Mercurial > hg > CbC > CbC_gcc
annotate gcc/config/m32c/mov.md @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
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date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children | 1830386684a0 |
rev | line source |
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0 | 1 ;; Machine Descriptions for R8C/M16C/M32C |
131 | 2 ;; Copyright (C) 2005-2018 Free Software Foundation, Inc. |
0 | 3 ;; Contributed by Red Hat. |
4 ;; | |
5 ;; This file is part of GCC. | |
6 ;; | |
7 ;; GCC is free software; you can redistribute it and/or modify it | |
8 ;; under the terms of the GNU General Public License as published | |
9 ;; by the Free Software Foundation; either version 3, or (at your | |
10 ;; option) any later version. | |
11 ;; | |
12 ;; GCC is distributed in the hope that it will be useful, but WITHOUT | |
13 ;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
14 ;; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public | |
15 ;; License for more details. | |
16 ;; | |
17 ;; You should have received a copy of the GNU General Public License | |
18 ;; along with GCC; see the file COPYING3. If not see | |
19 ;; <http://www.gnu.org/licenses/>. | |
20 | |
21 ;; move, push, extend, etc. | |
22 | |
23 ;; Be careful to never create an alternative that has memory as both | |
24 ;; src and dest, as that makes gcc think that mem-mem moves in general | |
25 ;; are supported. While the chip does support this, it only has two | |
26 ;; address registers and sometimes gcc requires more than that. One | |
27 ;; example is code like this: a = *b where both a and b are spilled to | |
28 ;; the stack. | |
29 | |
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30 (define_insn "mov<mode>_far_op1" |
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31 [(set (match_operand:QHI 0 "register_operand" "=Rhi") |
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32 (mem:QHI (plus:SI (sign_extend:SI (match_operand:HI 1 "register_operand" "Ra0")) |
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33 (match_operand 2 "immediate_operand" "si")))) |
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34 ] |
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35 "" |
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36 "lde.<bwl>\t%D2[%1],%0" |
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37 [(set_attr "flags" "sz")] |
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38 ) |
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39 |
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40 (define_insn "mov<mode>_far_op2" |
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41 [(set (mem:QHI (plus:SI (sign_extend:SI (match_operand:HI 0 "register_operand" "Ra0")) |
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42 (match_operand 1 "immediate_operand" "si"))) |
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43 (match_operand:QHI 2 "register_operand" |
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44 "=Rhi")) |
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45 ] |
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46 "" |
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47 "ste.<bwl>\t%2,%D1[%0]" |
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48 [(set_attr "flags" "sz")] |
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49 ) |
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50 |
0 | 51 ;; Match push/pop before mov.b for passing char as arg, |
52 ;; e.g. stdlib/efgcvt.c. | |
53 (define_insn "movqi_op" | |
54 [(set (match_operand:QI 0 "m32c_nonimmediate_operand" | |
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55 "=SF,Rhi*Rmm, Rqi*Rmm, <, RqiSd*Rmm, SdSs, Rqi*Rmm, Sd") |
0 | 56 (match_operand:QI 1 "m32c_any_operand" |
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57 "Rhi*Rmm,SF, iRqi*Rmm, iRqiSd*Rmm, >, Rqi*Rmm, SdSs, i"))] |
0 | 58 "m32c_mov_ok (operands, QImode)" |
59 "@ | |
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60 lde.b\t%1,%0 |
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61 ste.b\t%1,%0 |
0 | 62 mov.b\t%1,%0 |
63 push.b\t%1 | |
64 pop.b\t%0 | |
65 mov.b\t%1,%0 | |
66 mov.b\t%1,%0 | |
67 mov.b\t%1,%0" | |
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68 [(set_attr "flags" "sz,sz,sz,*,*,sz,sz,sz")] |
0 | 69 ) |
70 | |
71 (define_expand "movqi" | |
72 [(set (match_operand:QI 0 "nonimmediate_operand" "=RqiSd*Rmm") | |
73 (match_operand:QI 1 "general_operand" "iRqiSd*Rmm"))] | |
74 "" | |
75 "if (m32c_prepare_move (operands, QImode)) DONE;" | |
76 ) | |
77 | |
78 | |
79 (define_insn "movhi_op" | |
80 [(set (match_operand:HI 0 "m32c_nonimmediate_operand" | |
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81 "=SF,Rhi*Rmm, Rhi*Rmm, Sd, SdSs, *Rcr, RhiSd*Rmm, <, RhiSd*Rmm, <, *Rcr") |
0 | 82 (match_operand:HI 1 "m32c_any_operand" |
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83 " Rhi*Rmm,SF, iRhi*RmmSdSs, i, Rhi*Rmm, RhiSd*Rmm, *Rcr, iRhiSd*Rmm, >, *Rcr, >"))] |
0 | 84 "m32c_mov_ok (operands, HImode)" |
85 "@ | |
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86 ste.w\t%1,%0 |
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87 lde.w\t%1,%0 |
0 | 88 mov.w\t%1,%0 |
89 mov.w\t%1,%0 | |
90 mov.w\t%1,%0 | |
91 ldc\t%1,%0 | |
92 stc\t%1,%0 | |
93 push.w\t%1 | |
94 pop.w\t%0 | |
95 pushc\t%1 | |
96 popc\t%0" | |
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97 [(set_attr "flags" "sz,sz,sz,sz,sz,n,n,n,n,n,n")] |
0 | 98 ) |
99 | |
100 (define_expand "movhi" | |
101 [(set (match_operand:HI 0 "m32c_nonimmediate_operand" "=RhiSd*Rmm") | |
102 (match_operand:HI 1 "m32c_any_operand" "iRhiSd*Rmm"))] | |
103 "" | |
104 "if (m32c_prepare_move (operands, HImode)) DONE;" | |
105 ) | |
106 | |
107 | |
108 (define_insn "movpsi_op" | |
109 [(set (match_operand:PSI 0 "m32c_nonimmediate_operand" | |
110 "=Raa, SdRmmRpi, Rcl, RpiSd*Rmm, <, <, Rcl, RpiRaa*Rmm") | |
111 (match_operand:PSI 1 "m32c_any_operand" | |
112 "sIU3, iSdRmmRpi, iRpiSd*Rmm, Rcl, Rpi*Rmm, Rcl, >, >"))] | |
113 "TARGET_A24 && m32c_mov_ok (operands, PSImode)" | |
114 "@ | |
115 mov.l:s\t%1,%0 | |
116 mov.l\t%1,%0 | |
117 ldc\t%1,%0 | |
118 stc\t%1,%0 | |
119 push.l\t%1 | |
120 pushc\t%1 | |
121 popc\t%0 | |
122 #" | |
123 [(set_attr "flags" "sz,sz,n,n,n,n,n,*")] | |
124 ) | |
125 | |
126 | |
127 ;; The intention here is to combine the add with the move to create an | |
128 ;; indexed move. GCC doesn't always figure this out itself. | |
129 | |
130 (define_peephole2 | |
131 [(set (match_operand:HPSI 0 "register_operand" "") | |
132 (plus:HPSI (match_operand:HPSI 1 "register_operand" "") | |
133 (match_operand:HPSI 2 "immediate_operand" ""))) | |
134 (set (match_operand:QHSI 3 "nonimmediate_operand" "") | |
135 (mem:QHSI (match_operand:HPSI 4 "register_operand" "")))] | |
136 "REGNO (operands[0]) == REGNO (operands[1]) | |
137 && REGNO (operands[0]) == REGNO (operands[4]) | |
138 && (rtx_equal_p (operands[0], operands[3]) | |
139 || (dead_or_set_p (peep2_next_insn (1), operands[4]) | |
140 && ! reg_mentioned_p (operands[0], operands[3])))" | |
141 [(set (match_dup 3) | |
142 (mem:QHSI (plus:HPSI (match_dup 1) | |
143 (match_dup 2))))] | |
144 "") | |
145 | |
146 (define_peephole2 | |
147 [(set (match_operand:HPSI 0 "register_operand" "") | |
148 (plus:HPSI (match_operand:HPSI 1 "register_operand" "") | |
149 (match_operand:HPSI 2 "immediate_operand" ""))) | |
150 (set (mem:QHSI (match_operand:HPSI 4 "register_operand" "")) | |
151 (match_operand:QHSI 3 "m32c_any_operand" ""))] | |
152 "REGNO (operands[0]) == REGNO (operands[1]) | |
153 && REGNO (operands[0]) == REGNO (operands[4]) | |
154 && dead_or_set_p (peep2_next_insn (1), operands[4]) | |
155 && ! reg_mentioned_p (operands[0], operands[3])" | |
156 [(set (mem:QHSI (plus:HPSI (match_dup 1) | |
157 (match_dup 2))) | |
158 (match_dup 3))] | |
159 "") | |
160 | |
161 ; Peephole to generate SImode mov instructions for storing an | |
162 ; immediate double data to a memory location. | |
163 (define_peephole2 | |
164 [(set (match_operand:HI 0 "memory_operand" "") | |
111 | 165 (match_operand:HI 1 "const_int_operand" "")) |
0 | 166 (set (match_operand:HI 2 "memory_operand" "") |
111 | 167 (match_operand:HI 3 "const_int_operand" ""))] |
0 | 168 "TARGET_A24 && m32c_immd_dbl_mov (operands, HImode)" |
169 [(set (match_dup 4) (match_dup 5))] | |
170 "" | |
171 ) | |
172 | |
173 ; Some PSI moves must be split. | |
174 (define_split | |
175 [(set (match_operand:PSI 0 "m32c_nonimmediate_operand" "") | |
176 (match_operand:PSI 1 "m32c_any_operand" ""))] | |
177 "reload_completed && m32c_split_psi_p (operands)" | |
178 [(set (match_dup 2) | |
179 (match_dup 3)) | |
180 (set (match_dup 4) | |
181 (match_dup 5))] | |
182 "m32c_split_move (operands, PSImode, 3);" | |
183 ) | |
184 | |
185 (define_expand "movpsi" | |
186 [(set (match_operand:PSI 0 "m32c_nonimmediate_operand" "") | |
187 (match_operand:PSI 1 "m32c_any_operand" ""))] | |
188 "" | |
189 "if (m32c_prepare_move (operands, PSImode)) DONE;" | |
190 ) | |
191 | |
192 | |
193 | |
194 (define_expand "movsi" | |
195 [(set (match_operand:SI 0 "m32c_nonimmediate_operand" "=RsiSd*Rmm") | |
196 (match_operand:SI 1 "m32c_any_operand" "iRsiSd*Rmm"))] | |
197 "" | |
198 "if (m32c_split_move (operands, SImode, 0)) DONE;" | |
199 ) | |
200 | |
201 ; All SI moves are split if TARGET_A16 | |
202 (define_insn_and_split "movsi_splittable" | |
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203 [(set (match_operand:SI 0 "m32c_nonimmediate_operand" "=RsiRaa<*Rmm, RsiRaaSd*Rmm, Ss") |
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204 (match_operand:SI 1 "m32c_any_operand" "iRsiRaaSd*Rmm, iRsiRaa>*Rmm, RsiRaa*Rmm"))] |
0 | 205 "TARGET_A16" |
206 "#" | |
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207 "TARGET_A16" |
0 | 208 [(pc)] |
209 "m32c_split_move (operands, SImode, 1); DONE;" | |
210 ) | |
211 | |
212 ; The movsi pattern doesn't always match because sometimes the modes | |
213 ; don't match. | |
214 (define_insn "push_a01_l" | |
215 [(set (mem:SI (pre_dec:PSI (reg:PSI SP_REGNO))) | |
111 | 216 (match_operand:SI 0 "a_operand" "Raa"))] |
0 | 217 "" |
218 "push.l\t%0" | |
219 [(set_attr "flags" "n")] | |
220 ) | |
221 | |
222 (define_insn "movsi_24" | |
223 [(set (match_operand:SI 0 "m32c_nonimmediate_operand" "=Rsi*Rmm, Sd, RsiSd*Rmm, <") | |
224 (match_operand:SI 1 "m32c_any_operand" "iRsiSd*Rmm, iRsi*Rmm, >, iRsiRaaSd*Rmm"))] | |
225 "TARGET_A24" | |
226 "@ | |
227 mov.l\t%1,%0 | |
228 mov.l\t%1,%0 | |
229 # | |
230 push.l\t%1" | |
231 [(set_attr "flags" "sz,sz,*,n")] | |
232 ) | |
233 | |
234 (define_expand "movdi" | |
235 [(set (match_operand:DI 0 "m32c_nonimmediate_operand" "=RdiSd*Rmm") | |
236 (match_operand:DI 1 "m32c_any_operand" "iRdiSd*Rmm"))] | |
237 "" | |
238 "if (m32c_split_move (operands, DImode, 0)) DONE;" | |
239 ) | |
240 | |
241 (define_insn_and_split "movdi_splittable" | |
242 [(set (match_operand:DI 0 "m32c_nonimmediate_operand" "=Rdi<*Rmm,RdiSd*Rmm") | |
243 (match_operand:DI 1 "m32c_any_operand" "iRdiSd*Rmm,iRdi>*Rmm"))] | |
244 "" | |
245 "#" | |
246 "reload_completed" | |
247 [(pc)] | |
248 "m32c_split_move (operands, DImode, 1); DONE;" | |
249 ) | |
250 | |
251 | |
252 | |
253 | |
254 (define_insn "pushqi" | |
255 [(set (mem:QI (pre_dec:PSI (reg:PSI SP_REGNO))) | |
256 (match_operand:QI 0 "mrai_operand" "iRqiSd*Rmm"))] | |
257 "" | |
258 "push.b\t%0" | |
259 [(set_attr "flags" "n")] | |
260 ) | |
261 | |
262 (define_expand "pushhi" | |
263 [(set (mem:HI (pre_dec:PSI (reg:PSI SP_REGNO))) | |
264 (match_operand:HI 0 "" ""))] | |
265 "" | |
266 "if (TARGET_A16) | |
267 gen_pushhi_16 (operands[0]); | |
268 else | |
269 gen_pushhi_24 (operands[0]); | |
270 DONE;" | |
271 ) | |
272 | |
273 (define_insn "pushhi_16" | |
274 [(set (mem:HI (pre_dec:HI (reg:HI SP_REGNO))) | |
275 (match_operand:HI 0 "mrai_operand" "iRhiSd*Rmm,Rcr"))] | |
276 "TARGET_A16" | |
277 "@ | |
278 push.w\t%0 | |
279 pushc\t%0" | |
280 [(set_attr "flags" "n,n")] | |
281 ) | |
282 | |
283 (define_insn "pushhi_24" | |
284 [(set (mem:HI (pre_dec:PSI (reg:PSI SP_REGNO))) | |
285 (match_operand:HI 0 "mrai_operand" "iRhiSd*Rmm"))] | |
286 "TARGET_A24" | |
287 "push.w\t%0" | |
288 [(set_attr "flags" "n")] | |
289 ) | |
290 | |
291 ;(define_insn "pushpi" | |
292 ; [(set (mem:PSI (pre_dec:PSI (reg:PSI SP_REGNO))) | |
293 ; (match_operand:PI 0 "mrai_operand" "iRaa,Rcr"))] | |
294 ; "TARGET_A24" | |
295 ; "@ | |
296 ; push.l\t%0 | |
297 ; pushc\t%0" | |
298 ; ) | |
299 | |
300 (define_insn "pushsi" | |
301 [(set (mem:SI (pre_dec:PSI (reg:PSI SP_REGNO))) | |
302 (match_operand:SI 0 "mrai_operand" "iRsiSd*Rmm"))] | |
303 "TARGET_A24" | |
304 "push.l\t%0" | |
305 [(set_attr "flags" "n")] | |
306 ) | |
307 | |
308 (define_expand "pophi" | |
309 [(set (match_operand:HI 0 "mra_operand" "=RhiSd*Rmm,Rcr") | |
310 (mem:HI (post_inc:HI (reg:HI SP_REGNO))))] | |
311 "" | |
312 "if (TARGET_A16) | |
313 gen_pophi_16 (operands[0]); | |
314 else | |
315 gen_pophi_24 (operands[0]); | |
316 DONE;" | |
317 ) | |
318 | |
319 (define_insn "pophi_16" | |
320 [(set (match_operand:HI 0 "mra_operand" "=RhiSd*Rmm,Rcr") | |
321 (mem:HI (post_inc:HI (reg:HI SP_REGNO))))] | |
322 "TARGET_A16" | |
323 "@ | |
324 pop.w\t%0 | |
325 popc\t%0" | |
326 [(set_attr "flags" "n,n")] | |
327 ) | |
328 | |
329 (define_insn "pophi_24" | |
330 [(set (match_operand:HI 0 "mra_operand" "=RhiSd*Rmm") | |
331 (mem:HI (post_inc:PSI (reg:PSI SP_REGNO))))] | |
332 "TARGET_A24" | |
333 "pop.w\t%0" | |
334 [(set_attr "flags" "n")] | |
335 ) | |
336 | |
337 (define_insn "poppsi" | |
338 [(set (match_operand:PSI 0 "cr_operand" "=Rcl") | |
339 (mem:PSI (post_inc:PSI (reg:PSI SP_REGNO))))] | |
340 "TARGET_A24" | |
341 "popc\t%0" | |
342 [(set_attr "flags" "n")] | |
343 ) | |
344 | |
345 | |
346 ;; Rhl used here as an HI-mode Rxl | |
347 (define_insn "extendqihi2" | |
348 [(set (match_operand:HI 0 "m32c_nonimmediate_operand" "=RhlSd*Rmm") | |
349 (sign_extend:HI (match_operand:QI 1 "mra_operand" "0")))] | |
350 "" | |
351 "exts.b\t%1" | |
352 [(set_attr "flags" "sz")] | |
353 ) | |
354 | |
355 (define_insn "extendhisi2" | |
356 [(set (match_operand:SI 0 "register_operand" "=R03") | |
357 (sign_extend:SI (match_operand:HI 1 "r0123_operand" "0")))] | |
358 "" | |
359 "* | |
360 if (REGNO(operands[0]) == 0) return \"exts.w\t%1\"; | |
361 else return \"mov.w r1,r3 | sha.w #-8,r3 | sha.w #-7,r3\";" | |
362 [(set_attr "flags" "x")] | |
363 ) | |
364 | |
365 (define_insn "extendhipsi2" | |
366 [(set (match_operand:PSI 0 "register_operand" "=R03") | |
367 (sign_extend:PSI (match_operand:HI 1 "register_operand" "0")))] | |
368 "" | |
369 "* | |
370 if (REGNO(operands[0]) == 0) return \"exts.w\t%1\"; | |
371 else return \"mov.w r1,r3 | sha.w #-8,r3 | sha.w #-7,r3\";" | |
372 [(set_attr "flags" "x")] | |
373 ) | |
374 | |
375 (define_insn "extendpsisi2" | |
376 [(set (match_operand:SI 0 "mr_operand" "=R03Sd*Rmm") | |
377 (sign_extend:SI (match_operand:PSI 1 "mr_operand" "0")))] | |
378 "" | |
379 "; expand psi %1 to si %0" | |
380 [(set_attr "flags" "n")] | |
381 ) | |
382 | |
383 (define_insn "zero_extendpsisi2" | |
384 [(set (match_operand:SI 0 "mr_operand" "=R03Sd*Rmm") | |
385 (zero_extend:SI (match_operand:PSI 1 "mr_operand" "0")))] | |
386 "" | |
387 "; expand psi %1 to si %0" | |
388 [(set_attr "flags" "n")] | |
389 ) | |
390 | |
391 (define_insn "zero_extendhipsi2" | |
392 [(set (match_operand:PSI 0 "register_operand" "=Raa") | |
393 (truncate:PSI (zero_extend:SI (match_operand:HI 1 "register_operand" "R03"))))] | |
394 "" | |
395 "mov.w\t%1,%0" | |
396 [(set_attr "flags" "sz")] | |
397 ) | |
398 | |
399 (define_insn "zero_extendhisi2" | |
400 [(set (match_operand:SI 0 "m32c_nonimmediate_operand" "=RsiSd") | |
401 (zero_extend:SI (match_operand:HI 1 "nonimmediate_operand" "0")))] | |
402 "" | |
403 "mov.w\t#0,%H0" | |
404 [(set_attr "flags" "x")] | |
405 ) | |
406 | |
407 (define_insn "zero_extendqihi2" | |
408 [(set (match_operand:HI 0 "m32c_nonimmediate_operand" "=?Rhl,RhiSd*Rmm") | |
409 (zero_extend:HI (match_operand:QI 1 "nonimmediate_operand" "0,0")))] | |
410 "" | |
411 "@ | |
412 mov.b\t#0,%H0 | |
413 and.w\t#255,%0" | |
414 [(set_attr "flags" "x,x")] | |
415 ) | |
416 | |
417 (define_insn "truncsipsi2_16" | |
418 [(set (match_operand:PSI 0 "m32c_nonimmediate_operand" "=RsiRadSd*Rmm,Raa,Rcr,RsiSd*Rmm") | |
419 (truncate:PSI (match_operand:SI 1 "nonimmediate_operand" "0,RsiSd*Rmm,RsiSd*Rmm,Rcr")))] | |
420 "TARGET_A16" | |
421 "@ | |
422 ; no-op trunc si %1 to psi %0 | |
423 # | |
424 ldc\t%1,%0 | |
425 stc\t%1,%0" | |
426 [(set_attr "flags" "n,*,n,n")] | |
427 ) | |
428 | |
429 (define_insn "trunchiqi2" | |
430 [(set (match_operand:QI 0 "m32c_nonimmediate_operand" "=RqiRmmSd") | |
431 (truncate:QI (match_operand:HI 1 "mra_qi_operand" "0")))] | |
432 "" | |
433 "; no-op trunc hi %1 to qi %0" | |
434 [(set_attr "flags" "n")] | |
435 ) | |
436 | |
437 (define_insn "truncsipsi2_24" | |
438 [(set (match_operand:PSI 0 "m32c_nonimmediate_operand" "=RsiSd*Rmm,Raa,!Rcl,RsiSd*Rmm") | |
439 (truncate:PSI (match_operand:SI 1 "m32c_nonimmediate_operand" "0,RsiSd*Rmm,RsiSd*Rmm,!Rcl")))] | |
440 "TARGET_A24" | |
441 "@ | |
442 ; no-op trunc si %1 to psi %0 | |
443 mov.l\t%1,%0 | |
444 ldc\t%1,%0 | |
445 stc\t%1,%0" | |
446 [(set_attr "flags" "n,sz,n,n")] | |
447 ) | |
448 | |
449 (define_expand "truncsipsi2" | |
450 [(set (match_operand:PSI 0 "m32c_nonimmediate_operand" "=RsiRadSd*Rmm,Raa,Rcr,RsiSd*Rmm") | |
451 (truncate:PSI (match_operand:SI 1 "m32c_nonimmediate_operand" "0,RsiSd*Rmm,RsiSd*Rmm,Rcr")))] | |
452 "" | |
453 "" | |
454 ) | |
455 | |
456 (define_expand "reload_inqi" | |
457 [(set (match_operand:QI 2 "" "=&Rqi") | |
458 (match_operand:QI 1 "" "")) | |
459 (set (match_operand:QI 0 "" "") | |
460 (match_dup 2)) | |
461 ] | |
462 "" | |
463 "") | |
464 | |
465 (define_expand "reload_outqi" | |
466 [(set (match_operand:QI 2 "" "=&Rqi") | |
467 (match_operand:QI 1 "" "")) | |
468 (set (match_operand:QI 0 "" "") | |
469 (match_dup 2)) | |
470 ] | |
471 "" | |
472 "") | |
473 | |
474 (define_expand "reload_inhi" | |
475 [(set (match_operand:HI 2 "" "=&Rhi") | |
476 (match_operand:HI 1 "" "")) | |
477 (set (match_operand:HI 0 "" "") | |
478 (match_dup 2)) | |
479 ] | |
480 "" | |
481 "") | |
482 | |
483 (define_expand "reload_outhi" | |
484 [(set (match_operand:HI 2 "" "=&Rhi") | |
485 (match_operand:HI 1 "" "")) | |
486 (set (match_operand:HI 0 "" "") | |
487 (match_dup 2)) | |
488 ] | |
489 "" | |
490 "") |