659 (define_insn "*cmpxf_insn"
3661 (compare:CCFP (match_operand:XF 0 "s_register_operand" "f,f")
3662 (match_operand:XF 1 "fpu_add_operand" "fG,H")))]
3663 "ENABLE_XF_PATTERNS && TARGET_HARD_FLOAT"
3667 [(set_attr "conds" "set")
3668 (set_attr "type" "f_2_r")])
3670 (define_insn "*cmpsf_trap"
3671 [(set (reg:CCFPE 24)
3672 (compare:CCFPE (match_operand:SF 0 "s_register_operand" "f,f")
3673 (match_operand:SF 1 "fpu_add_operand" "fG,H")))]
3678 [(set_attr "conds" "set")
3679 (set_attr "type" "f_2_r")])
3681 (define_insn "*cmpdf_trap"
3682 [(set (reg:CCFPE 24)
3683 (compare:CCFPE (match_operand:DF 0 "s_register_operand" "f,f")
3684 (match_operand:DF 1 "fpu_add_operand" "fG,H")))]
3689 [(set_attr "conds" "set")
3690 (set_attr "type" "f_2_r")])
3692 (define_insn "*cmp_esfdf_df_trap"
3693 [(set (reg:CCFPE 24)
3694 (compare:CCFPE (float_extend:DF
3695 (match_operand:SF 0 "s_register_operand" "f,f"))
3696 (match_operand:DF 1 "fpu_add_operand" "fG,H")))]
3701 [(set_attr "conds" "set")
3702 (set_attr "type" "f_2_r")])
3704 (define_insn "*cmp_df_esfdf_trap"
3705 [(set (reg:CCFPE 24)
3706 (compare:CCFPE (match_operand:DF 0 "s_register_operand" "f")
3708 (match_operand:SF 1 "s_register_operand" "f"))))]
3711 [(set_attr "conds" "set")
3712 (set_attr "type" "f_2_r")])
3714 (define_insn "*cmpxf_trap"
3715 [(set (reg:CCFPE 24)
3716 (compare:CCFPE (match_operand:XF 0 "s_register_operand" "f,f")
3717 (match_operand:XF 1 "fpu_add_operand" "fG,H")))]
3718 "ENABLE_XF_PATTERNS && TARGET_HARD_FLOAT"
3722 [(set_attr "conds" "set")
3723 (set_attr "type" "f_2_r")])
3725 ; This insn allows redundant compares to be removed by cse, nothing should
3726 ; ever appear in the output file since (set (reg x) (reg x)) is a no-op that
3727 ; is deleted later on. The match_dup will match the mode here, so that
3728 ; mode changes of the condition codes aren't lost by this even though we don't
3729 ; specify what they are.
3731 (define_insn "*deleted_compare"
3732 [(set (match_operand 0 "cc_register" "") (match_dup 0))]
3734 "\\t%@ deleted compare"
3735 [(set_attr "conds" "set")
3736 (set_attr "length" "0")])
3739 ;; Conditional branch insns
3741 (define_expand "beq"
3743 (if_then_else (eq (match_dup 1) (const_int 0))
3744 (label_ref (match_operand 0 "" ""))
3749 operands[1] = gen_compare_reg (EQ, arm_compare_op0, arm_compare_op1);
3753 (define_expand "bne"
3755 (if_then_else (ne (match_dup 1) (const_int 0))
3756 (label_ref (match_operand 0 "" ""))
3761 operands[1] = gen_compare_reg (NE, arm_compare_op0, arm_compare_op1);
3765 (define_expand "bgt"
3767 (if_then_else (gt (match_dup 1) (const_int 0))
3768 (label_ref (match_operand 0 "" ""))
3773 operands[1] = gen_compare_reg (GT, arm_compare_op0, arm_compare_op1);
3777 (define_expand "ble"
3779 (if_then_else (le (match_dup 1) (const_int 0))
3780 (label_ref (match_operand 0 "" ""))
3785 operands[1] = gen_compare_reg (LE, arm_compare_op0, arm_compare_op1);
3789 (define_expand "bge"
3791 (if_then_else (ge (match_dup 1) (const_int 0))
3792 (label_ref (match_operand 0 "" ""))
3797 operands[1] = gen_compare_reg (GE, arm_compare_op0, arm_compare_op1);
3801 (define_expand "blt"
3803 (if_then_else (lt (match_dup 1) (const_int 0))
3804 (label_ref (match_operand 0 "" ""))
3809 operands[1] = gen_compare_reg (LT, arm_compare_op0, arm_compare_op1);
3813 (define_expand "bgtu"
3815 (if_then_else (gtu (match_dup 1) (const_int 0))
3816 (label_ref (match_operand 0 "" ""))
3821 operands[1] = gen_compare_reg (GTU, arm_compare_op0, arm_compare_op1);
3825 (define_expand "bleu"
3827 (if_then_else (leu (match_dup 1) (const_int 0))
3828 (label_ref (match_operand 0 "" ""))
3833 operands[1] = gen_compare_reg (LEU, arm_compare_op0, arm_compare_op1);
3837 (define_expand "bgeu"
3839 (if_then_else (geu (match_dup 1) (const_int 0))
3840 (label_ref (match_operand 0 "" ""))
3845 operands[1] = gen_compare_reg (GEU, arm_compare_op0, arm_compare_op1);
3849 (define_expand "bltu"
3851 (if_then_else (ltu (match_dup 1) (const_int 0))
3852 (label_ref (match_operand 0 "" ""))
3857 operands[1] = gen_compare_reg (LTU, arm_compare_op0, arm_compare_op1);
3861 ;; patterns to match conditional branch insns
3863 (define_insn "*condbranch"
3865 (if_then_else (match_operator 1 "comparison_operator"
3866 [(match_operand 2 "cc_register" "") (const_int 0)])
3867 (label_ref (match_operand 0 "" ""))
3872 extern int arm_ccfsm_state;
3874 if (arm_ccfsm_state == 1 || arm_ccfsm_state == 2)
3876 arm_ccfsm_state += 2;
3879 return \"b%d1\\t%l0\";
3881 [(set_attr "conds" "use")])
3883 (define_insn "*condbranch_reversed"
3885 (if_then_else (match_operator 1 "comparison_operator"
3886 [(match_operand 2 "cc_register" "") (const_int 0)])
3888 (label_ref (match_operand 0 "" ""))))]
3892 extern int arm_ccfsm_state;
3894 if (arm_ccfsm_state == 1 || arm_ccfsm_state == 2)
3896 arm_ccfsm_state += 2;
3899 return \"b%D1\\t%l0\";
3901 [(set_attr "conds" "use")])
3906 (define_expand "seq"
3907 [(set (match_operand:SI 0 "s_register_operand" "=r")
3908 (eq:SI (match_dup 1) (const_int 0)))]
3912 operands[1] = gen_compare_reg (EQ, arm_compare_op0, arm_compare_op1);
3916 (define_expand "sne"
3917 [(set (match_operand:SI 0 "s_register_operand" "=r")
3918 (ne:SI (match_dup 1) (const_int 0)))]
3922 operands[1] = gen_compare_reg (NE, arm_compare_op0, arm_compare_op1);
3926 (define_expand "sgt"
3927 [(set (match_operand:SI 0 "s_register_operand" "=r")
3928 (gt:SI (match_dup 1) (const_int 0)))]
3932 operands[1] = gen_compare_reg (GT, arm_compare_op0, arm_compare_op1);
3936 (define_expand "sle"
3937 [(set (match_operand:SI 0 "s_register_operand" "=r")
3938 (le:SI (match_dup 1) (const_int 0)))]
3942 operands[1] = gen_compare_reg (LE, arm_compare_op0, arm_compare_op1);
3946 (define_expand "sge"
3947 [(set (match_operand:SI 0 "s_register_operand" "=r")
3948 (ge:SI (match_dup 1) (const_int 0)))]
3952 operands[1] = gen_compare_reg (GE, arm_compare_op0, arm_compare_op1);
3956 (define_expand "slt"
3957 [(set (match_operand:SI 0 "s_register_operand" "=r")
3958 (lt:SI (match_dup 1) (const_int 0)))]
3962 operands[1] = gen_compare_reg (LT, arm_compare_op0, arm_compare_op1);
3966 (define_expand "sgtu"
3967 [(set (match_operand:SI 0 "s_register_operand" "=r")
3968 (gtu:SI (match_dup 1) (const_int 0)))]
3972 operands[1] = gen_compare_reg (GTU, arm_compare_op0, arm_compare_op1);
3976 (define_expand "sleu"
3977 [(set (match_operand:SI 0 "s_register_operand" "=r")
3978 (leu:SI (match_dup 1) (const_int 0)))]
3982 operands[1] = gen_compare_reg (LEU, arm_compare_op0, arm_compare_op1);
3986 (define_expand "sgeu"
3987 [(set (match_operand:SI 0 "s_register_operand" "=r")
3988 (geu:SI (match_dup 1) (const_int 0)))]
3992 operands[1] = gen_compare_reg (GEU, arm_compare_op0, arm_compare_op1);
3996 (define_expand "sltu"
3997 [(set (match_operand:SI 0 "s_register_operand" "=r")
3998 (ltu:SI (match_dup 1) (const_int 0)))]
4002 operands[1] = gen_compare_reg (LTU, arm_compare_op0, arm_compare_op1);
4006 (define_insn "*mov_scc"
4007 [(set (match_operand:SI 0 "s_register_operand" "=r")
4008 (match_operator:SI 1 "comparison_operator"
4009 [(match_operand 2 "cc_register" "") (const_int 0)]))]
4011 "mov%D1\\t%0, #0\;mov%d1\\t%0, #1"
4012 [(set_attr "conds" "use")
4013 (set_attr "length" "8")])
4015 (define_insn "*mov_negscc"
4016 [(set (match_operand:SI 0 "s_register_operand" "=r")
4017 (neg:SI (match_operator:SI 1 "comparison_operator"
4018 [(match_operand 2 "cc_register" "") (const_int 0)])))]
4020 "mov%D1\\t%0, #0\;mvn%d1\\t%0, #0"
4021 [(set_attr "conds" "use")
4022 (set_attr "length" "8")])
4024 (define_insn "*mov_notscc"
4025 [(set (match_operand:SI 0 "s_register_operand" "=r")
4026 (not:SI (match_operator:SI 1 "comparison_operator"
4027 [(match_operand 2 "cc_register" "") (const_int 0)])))]
4029 "mov%D1\\t%0, #0\;mvn%d1\\t%0, #1"
4030 [(set_attr "conds" "use")
4031 (set_attr "length" "8")])
4034 ;; Conditional move insns
4036 (define_expand "movsicc"
4037 [(set (match_operand:SI 0 "s_register_operand" "")
4038 (if_then_else:SI (match_operand 1 "comparison_operator" "")
4039 (match_operand:SI 2 "arm_not_operand" "")
4040 (match_operand:SI 3 "arm_not_operand" "")))]
4044 enum rtx_code code = GET_CODE (operands[1]);
4045 rtx ccreg = gen_compare_reg (code, arm_compare_op0, arm_compare_op1);
4047 operands[1] = gen_rtx (code, VOIDmode, ccreg, const0_rtx);
4050 (define_expand "movsfcc"
4051 [(set (match_operand:SF 0 "s_register_operand" "")
4052 (if_then_else:SF (match_operand 1 "comparison_operator" "")
4053 (match_operand:SF 2 "s_register_operand" "")
4054 (match_operand:SF 3 "nonmemory_operand" "")))]
4058 enum rtx_code code = GET_CODE (operands[1]);
4061 /* When compiling for SOFT_FLOAT, ensure both arms are in registers.
4062 Otherwise, ensure it is a valid FP add operand */
4063 if ((! TARGET_HARD_FLOAT)
4064 || (! fpu_add_operand (operands[3], SFmode)))
4065 operands[3] = force_reg (SFmode, operands[3]);
4067 ccreg = gen_compare_reg (code, arm_compare_op0, arm_compare_op1);
4069 operands[1] = gen_rtx (code, VOIDmode, ccreg, const0_rtx);
4072 (define_expand "movdfcc"
4073 [(set (match_operand:DF 0 "s_register_operand" "")
4074 (if_then_else:DF (match_operand 1 "comparison_operator" "")
4075 (match_operand:DF 2 "s_register_operand" "")
4076 (match_operand:DF 3 "fpu_add_operand" "")))]
4080 enum rtx_code code = GET_CODE (operands[1]);
4081 rtx ccreg = gen_compare_reg (code, arm_compare_op0, arm_compare_op1);
4083 operands[1] = gen_rtx (code, VOIDmode, ccreg, const0_rtx);
4086 (define_insn "*movsicc_insn"
4087 [(set (match_operand:SI 0 "s_register_operand" "=r,r,r,r,r,r,r,r")
4089 (match_operator 3 "comparison_operator"
4090 [(match_operand 4 "cc_register" "") (const_int 0)])
4091 (match_operand:SI 1 "arm_not_operand" "0,0,rI,K,rI,rI,K,K")
4092 (match_operand:SI 2 "arm_not_operand" "rI,K,0,0,rI,K,rI,K")))]
4099 mov%d3\\t%0, %1\;mov%D3\\t%0, %2
4100 mov%d3\\t%0, %1\;mvn%D3\\t%0, #%B2
4101 mvn%d3\\t%0, #%B1\;mov%D3\\t%0, %2
4102 mvn%d3\\t%0, #%B1\;mvn%D3\\t%0, #%B2"
4103 [(set_attr "length" "4,4,4,4,8,8,8,8")
4104 (set_attr "conds" "use")])
4106 (define_insn "*movsfcc_hard_insn"
4107 [(set (match_operand:SF 0 "s_register_operand" "=f,f,f,f,f,f,f,f")
4109 (match_operator 3 "comparison_operator"
4110 [(match_operand 4 "cc_register" "") (const_int 0)])
4111 (match_operand:SF 1 "fpu_add_operand" "0,0,fG,H,fG,fG,H,H")
4112 (match_operand:SF 2 "fpu_add_operand" "fG,H,0,0,fG,H,fG,H")))]
4119 mvf%d3s\\t%0, %1\;mvf%D3s\\t%0, %2
4120 mvf%d3s\\t%0, %1\;mnf%D3s\\t%0, #%N2
4121 mnf%d3s\\t%0, #%N1\;mvf%D3s\\t%0, %2
4122 mnf%d3s\\t%0, #%N1\;mnf%D3s\\t%0, #%N2"
4123 [(set_attr "length" "4,4,4,4,8,8,8,8")
4124 (set_attr "type" "ffarith")
4125 (set_attr "conds" "use")])
4127 (define_insn "*movsfcc_soft_insn"
4128 [(set (match_operand:SF 0 "s_register_operand" "=r,r")
4129 (if_then_else:SF (match_operator 3 "comparison_operator"
4130 [(match_operand 4 "cc_register" "") (const_int 0)])
4131 (match_operand:SF 1 "s_register_operand" "0,r")
4132 (match_operand:SF 2 "s_register_operand" "r,0")))]
4137 [(set_attr "conds" "use")])
4139 (define_insn "*movdfcc_insn"
4140 [(set (match_operand:DF 0 "s_register_operand" "=f,f,f,f,f,f,f,f")
4142 (match_operator 3 "comparison_operator"
4143 [(match_operand 4 "cc_register" "") (const_int 0)])
4144 (match_operand:DF 1 "fpu_add_operand" "0,0,fG,H,fG,fG,H,H")
4145 (match_operand:DF 2 "fpu_add_operand" "fG,H,0,0,fG,H,fG,H")))]
4152 mvf%d3d\\t%0, %1\;mvf%D3d\\t%0, %2
4153 mvf%d3d\\t%0, %1\;mnf%D3d\\t%0, #%N2
4154 mnf%d3d\\t%0, #%N1\;mvf%D3d\\t%0, %2
4155 mnf%d3d\\t%0, #%N1\;mnf%D3d\\t%0, #%N2"
4156 [(set_attr "length" "4,4,4,4,8,8,8,8")
4157 (set_attr "type" "ffarith")
4158 (set_attr "conds" "use")])
4160 ;; Jump and linkage insns
4164 (label_ref (match_operand 0 "" "")))]
4168 extern int arm_ccfsm_state;
4170 if (arm_ccfsm_state == 1 || arm_ccfsm_state == 2)
4172 arm_ccfsm_state += 2;
4175 return \"b%?\\t%l0\";
4178 (define_expand "call"
4179 [(parallel [(call (match_operand 0 "memory_operand" "")
4180 (match_operand 1 "general_operand" ""))
4181 (clobber (reg:SI 14))])]
4185 (define_insn "*call_reg"
4186 [(call (mem:SI (match_operand:SI 0 "s_register_operand" "r"))
4187 (match_operand 1 "" "g"))
4188 (clobber (reg:SI 14))]
4191 return output_call (operands);
4193 ;; length is worst case, normally it is only two
4194 [(set_attr "length" "12")
4195 (set_attr "type" "call")])
4197 (define_insn "*call_mem"
4198 [(call (mem:SI (match_operand 0 "memory_operand" "m"))
4199 (match_operand 1 "general_operand" "g"))
4200 (clobber (reg:SI 14))]
4203 return output_call_mem (operands);
4205 [(set_attr "length" "12")
4206 (set_attr "type" "call")])
4208 (define_expand "call_value"
4209 [(parallel [(set (match_operand 0 "" "=rf")
4210 (call (match_operand 1 "memory_operand" "m")
4211 (match_operand 2 "general_operand" "g")))
4212 (clobber (reg:SI 14))])]
4216 (define_insn "*call_value_reg"
4217 [(set (match_operand 0 "" "=rf")
4218 (call (mem:SI (match_operand:SI 1 "s_register_operand" "r"))
4219 (match_operand 2 "general_operand" "g")))
4220 (clobber (reg:SI 14))]
4223 return output_call (&operands[1]);
4225 [(set_attr "length" "12")
4226 (set_attr "type" "call")])
4228 (define_insn "*call_value_mem"
4229 [(set (match_operand 0 "" "=rf")
4230 (call (mem:SI (match_operand 1 "memory_operand" "m"))
4231 (match_operand 2 "general_operand" "g")))
4232 (clobber (reg:SI 14))]
4233 "! CONSTANT_ADDRESS_P (XEXP (operands[1], 0))"
4235 return output_call_mem (&operands[1]);
4237 [(set_attr "length" "12")
4238 (set_attr "type" "call")])
4240 ;; Allow calls to SYMBOL_REFs specially as they are not valid general addresses
4241 ;; The 'a' causes the operand to be treated as an address, i.e. no '#' output.
4243 (define_insn "*call_symbol"
4244 [(call (mem:SI (match_operand:SI 0 "" "X"))
4245 (match_operand:SI 1 "general_operand" "g"))
4246 (clobber (reg:SI 14))]
4247 "GET_CODE (operands[0]) == SYMBOL_REF"
4249 [(set_attr "type" "call")])
4251 (define_insn "*call_value_symbol"
4252 [(set (match_operand 0 "s_register_operand" "=rf")
4253 (call (mem:SI (match_operand:SI 1 "" "X"))
4254 (match_operand:SI 2 "general_operand" "g")))
4255 (clobber (reg:SI 14))]
4256 "GET_CODE(operands[1]) == SYMBOL_REF"
4258 [(set_attr "type" "call")])
4260 ;; Often the return insn will be the same as loading from memory, so set attr
4261 (define_insn "return"
4263 "USE_RETURN_INSN(FALSE)"
4266 extern int arm_ccfsm_state;
4268 if (arm_ccfsm_state == 2)
4270 arm_ccfsm_state += 2;
4273 return output_return_instruction (NULL, TRUE, FALSE);
4275 [(set_attr "type" "load")])
4277 (define_insn "*cond_return"
4279 (if_then_else (match_operator 0 "comparison_operator"
4280 [(match_operand 1 "cc_register" "") (const_int 0)])
4283 "USE_RETURN_INSN(TRUE)"
4286 extern int arm_ccfsm_state;
4288 if (arm_ccfsm_state == 2)
4290 arm_ccfsm_state += 2;
4293 return output_return_instruction (operands[0], TRUE, FALSE);
4295 [(set_attr "conds" "use")
4296 (set_attr "type" "load")])
4298 (define_insn "*cond_return_inverted"
4300 (if_then_else (match_operator 0 "comparison_operator"
4301 [(match_operand 1 "cc_register" "") (const_int 0)])
4304 "USE_RETURN_INSN(TRUE)"
4307 extern int arm_ccfsm_state;
4309 if (arm_ccfsm_state == 2)
4311 arm_ccfsm_state += 2;
4314 return output_return_instruction (operands[0], TRUE, TRUE);
4316 [(set_attr "conds" "use")
4317 (set_attr "type" "load")])
4319 ;; Call subroutine returning any type.
4321 (define_expand "untyped_call"
4322 [(parallel [(call (match_operand 0 "" "")
4324 (match_operand 1 "" "")
4325 (match_operand 2 "" "")])]
4331 emit_call_insn (gen_call (operands[0], const0_rtx, NULL, const0_rtx));
4333 for (i = 0; i < XVECLEN (operands[2], 0); i++)
4335 rtx set = XVECEXP (operands[2], 0, i);
4336 emit_move_insn (SET_DEST (set), SET_SRC (set));
4339 /* The optimizer does not know that the call sets the function value
4340 registers we stored in the result block. We avoid problems by
4341 claiming that all hard registers are used and clobbered at this
4343 emit_insn (gen_blockage ());
4348 ;; UNSPEC_VOLATILE is considered to use and clobber all hard registers and
4349 ;; all of memory. This blocks insns from being moved across this point.
4351 (define_insn "blockage"
4352 [(unspec_volatile [(const_int 0)] 0)]
4355 [(set_attr "length" "0")
4356 (set_attr "type" "block")])
4358 (define_expand "casesi"
4359 [(match_operand:SI 0 "s_register_operand" "") ; index to jump on
4360 (match_operand:SI 1 "const_int_operand" "") ; lower bound
4361 (match_operand:SI 2 "const_int_operand" "") ; total range
4362 (match_operand:SI 3 "" "") ; table label
4363 (match_operand:SI 4 "" "")] ; Out of range label
4368 if (operands[1] != const0_rtx)
4370 reg = gen_reg_rtx (SImode);
4371 emit_insn (gen_addsi3 (reg, operands[0],
4372 GEN_INT (-INTVAL (operands[1]))));
4376 if (! const_ok_for_arm (INTVAL (operands[2])))
4377 operands[2] = force_reg (SImode, operands[2]);
4379 emit_jump_insn (gen_casesi_internal (operands[0], operands[2], operands[3],
4384 ;; The USE in this pattern is needed to tell flow analysis that this is
4385 ;; a CASESI insn. It has no other purpose.
4386 (define_insn "casesi_internal"
4387 [(parallel [(set (pc)
4389 (leu (match_operand:SI 0 "s_register_operand" "r")
4390 (match_operand:SI 1 "arm_rhs_operand" "rI"))
4391 (mem:SI (plus:SI (mult:SI (match_dup 0) (const_int 4))
4392 (label_ref (match_operand 2 "" ""))))
4393 (label_ref (match_operand 3 "" ""))))
4394 (use (label_ref (match_dup 2)))])]
4398 return \"cmp\\t%0, %1\;addls\\t%|pc, %|pc, %0, asl #2\;b\\t%l3\";
4399 return \"cmp\\t%0, %1\;ldrls\\t%|pc, [%|pc, %0, asl #2]\;b\\t%l3\";
4401 [(set_attr "conds" "clob")
4402 (set_attr "length" "12")])
4404 (define_insn "indirect_jump"
4406 (match_operand:SI 0 "s_register_operand" "r"))]
4408 "mov%?\\t%|pc, %0\\t%@ indirect jump")
4410 (define_insn "*load_indirect_jump"
4412 (match_operand:SI 0 "memory_operand" "m"))]
4414 "ldr%?\\t%|pc, %0\\t%@ indirect jump"
4415 [(set_attr "type" "load")])
4422 "mov%?\\tr0, r0\\t%@ nop")
4424 ;; Patterns to allow combination of arithmetic, cond code and shifts
4426 (define_insn "*arith_shiftsi"
4427 [(set (match_operand:SI 0 "s_register_operand" "=r")
4428 (match_operator:SI 1 "shiftable_operator"
4429 [(match_operator:SI 3 "shift_operator"
4430 [(match_operand:SI 4 "s_register_operand" "r")
4431 (match_operand:SI 5 "reg_or_int_operand" "rI")])
4432 (match_operand:SI 2 "s_register_operand" "r")]))]
4434 "%i1%?\\t%0, %2, %4%S3")
4436 (define_insn "*arith_shiftsi_compare0"
4437 [(set (reg:CC_NOOV 24)
4438 (compare:CC_NOOV (match_operator:SI 1 "shiftable_operator"
4439 [(match_operator:SI 3 "shift_operator"
4440 [(match_operand:SI 4 "s_register_operand" "r")
4441 (match_operand:SI 5 "reg_or_int_operand" "rI")])
4442 (match_operand:SI 2 "s_register_operand" "r")])
4444 (set (match_operand:SI 0 "s_register_operand" "=r")
4445 (match_op_dup 1 [(match_op_dup 3 [(match_dup 4) (match_dup 5)])
4448 "%i1%?s\\t%0, %2, %4%S3"
4449 [(set_attr "conds" "set")])
4451 (define_insn "*arith_shiftsi_compare0_scratch"
4452 [(set (reg:CC_NOOV 24)
4453 (compare:CC_NOOV (match_operator:SI 1 "shiftable_operator"
4454 [(match_operator:SI 3 "shift_operator"
4455 [(match_operand:SI 4 "s_register_operand" "r")
4456 (match_operand:SI 5 "reg_or_int_operand" "rI")])
4457 (match_operand:SI 2 "s_register_operand" "r")])
4459 (clobber (match_scratch:SI 0 "=r"))]
4461 "%i1%?s\\t%0, %2, %4%S3"
4462 [(set_attr "conds" "set")])
4464 (define_insn "*sub_shiftsi"
4465 [(set (match_operand:SI 0 "s_register_operand" "=r")
4466 (minus:SI (match_operand:SI 1 "s_register_operand" "r")
4467 (match_operator:SI 2 "shift_operator"
4468 [(match_operand:SI 3 "s_register_operand" "r")
4469 (match_operand:SI 4 "reg_or_int_operand" "rM")])))]
4471 "sub%?\\t%0, %1, %3%S2")
4473 (define_insn "*sub_shiftsi_compare0"
4474 [(set (reg:CC_NOOV 24)
4476 (minus:SI (match_operand:SI 1 "s_register_operand" "r")
4477 (match_operator:SI 2 "shift_operator"
4478 [(match_operand:SI 3 "s_register_operand" "r")
4479 (match_operand:SI 4 "reg_or_int_operand" "rM")]))
4481 (set (match_operand:SI 0 "s_register_operand" "=r")
4482 (minus:SI (match_dup 1) (match_op_dup 2 [(match_dup 3)
4485 "sub%?s\\t%0, %1, %3%S2"
4486 [(set_attr "conds" "set")])
4488 (define_insn "*sub_shiftsi_compare0_scratch"
4489 [(set (reg:CC_NOOV 24)
4491 (minus:SI (match_operand:SI 1 "s_register_operand" "r")
4492 (match_operator:SI 2 "shift_operator"
4493 [(match_operand:SI 3 "s_register_operand" "r")
4494 (match_operand:SI 4 "reg_or_int_operand" "rM")]))
4496 (clobber (match_scratch:SI 0 "=r"))]
4498 "sub%?s\\t%0, %1, %3%S2"
4499 [(set_attr "conds" "set")])
4501 ;; These variants of the above insns can occur if the first operand is the
4502 ;; frame pointer and we eliminate that. This is a kludge, but there doesn't
4503 ;; seem to be a way around it. Most of the predicates have to be null
4504 ;; because the format can be generated part way through reload, so
4505 ;; if we don't match it as soon as it becomes available, reload doesn't know
4506 ;; how to reload pseudos that haven't got hard registers; the constraints will
4507 ;; sort everything out.
4509 (define_insn "*reload_mulsi3"
4510 [(set (match_operand:SI 0 "" "=&r")
4511 (plus:SI (plus:SI (match_operator:SI 5 "shift_operator"
4512 [(match_operand:SI 3 "" "r")
4513 (match_operand:SI 4 "" "rM")])
4514 (match_operand:SI 2 "" "r"))
4515 (match_operand:SI 1 "const_int_operand" "n")))]
4516 "reload_in_progress"
4518 output_asm_insn (\"add%?\\t%0, %2, %3%S5\", operands);
4519 operands[2] = operands[1];
4520 operands[1] = operands[0];
4521 return output_add_immediate (operands);
4523 ; we have no idea how long the add_immediate is, it could be up to 4.
4524 [(set_attr "length" "20")])
4526 (define_insn "*reload_mulsi_compare0"
4527 [(set (reg:CC_NOOV 24)
4528 (compare:CC_NOOV (plus:SI
4530 (match_operator:SI 5 "shift_operator"
4531 [(match_operand:SI 3 "" "r")
4532 (match_operand:SI 4 "" "rM")])
4533 (match_operand:SI 1 "" "r"))
4534 (match_operand:SI 2 "const_int_operand" "n"))
4536 (set (match_operand:SI 0 "" "=&r")
4537 (plus:SI (plus:SI (match_op_dup 5 [(match_dup 3) (match_dup 4)])
4540 "reload_in_progress"
4542 output_add_immediate (operands);
4543 return \"add%?s\\t%0, %0, %3%S5\";
4545 [(set_attr "conds" "set")
4546 (set_attr "length" "20")])
4548 (define_insn "*reload_mulsi_compare0_scratch"
4549 [(set (reg:CC_NOOV 24)
4550 (compare:CC_NOOV (plus:SI
4552 (match_operator:SI 5 "shift_operator"
4553 [(match_operand:SI 3 "" "r")
4554 (match_operand:SI 4 "" "rM")])
4555 (match_operand:SI 1 "" "r"))
4556 (match_operand:SI 2 "const_int_operand" "n"))
4558 (clobber (match_scratch:SI 0 "=&r"))]
4559 "reload_in_progress"
4561 output_add_immediate (operands);
4562 return \"add%?s\\t%0, %0, %3%S5\";
4564 [(set_attr "conds" "set")
4565 (set_attr "length" "20")])
4567 ;; These are similar, but are needed when the mla pattern contains the
4568 ;; eliminated register as operand 3.
4570 (define_insn "*reload_muladdsi"
4571 [(set (match_operand:SI 0 "" "=&r,&r")
4572 (plus:SI (plus:SI (mult:SI (match_operand:SI 1 "" "%0,r")
4573 (match_operand:SI 2 "" "r,r"))
4574 (match_operand:SI 3 "" "r,r"))
4575 (match_operand:SI 4 "const_int_operand" "n,n")))]
4576 "reload_in_progress"
4578 output_asm_insn (\"mla%?\\t%0, %2, %1, %3\", operands);
4579 operands[2] = operands[4];
4580 operands[1] = operands[0];
4581 return output_add_immediate (operands);
4583 [(set_attr "length" "20")
4584 (set_attr "type" "mult")])
4586 (define_insn "*reload_muladdsi_compare0"
4587 [(set (reg:CC_NOOV 24)
4588 (compare:CC_NOOV (plus:SI (plus:SI (mult:SI
4589 (match_operand:SI 3 "" "r")
4590 (match_operand:SI 4 "" "r"))
4591 (match_operand:SI 1 "" "r"))
4592 (match_operand:SI 2 "const_int_operand" "n"))
4594 (set (match_operand:SI 0 "" "=&r")
4595 (plus:SI (plus:SI (mult:SI (match_dup 3) (match_dup 4)) (match_dup 1))
4597 "reload_in_progress"
4599 output_add_immediate (operands);
4600 output_asm_insn (\"mla%?s\\t%0, %3, %4, %0\", operands);
4603 [(set_attr "length" "20")
4604 (set_attr "conds" "set")
4605 (set_attr "type" "mult")])
4607 (define_insn "*reload_muladdsi_compare0_scratch"
4608 [(set (reg:CC_NOOV 24)
4609 (compare:CC_NOOV (plus:SI (plus:SI (mult:SI
4610 (match_operand:SI 3 "" "r")
4611 (match_operand:SI 4 "" "r"))
4612 (match_operand:SI 1 "" "r"))
4613 (match_operand:SI 2 "const_int_operand" "n"))
4615 (clobber (match_scratch:SI 0 "=&r"))]
4616 "reload_in_progress"
4618 output_add_immediate (operands);
4619 return \"mla%?s\\t%0, %3, %4, %0\";
4621 [(set_attr "length" "20")
4622 (set_attr "conds" "set")
4623 (set_attr "type" "mult")])
4627 (define_insn "*and_scc"
4628 [(set (match_operand:SI 0 "s_register_operand" "=r")
4629 (and:SI (match_operator 1 "comparison_operator"
4630 [(match_operand 3 "cc_register" "") (const_int 0)])
4631 (match_operand:SI 2 "s_register_operand" "r")))]
4633 "mov%D1\\t%0, #0\;and%d1\\t%0, %2, #1"
4634 [(set_attr "conds" "use")
4635 (set_attr "length" "8")])
4637 (define_insn "*ior_scc"
4638 [(set (match_operand:SI 0 "s_register_operand" "=r,r")
4639 (ior:SI (match_operator 2 "comparison_operator"
4640 [(match_operand 3 "cc_register" "") (const_int 0)])
4641 (match_operand:SI 1 "s_register_operand" "0,?r")))]
4645 mov%D2\\t%0, %1\;orr%d2\\t%0, %1, #1"
4646 [(set_attr "conds" "use")
4647 (set_attr "length" "4,8")])
4649 (define_insn "*compare_scc"
4650 [(set (match_operand:SI 0 "s_register_operand" "=r,r")
4651 (match_operator 1 "comparison_operator"
4652 [(match_operand:SI 2 "s_register_operand" "r,r")
4653 (match_operand:SI 3 "arm_add_operand" "rI,L")]))
4654 (clobber (reg:CC 24))]
4657 if (GET_CODE (operands[1]) == LT && operands[3] == const0_rtx)
4658 return \"mov\\t%0, %2, lsr #31\";
4660 if (GET_CODE (operands[1]) == GE && operands[3] == const0_rtx)
4661 return \"mvn\\t%0, %2\;mov\\t%0, %0, lsr #31\";
4663 if (GET_CODE (operands[1]) == NE)
4665 if (which_alternative == 1)
4666 return \"adds\\t%0, %2, #%n3\;movne\\t%0, #1\";
4667 return \"subs\\t%0, %2, %3\;movne\\t%0, #1\";
4669 if (which_alternative == 1)
4670 output_asm_insn (\"cmn\\t%2, #%n3\", operands);
4672 output_asm_insn (\"cmp\\t%2, %3\", operands);
4673 return \"mov%D1\\t%0, #0\;mov%d1\\t%0, #1\";
4675 [(set_attr "conds" "clob")
4676 (set_attr "length" "12")])
4678 (define_insn "*cond_move"
4679 [(set (match_operand:SI 0 "s_register_operand" "=r,r,r")
4680 (if_then_else:SI (match_operator 3 "equality_operator"
4681 [(match_operator 4 "comparison_operator"
4682 [(match_operand 5 "cc_register" "") (const_int 0)])
4684 (match_operand:SI 1 "arm_rhs_operand" "0,rI,?rI")
4685 (match_operand:SI 2 "arm_rhs_operand" "rI,0,rI")))]
4688 if (GET_CODE (operands[3]) == NE)
4690 if (which_alternative != 1)
4691 output_asm_insn (\"mov%D4\\t%0, %2\", operands);
4692 if (which_alternative != 0)
4693 output_asm_insn (\"mov%d4\\t%0, %1\", operands);
4696 if (which_alternative != 0)
4697 output_asm_insn (\"mov%D4\\t%0, %1\", operands);
4698 if (which_alternative != 1)
4699 output_asm_insn (\"mov%d4\\t%0, %2\", operands);
4702 [(set_attr "conds" "use")
4703 (set_attr "length" "4,4,8")])
4705 (define_insn "*cond_arith"
4706 [(set (match_operand:SI 0 "s_register_operand" "=r,r")
4707 (match_operator:SI 5 "shiftable_operator"
4708 [(match_operator:SI 4 "comparison_operator"
4709 [(match_operand:SI 2 "s_register_operand" "r,r")
4710 (match_operand:SI 3 "arm_rhs_operand" "rI,rI")])
4711 (match_operand:SI 1 "s_register_operand" "0,?r")]))
4712 (clobber (reg:CC 24))]
4715 if (GET_CODE (operands[4]) == LT && operands[3] == const0_rtx)
4716 return \"%i5\\t%0, %1, %2, lsr #31\";
4718 output_asm_insn (\"cmp\\t%2, %3\", operands);
4719 if (GET_CODE (operands[5]) == AND)
4720 output_asm_insn (\"mov%D4\\t%0, #0\", operands);
4721 else if (GET_CODE (operands[5]) == MINUS)
4722 output_asm_insn (\"rsb%D4\\t%0, %1, #0\", operands);
4723 else if (which_alternative != 0)
4724 output_asm_insn (\"mov%D4\\t%0, %1\", operands);
4725 return \"%i5%d4\\t%0, %1, #1\";
4727 [(set_attr "conds" "clob")
4728 (set_attr "length" "12")])
4730 (define_insn "*cond_sub"
4731 [(set (match_operand:SI 0 "s_register_operand" "=r,r")
4732 (minus:SI (match_operand:SI 1 "s_register_operand" "0,?r")
4733 (match_operator:SI 4 "comparison_operator"
4734 [(match_operand:SI 2 "s_register_operand" "r,r")
4735 (match_operand:SI 3 "arm_rhs_operand" "rI,rI")])))
4736 (clobber (reg:CC 24))]
4739 output_asm_insn (\"cmp\\t%2, %3\", operands);
4740 if (which_alternative != 0)
4741 output_asm_insn (\"mov%D4\\t%0, %1\", operands);
4742 return \"sub%d4\\t%0, %1, #1\";
4744 [(set_attr "conds" "clob")
4745 (set_attr "length" "8,12")])
4747 (define_insn "*cmp_ite0"
4748 [(set (match_operand 6 "dominant_cc_register" "")
4751 (match_operator 4 "comparison_operator"
4752 [(match_operand:SI 0 "s_register_operand" "r,r,r,r")
4753 (match_operand:SI 1 "arm_add_operand" "rI,L,rI,L")])
4754 (match_operator:SI 5 "comparison_operator"
4755 [(match_operand:SI 2 "s_register_operand" "r,r,r,r")
4756 (match_operand:SI 3 "arm_add_operand" "rI,rI,L,L")])
4762 char* opcodes[4][2] =
4764 {\"cmp\\t%2, %3\;cmp%d5\\t%0, %1\",\"cmp\\t%0, %1\;cmp%d4\\t%2, %3\"},
4765 {\"cmp\\t%2, %3\;cmn%d5\\t%0, #%n1\", \"cmn\\t%0, #%n1\;cmp%d4\\t%2, %3\"},
4766 {\"cmn\\t%2, #%n3\;cmp%d5\\t%0, %1\", \"cmp\\t%0, %1\;cmn%d4\\t%2, #%n3\"},
4767 {\"cmn\\t%2, #%n3\;cmn%d5\\t%0, #%n1\",
4768 \"cmn\\t%0, #%n1\;cmn%d4\\t%2, #%n3\"}
4771 comparison_dominates_p (GET_CODE (operands[5]), GET_CODE (operands[4]));
4773 return opcodes[which_alternative][swap];
4776 [(set_attr "conds" "set")
4777 (set_attr "length" "8")])
4779 (define_insn "*cmp_ite1"
4780 [(set (match_operand 6 "dominant_cc_register" "")
4783 (match_operator 4 "comparison_operator"
4784 [(match_operand:SI 0 "s_register_operand" "r,r,r,r")
4785 (match_operand:SI 1 "arm_add_operand" "rI,L,rI,L")])
4786 (match_operator:SI 5 "comparison_operator"
4787 [(match_operand:SI 2 "s_register_operand" "r,r,r,r")
4788 (match_operand:SI 3 "arm_add_operand" "rI,rI,L,L")])
4794 char* opcodes[4][2] =
4796 {\"cmp\\t%0, %1\;cmp%d4\\t%2, %3\", \"cmp\\t%2, %3\;cmp%D5\\t%0, %1\"},
4797 {\"cmn\\t%0, #%n1\;cmp%d4\\t%2, %3\", \"cmp\\t%2, %3\;cmn%D5\\t%0, #%n1\"},
4798 {\"cmp\\t%0, %1\;cmn%d4\\t%2, #%n3\", \"cmn\\t%2, #%n3\;cmp%D5\\t%0, %1\"},
4799 {\"cmn\\t%0, #%n1\;cmn%d4\\t%2, #%n3\",
4800 \"cmn\\t%2, #%n3\;cmn%D5\\t%0, #%n1\"}
4803 comparison_dominates_p (GET_CODE (operands[5]),
4804 reverse_condition (GET_CODE (operands[4])));
4806 return opcodes[which_alternative][swap];
4809 [(set_attr "conds" "set")
4810 (set_attr "length" "8")])
4812 (define_insn "*negscc"
4813 [(set (match_operand:SI 0 "s_register_operand" "=r")
4814 (neg:SI (match_operator 3 "comparison_operator"
4815 [(match_operand:SI 1 "s_register_operand" "r")
4816 (match_operand:SI 2 "arm_rhs_operand" "rI")])))
4817 (clobber (reg:CC 24))]
4820 if (GET_CODE (operands[3]) == LT && operands[3] == const0_rtx)
4821 return \"mov\\t%0, %1, asr #31\";
4823 if (GET_CODE (operands[3]) == NE)
4824 return \"subs\\t%0, %1, %2\;mvnne\\t%0, #0\";
4826 if (GET_CODE (operands[3]) == GT)
4827 return \"subs\\t%0, %1, %2\;mvnne\\t%0, %0, asr #31\";
4829 output_asm_insn (\"cmp\\t%1, %2\", operands);
4830 output_asm_insn (\"mov%D3\\t%0, #0\", operands);
4831 return \"mvn%d3\\t%0, #0\";
4833 [(set_attr "conds" "clob")
4834 (set_attr "length" "12")])
4836 (define_insn "movcond"
4837 [(set (match_operand:SI 0 "s_register_operand" "=r,r,r")
4839 (match_operator 5 "comparison_operator"
4840 [(match_operand:SI 3 "s_register_operand" "r,r,r")
4841 (match_operand:SI 4 "arm_add_operand" "rIL,rIL,rIL")])
4842 (match_operand:SI 1 "arm_rhs_operand" "0,rI,?rI")
4843 (match_operand:SI 2 "arm_rhs_operand" "rI,0,rI")))
4844 (clobber (reg:CC 24))]
4847 if (GET_CODE (operands[5]) == LT
4848 && (operands[4] == const0_rtx))
4850 if (which_alternative != 1 && GET_CODE (operands[1]) == REG)
4852 if (operands[2] == const0_rtx)
4853 return \"and\\t%0, %1, %3, asr #31\";
4854 return \"ands\\t%0, %1, %3, asr #32\;movcc\\t%0, %2\";
4856 else if (which_alternative != 0 && GET_CODE (operands[2]) == REG)
4858 if (operands[1] == const0_rtx)
4859 return \"bic\\t%0, %2, %3, asr #31\";
4860 return \"bics\\t%0, %2, %3, asr #32\;movcs\\t%0, %1\";
4862 /* The only case that falls through to here is when both ops 1 & 2
4866 if (GET_CODE (operands[5]) == GE
4867 && (operands[4] == const0_rtx))
4869 if (which_alternative != 1 && GET_CODE (operands[1]) == REG)
4871 if (operands[2] == const0_rtx)
4872 return \"bic\\t%0, %1, %3, asr #31\";
4873 return \"bics\\t%0, %1, %3, asr #32\;movcs\\t%0, %2\";
4875 else if (which_alternative != 0 && GET_CODE (operands[2]) == REG)
4877 if (operands[1] == const0_rtx)
4878 return \"and\\t%0, %2, %3, asr #31\";
4879 return \"ands\\t%0, %2, %3, asr #32\;movcc\\t%0, %1\";
4881 /* The only case that falls through to here is when both ops 1 & 2
4884 if (GET_CODE (operands[4]) == CONST_INT
4885 && !const_ok_for_arm (INTVAL (operands[4])))
4886 output_asm_insn (\"cmn\\t%3, #%n4\", operands);
4888 output_asm_insn (\"cmp\\t%3, %4\", operands);
4889 if (which_alternative != 0)
4890 output_asm_insn (\"mov%d5\\t%0, %1\", operands);
4891 if (which_alternative != 1)
4892 output_asm_insn (\"mov%D5\\t%0, %2\", operands);
4895 [(set_attr "conds" "clob")
4896 (set_attr "length" "8,8,12")])
4898 (define_insn "*ifcompare_plus_move"
4899 [(set (match_operand:SI 0 "s_register_operand" "=r,r")
4900 (if_then_else:SI (match_operator 6 "comparison_operator"
4901 [(match_operand:SI 4 "s_register_operand" "r,r")
4902 (match_operand:SI 5 "arm_add_operand" "rIL,rIL")])
4904 (match_operand:SI 2 "s_register_operand" "r,r")
4905 (match_operand:SI 3 "arm_add_operand" "rIL,rIL"))
4906 (match_operand:SI 1 "arm_rhs_operand" "0,?rI")))
4907 (clobber (reg:CC 24))]
4910 [(set_attr "conds" "clob")
4911 (set_attr "length" "8,12")])
4913 (define_insn "*if_plus_move"
4914 [(set (match_operand:SI 0 "s_register_operand" "=r,r,r,r")
4916 (match_operator 4 "comparison_operator"
4917 [(match_operand 5 "cc_register" "") (const_int 0)])
4919 (match_operand:SI 2 "s_register_operand" "r,r,r,r")
4920 (match_operand:SI 3 "arm_add_operand" "rI,L,rI,L"))
4921 (match_operand:SI 1 "arm_rhs_operand" "0,0,?rI,?rI")))]
4925 sub%d4\\t%0, %2, #%n3
4926 add%d4\\t%0, %2, %3\;mov%D4\\t%0, %1
4927 sub%d4\\t%0, %2, #%n3\;mov%D4\\t%0, %1"
4928 [(set_attr "conds" "use")
4929 (set_attr "length" "4,4,8,8")
4930 (set_attr "type" "*,*,*,*")])
4932 (define_insn "*ifcompare_move_plus"
4933 [(set (match_operand:SI 0 "s_register_operand" "=r,r")
4934 (if_then_else:SI (match_operator 6 "comparison_operator"
4935 [(match_operand:SI 4 "s_register_operand" "r,r")
4936 (match_operand:SI 5 "arm_add_operand" "rIL,rIL")])
4937 (match_operand:SI 1 "arm_rhs_operand" "0,?rI")
4939 (match_operand:SI 2 "s_register_operand" "r,r")
4940 (match_operand:SI 3 "arm_add_operand" "rIL,rIL"))))
4941 (clobber (reg:CC 24))]
4944 [(set_attr "conds" "clob")
4945 (set_attr "length" "8,12")])
4947 (define_insn "*if_move_plus"
4948 [(set (match_operand:SI 0 "s_register_operand" "=r,r,r,r")
4950 (match_operator 4 "comparison_operator"
4951 [(match_operand 5 "cc_register" "") (const_int 0)])
4952 (match_operand:SI 1 "arm_rhs_operand" "0,0,?rI,?rI")
4954 (match_operand:SI 2 "s_register_operand" "r,r,r,r")
4955 (match_operand:SI 3 "arm_add_operand" "rI,L,rI,L"))))]
4959 sub%D4\\t%0, %2, #%n3
4960 add%D4\\t%0, %2, %3\;mov%d4\\t%0, %1
4961 sub%D4\\t%0, %2, #%n3\;mov%d4\\t%0, %1"
4962 [(set_attr "conds" "use")
4963 (set_attr "length" "4,4,8,8")
4964 (set_attr "type" "*,*,*,*")])
4966 (define_insn "*ifcompare_arith_arith"
4967 [(set (match_operand:SI 0 "s_register_operand" "=r")
4968 (if_then_else:SI (match_operator 9 "comparison_operator"
4969 [(match_operand:SI 5 "s_register_operand" "r")
4970 (match_operand:SI 6 "arm_add_operand" "rIL")])
4971 (match_operator:SI 8 "shiftable_operator"
4972 [(match_operand:SI 1 "s_register_operand" "r")
4973 (match_operand:SI 2 "arm_rhs_operand" "rI")])
4974 (match_operator:SI 7 "shiftable_operator"
4975 [(match_operand:SI 3 "s_register_operand" "r")
4976 (match_operand:SI 4 "arm_rhs_operand" "rI")])))
4977 (clobber (reg:CC 24))]
4980 [(set_attr "conds" "clob")
4981 (set_attr "length" "12")])
4983 (define_insn "*if_arith_arith"
4984 [(set (match_operand:SI 0 "s_register_operand" "=r")
4985 (if_then_else:SI (match_operator 5 "comparison_operator"
4986 [(match_operand 8 "cc_register" "") (const_int 0)])
4987 (match_operator:SI 6 "shiftable_operator"
4988 [(match_operand:SI 1 "s_register_operand" "r")
4989 (match_operand:SI 2 "arm_rhs_operand" "rI")])
4990 (match_operator:SI 7 "shiftable_operator"
4991 [(match_operand:SI 3 "s_register_operand" "r")
4992 (match_operand:SI 4 "arm_rhs_operand" "rI")])))]
4994 "%I6%d5\\t%0, %1, %2\;%I7%D5\\t%0, %3, %4"
4995 [(set_attr "conds" "use")
4996 (set_attr "length" "8")])
4998 (define_insn "*ifcompare_arith_move"
4999 [(set (match_operand:SI 0 "s_register_operand" "=r,r")
5000 (if_then_else:SI (match_operator 6 "comparison_operator"
5001 [(match_operand:SI 2 "s_register_operand" "r,r")
5002 (match_operand:SI 3 "arm_add_operand" "rIL,rIL")])
5003 (match_operator:SI 7 "shiftable_operator"
5004 [(match_operand:SI 4 "s_register_operand" "r,r")
5005 (match_operand:SI 5 "arm_rhs_operand" "rI,rI")])
5006 (match_operand:SI 1 "arm_rhs_operand" "0,?rI")))
5007 (clobber (reg:CC 24))]
5010 /* If we have an operation where (op x 0) is the identity operation and
5011 the conditional operator is LT or GE and we are comparing against zero and
5012 everything is in registers then we can do this in two instructions */
5013 if (operands[3] == const0_rtx
5014 && GET_CODE (operands[7]) != AND
5015 && GET_CODE (operands[5]) == REG
5016 && GET_CODE (operands[1]) == REG
5017 && REGNO (operands[1]) == REGNO (operands[4])
5018 && REGNO (operands[4]) != REGNO (operands[0]))
5020 if (GET_CODE (operands[6]) == LT)
5021 return \"and\\t%0, %5, %2, asr #31\;%I7\\t%0, %4, %0\";
5022 else if (GET_CODE (operands[6]) == GE)
5023 return \"bic\\t%0, %5, %2, asr #31\;%I7\\t%0, %4, %0\";
5025 if (GET_CODE (operands[3]) == CONST_INT
5026 && !const_ok_for_arm (INTVAL (operands[3])))
5027 output_asm_insn (\"cmn\\t%2, #%n3\", operands);
5029 output_asm_insn (\"cmp\\t%2, %3\", operands);
5030 output_asm_insn (\"%I7%d6\\t%0, %4, %5\", operands);
5031 if (which_alternative != 0)
5032 return \"mov%D6\\t%0, %1\";
5035 [(set_attr "conds" "clob")
5036 (set_attr "length" "8,12")])
5038 (define_insn "*if_arith_move"
5039 [(set (match_operand:SI 0 "s_register_operand" "=r,r")
5040 (if_then_else:SI (match_operator 4 "comparison_operator"
5041 [(match_operand 6 "cc_register" "") (const_int 0)])
5042 (match_operator:SI 5 "shiftable_operator"
5043 [(match_operand:SI 2 "s_register_operand" "r,r")
5044 (match_operand:SI 3 "arm_rhs_operand" "rI,rI")])
5045 (match_operand:SI 1 "arm_rhs_operand" "0,?rI")))]
5049 %I5%d4\\t%0, %2, %3\;mov%D4\\t%0, %1"
5050 [(set_attr "conds" "use")
5051 (set_attr "length" "4,8")
5052 (set_attr "type" "*,*")])
5054 (define_insn "*ifcompare_move_arith"
5055 [(set (match_operand:SI 0 "s_register_operand" "=r,r")
5056 (if_then_else:SI (match_operator 6 "comparison_operator"
5057 [(match_operand:SI 4 "s_register_operand" "r,r")
5058 (match_operand:SI 5 "arm_add_operand" "rIL,rIL")])
5059 (match_operand:SI 1 "arm_rhs_operand" "0,?rI")
5060 (match_operator:SI 7 "shiftable_operator"
5061 [(match_operand:SI 2 "s_register_operand" "r,r")
5062 (match_operand:SI 3 "arm_rhs_operand" "rI,rI")])))
5063 (clobber (reg:CC 24))]
5066 /* If we have an operation where (op x 0) is the identity operation and
5067 the conditional operator is LT or GE and we are comparing against zero and
5068 everything is in registers then we can do this in two instructions */
5069 if (operands[5] == const0_rtx
5070 && GET_CODE (operands[7]) != AND
5071 && GET_CODE (operands[3]) == REG
5072 && GET_CODE (operands[1]) == REG
5073 && REGNO (operands[1]) == REGNO (operands[2])
5074 && REGNO (operands[2]) != REGNO (operands[0]))
5076 if (GET_CODE (operands[6]) == GE)
5077 return \"and\\t%0, %3, %4, asr #31\;%I7\\t%0, %2, %0\";
5078 else if (GET_CODE (operands[6]) == LT)
5079 return \"bic\\t%0, %3, %4, asr #31\;%I7\\t%0, %2, %0\";
5082 if (GET_CODE (operands[5]) == CONST_INT
5083 && !const_ok_for_arm (INTVAL (operands[5])))
5084 output_asm_insn (\"cmn\\t%4, #%n5\", operands);
5086 output_asm_insn (\"cmp\\t%4, %5\", operands);
5088 if (which_alternative != 0)
5089 output_asm_insn (\"mov%d6\\t%0, %1\", operands);
5090 return \"%I7%D6\\t%0, %2, %3\";
5092 [(set_attr "conds" "clob")
5093 (set_attr "length" "8,12")])
5095 (define_insn "*if_move_arith"
5096 [(set (match_operand:SI 0 "s_register_operand" "=r,r")
5098 (match_operator 4 "comparison_operator"
5099 [(match_operand 6 "cc_register" "") (const_int 0)])
5100 (match_operand:SI 1 "arm_rhs_operand" "0,?rI")
5101 (match_operator:SI 5 "shiftable_operator"
5102 [(match_operand:SI 2 "s_register_operand" "r,r")
5103 (match_operand:SI 3 "arm_rhs_operand" "rI,rI")])))]
5107 %I5%D4\\t%0, %2, %3\;mov%d4\\t%0, %1"
5108 [(set_attr "conds" "use")
5109 (set_attr "length" "4,8")
5110 (set_attr "type" "*,*")])
5112 (define_insn "*ifcompare_move_not"
5113 [(set (match_operand:SI 0 "s_register_operand" "=r,r")
5115 (match_operator 5 "comparison_operator"
5116 [(match_operand:SI 3 "s_register_operand" "r,r")
5117 (match_operand:SI 4 "arm_add_operand" "rIL,rIL")])
5118 (match_operand:SI 1 "arm_not_operand" "0,?rIK")
5120 (match_operand:SI 2 "s_register_operand" "r,r"))))
5121 (clobber (reg:CC 24))]
5124 [(set_attr "conds" "clob")
5125 (set_attr "length" "8,12")])
5127 (define_insn "*if_move_not"
5128 [(set (match_operand:SI 0 "s_register_operand" "=r,r,r")
5130 (match_operator 4 "comparison_operator"
5131 [(match_operand 3 "cc_register" "") (const_int 0)])
5132 (match_operand:SI 1 "arm_not_operand" "0,?rI,K")
5133 (not:SI (match_operand:SI 2 "s_register_operand" "r,r,r"))))]
5137 mov%d4\\t%0, %1\;mvn%D4\\t%0, %2
5138 mvn%d4\\t%0, #%B1\;mvn%D4\\t%0, %2"
5139 [(set_attr "conds" "use")
5140 (set_attr "length" "4,8,8")])
5142 (define_insn "*ifcompare_not_move"
5143 [(set (match_operand:SI 0 "s_register_operand" "=r,r")
5145 (match_operator 5 "comparison_operator"
5146 [(match_operand:SI 3 "s_register_operand" "r,r")
5147 (match_operand:SI 4 "arm_add_operand" "rIL,rIL")])
5149 (match_operand:SI 2 "s_register_operand" "r,r"))
5150 (match_operand:SI 1 "arm_not_operand" "0,?rIK")))
5151 (clobber (reg:CC 24))]
5154 [(set_attr "conds" "clob")
5155 (set_attr "length" "8,12")])
5157 (define_insn "*if_not_move"
5158 [(set (match_operand:SI 0 "s_register_operand" "=r,r,r")
5160 (match_operator 4 "comparison_operator"
5161 [(match_operand 3 "cc_register" "") (const_int 0)])
5162 (not:SI (match_operand:SI 2 "s_register_operand" "r,r,r"))
5163 (match_operand:SI 1 "arm_not_operand" "0,?rI,K")))]
5167 mov%D4\\t%0, %1\;mvn%d4\\t%0, %2
5168 mvn%D4\\t%0, #%B1\;mvn%d4\\t%0, %2"
5169 [(set_attr "conds" "use")
5170 (set_attr "length" "4,8,8")])
5172 (define_insn "*ifcompare_shift_move"
5173 [(set (match_operand:SI 0 "s_register_operand" "=r,r")
5175 (match_operator 6 "comparison_operator"
5176 [(match_operand:SI 4 "s_register_operand" "r,r")
5177 (match_operand:SI 5 "arm_add_operand" "rIL,rIL")])
5178 (match_operator:SI 7 "shift_operator"
5179 [(match_operand:SI 2 "s_register_operand" "r,r")
5180 (match_operand:SI 3 "arm_rhs_operand" "rM,rM")])
5181 (match_operand:SI 1 "arm_not_operand" "0,?rIK")))
5182 (clobber (reg:CC 24))]
5185 [(set_attr "conds" "clob")
5186 (set_attr "length" "8,12")])
5188 (define_insn "*if_shift_move"
5189 [(set (match_operand:SI 0 "s_register_operand" "=r,r,r")
5191 (match_operator 5 "comparison_operator"
5192 [(match_operand 6 "cc_register" "") (const_int 0)])
5193 (match_operator:SI 4 "shift_operator"
5194 [(match_operand:SI 2 "s_register_operand" "r,r,r")
5195 (match_operand:SI 3 "arm_rhs_operand" "rM,rM,rM")])
5196 (match_operand:SI 1 "arm_not_operand" "0,?rI,K")))]
5200 mov%D5\\t%0, %1\;mov%d5\\t%0, %2%S4
5201 mvn%D5\\t%0, #%B1\;mov%d5\\t%0, %2%S4"
5202 [(set_attr "conds" "use")
5203 (set_attr "length" "4,8,8")])
5205 (define_insn "*ifcompare_move_shift"
5206 [(set (match_operand:SI 0 "s_register_operand" "=r,r")
5208 (match_operator 6 "comparison_operator"
5209 [(match_operand:SI 4 "s_register_operand" "r,r")
5210 (match_operand:SI 5 "arm_add_operand" "rIL,rIL")])
5211 (match_operand:SI 1 "arm_not_operand" "0,?rIK")
5212 (match_operator:SI 7 "shift_operator"
5213 [(match_operand:SI 2 "s_register_operand" "r,r")
5214 (match_operand:SI 3 "arm_rhs_operand" "rM,rM")])))
5215 (clobber (reg:CC 24))]
5218 [(set_attr "conds" "clob")
5219 (set_attr "length" "8,12")])
5221 (define_insn "*if_move_shift"
5222 [(set (match_operand:SI 0 "s_register_operand" "=r,r,r")
5224 (match_operator 5 "comparison_operator"
5225 [(match_operand 6 "cc_register" "") (const_int 0)])
5226 (match_operand:SI 1 "arm_not_operand" "0,?rI,K")
5227 (match_operator:SI 4 "shift_operator"
5228 [(match_operand:SI 2 "s_register_operand" "r,r,r")
5229 (match_operand:SI 3 "arm_rhs_operand" "rM,rM,rM")])))]
5233 mov%d5\\t%0, %1\;mov%D5\\t%0, %2%S4
5234 mvn%d5\\t%0, #%B1\;mov%D5\\t%0, %2%S4"
5235 [(set_attr "conds" "use")
5236 (set_attr "length" "4,8,8")])
5238 (define_insn "*ifcompare_shift_shift"
5239 [(set (match_operand:SI 0 "s_register_operand" "=r")
5241 (match_operator 7 "comparison_operator"
5242 [(match_operand:SI 5 "s_register_operand" "r")
5243 (match_operand:SI 6 "arm_add_operand" "rIL")])
5244 (match_operator:SI 8 "shift_operator"
5245 [(match_operand:SI 1 "s_register_operand" "r")
5246 (match_operand:SI 2 "arm_rhs_operand" "rM")])
5247 (match_operator:SI 9 "shift_operator"
5248 [(match_operand:SI 3 "s_register_operand" "r")
5249 (match_operand:SI 4 "arm_rhs_operand" "rM")])))
5250 (clobber (reg:CC 24))]
5253 [(set_attr "conds" "clob")
5254 (set_attr "length" "12")])
5256 (define_insn "*if_shift_shift"
5257 [(set (match_operand:SI 0 "s_register_operand" "=r")
5259 (match_operator 5 "comparison_operator"
5260 [(match_operand 8 "cc_register" "") (const_int 0)])
5261 (match_operator:SI 6 "shift_operator"
5262 [(match_operand:SI 1 "s_register_operand" "r")
5263 (match_operand:SI 2 "arm_rhs_operand" "rM")])
5264 (match_operator:SI 7 "shift_operator"
5265 [(match_operand:SI 3 "s_register_operand" "r")
5266 (match_operand:SI 4 "arm_rhs_operand" "rM")])))]
5268 "mov%d5\\t%0, %1%S6\;mov%D5\\t%0, %3%S7"
5269 [(set_attr "conds" "use")
5270 (set_attr "length" "8")])
5272 (define_insn "*ifcompare_not_arith"
5273 [(set (match_operand:SI 0 "s_register_operand" "=r")
5275 (match_operator 6 "comparison_operator"
5276 [(match_operand:SI 4 "s_register_operand" "r")
5277 (match_operand:SI 5 "arm_add_operand" "rIL")])
5278 (not:SI (match_operand:SI 1 "s_register_operand" "r"))
5279 (match_operator:SI 7 "shiftable_operator"
5280 [(match_operand:SI 2 "s_register_operand" "r")
5281 (match_operand:SI 3 "arm_rhs_operand" "rI")])))
5282 (clobber (reg:CC 24))]
5285 [(set_attr "conds" "clob")
5286 (set_attr "length" "12")])
5288 (define_insn "*if_not_arith"
5289 [(set (match_operand:SI 0 "s_register_operand" "=r")
5291 (match_operator 5 "comparison_operator"
5292 [(match_operand 4 "cc_register" "") (const_int 0)])
5293 (not:SI (match_operand:SI 1 "s_register_operand" "r"))
5294 (match_operator:SI 6 "shiftable_operator"
5295 [(match_operand:SI 2 "s_register_operand" "r")
5296 (match_operand:SI 3 "arm_rhs_operand" "rI")])))]
5298 "mvn%d5\\t%0, %1\;%I6%D5\\t%0, %2, %3"
5299 [(set_attr "conds" "use")
5300 (set_attr "length" "8")])
5302 (define_insn "*ifcompare_arith_not"
5303 [(set (match_operand:SI 0 "s_register_operand" "=r")
5305 (match_operator 6 "comparison_operator"
5306 [(match_operand:SI 4 "s_register_operand" "r")
5307 (match_operand:SI 5 "arm_add_operand" "rIL")])
5308 (match_operator:SI 7 "shiftable_operator"
5309 [(match_operand:SI 2 "s_register_operand" "r")
5310 (match_operand:SI 3 "arm_rhs_operand" "rI")])
5311 (not:SI (match_operand:SI 1 "s_register_operand" "r"))))
5312 (clobber (reg:CC 24))]
5315 [(set_attr "conds" "clob")
5316 (set_attr "length" "12")])
5318 (define_insn "*if_arith_not"
5319 [(set (match_operand:SI 0 "s_register_operand" "=r")
5321 (match_operator 5 "comparison_operator"
5322 [(match_operand 4 "cc_register" "") (const_int 0)])
5323 (match_operator:SI 6 "shiftable_operator"
5324 [(match_operand:SI 2 "s_register_operand" "r")
5325 (match_operand:SI 3 "arm_rhs_operand" "rI")])
5326 (not:SI (match_operand:SI 1 "s_register_operand" "r"))))]
5328 "mvn%D5\\t%0, %1\;%I6%d5\\t%0, %2, %3"
5329 [(set_attr "conds" "use")
5330 (set_attr "length" "8")])
5332 (define_insn "*ifcompare_neg_move"
5333 [(set (match_operand:SI 0 "s_register_operand" "=r,r")
5335 (match_operator 5 "comparison_operator"
5336 [(match_operand:SI 3 "s_register_operand" "r,r")
5337 (match_operand:SI 4 "arm_add_operand" "rIL,rIL")])
5338 (neg:SI (match_operand:SI 2 "s_register_operand" "r,r"))
5339 (match_operand:SI 1 "arm_not_operand" "0,?rIK")))
5340 (clobber (reg:CC 24))]
5343 [(set_attr "conds" "clob")
5344 (set_attr "length" "8,12")])
5346 (define_insn "*if_neg_move"
5347 [(set (match_operand:SI 0 "s_register_operand" "=r,r,r")
5349 (match_operator 4 "comparison_operator"
5350 [(match_operand 3 "cc_register" "") (const_int 0)])
5351 (neg:SI (match_operand:SI 2 "s_register_operand" "r,r,r"))
5352 (match_operand:SI 1 "arm_not_operand" "0,?rI,K")))]
5356 mov%D4\\t%0, %1\;rsb%d4\\t%0, %2, #0
5357 mvn%D4\\t%0, #%B1\;rsb%d4\\t%0, %2, #0"
5358 [(set_attr "conds" "use")
5359 (set_attr "length" "4,8,8")])
5361 (define_insn "*ifcompare_move_neg"
5362 [(set (match_operand:SI 0 "s_register_operand" "=r,r")
5364 (match_operator 5 "comparison_operator"
5365 [(match_operand:SI 3 "s_register_operand" "r,r")
5366 (match_operand:SI 4 "arm_add_operand" "rIL,rIL")])
5367 (match_operand:SI 1 "arm_not_operand" "0,?rIK")
5368 (neg:SI (match_operand:SI 2 "s_register_operand" "r,r"))))
5369 (clobber (reg:CC 24))]
5372 [(set_attr "conds" "clob")
5373 (set_attr "length" "8,12")])
5375 (define_insn "*if_move_neg"
5376 [(set (match_operand:SI 0 "s_register_operand" "=r,r,r")
5378 (match_operator 4 "comparison_operator"
5379 [(match_operand 3 "cc_register" "") (const_int 0)])
5380 (match_operand:SI 1 "arm_not_operand" "0,?rI,K")
5381 (neg:SI (match_operand:SI 2 "s_register_operand" "r,r,r"))))]
5385 mov%d4\\t%0, %1\;rsb%D4\\t%0, %2, #0
5386 mvn%d4\\t%0, #%B1\;rsb%D4\\t%0, %2, #0"
5387 [(set_attr "conds" "use")
5388 (set_attr "length" "4,8,8")])
5390 (define_insn "*arith_adjacentmem"
5391 [(set (match_operand:SI 0 "s_register_operand" "=r")
5392 (match_operator:SI 1 "shiftable_operator"
5393 [(match_operand:SI 2 "memory_operand" "m")
5394 (match_operand:SI 3 "memory_operand" "m")]))
5395 (clobber (match_scratch:SI 4 "=r"))]
5396 "adjacent_mem_locations (operands[2], operands[3])"
5401 int val1 = 0, val2 = 0;
5403 if (REGNO (operands[0]) > REGNO (operands[4]))
5405 ldm[1] = operands[4];
5406 ldm[2] = operands[0];
5410 ldm[1] = operands[0];
5411 ldm[2] = operands[4];
5413 if (GET_CODE (XEXP (operands[2], 0)) != REG)
5414 val1 = INTVAL (XEXP (XEXP (operands[2], 0), 1));
5415 if (GET_CODE (XEXP (operands[3], 0)) != REG)
5416 val2 = INTVAL (XEXP (XEXP (operands[3], 0), 1));
5417 arith[0] = operands[0];
5418 arith[3] = operands[1];
5432 ldm[0] = ops[0] = operands[4];
5433 ops[1] = XEXP (XEXP (operands[2], 0), 0);
5434 ops[2] = XEXP (XEXP (operands[2], 0), 1);
5435 output_add_immediate (ops);
5437 output_asm_insn (\"ldm%?ia\\t%0, {%1, %2}\", ldm);
5439 output_asm_insn (\"ldm%?da\\t%0, {%1, %2}\", ldm);
5443 ldm[0] = XEXP (operands[3], 0);
5445 output_asm_insn (\"ldm%?da\\t%0, {%1, %2}\", ldm);
5447 output_asm_insn (\"ldm%?ia\\t%0, {%1, %2}\", ldm);
5451 ldm[0] = XEXP (operands[2], 0);
5453 output_asm_insn (\"ldm%?ia\\t%0, {%1, %2}\", ldm);
5455 output_asm_insn (\"ldm%?da\\t%0, {%1, %2}\", ldm);
5457 output_asm_insn (\"%I3%?\\t%0, %1, %2\", arith);
5461 [(set_attr "length" "12")
5462 (set_attr "type" "load")])
5464 ;; the arm can support extended pre-inc instructions
5466 ;; In all these cases, we use operands 0 and 1 for the register being
5467 ;; incremented because those are the operands that local-alloc will
5468 ;; tie and these are the pair most likely to be tieable (and the ones
5469 ;; that will benefit the most).
5471 ;; We reject the frame pointer if it occurs anywhere in these patterns since
5472 ;; elimination will cause too many headaches.
5474 (define_insn "*strqi_preinc"
5475 [(set (mem:QI (plus:SI (match_operand:SI 1 "s_register_operand" "%0")
5476 (match_operand:SI 2 "index_operand" "rJ")))
5477 (match_operand:QI 3 "s_register_operand" "r"))
5478 (set (match_operand:SI 0 "s_register_operand" "=r")
5479 (plus:SI (match_dup 1) (match_dup 2)))]
5480 "REGNO (operands[0]) != FRAME_POINTER_REGNUM
5481 && REGNO (operands[1]) != FRAME_POINTER_REGNUM
5482 && (GET_CODE (operands[2]) != REG
5483 || REGNO (operands[2]) != FRAME_POINTER_REGNUM)"
5484 "str%?b\\t%3, [%0, %2]!"
5485 [(set_attr "type" "store1")])
5487 (define_insn "*strqi_predec"
5488 [(set (mem:QI (minus:SI (match_operand:SI 1 "s_register_operand" "0")
5489 (match_operand:SI 2 "s_register_operand" "r")))
5490 (match_operand:QI 3 "s_register_operand" "r"))
5491 (set (match_operand:SI 0 "s_register_operand" "=r")
5492 (minus:SI (match_dup 1) (match_dup 2)))]
5493 "REGNO (operands[0]) != FRAME_POINTER_REGNUM
5494 && REGNO (operands[1]) != FRAME_POINTER_REGNUM
5495 && (GET_CODE (operands[2]) != REG
5496 || REGNO (operands[2]) != FRAME_POINTER_REGNUM)"
5497 "str%?b\\t%3, [%0, -%2]!"
5498 [(set_attr "type" "store1")])
5500 (define_insn "*loadqi_preinc"
5501 [(set (match_operand:QI 3 "s_register_operand" "=r")
5502 (mem:QI (plus:SI (match_operand:SI 1 "s_register_operand" "%0")
5503 (match_operand:SI 2 "index_operand" "rJ"))))
5504 (set (match_operand:SI 0 "s_register_operand" "=r")
5505 (plus:SI (match_dup 1) (match_dup 2)))]
5506 "REGNO (operands[0]) != FRAME_POINTER_REGNUM
5507 && REGNO (operands[1]) != FRAME_POINTER_REGNUM
5508 && (GET_CODE (operands[2]) != REG
5509 || REGNO (operands[2]) != FRAME_POINTER_REGNUM)"
5510 "ldr%?b\\t%3, [%0, %2]!"
5511 [(set_attr "type" "load")])
5513 (define_insn "*loadqi_predec"
5514 [(set (match_operand:QI 3 "s_register_operand" "=r")
5515 (mem:QI (minus:SI (match_operand:SI 1 "s_register_operand" "0")
5516 (match_operand:SI 2 "s_register_operand" "r"))))
5517 (set (match_operand:SI 0 "s_register_operand" "=r")
5518 (minus:SI (match_dup 1) (match_dup 2)))]
5519 "REGNO (operands[0]) != FRAME_POINTER_REGNUM
5520 && REGNO (operands[1]) != FRAME_POINTER_REGNUM
5521 && (GET_CODE (operands[2]) != REG
5522 || REGNO (operands[2]) != FRAME_POINTER_REGNUM)"
5523 "ldr%?b\\t%3, [%0, -%2]!"
5524 [(set_attr "type" "load")])
5526 (define_insn "*loadqisi_preinc"
5527 [(set (match_operand:SI 3 "s_register_operand" "=r")
5529 (mem:QI (plus:SI (match_operand:SI 1 "s_register_operand" "%0")
5530 (match_operand:SI 2 "index_operand" "rJ")))))
5531 (set (match_operand:SI 0 "s_register_operand" "=r")
5532 (plus:SI (match_dup 1) (match_dup 2)))]
5533 "REGNO (operands[0]) != FRAME_POINTER_REGNUM
5534 && REGNO (operands[1]) != FRAME_POINTER_REGNUM
5535 && (GET_CODE (operands[2]) != REG
5536 || REGNO (operands[2]) != FRAME_POINTER_REGNUM)"
5537 "ldr%?b\\t%3, [%0, %2]!\\t%@ z_extendqisi"
5538 [(set_attr "type" "load")])
5540 (define_insn "*loadqisi_predec"
5541 [(set (match_operand:SI 3 "s_register_operand" "=r")
5543 (mem:QI (minus:SI (match_operand:SI 1 "s_register_operand" "0")
5544 (match_operand:SI 2 "s_register_operand" "r")))))
5545 (set (match_operand:SI 0 "s_register_operand" "=r")
5546 (minus:SI (match_dup 1) (match_dup 2)))]
5547 "REGNO (operands[0]) != FRAME_POINTER_REGNUM
5548 && REGNO (operands[1]) != FRAME_POINTER_REGNUM
5549 && (GET_CODE (operands[2]) != REG
5550 || REGNO (operands[2]) != FRAME_POINTER_REGNUM)"
5551 "ldr%?b\\t%3, [%0, -%2]!\\t%@ z_extendqisi"
5552 [(set_attr "type" "load")])
5554 (define_insn "*strsi_preinc"
5555 [(set (mem:SI (plus:SI (match_operand:SI 1 "s_register_operand" "%0")
5556 (match_operand:SI 2 "index_operand" "rJ")))
5557 (match_operand:SI 3 "s_register_operand" "r"))
5558 (set (match_operand:SI 0 "s_register_operand" "=r")
5559 (plus:SI (match_dup 1) (match_dup 2)))]
5560 "REGNO (operands[0]) != FRAME_POINTER_REGNUM
5561 && REGNO (operands[1]) != FRAME_POINTER_REGNUM
5562 && (GET_CODE (operands[2]) != REG
5563 || REGNO (operands[2]) != FRAME_POINTER_REGNUM)"
5564 "str%?\\t%3, [%0, %2]!"
5565 [(set_attr "type" "store1")])
5567 (define_insn "*strqi_predec"
5568 [(set (mem:SI (minus:SI (match_operand:SI 1 "s_register_operand" "0")
5569 (match_operand:SI 2 "s_register_operand" "r")))
5570 (match_operand:SI 3 "s_register_operand" "r"))
5571 (set (match_operand:SI 0 "s_register_operand" "=r")
5572 (minus:SI (match_dup 1) (match_dup 2)))]
5573 "REGNO (operands[0]) != FRAME_POINTER_REGNUM
5574 && REGNO (operands[1]) != FRAME_POINTER_REGNUM
5575 && (GET_CODE (operands[2]) != REG
5576 || REGNO (operands[2]) != FRAME_POINTER_REGNUM)"
5577 "str%?\\t%3, [%0, -%2]!"
5578 [(set_attr "type" "store1")])
5580 (define_insn "*loadsi_preinc"
5581 [(set (match_operand:SI 3 "s_register_operand" "=r")
5582 (mem:SI (plus:SI (match_operand:SI 1 "s_register_operand" "%0")
5583 (match_operand:SI 2 "index_operand" "rJ"))))
5584 (set (match_operand:SI 0 "s_register_operand" "=r")
5585 (plus:SI (match_dup 1) (match_dup 2)))]
5586 "REGNO (operands[0]) != FRAME_POINTER_REGNUM
5587 && REGNO (operands[1]) != FRAME_POINTER_REGNUM
5588 && (GET_CODE (operands[2]) != REG
5589 || REGNO (operands[2]) != FRAME_POINTER_REGNUM)"
5590 "ldr%?\\t%3, [%0, %2]!"
5591 [(set_attr "type" "load")])
5593 (define_insn "*loadsi_predec"
5594 [(set (match_operand:SI 3 "s_register_operand" "=r")
5595 (mem:SI (minus:SI (match_operand:SI 1 "s_register_operand" "0")
5596 (match_operand:SI 2 "s_register_operand" "r"))))
5597 (set (match_operand:SI 0 "s_register_operand" "=r")
5598 (minus:SI (match_dup 1) (match_dup 2)))]
5599 "REGNO (operands[0]) != FRAME_POINTER_REGNUM
5600 && REGNO (operands[1]) != FRAME_POINTER_REGNUM
5601 && (GET_CODE (operands[2]) != REG
5602 || REGNO (operands[2]) != FRAME_POINTER_REGNUM)"
5603 "ldr%?\\t%3, [%0, -%2]!"
5604 [(set_attr "type" "load")])
5606 (define_insn "*loadhi_preinc"
5607 [(set (match_operand:HI 3 "s_register_operand" "=r")
5608 (mem:HI (plus:SI (match_operand:SI 1 "s_register_operand" "%0")
5609 (match_operand:SI 2 "index_operand" "rJ"))))
5610 (set (match_operand:SI 0 "s_register_operand" "=r")
5611 (plus:SI (match_dup 1) (match_dup 2)))]
5612 "(! BYTES_BIG_ENDIAN)
5613 && ! TARGET_SHORT_BY_BYTES
5614 && REGNO (operands[0]) != FRAME_POINTER_REGNUM
5615 && REGNO (operands[1]) != FRAME_POINTER_REGNUM
5616 && (GET_CODE (operands[2]) != REG
5617 || REGNO (operands[2]) != FRAME_POINTER_REGNUM)"
5618 "ldr%?\\t%3, [%0, %2]!\\t%@ loadhi"
5619 [(set_attr "type" "load")])
5621 (define_insn "*loadhi_predec"
5622 [(set (match_operand:HI 3 "s_register_operand" "=r")
5623 (mem:HI (minus:SI (match_operand:SI 1 "s_register_operand" "0")
5624 (match_operand:SI 2 "s_register_operand" "r"))))
5625 (set (match_operand:SI 0 "s_register_operand" "=r")
5626 (minus:SI (match_dup 1) (match_dup 2)))]
5627 "(!BYTES_BIG_ENDIAN)
5628 && ! TARGET_SHORT_BY_BYTES
5629 && REGNO (operands[0]) != FRAME_POINTER_REGNUM
5630 && REGNO (operands[1]) != FRAME_POINTER_REGNUM
5631 && (GET_CODE (operands[2]) != REG
5632 || REGNO (operands[2]) != FRAME_POINTER_REGNUM)"
5633 "ldr%?\\t%3, [%0, -%2]!\\t%@ loadhi"
5634 [(set_attr "type" "load")])
5636 (define_insn "*strqi_shiftpreinc"
5637 [(set (mem:QI (plus:SI (match_operator:SI 2 "shift_operator"
5638 [(match_operand:SI 3 "s_register_operand" "r")
5639 (match_operand:SI 4 "const_shift_operand" "n")])
5640 (match_operand:SI 1 "s_register_operand" "0")))
5641 (match_operand:QI 5 "s_register_operand" "r"))
5642 (set (match_operand:SI 0 "s_register_operand" "=r")
5643 (plus:SI (match_op_dup 2 [(match_dup 3) (match_dup 4)])
5645 "REGNO (operands[0]) != FRAME_POINTER_REGNUM
5646 && REGNO (operands[1]) != FRAME_POINTER_REGNUM
5647 && REGNO (operands[3]) != FRAME_POINTER_REGNUM"
5648 "str%?b\\t%5, [%0, %3%S2]!"
5649 [(set_attr "type" "store1")])
5651 (define_insn "*strqi_shiftpredec"
5652 [(set (mem:QI (minus:SI (match_operand:SI 1 "s_register_operand" "0")
5653 (match_operator:SI 2 "shift_operator"
5654 [(match_operand:SI 3 "s_register_operand" "r")
5655 (match_operand:SI 4 "const_shift_operand" "n")])))
5656 (match_operand:QI 5 "s_register_operand" "r"))
5657 (set (match_operand:SI 0 "s_register_operand" "=r")
5658 (minus:SI (match_dup 1) (match_op_dup 2 [(match_dup 3)
5660 "REGNO (operands[0]) != FRAME_POINTER_REGNUM
5661 && REGNO (operands[1]) != FRAME_POINTER_REGNUM
5662 && REGNO (operands[3]) != FRAME_POINTER_REGNUM"
5663 "str%?b\\t%5, [%0, -%3%S2]!"
5664 [(set_attr "type" "store1")])
5666 (define_insn "*loadqi_shiftpreinc"
5667 [(set (match_operand:QI 5 "s_register_operand" "=r")
5668 (mem:QI (plus:SI (match_operator:SI 2 "shift_operator"
5669 [(match_operand:SI 3 "s_register_operand" "r")
5670 (match_operand:SI 4 "const_shift_operand" "n")])
5671 (match_operand:SI 1 "s_register_operand" "0"))))
5672 (set (match_operand:SI 0 "s_register_operand" "=r")
5673 (plus:SI (match_op_dup 2 [(match_dup 3) (match_dup 4)])
5675 "REGNO (operands[0]) != FRAME_POINTER_REGNUM
5676 && REGNO (operands[1]) != FRAME_POINTER_REGNUM
5677 && REGNO (operands[3]) != FRAME_POINTER_REGNUM"
5678 "ldr%?b\\t%5, [%0, %3%S2]!"
5679 [(set_attr "type" "load")])
5681 (define_insn "*loadqi_shiftpredec"
5682 [(set (match_operand:QI 5 "s_register_operand" "=r")
5683 (mem:QI (minus:SI (match_operand:SI 1 "s_register_operand" "0")
5684 (match_operator:SI 2 "shift_operator"
5685 [(match_operand:SI 3 "s_register_operand" "r")
5686 (match_operand:SI 4 "const_shift_operand" "n")]))))
5687 (set (match_operand:SI 0 "s_register_operand" "=r")
5688 (minus:SI (match_dup 1) (match_op_dup 2 [(match_dup 3)
5690 "REGNO (operands[0]) != FRAME_POINTER_REGNUM
5691 && REGNO (operands[1]) != FRAME_POINTER_REGNUM
5692 && REGNO (operands[3]) != FRAME_POINTER_REGNUM"
5693 "ldr%?b\\t%5, [%0, -%3%S2]!"
5694 [(set_attr "type" "load")])
5696 (define_insn "*strsi_shiftpreinc"
5697 [(set (mem:SI (plus:SI (match_operator:SI 2 "shift_operator"
5698 [(match_operand:SI 3 "s_register_operand" "r")
5699 (match_operand:SI 4 "const_shift_operand" "n")])
5700 (match_operand:SI 1 "s_register_operand" "0")))
5701 (match_operand:SI 5 "s_register_operand" "r"))
5702 (set (match_operand:SI 0 "s_register_operand" "=r")
5703 (plus:SI (match_op_dup 2 [(match_dup 3) (match_dup 4)])
5705 "REGNO (operands[0]) != FRAME_POINTER_REGNUM
5706 && REGNO (operands[1]) != FRAME_POINTER_REGNUM
5707 && REGNO (operands[3]) != FRAME_POINTER_REGNUM"
5708 "str%?\\t%5, [%0, %3%S2]!"
5709 [(set_attr "type" "store1")])
5711 (define_insn "*strsi_shiftpredec"
5712 [(set (mem:SI (minus:SI (match_operand:SI 1 "s_register_operand" "0")
5713 (match_operator:SI 2 "shift_operator"
5714 [(match_operand:SI 3 "s_register_operand" "r")
5715 (match_operand:SI 4 "const_shift_operand" "n")])))
5716 (match_operand:SI 5 "s_register_operand" "r"))
5717 (set (match_operand:SI 0 "s_register_operand" "=r")
5718 (minus:SI (match_dup 1) (match_op_dup 2 [(match_dup 3)
5720 "REGNO (operands[0]) != FRAME_POINTER_REGNUM
5721 && REGNO (operands[1]) != FRAME_POINTER_REGNUM
5722 && REGNO (operands[3]) != FRAME_POINTER_REGNUM"
5723 "str%?\\t%5, [%0, -%3%S2]!"
5724 [(set_attr "type" "store1")])
5726 (define_insn "*loadqi_shiftpreinc"
5727 [(set (match_operand:SI 5 "s_register_operand" "=r")
5728 (mem:SI (plus:SI (match_operator:SI 2 "shift_operator"
5729 [(match_operand:SI 3 "s_register_operand" "r")
5730 (match_operand:SI 4 "const_shift_operand" "n")])
5731 (match_operand:SI 1 "s_register_operand" "0"))))
5732 (set (match_operand:SI 0 "s_register_operand" "=r")
5733 (plus:SI (match_op_dup 2 [(match_dup 3) (match_dup 4)])
5735 "REGNO (operands[0]) != FRAME_POINTER_REGNUM
5736 && REGNO (operands[1]) != FRAME_POINTER_REGNUM
5737 && REGNO (operands[3]) != FRAME_POINTER_REGNUM"
5738 "ldr%?\\t%5, [%0, %3%S2]!"
5739 [(set_attr "type" "load")])
5741 (define_insn "*loadqi_shiftpredec"
5742 [(set (match_operand:SI 5 "s_register_operand" "=r")
5743 (mem:SI (minus:SI (match_operand:SI 1 "s_register_operand" "0")
5744 (match_operator:SI 2 "shift_operator"
5745 [(match_operand:SI 3 "s_register_operand" "r")
5746 (match_operand:SI 4 "const_shift_operand" "n")]))))
5747 (set (match_operand:SI 0 "s_register_operand" "=r")
5748 (minus:SI (match_dup 1) (match_op_dup 2 [(match_dup 3)
5750 "REGNO (operands[0]) != FRAME_POINTER_REGNUM
5751 && REGNO (operands[1]) != FRAME_POINTER_REGNUM
5752 && REGNO (operands[3]) != FRAME_POINTER_REGNUM"
5753 "ldr%?\\t%5, [%0, -%3%S2]!"
5754 [(set_attr "type" "load")])
5756 (define_insn "*loadhi_shiftpreinc"
5757 [(set (match_operand:HI 5 "s_register_operand" "=r")
5758 (mem:HI (plus:SI (match_operator:SI 2 "shift_operator"
5759 [(match_operand:SI 3 "s_register_operand" "r")
5760 (match_operand:SI 4 "const_shift_operand" "n")])
5761 (match_operand:SI 1 "s_register_operand" "0"))))
5762 (set (match_operand:SI 0 "s_register_operand" "=r")
5763 (plus:SI (match_op_dup 2 [(match_dup 3) (match_dup 4)])
5765 "(! BYTES_BIG_ENDIAN)
5766 && ! TARGET_SHORT_BY_BYTES
5767 && REGNO (operands[0]) != FRAME_POINTER_REGNUM
5768 && REGNO (operands[1]) != FRAME_POINTER_REGNUM
5769 && REGNO (operands[3]) != FRAME_POINTER_REGNUM"
5770 "ldr%?\\t%5, [%0, %3%S2]!\\t%@ loadhi"
5771 [(set_attr "type" "load")])
5773 (define_insn "*loadhi_shiftpredec"
5774 [(set (match_operand:HI 5 "s_register_operand" "=r")
5775 (mem:HI (minus:SI (match_operand:SI 1 "s_register_operand" "0")
5776 (match_operator:SI 2 "shift_operator"
5777 [(match_operand:SI 3 "s_register_operand" "r")
5778 (match_operand:SI 4 "const_shift_operand" "n")]))))
5779 (set (match_operand:SI 0 "s_register_operand" "=r")
5780 (minus:SI (match_dup 1) (match_op_dup 2 [(match_dup 3)
5782 "(! BYTES_BIG_ENDIAN)
5783 && ! TARGET_SHORT_BY_BYTES
5784 && REGNO (operands[0]) != FRAME_POINTER_REGNUM
5785 && REGNO (operands[1]) != FRAME_POINTER_REGNUM
5786 && REGNO (operands[3]) != FRAME_POINTER_REGNUM"
5787 "ldr%?\\t%5, [%0, -%3%S2]!\\t%@ loadhi"
5788 [(set_attr "type" "load")])
5790 ; It can also support extended post-inc expressions, but combine doesn't
5792 ; It doesn't seem worth adding peepholes for anything but the most common
5793 ; cases since, unlike combine, the increment must immediately follow the load
5794 ; for this pattern to match.
5795 ; When loading we must watch to see that the base register isn't trampled by
5796 ; the load. In such cases this isn't a post-inc expression.
5799 [(set (mem:QI (match_operand:SI 0 "s_register_operand" "+r"))
5800 (match_operand:QI 2 "s_register_operand" "r"))
5802 (plus:SI (match_dup 0) (match_operand:SI 1 "index_operand" "rJ")))]
5804 "str%?b\\t%2, [%0], %1")
5807 [(set (match_operand:QI 0 "s_register_operand" "=r")
5808 (mem:QI (match_operand:SI 1 "s_register_operand" "+r")))
5810 (plus:SI (match_dup 1) (match_operand:SI 2 "index_operand" "rJ")))]
5811 "REGNO(operands[0]) != REGNO(operands[1])
5812 && (GET_CODE (operands[2]) != REG
5813 || REGNO(operands[0]) != REGNO (operands[2]))"
5814 "ldr%?b\\t%0, [%1], %2")
5817 [(set (mem:SI (match_operand:SI 0 "s_register_operand" "+r"))
5818 (match_operand:SI 2 "s_register_operand" "r"))
5820 (plus:SI (match_dup 0) (match_operand:SI 1 "index_operand" "rJ")))]
5822 "str%?\\t%2, [%0], %1")
5825 [(set (match_operand:HI 0 "s_register_operand" "=r")
5826 (mem:HI (match_operand:SI 1 "s_register_operand" "+r")))
5828 (plus:SI (match_dup 1) (match_operand:SI 2 "index_operand" "rJ")))]
5829 "(! BYTES_BIG_ENDIAN)
5830 && ! TARGET_SHORT_BY_BYTES
5831 && REGNO(operands[0]) != REGNO(operands[1])
5832 && (GET_CODE (operands[2]) != REG
5833 || REGNO(operands[0]) != REGNO (operands[2]))"
5834 "ldr%?\\t%0, [%1], %2\\t%@ loadhi")
5837 [(set (match_operand:SI 0 "s_register_operand" "=r")
5838 (mem:SI (match_operand:SI 1 "s_register_operand" "+r")))
5840 (plus:SI (match_dup 1) (match_operand:SI 2 "index_operand" "rJ")))]
5841 "REGNO(operands[0]) != REGNO(operands[1])
5842 && (GET_CODE (operands[2]) != REG
5843 || REGNO(operands[0]) != REGNO (operands[2]))"
5844 "ldr%?\\t%0, [%1], %2")
5847 [(set (mem:QI (plus:SI (match_operand:SI 0 "s_register_operand" "+r")
5848 (match_operand:SI 1 "index_operand" "rJ")))
5849 (match_operand:QI 2 "s_register_operand" "r"))
5850 (set (match_dup 0) (plus:SI (match_dup 0) (match_dup 1)))]
5852 "str%?b\\t%2, [%0, %1]!")
5855 [(set (mem:QI (plus:SI (match_operator:SI 4 "shift_operator"
5856 [(match_operand:SI 0 "s_register_operand" "r")
5857 (match_operand:SI 1 "const_int_operand" "n")])
5858 (match_operand:SI 2 "s_register_operand" "+r")))
5859 (match_operand:QI 3 "s_register_operand" "r"))
5860 (set (match_dup 2) (plus:SI (match_op_dup 4 [(match_dup 0) (match_dup 1)])
5863 "str%?b\\t%3, [%2, %0%S4]!")
5865 ; This pattern is never tried by combine, so do it as a peephole
5868 [(set (match_operand:SI 0 "s_register_operand" "=r")
5869 (match_operand:SI 1 "s_register_operand" "r"))
5871 (compare:CC (match_dup 1) (const_int 0)))]
5873 "sub%?s\\t%0, %1, #0"
5874 [(set_attr "conds" "set")])
5876 ; Peepholes to spot possible load- and store-multiples, if the ordering is
5877 ; reversed, check that the memory references aren't volatile.
5880 [(set (match_operand:SI 0 "s_register_operand" "=r")
5881 (match_operand:SI 4 "memory_operand" "m"))
5882 (set (match_operand:SI 1 "s_register_operand" "=r")
5883 (match_operand:SI 5 "memory_operand" "m"))
5884 (set (match_operand:SI 2 "s_register_operand" "=r")
5885 (match_operand:SI 6 "memory_operand" "m"))
5886 (set (match_operand:SI 3 "s_register_operand" "=r")
5887 (match_operand:SI 7 "memory_operand" "m"))]
5888 "load_multiple_sequence (operands, 4, NULL, NULL, NULL)"
5890 return emit_ldm_seq (operands, 4);
5894 [(set (match_operand:SI 0 "s_register_operand" "=r")
5895 (match_operand:SI 3 "memory_operand" "m"))
5896 (set (match_operand:SI 1 "s_register_operand" "=r")
5897 (match_operand:SI 4 "memory_operand" "m"))
5898 (set (match_operand:SI 2 "s_register_operand" "=r")
5899 (match_operand:SI 5 "memory_operand" "m"))]
5900 "load_multiple_sequence (operands, 3, NULL, NULL, NULL)"
5902 return emit_ldm_seq (operands, 3);
5906 [(set (match_operand:SI 0 "s_register_operand" "=r")
5907 (match_operand:SI 2 "memory_operand" "m"))
5908 (set (match_operand:SI 1 "s_register_operand" "=r")
5909 (match_operand:SI 3 "memory_operand" "m"))]
5910 "load_multiple_sequence (operands, 2, NULL, NULL, NULL)"
5912 return emit_ldm_seq (operands, 2);
5916 [(set (match_operand:SI 4 "memory_operand" "=m")
5917 (match_operand:SI 0 "s_register_operand" "r"))
5918 (set (match_operand:SI 5 "memory_operand" "=m")
5919 (match_operand:SI 1 "s_register_operand" "r"))
5920 (set (match_operand:SI 6 "memory_operand" "=m")
5921 (match_operand:SI 2 "s_register_operand" "r"))
5922 (set (match_operand:SI 7 "memory_operand" "=m")
5923 (match_operand:SI 3 "s_register_operand" "r"))]
5924 "store_multiple_sequence (operands, 4, NULL, NULL, NULL)"
5926 return emit_stm_seq (operands, 4);
5930 [(set (match_operand:SI 3 "memory_operand" "=m")
5931 (match_operand:SI 0 "s_register_operand" "r"))
5932 (set (match_operand:SI 4 "memory_operand" "=m")
5933 (match_operand:SI 1 "s_register_operand" "r"))
5934 (set (match_operand:SI 5 "memory_operand" "=m")
5935 (match_operand:SI 2 "s_register_operand" "r"))]
5936 "store_multiple_sequence (operands, 3, NULL, NULL, NULL)"
5938 return emit_stm_seq (operands, 3);
5942 [(set (match_operand:SI 2 "memory_operand" "=m")
5943 (match_operand:SI 0 "s_register_operand" "r"))
5944 (set (match_operand:SI 3 "memory_operand" "=m")
5945 (match_operand:SI 1 "s_register_operand" "r"))]
5946 "store_multiple_sequence (operands, 2, NULL, NULL, NULL)"
5948 return emit_stm_seq (operands, 2);
5951 ;; A call followed by return can be replaced by restoring the regs and
5952 ;; jumping to the subroutine, provided we aren't passing the address of
5953 ;; any of our local variables. If we call alloca then this is unsafe
5954 ;; since restoring the frame frees the memory, which is not what we want.
5955 ;; Sometimes the return might have been targeted by the final prescan:
5956 ;; if so then emit a proper return insn as well.
5957 ;; Unfortunately, if the frame pointer is required, we don't know if the
5958 ;; current function has any implicit stack pointer adjustments that will
5959 ;; be restored by the return: we can't therefore do a tail call.
5960 ;; Another unfortunate that we can't handle is if current_function_args_size
5961 ;; is non-zero: in this case elimination of the argument pointer assumed
5962 ;; that lr was pushed onto the stack, so eliminating upsets the offset
5966 [(parallel [(call (mem:SI (match_operand:SI 0 "" "X"))
5967 (match_operand:SI 1 "general_operand" "g"))
5968 (clobber (reg:SI 14))])
5970 "(GET_CODE (operands[0]) == SYMBOL_REF && USE_RETURN_INSN(FALSE)
5971 && !get_frame_size () && !current_function_calls_alloca
5972 && !frame_pointer_needed && !current_function_args_size)"
5975 extern rtx arm_target_insn;
5976 extern int arm_ccfsm_state;
5978 if (arm_ccfsm_state && arm_target_insn && INSN_DELETED_P (arm_target_insn))
5980 arm_current_cc = ARM_INVERSE_CONDITION_CODE (arm_current_cc);
5981 output_return_instruction (NULL, TRUE, FALSE);
5982 arm_ccfsm_state = 0;
5983 arm_target_insn = NULL;
5986 output_return_instruction (NULL, FALSE, FALSE);
5987 return \"b%?\\t%a0\";
5989 [(set_attr "type" "call")
5990 (set_attr "length" "8")])
5993 [(parallel [(set (match_operand 0 "s_register_operand" "=rf")
5994 (call (mem:SI (match_operand:SI 1 "" "X"))
5995 (match_operand:SI 2 "general_operand" "g")))
5996 (clobber (reg:SI 14))])
5998 "(GET_CODE (operands[1]) == SYMBOL_REF && USE_RETURN_INSN(FALSE)
5999 && !get_frame_size () && !current_function_calls_alloca
6000 && !frame_pointer_needed && !current_function_args_size)"
6003 extern rtx arm_target_insn;
6004 extern int arm_ccfsm_state;
6006 if (arm_ccfsm_state && arm_target_insn && INSN_DELETED_P (arm_target_insn))
6008 arm_current_cc = ARM_INVERSE_CONDITION_CODE (arm_current_cc);
6009 output_return_instruction (NULL, TRUE, FALSE);
6010 arm_ccfsm_state = 0;
6011 arm_target_insn = NULL;
6014 output_return_instruction (NULL, FALSE, FALSE);
6015 return \"b%?\\t%a1\";
6017 [(set_attr "type" "call")
6018 (set_attr "length" "8")])
6020 ;; As above but when this function is not void, we must be returning the
6021 ;; result of the called subroutine.
6024 [(parallel [(set (match_operand 0 "s_register_operand" "=rf")
6025 (call (mem:SI (match_operand:SI 1 "" "X"))
6026 (match_operand:SI 2 "general_operand" "g")))
6027 (clobber (reg:SI 14))])
6030 "(GET_CODE (operands[1]) == SYMBOL_REF && USE_RETURN_INSN(FALSE)
6031 && !get_frame_size () && !current_function_calls_alloca
6032 && !frame_pointer_needed && !current_function_args_size)"
6035 extern rtx arm_target_insn;
6036 extern int arm_ccfsm_state;
6038 if (arm_ccfsm_state && arm_target_insn && INSN_DELETED_P (arm_target_insn))
6040 arm_current_cc = ARM_INVERSE_CONDITION_CODE (arm_current_cc);
6041 output_return_instruction (NULL, TRUE, FALSE);
6042 arm_ccfsm_state = 0;
6043 arm_target_insn = NULL;
6046 output_return_instruction (NULL, FALSE, FALSE);
6047 return \"b%?\\t%a1\";
6049 [(set_attr "type" "call")
6050 (set_attr "length" "8")])
6053 [(set (match_operand:SI 0 "s_register_operand" "")
6054 (and:SI (ge:SI (match_operand:SI 1 "s_register_operand" "")
6056 (neg:SI (match_operator:SI 2 "comparison_operator"
6057 [(match_operand:SI 3 "s_register_operand" "")
6058 (match_operand:SI 4 "arm_rhs_operand" "")]))))
6059 (clobber (match_operand:SI 5 "s_register_operand" ""))]
6061 [(set (match_dup 5) (not:SI (ashiftrt:SI (match_dup 1) (const_int 31))))
6062 (set (match_dup 0) (and:SI (match_op_dup 2 [(match_dup 3) (match_dup 4)])
6066 ;; This split can be used because CC_Z mode implies that the following
6067 ;; branch will be an equality, or an unsigned inequality, so the sign
6068 ;; extension is not needed.
6073 (ashift:SI (subreg:SI (match_operand:QI 0 "memory_operand" "") 0)
6075 (match_operand 1 "const_int_operand" "")))
6076 (clobber (match_scratch:SI 2 ""))]
6077 "((unsigned HOST_WIDE_INT) INTVAL (operands[1]))
6078 == (((unsigned HOST_WIDE_INT) INTVAL (operands[1])) >> 24) << 24"
6079 [(set (match_dup 2) (zero_extend:SI (match_dup 0)))
6080 (set (reg:CC 24) (compare:CC (match_dup 2) (match_dup 1)))]
6082 operands[1] = GEN_INT (((unsigned long) INTVAL (operands[1])) >> 24);
6085 (define_expand "prologue"
6086 [(clobber (const_int 0))]
6089 arm_expand_prologue ();
6093 ;; This split is only used during output to reduce the number of patterns
6094 ;; that need assembler instructions adding to them. We allowed the setting
6095 ;; of the conditions to be implicit during rtl generation so that
6096 ;; the conditional compare patterns would work. However this conflicts to
6097 ;; some extent with the conditional data operations, so we have to split them
6101 [(set (match_operand:SI 0 "s_register_operand" "")
6102 (if_then_else:SI (match_operator 1 "comparison_operator"
6103 [(match_operand 2 "" "") (match_operand 3 "" "")])
6104 (match_operand 4 "" "")
6105 (match_operand 5 "" "")))
6106 (clobber (reg:CC 24))]
6108 [(set (match_dup 6) (match_dup 7))
6110 (if_then_else:SI (match_op_dup 1 [(match_dup 6) (const_int 0)])
6115 enum machine_mode mode = SELECT_CC_MODE (GET_CODE (operands[1]), operands[2],
6118 operands[6] = gen_rtx_REG (mode, 24);
6119 operands[7] = gen_rtx_COMPARE (mode, operands[2], operands[3]);
6123 ;; The next two patterns occur when an AND operation is followed by a
6124 ;; scc insn sequence
6126 (define_insn "*sign_extract_onebit"
6127 [(set (match_operand:SI 0 "s_register_operand" "=r")
6128 (sign_extract:SI (match_operand:SI 1 "s_register_operand" "r")
6130 (match_operand:SI 2 "const_int_operand" "n")))]
6133 operands[2] = GEN_INT (1 << INTVAL (operands[2]));
6134 output_asm_insn (\"ands\\t%0, %1, %2\", operands);
6135 return \"mvnne\\t%0, #0\";
6137 [(set_attr "conds" "clob")
6138 (set_attr "length" "8")])
6140 (define_insn "*not_signextract_onebit"
6141 [(set (match_operand:SI 0 "s_register_operand" "=r")
6143 (sign_extract:SI (match_operand:SI 1 "s_register_operand" "r")
6145 (match_operand:SI 2 "const_int_operand" "n"))))]
6148 operands[2] = GEN_INT (1 << INTVAL (operands[2]));
6149 output_asm_insn (\"tst\\t%1, %2\", operands);
6150 output_asm_insn (\"mvneq\\t%0, #0\", operands);
6151 return \"movne\\t%0, #0\";
6153 [(set_attr "conds" "clob")
6154 (set_attr "length" "12")])
6156 ;; Push multiple registers to the stack. The first register is in the
6157 ;; unspec part of the insn; subsequent registers are in parallel (use ...)
6159 (define_insn "*push_multi"
6160 [(match_parallel 2 "multi_register_push"
6161 [(set (match_operand:BLK 0 "memory_operand" "=m")
6162 (unspec:BLK [(match_operand:SI 1 "s_register_operand" "r")] 2))])]
6168 extern int lr_save_eliminated;
6170 if (lr_save_eliminated)
6172 if (XVECLEN (operands[2], 0) > 1)
6176 strcpy (pattern, \"stmfd\\t%m0!, {%1\");
6177 for (i = 1; i < XVECLEN (operands[2], 0); i++)
6179 strcat (pattern, \", %|\");
6180 strcat (pattern, reg_names[REGNO (XEXP (XVECEXP (operands[2], 0, i),
6183 strcat (pattern, \"}\");
6184 output_asm_insn (pattern, operands);
6187 [(set_attr "type" "store4")])
6189 ;; Similarly for the floating point registers
6190 (define_insn "*push_fp_multi"
6191 [(match_parallel 2 "multi_register_push"
6192 [(set (match_operand:BLK 0 "memory_operand" "=m")
6193 (unspec:BLK [(match_operand:XF 1 "f_register_operand" "f")] 2))])]
6199 sprintf (pattern, \"sfmfd\\t%%1, %d, [%%m0]!\", XVECLEN (operands[2], 0));
6200 output_asm_insn (pattern, operands);
6203 [(set_attr "type" "f_store")])
6205 ;; Special patterns for dealing with the constant pool
6207 (define_insn "consttable_4"
6208 [(unspec_volatile [(match_operand 0 "" "")] 2)]
6212 switch (GET_MODE_CLASS (GET_MODE (operands[0])))
6216 union real_extract u;
6217 bcopy ((char *) &CONST_DOUBLE_LOW (operands[0]), (char *) &u, sizeof u);
6218 assemble_real (u.d, GET_MODE (operands[0]));
6222 assemble_integer (operands[0], 4, 1);
6227 [(set_attr "length" "4")])
6229 (define_insn "consttable_8"
6230 [(unspec_volatile [(match_operand 0 "" "")] 3)]
6234 switch (GET_MODE_CLASS (GET_MODE (operands[0])))
6238 union real_extract u;
6239 bcopy ((char *) &CONST_DOUBLE_LOW (operands[0]), (char *) &u, sizeof u);
6240 assemble_real (u.d, GET_MODE (operands[0]));
6244 assemble_integer (operands[0], 8, 1);
6249 [(set_attr "length" "8")])
6251 (define_insn "consttable_end"
6252 [(unspec_volatile [(const_int 0)] 4)]
6255 /* Nothing to do (currently). */
6259 (define_insn "align_4"
6260 [(unspec_volatile [(const_int 0)] 5)]
6263 assemble_align (32);