1 ;; Expander definitions for vector support between altivec & vsx. No
2 ;; instructions are in this file, this file provides the generic vector
3 ;; expander, and the actual vector instructions will be in altivec.md and
6 ;; Copyright (C) 2009-2018 Free Software Foundation, Inc.
7 ;; Contributed by Michael Meissner <meissner@linux.vnet.ibm.com>
9 ;; This file is part of GCC.
11 ;; GCC is free software; you can redistribute it and/or modify it
12 ;; under the terms of the GNU General Public License as published
13 ;; by the Free Software Foundation; either version 3, or (at your
14 ;; option) any later version.
16 ;; GCC is distributed in the hope that it will be useful, but WITHOUT
17 ;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
18 ;; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
19 ;; License for more details.
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with GCC; see the file COPYING3. If not see
23 ;; <http://www.gnu.org/licenses/>.
27 (define_mode_iterator VEC_I [V16QI V8HI V4SI V2DI])
29 ;; Vector int modes for parity
30 (define_mode_iterator VEC_IP [V8HI
37 (define_mode_iterator VEC_F [V4SF V2DF])
39 ;; Vector arithmetic modes
40 (define_mode_iterator VEC_A [V16QI V8HI V4SI V2DI V4SF V2DF])
42 ;; Vector modes that need alginment via permutes
43 (define_mode_iterator VEC_K [V16QI V8HI V4SI V4SF])
45 ;; Vector logical modes
46 (define_mode_iterator VEC_L [V16QI V8HI V4SI V2DI V4SF V2DF V1TI TI KF TF])
48 ;; Vector modes for moves. Don't do TImode or TFmode here, since their
49 ;; moves are handled elsewhere.
50 (define_mode_iterator VEC_M [V16QI V8HI V4SI V2DI V4SF V2DF V1TI KF])
52 ;; Vector modes for types that don't need a realignment under VSX
53 (define_mode_iterator VEC_N [V4SI V4SF V2DI V2DF V1TI KF TF])
55 ;; Vector comparison modes
56 (define_mode_iterator VEC_C [V16QI V8HI V4SI V2DI V4SF V2DF])
58 ;; Vector init/extract modes
59 (define_mode_iterator VEC_E [V16QI V8HI V4SI V2DI V4SF V2DF])
61 ;; Vector modes for 64-bit base types
62 (define_mode_iterator VEC_64 [V2DI V2DF])
64 ;; Vector integer modes
65 (define_mode_iterator VI [V4SI V8HI V16QI])
67 ;; Base type from vector mode
68 (define_mode_attr VEC_base [(V16QI "QI")
77 ;; As above, but in lower case
78 (define_mode_attr VEC_base_l [(V16QI "qi")
87 ;; Same size integer type for floating point data
88 (define_mode_attr VEC_int [(V4SF "v4si")
91 (define_mode_attr VEC_INT [(V4SF "V4SI")
94 ;; constants for unspec
95 (define_c_enum "unspec" [UNSPEC_PREDICATE
99 ;; Vector reduction code iterators
100 (define_code_iterator VEC_reduc [plus smin smax])
102 (define_code_attr VEC_reduc_name [(plus "plus")
106 (define_code_attr VEC_reduc_rtx [(plus "add")
111 ;; Vector move instructions. Little-endian VSX loads and stores require
112 ;; special handling to circumvent "element endianness."
113 (define_expand "mov<mode>"
114 [(set (match_operand:VEC_M 0 "nonimmediate_operand")
115 (match_operand:VEC_M 1 "any_operand"))]
116 "VECTOR_MEM_ALTIVEC_OR_VSX_P (<MODE>mode)"
118 if (can_create_pseudo_p ())
120 if (CONSTANT_P (operands[1]))
122 if (FLOAT128_VECTOR_P (<MODE>mode))
124 if (!easy_fp_constant (operands[1], <MODE>mode))
125 operands[1] = force_const_mem (<MODE>mode, operands[1]);
127 else if (!easy_vector_constant (operands[1], <MODE>mode))
128 operands[1] = force_const_mem (<MODE>mode, operands[1]);
131 if (!vlogical_operand (operands[0], <MODE>mode)
132 && !vlogical_operand (operands[1], <MODE>mode))
133 operands[1] = force_reg (<MODE>mode, operands[1]);
135 /* When generating load/store instructions to/from VSX registers on
136 pre-power9 hardware in little endian mode, we need to emit register
137 permute instructions to byte swap the contents, since the VSX load/store
138 instructions do not include a byte swap as part of their operation.
139 Altivec loads and stores have no such problem, so we skip them below. */
140 if (!BYTES_BIG_ENDIAN
141 && VECTOR_MEM_VSX_P (<MODE>mode)
143 && !gpr_or_gpr_p (operands[0], operands[1])
144 && ((memory_operand (operands[0], <MODE>mode)
145 && !altivec_indexed_or_indirect_operand(operands[0], <MODE>mode))
146 ^ (memory_operand (operands[1], <MODE>mode)
147 && !altivec_indexed_or_indirect_operand(operands[1], <MODE>mode))))
149 rs6000_emit_le_vsx_move (operands[0], operands[1], <MODE>mode);
154 ;; Generic vector floating point load/store instructions. These will match
155 ;; insns defined in vsx.md or altivec.md depending on the switches.
156 (define_expand "vector_load_<mode>"
157 [(set (match_operand:VEC_M 0 "vfloat_operand")
158 (match_operand:VEC_M 1 "memory_operand"))]
159 "VECTOR_MEM_ALTIVEC_OR_VSX_P (<MODE>mode)"
162 (define_expand "vector_store_<mode>"
163 [(set (match_operand:VEC_M 0 "memory_operand")
164 (match_operand:VEC_M 1 "vfloat_operand"))]
165 "VECTOR_MEM_ALTIVEC_OR_VSX_P (<MODE>mode)"
168 ;; Splits if a GPR register was chosen for the move
170 [(set (match_operand:VEC_L 0 "nonimmediate_operand")
171 (match_operand:VEC_L 1 "input_operand"))]
172 "VECTOR_MEM_ALTIVEC_OR_VSX_P (<MODE>mode)
174 && gpr_or_gpr_p (operands[0], operands[1])
175 && !direct_move_p (operands[0], operands[1])
176 && !quad_load_store_p (operands[0], operands[1])"
179 rs6000_split_multireg_move (operands[0], operands[1]);
184 ;; Generic floating point vector arithmetic support
185 (define_expand "add<mode>3"
186 [(set (match_operand:VEC_F 0 "vfloat_operand")
187 (plus:VEC_F (match_operand:VEC_F 1 "vfloat_operand")
188 (match_operand:VEC_F 2 "vfloat_operand")))]
189 "VECTOR_UNIT_ALTIVEC_OR_VSX_P (<MODE>mode)"
192 (define_expand "sub<mode>3"
193 [(set (match_operand:VEC_F 0 "vfloat_operand")
194 (minus:VEC_F (match_operand:VEC_F 1 "vfloat_operand")
195 (match_operand:VEC_F 2 "vfloat_operand")))]
196 "VECTOR_UNIT_ALTIVEC_OR_VSX_P (<MODE>mode)"
199 (define_expand "mul<mode>3"
200 [(set (match_operand:VEC_F 0 "vfloat_operand")
201 (mult:VEC_F (match_operand:VEC_F 1 "vfloat_operand")
202 (match_operand:VEC_F 2 "vfloat_operand")))]
203 "VECTOR_UNIT_ALTIVEC_OR_VSX_P (<MODE>mode)"
205 if (<MODE>mode == V4SFmode && VECTOR_UNIT_ALTIVEC_P (<MODE>mode))
207 emit_insn (gen_altivec_mulv4sf3 (operands[0], operands[1], operands[2]));
212 (define_expand "div<mode>3"
213 [(set (match_operand:VEC_F 0 "vfloat_operand")
214 (div:VEC_F (match_operand:VEC_F 1 "vfloat_operand")
215 (match_operand:VEC_F 2 "vfloat_operand")))]
216 "VECTOR_UNIT_VSX_P (<MODE>mode)"
218 if (RS6000_RECIP_AUTO_RE_P (<MODE>mode)
219 && can_create_pseudo_p () && flag_finite_math_only
220 && !flag_trapping_math && flag_reciprocal_math)
222 rs6000_emit_swdiv (operands[0], operands[1], operands[2], true);
227 (define_expand "neg<mode>2"
228 [(set (match_operand:VEC_F 0 "vfloat_operand")
229 (neg:VEC_F (match_operand:VEC_F 1 "vfloat_operand")))]
230 "VECTOR_UNIT_ALTIVEC_OR_VSX_P (<MODE>mode)"
232 if (<MODE>mode == V4SFmode && VECTOR_UNIT_ALTIVEC_P (<MODE>mode))
234 emit_insn (gen_altivec_negv4sf2 (operands[0], operands[1]));
239 (define_expand "abs<mode>2"
240 [(set (match_operand:VEC_F 0 "vfloat_operand")
241 (abs:VEC_F (match_operand:VEC_F 1 "vfloat_operand")))]
242 "VECTOR_UNIT_ALTIVEC_OR_VSX_P (<MODE>mode)"
244 if (<MODE>mode == V4SFmode && VECTOR_UNIT_ALTIVEC_P (<MODE>mode))
246 emit_insn (gen_altivec_absv4sf2 (operands[0], operands[1]));
251 (define_expand "smin<mode>3"
252 [(set (match_operand:VEC_F 0 "register_operand")
253 (smin:VEC_F (match_operand:VEC_F 1 "register_operand")
254 (match_operand:VEC_F 2 "register_operand")))]
255 "VECTOR_UNIT_ALTIVEC_OR_VSX_P (<MODE>mode)"
258 (define_expand "smax<mode>3"
259 [(set (match_operand:VEC_F 0 "register_operand")
260 (smax:VEC_F (match_operand:VEC_F 1 "register_operand")
261 (match_operand:VEC_F 2 "register_operand")))]
262 "VECTOR_UNIT_ALTIVEC_OR_VSX_P (<MODE>mode)"
266 (define_expand "sqrt<mode>2"
267 [(set (match_operand:VEC_F 0 "vfloat_operand")
268 (sqrt:VEC_F (match_operand:VEC_F 1 "vfloat_operand")))]
269 "VECTOR_UNIT_VSX_P (<MODE>mode)"
271 if (<MODE>mode == V4SFmode
272 && !optimize_function_for_size_p (cfun)
273 && flag_finite_math_only && !flag_trapping_math
274 && flag_unsafe_math_optimizations)
276 rs6000_emit_swsqrt (operands[0], operands[1], 0);
281 (define_expand "rsqrte<mode>2"
282 [(set (match_operand:VEC_F 0 "vfloat_operand")
283 (unspec:VEC_F [(match_operand:VEC_F 1 "vfloat_operand")]
285 "VECTOR_UNIT_ALTIVEC_OR_VSX_P (<MODE>mode)"
288 (define_expand "re<mode>2"
289 [(set (match_operand:VEC_F 0 "vfloat_operand")
290 (unspec:VEC_F [(match_operand:VEC_F 1 "vfloat_operand")]
292 "VECTOR_UNIT_ALTIVEC_OR_VSX_P (<MODE>mode)"
295 (define_expand "ftrunc<mode>2"
296 [(set (match_operand:VEC_F 0 "vfloat_operand")
297 (fix:VEC_F (match_operand:VEC_F 1 "vfloat_operand")))]
298 "VECTOR_UNIT_ALTIVEC_OR_VSX_P (<MODE>mode)"
301 (define_expand "vector_ceil<mode>2"
302 [(set (match_operand:VEC_F 0 "vfloat_operand")
303 (unspec:VEC_F [(match_operand:VEC_F 1 "vfloat_operand")]
305 "VECTOR_UNIT_ALTIVEC_OR_VSX_P (<MODE>mode)"
308 (define_expand "vector_floor<mode>2"
309 [(set (match_operand:VEC_F 0 "vfloat_operand")
310 (unspec:VEC_F [(match_operand:VEC_F 1 "vfloat_operand")]
312 "VECTOR_UNIT_ALTIVEC_OR_VSX_P (<MODE>mode)"
315 (define_expand "vector_btrunc<mode>2"
316 [(set (match_operand:VEC_F 0 "vfloat_operand")
317 (fix:VEC_F (match_operand:VEC_F 1 "vfloat_operand")))]
318 "VECTOR_UNIT_ALTIVEC_OR_VSX_P (<MODE>mode)"
321 (define_expand "vector_copysign<mode>3"
322 [(set (match_operand:VEC_F 0 "vfloat_operand")
323 (unspec:VEC_F [(match_operand:VEC_F 1 "vfloat_operand")
324 (match_operand:VEC_F 2 "vfloat_operand")] UNSPEC_COPYSIGN))]
325 "VECTOR_UNIT_ALTIVEC_OR_VSX_P (<MODE>mode)"
327 if (<MODE>mode == V4SFmode && VECTOR_UNIT_ALTIVEC_P (<MODE>mode))
329 emit_insn (gen_altivec_copysign_v4sf3 (operands[0], operands[1],
336 ;; Vector comparisons
337 (define_expand "vcond<mode><mode>"
338 [(set (match_operand:VEC_F 0 "vfloat_operand")
340 (match_operator 3 "comparison_operator"
341 [(match_operand:VEC_F 4 "vfloat_operand")
342 (match_operand:VEC_F 5 "vfloat_operand")])
343 (match_operand:VEC_F 1 "vfloat_operand")
344 (match_operand:VEC_F 2 "vfloat_operand")))]
345 "VECTOR_UNIT_ALTIVEC_OR_VSX_P (<MODE>mode)"
347 if (rs6000_emit_vector_cond_expr (operands[0], operands[1], operands[2],
348 operands[3], operands[4], operands[5]))
354 (define_expand "vcond<mode><mode>"
355 [(set (match_operand:VEC_I 0 "vint_operand")
357 (match_operator 3 "comparison_operator"
358 [(match_operand:VEC_I 4 "vint_operand")
359 (match_operand:VEC_I 5 "vint_operand")])
360 (match_operand:VEC_I 1 "vector_int_reg_or_same_bit")
361 (match_operand:VEC_I 2 "vector_int_reg_or_same_bit")))]
362 "VECTOR_UNIT_ALTIVEC_OR_VSX_P (<MODE>mode)"
364 if (rs6000_emit_vector_cond_expr (operands[0], operands[1], operands[2],
365 operands[3], operands[4], operands[5]))
371 (define_expand "vcondv4sfv4si"
372 [(set (match_operand:V4SF 0 "vfloat_operand")
374 (match_operator 3 "comparison_operator"
375 [(match_operand:V4SI 4 "vint_operand")
376 (match_operand:V4SI 5 "vint_operand")])
377 (match_operand:V4SF 1 "vfloat_operand")
378 (match_operand:V4SF 2 "vfloat_operand")))]
379 "VECTOR_UNIT_ALTIVEC_OR_VSX_P (V4SFmode)
380 && VECTOR_UNIT_ALTIVEC_P (V4SImode)"
382 if (rs6000_emit_vector_cond_expr (operands[0], operands[1], operands[2],
383 operands[3], operands[4], operands[5]))
389 (define_expand "vcondv4siv4sf"
390 [(set (match_operand:V4SI 0 "vint_operand")
392 (match_operator 3 "comparison_operator"
393 [(match_operand:V4SF 4 "vfloat_operand")
394 (match_operand:V4SF 5 "vfloat_operand")])
395 (match_operand:V4SI 1 "vint_operand")
396 (match_operand:V4SI 2 "vint_operand")))]
397 "VECTOR_UNIT_ALTIVEC_OR_VSX_P (V4SFmode)
398 && VECTOR_UNIT_ALTIVEC_P (V4SImode)"
400 if (rs6000_emit_vector_cond_expr (operands[0], operands[1], operands[2],
401 operands[3], operands[4], operands[5]))
407 (define_expand "vcondv2dfv2di"
408 [(set (match_operand:V2DF 0 "vfloat_operand")
410 (match_operator 3 "comparison_operator"
411 [(match_operand:V2DI 4 "vint_operand")
412 (match_operand:V2DI 5 "vint_operand")])
413 (match_operand:V2DF 1 "vfloat_operand")
414 (match_operand:V2DF 2 "vfloat_operand")))]
415 "VECTOR_UNIT_ALTIVEC_OR_VSX_P (V2DFmode)
416 && VECTOR_UNIT_ALTIVEC_OR_VSX_P (V2DImode)"
418 if (rs6000_emit_vector_cond_expr (operands[0], operands[1], operands[2],
419 operands[3], operands[4], operands[5]))
425 (define_expand "vcondv2div2df"
426 [(set (match_operand:V2DI 0 "vint_operand")
428 (match_operator 3 "comparison_operator"
429 [(match_operand:V2DF 4 "vfloat_operand")
430 (match_operand:V2DF 5 "vfloat_operand")])
431 (match_operand:V2DI 1 "vint_operand")
432 (match_operand:V2DI 2 "vint_operand")))]
433 "VECTOR_UNIT_ALTIVEC_OR_VSX_P (V2DFmode)
434 && VECTOR_UNIT_ALTIVEC_OR_VSX_P (V2DImode)"
436 if (rs6000_emit_vector_cond_expr (operands[0], operands[1], operands[2],
437 operands[3], operands[4], operands[5]))
443 (define_expand "vcondu<mode><mode>"
444 [(set (match_operand:VEC_I 0 "vint_operand")
446 (match_operator 3 "comparison_operator"
447 [(match_operand:VEC_I 4 "vint_operand")
448 (match_operand:VEC_I 5 "vint_operand")])
449 (match_operand:VEC_I 1 "vector_int_reg_or_same_bit")
450 (match_operand:VEC_I 2 "vector_int_reg_or_same_bit")))]
451 "VECTOR_UNIT_ALTIVEC_OR_VSX_P (<MODE>mode)"
453 if (rs6000_emit_vector_cond_expr (operands[0], operands[1], operands[2],
454 operands[3], operands[4], operands[5]))
460 (define_expand "vconduv4sfv4si"
461 [(set (match_operand:V4SF 0 "vfloat_operand")
463 (match_operator 3 "comparison_operator"
464 [(match_operand:V4SI 4 "vint_operand")
465 (match_operand:V4SI 5 "vint_operand")])
466 (match_operand:V4SF 1 "vfloat_operand")
467 (match_operand:V4SF 2 "vfloat_operand")))]
468 "VECTOR_UNIT_ALTIVEC_OR_VSX_P (V4SFmode)
469 && VECTOR_UNIT_ALTIVEC_P (V4SImode)"
471 if (rs6000_emit_vector_cond_expr (operands[0], operands[1], operands[2],
472 operands[3], operands[4], operands[5]))
478 (define_expand "vconduv2dfv2di"
479 [(set (match_operand:V2DF 0 "vfloat_operand")
481 (match_operator 3 "comparison_operator"
482 [(match_operand:V2DI 4 "vint_operand")
483 (match_operand:V2DI 5 "vint_operand")])
484 (match_operand:V2DF 1 "vfloat_operand")
485 (match_operand:V2DF 2 "vfloat_operand")))]
486 "VECTOR_UNIT_ALTIVEC_OR_VSX_P (V2DFmode)
487 && VECTOR_UNIT_ALTIVEC_OR_VSX_P (V2DImode)"
489 if (rs6000_emit_vector_cond_expr (operands[0], operands[1], operands[2],
490 operands[3], operands[4], operands[5]))
496 (define_expand "vector_eq<mode>"
497 [(set (match_operand:VEC_C 0 "vlogical_operand")
498 (eq:VEC_C (match_operand:VEC_C 1 "vlogical_operand")
499 (match_operand:VEC_C 2 "vlogical_operand")))]
500 "VECTOR_UNIT_ALTIVEC_OR_VSX_P (<MODE>mode)"
503 (define_expand "vector_gt<mode>"
504 [(set (match_operand:VEC_C 0 "vlogical_operand")
505 (gt:VEC_C (match_operand:VEC_C 1 "vlogical_operand")
506 (match_operand:VEC_C 2 "vlogical_operand")))]
507 "VECTOR_UNIT_ALTIVEC_OR_VSX_P (<MODE>mode)"
510 (define_expand "vector_ge<mode>"
511 [(set (match_operand:VEC_F 0 "vlogical_operand")
512 (ge:VEC_F (match_operand:VEC_F 1 "vlogical_operand")
513 (match_operand:VEC_F 2 "vlogical_operand")))]
514 "VECTOR_UNIT_ALTIVEC_OR_VSX_P (<MODE>mode)"
517 ; >= for integer vectors: swap operands and apply not-greater-than
518 (define_expand "vector_nlt<mode>"
519 [(set (match_operand:VEC_I 3 "vlogical_operand")
520 (gt:VEC_I (match_operand:VEC_I 2 "vlogical_operand")
521 (match_operand:VEC_I 1 "vlogical_operand")))
522 (set (match_operand:VEC_I 0 "vlogical_operand")
523 (not:VEC_I (match_dup 3)))]
524 "VECTOR_UNIT_ALTIVEC_OR_VSX_P (<MODE>mode)"
526 operands[3] = gen_reg_rtx_and_attrs (operands[0]);
529 (define_expand "vector_gtu<mode>"
530 [(set (match_operand:VEC_I 0 "vint_operand")
531 (gtu:VEC_I (match_operand:VEC_I 1 "vint_operand")
532 (match_operand:VEC_I 2 "vint_operand")))]
533 "VECTOR_UNIT_ALTIVEC_OR_VSX_P (<MODE>mode)"
536 ; >= for integer vectors: swap operands and apply not-greater-than
537 (define_expand "vector_nltu<mode>"
538 [(set (match_operand:VEC_I 3 "vlogical_operand")
539 (gtu:VEC_I (match_operand:VEC_I 2 "vlogical_operand")
540 (match_operand:VEC_I 1 "vlogical_operand")))
541 (set (match_operand:VEC_I 0 "vlogical_operand")
542 (not:VEC_I (match_dup 3)))]
543 "VECTOR_UNIT_ALTIVEC_OR_VSX_P (<MODE>mode)"
545 operands[3] = gen_reg_rtx_and_attrs (operands[0]);
548 (define_expand "vector_geu<mode>"
549 [(set (match_operand:VEC_I 0 "vint_operand")
550 (geu:VEC_I (match_operand:VEC_I 1 "vint_operand")
551 (match_operand:VEC_I 2 "vint_operand")))]
552 "VECTOR_UNIT_ALTIVEC_OR_VSX_P (<MODE>mode)"
555 ; <= for integer vectors: apply not-greater-than
556 (define_expand "vector_ngt<mode>"
557 [(set (match_operand:VEC_I 3 "vlogical_operand")
558 (gt:VEC_I (match_operand:VEC_I 1 "vlogical_operand")
559 (match_operand:VEC_I 2 "vlogical_operand")))
560 (set (match_operand:VEC_I 0 "vlogical_operand")
561 (not:VEC_I (match_dup 3)))]
562 "VECTOR_UNIT_ALTIVEC_OR_VSX_P (<MODE>mode)"
564 operands[3] = gen_reg_rtx_and_attrs (operands[0]);
567 (define_expand "vector_ngtu<mode>"
568 [(set (match_operand:VEC_I 3 "vlogical_operand")
569 (gtu:VEC_I (match_operand:VEC_I 1 "vlogical_operand")
570 (match_operand:VEC_I 2 "vlogical_operand")))
571 (set (match_operand:VEC_I 0 "vlogical_operand")
572 (not:VEC_I (match_dup 3)))]
573 "VECTOR_UNIT_ALTIVEC_OR_VSX_P (<MODE>mode)"
575 operands[3] = gen_reg_rtx_and_attrs (operands[0]);
578 (define_insn_and_split "*vector_uneq<mode>"
579 [(set (match_operand:VEC_F 0 "vfloat_operand")
580 (uneq:VEC_F (match_operand:VEC_F 1 "vfloat_operand")
581 (match_operand:VEC_F 2 "vfloat_operand")))]
582 "VECTOR_UNIT_ALTIVEC_OR_VSX_P (<MODE>mode)"
586 (gt:VEC_F (match_dup 1)
589 (gt:VEC_F (match_dup 2)
592 (and:VEC_F (not:VEC_F (match_dup 3))
593 (not:VEC_F (match_dup 4))))]
595 operands[3] = gen_reg_rtx (<MODE>mode);
596 operands[4] = gen_reg_rtx (<MODE>mode);
599 (define_insn_and_split "*vector_ltgt<mode>"
600 [(set (match_operand:VEC_F 0 "vfloat_operand")
601 (ltgt:VEC_F (match_operand:VEC_F 1 "vfloat_operand")
602 (match_operand:VEC_F 2 "vfloat_operand")))]
603 "VECTOR_UNIT_ALTIVEC_OR_VSX_P (<MODE>mode)"
607 (gt:VEC_F (match_dup 1)
610 (gt:VEC_F (match_dup 2)
613 (ior:VEC_F (match_dup 3)
616 operands[3] = gen_reg_rtx (<MODE>mode);
617 operands[4] = gen_reg_rtx (<MODE>mode);
620 (define_insn_and_split "*vector_ordered<mode>"
621 [(set (match_operand:VEC_F 0 "vfloat_operand")
622 (ordered:VEC_F (match_operand:VEC_F 1 "vfloat_operand")
623 (match_operand:VEC_F 2 "vfloat_operand")))]
624 "VECTOR_UNIT_ALTIVEC_OR_VSX_P (<MODE>mode)"
628 (ge:VEC_F (match_dup 1)
631 (ge:VEC_F (match_dup 2)
634 (ior:VEC_F (match_dup 3)
637 operands[3] = gen_reg_rtx (<MODE>mode);
638 operands[4] = gen_reg_rtx (<MODE>mode);
641 (define_insn_and_split "*vector_unordered<mode>"
642 [(set (match_operand:VEC_F 0 "vfloat_operand")
643 (unordered:VEC_F (match_operand:VEC_F 1 "vfloat_operand")
644 (match_operand:VEC_F 2 "vfloat_operand")))]
645 "VECTOR_UNIT_ALTIVEC_OR_VSX_P (<MODE>mode)"
649 (ge:VEC_F (match_dup 1)
652 (ge:VEC_F (match_dup 2)
655 (and:VEC_F (not:VEC_F (match_dup 3))
656 (not:VEC_F (match_dup 4))))]
658 operands[3] = gen_reg_rtx (<MODE>mode);
659 operands[4] = gen_reg_rtx (<MODE>mode);
662 ;; Note the arguments for __builtin_altivec_vsel are op2, op1, mask
663 ;; which is in the reverse order that we want
664 (define_expand "vector_select_<mode>"
665 [(set (match_operand:VEC_L 0 "vlogical_operand")
667 (ne:CC (match_operand:VEC_L 3 "vlogical_operand")
669 (match_operand:VEC_L 2 "vlogical_operand")
670 (match_operand:VEC_L 1 "vlogical_operand")))]
671 "VECTOR_UNIT_ALTIVEC_OR_VSX_P (<MODE>mode)"
672 "operands[4] = CONST0_RTX (<MODE>mode);")
674 (define_expand "vector_select_<mode>_uns"
675 [(set (match_operand:VEC_L 0 "vlogical_operand")
677 (ne:CCUNS (match_operand:VEC_L 3 "vlogical_operand")
679 (match_operand:VEC_L 2 "vlogical_operand")
680 (match_operand:VEC_L 1 "vlogical_operand")))]
681 "VECTOR_UNIT_ALTIVEC_OR_VSX_P (<MODE>mode)"
682 "operands[4] = CONST0_RTX (<MODE>mode);")
684 ;; Expansions that compare vectors producing a vector result and a predicate,
685 ;; setting CR6 to indicate a combined status
686 (define_expand "vector_eq_<mode>_p"
688 [(set (reg:CC CR6_REGNO)
689 (unspec:CC [(eq:CC (match_operand:VEC_A 1 "vlogical_operand")
690 (match_operand:VEC_A 2 "vlogical_operand"))]
692 (set (match_operand:VEC_A 0 "vlogical_operand")
693 (eq:VEC_A (match_dup 1)
695 "VECTOR_UNIT_ALTIVEC_OR_VSX_P (<MODE>mode)"
698 ;; This expansion handles the V16QI, V8HI, and V4SI modes in the
699 ;; implementation of the vec_all_ne built-in functions on Power9.
700 (define_expand "vector_ne_<mode>_p"
702 [(set (reg:CC CR6_REGNO)
703 (unspec:CC [(ne:CC (match_operand:VI 1 "vlogical_operand")
704 (match_operand:VI 2 "vlogical_operand"))]
709 (set (match_operand:SI 0 "register_operand" "=r")
710 (lt:SI (reg:CC CR6_REGNO)
714 operands[3] = gen_reg_rtx (<MODE>mode);
717 ;; This expansion handles the V16QI, V8HI, and V4SI modes in the
718 ;; implementation of the vec_any_eq built-in functions on Power9.
719 (define_expand "vector_ae_<mode>_p"
721 [(set (reg:CC CR6_REGNO)
722 (unspec:CC [(ne:CC (match_operand:VI 1 "vlogical_operand")
723 (match_operand:VI 2 "vlogical_operand"))]
728 (set (match_operand:SI 0 "register_operand" "=r")
729 (lt:SI (reg:CC CR6_REGNO)
732 (xor:SI (match_dup 0)
736 operands[3] = gen_reg_rtx (<MODE>mode);
739 ;; This expansion handles the V16QI, V8HI, and V4SI modes in the
740 ;; implementation of the vec_all_nez and vec_any_eqz built-in
741 ;; functions on Power9.
742 (define_expand "vector_nez_<mode>_p"
744 [(set (reg:CC CR6_REGNO)
745 (unspec:CC [(unspec:VI
746 [(match_operand:VI 1 "vlogical_operand")
747 (match_operand:VI 2 "vlogical_operand")]
750 (set (match_operand:VI 0 "vlogical_operand")
751 (unspec:VI [(match_dup 1)
757 ;; This expansion handles the V2DI mode in the implementation of the
758 ;; vec_all_ne built-in function on Power9.
760 ;; Since the Power9 "xvcmpne<mode>." instruction does not support DImode,
761 ;; this expands into the same rtl that would be used for the Power8
763 (define_expand "vector_ne_v2di_p"
765 [(set (reg:CC CR6_REGNO)
766 (unspec:CC [(eq:CC (match_operand:V2DI 1 "vlogical_operand")
767 (match_operand:V2DI 2 "vlogical_operand"))]
770 (eq:V2DI (match_dup 1)
772 (set (match_operand:SI 0 "register_operand" "=r")
773 (eq:SI (reg:CC CR6_REGNO)
777 operands[3] = gen_reg_rtx (V2DImode);
780 ;; This expansion handles the V2DI mode in the implementation of the
781 ;; vec_any_eq built-in function on Power9.
783 ;; Since the Power9 "xvcmpne<mode>." instruction does not support DImode,
784 ;; this expands into the same rtl that would be used for the Power8
786 (define_expand "vector_ae_v2di_p"
788 [(set (reg:CC CR6_REGNO)
789 (unspec:CC [(eq:CC (match_operand:V2DI 1 "vlogical_operand")
790 (match_operand:V2DI 2 "vlogical_operand"))]
793 (eq:V2DI (match_dup 1)
795 (set (match_operand:SI 0 "register_operand" "=r")
796 (eq:SI (reg:CC CR6_REGNO)
799 (xor:SI (match_dup 0)
803 operands[3] = gen_reg_rtx (V2DImode);
806 ;; This expansion handles the V4SF and V2DF modes in the Power9
807 ;; implementation of the vec_all_ne built-in functions. Note that the
808 ;; expansions for this pattern with these modes makes no use of power9-
809 ;; specific instructions since there are no new power9 instructions
810 ;; for vector compare not equal with floating point arguments.
811 (define_expand "vector_ne_<mode>_p"
813 [(set (reg:CC CR6_REGNO)
814 (unspec:CC [(eq:CC (match_operand:VEC_F 1 "vlogical_operand")
815 (match_operand:VEC_F 2 "vlogical_operand"))]
818 (eq:VEC_F (match_dup 1)
820 (set (match_operand:SI 0 "register_operand" "=r")
821 (eq:SI (reg:CC CR6_REGNO)
825 operands[3] = gen_reg_rtx (<MODE>mode);
828 ;; This expansion handles the V4SF and V2DF modes in the Power9
829 ;; implementation of the vec_any_eq built-in functions. Note that the
830 ;; expansions for this pattern with these modes makes no use of power9-
831 ;; specific instructions since there are no new power9 instructions
832 ;; for vector compare not equal with floating point arguments.
833 (define_expand "vector_ae_<mode>_p"
835 [(set (reg:CC CR6_REGNO)
836 (unspec:CC [(eq:CC (match_operand:VEC_F 1 "vlogical_operand")
837 (match_operand:VEC_F 2 "vlogical_operand"))]
840 (eq:VEC_F (match_dup 1)
842 (set (match_operand:SI 0 "register_operand" "=r")
843 (eq:SI (reg:CC CR6_REGNO)
846 (xor:SI (match_dup 0)
850 operands[3] = gen_reg_rtx (<MODE>mode);
853 (define_expand "vector_gt_<mode>_p"
855 [(set (reg:CC CR6_REGNO)
856 (unspec:CC [(gt:CC (match_operand:VEC_A 1 "vlogical_operand")
857 (match_operand:VEC_A 2 "vlogical_operand"))]
859 (set (match_operand:VEC_A 0 "vlogical_operand")
860 (gt:VEC_A (match_dup 1)
862 "VECTOR_UNIT_ALTIVEC_OR_VSX_P (<MODE>mode)"
865 (define_expand "vector_ge_<mode>_p"
867 [(set (reg:CC CR6_REGNO)
868 (unspec:CC [(ge:CC (match_operand:VEC_F 1 "vfloat_operand")
869 (match_operand:VEC_F 2 "vfloat_operand"))]
871 (set (match_operand:VEC_F 0 "vfloat_operand")
872 (ge:VEC_F (match_dup 1)
874 "VECTOR_UNIT_ALTIVEC_OR_VSX_P (<MODE>mode)"
877 (define_expand "vector_gtu_<mode>_p"
879 [(set (reg:CC CR6_REGNO)
880 (unspec:CC [(gtu:CC (match_operand:VEC_I 1 "vint_operand")
881 (match_operand:VEC_I 2 "vint_operand"))]
883 (set (match_operand:VEC_I 0 "vlogical_operand")
884 (gtu:VEC_I (match_dup 1)
886 "VECTOR_UNIT_ALTIVEC_OR_VSX_P (<MODE>mode)"
889 ;; AltiVec/VSX predicates.
891 ;; This expansion is triggered during expansion of predicate built-in
892 ;; functions (built-ins defined with the RS6000_BUILTIN_P macro) by the
893 ;; altivec_expand_predicate_builtin() function when the value of the
894 ;; integer constant first argument equals zero (aka __CR6_EQ in altivec.h).
895 (define_expand "cr6_test_for_zero"
896 [(set (match_operand:SI 0 "register_operand" "=r")
897 (eq:SI (reg:CC CR6_REGNO)
899 "TARGET_ALTIVEC || TARGET_VSX"
902 ;; This expansion is triggered during expansion of predicate built-in
903 ;; functions (built-ins defined with the RS6000_BUILTIN_P macro) by the
904 ;; altivec_expand_predicate_builtin() function when the value of the
905 ;; integer constant first argument equals one (aka __CR6_EQ_REV in altivec.h).
906 (define_expand "cr6_test_for_zero_reverse"
907 [(set (match_operand:SI 0 "register_operand" "=r")
908 (eq:SI (reg:CC CR6_REGNO)
911 (xor:SI (match_dup 0)
913 "TARGET_ALTIVEC || TARGET_VSX"
916 ;; This expansion is triggered during expansion of predicate built-in
917 ;; functions (built-ins defined with the RS6000_BUILTIN_P macro) by the
918 ;; altivec_expand_predicate_builtin() function when the value of the
919 ;; integer constant first argument equals two (aka __CR6_LT in altivec.h).
920 (define_expand "cr6_test_for_lt"
921 [(set (match_operand:SI 0 "register_operand" "=r")
922 (lt:SI (reg:CC CR6_REGNO)
924 "TARGET_ALTIVEC || TARGET_VSX"
927 ;; This expansion is triggered during expansion of predicate built-in
928 ;; functions (built-ins defined with the RS6000_BUILTIN_P macro) by the
929 ;; altivec_expand_predicate_builtin() function when the value of the
930 ;; integer constant first argument equals three
931 ;; (aka __CR6_LT_REV in altivec.h).
932 (define_expand "cr6_test_for_lt_reverse"
933 [(set (match_operand:SI 0 "register_operand" "=r")
934 (lt:SI (reg:CC CR6_REGNO)
937 (xor:SI (match_dup 0)
939 "TARGET_ALTIVEC || TARGET_VSX"
943 ;; Vector count leading zeros
944 (define_expand "clz<mode>2"
945 [(set (match_operand:VEC_I 0 "register_operand")
946 (clz:VEC_I (match_operand:VEC_I 1 "register_operand")))]
949 ;; Vector count trailing zeros
950 (define_expand "ctz<mode>2"
951 [(set (match_operand:VEC_I 0 "register_operand")
952 (ctz:VEC_I (match_operand:VEC_I 1 "register_operand")))]
955 ;; Vector population count
956 (define_expand "popcount<mode>2"
957 [(set (match_operand:VEC_I 0 "register_operand")
958 (popcount:VEC_I (match_operand:VEC_I 1 "register_operand")))]
962 (define_expand "parity<mode>2"
963 [(set (match_operand:VEC_IP 0 "register_operand")
964 (parity:VEC_IP (match_operand:VEC_IP 1 "register_operand")))]
968 ;; Same size conversions
969 (define_expand "float<VEC_int><mode>2"
970 [(set (match_operand:VEC_F 0 "vfloat_operand")
971 (float:VEC_F (match_operand:<VEC_INT> 1 "vint_operand")))]
972 "VECTOR_UNIT_ALTIVEC_OR_VSX_P (<MODE>mode)"
974 if (<MODE>mode == V4SFmode && VECTOR_UNIT_ALTIVEC_P (<MODE>mode))
976 emit_insn (gen_altivec_vcfsx (operands[0], operands[1], const0_rtx));
981 (define_expand "floatuns<VEC_int><mode>2"
982 [(set (match_operand:VEC_F 0 "vfloat_operand")
983 (unsigned_float:VEC_F (match_operand:<VEC_INT> 1 "vint_operand")))]
984 "VECTOR_UNIT_ALTIVEC_OR_VSX_P (<MODE>mode)"
986 if (<MODE>mode == V4SFmode && VECTOR_UNIT_ALTIVEC_P (<MODE>mode))
988 emit_insn (gen_altivec_vcfux (operands[0], operands[1], const0_rtx));
993 (define_expand "fix_trunc<mode><VEC_int>2"
994 [(set (match_operand:<VEC_INT> 0 "vint_operand")
995 (fix:<VEC_INT> (match_operand:VEC_F 1 "vfloat_operand")))]
996 "VECTOR_UNIT_ALTIVEC_OR_VSX_P (<MODE>mode)"
998 if (<MODE>mode == V4SFmode && VECTOR_UNIT_ALTIVEC_P (<MODE>mode))
1000 emit_insn (gen_altivec_vctsxs (operands[0], operands[1], const0_rtx));
1005 (define_expand "fixuns_trunc<mode><VEC_int>2"
1006 [(set (match_operand:<VEC_INT> 0 "vint_operand")
1007 (unsigned_fix:<VEC_INT> (match_operand:VEC_F 1 "vfloat_operand")))]
1008 "VECTOR_UNIT_ALTIVEC_OR_VSX_P (<MODE>mode)"
1010 if (<MODE>mode == V4SFmode && VECTOR_UNIT_ALTIVEC_P (<MODE>mode))
1012 emit_insn (gen_altivec_vctuxs (operands[0], operands[1], const0_rtx));
1018 ;; Vector initialization, set, extract
1019 (define_expand "vec_init<mode><VEC_base_l>"
1020 [(match_operand:VEC_E 0 "vlogical_operand")
1021 (match_operand:VEC_E 1 "")]
1022 "VECTOR_MEM_ALTIVEC_OR_VSX_P (<MODE>mode)"
1024 rs6000_expand_vector_init (operands[0], operands[1]);
1028 (define_expand "vec_set<mode>"
1029 [(match_operand:VEC_E 0 "vlogical_operand")
1030 (match_operand:<VEC_base> 1 "register_operand")
1031 (match_operand 2 "const_int_operand")]
1032 "VECTOR_MEM_ALTIVEC_OR_VSX_P (<MODE>mode)"
1034 rs6000_expand_vector_set (operands[0], operands[1], INTVAL (operands[2]));
1038 (define_expand "vec_extract<mode><VEC_base_l>"
1039 [(match_operand:<VEC_base> 0 "register_operand")
1040 (match_operand:VEC_E 1 "vlogical_operand")
1041 (match_operand 2 "const_int_operand")]
1042 "VECTOR_MEM_ALTIVEC_OR_VSX_P (<MODE>mode)"
1044 rs6000_expand_vector_extract (operands[0], operands[1], operands[2]);
1048 ;; Convert double word types to single word types
1049 (define_expand "vec_pack_trunc_v2df"
1050 [(match_operand:V4SF 0 "vfloat_operand")
1051 (match_operand:V2DF 1 "vfloat_operand")
1052 (match_operand:V2DF 2 "vfloat_operand")]
1053 "VECTOR_UNIT_VSX_P (V2DFmode) && TARGET_ALTIVEC"
1055 rtx r1 = gen_reg_rtx (V4SFmode);
1056 rtx r2 = gen_reg_rtx (V4SFmode);
1058 emit_insn (gen_vsx_xvcvdpsp (r1, operands[1]));
1059 emit_insn (gen_vsx_xvcvdpsp (r2, operands[2]));
1060 rs6000_expand_extract_even (operands[0], r1, r2);
1064 (define_expand "vec_pack_sfix_trunc_v2df"
1065 [(match_operand:V4SI 0 "vint_operand")
1066 (match_operand:V2DF 1 "vfloat_operand")
1067 (match_operand:V2DF 2 "vfloat_operand")]
1068 "VECTOR_UNIT_VSX_P (V2DFmode) && TARGET_ALTIVEC"
1070 rtx r1 = gen_reg_rtx (V4SImode);
1071 rtx r2 = gen_reg_rtx (V4SImode);
1073 emit_insn (gen_vsx_xvcvdpsxws (r1, operands[1]));
1074 emit_insn (gen_vsx_xvcvdpsxws (r2, operands[2]));
1075 rs6000_expand_extract_even (operands[0], r1, r2);
1079 (define_expand "vec_pack_ufix_trunc_v2df"
1080 [(match_operand:V4SI 0 "vint_operand")
1081 (match_operand:V2DF 1 "vfloat_operand")
1082 (match_operand:V2DF 2 "vfloat_operand")]
1083 "VECTOR_UNIT_VSX_P (V2DFmode) && TARGET_ALTIVEC"
1085 rtx r1 = gen_reg_rtx (V4SImode);
1086 rtx r2 = gen_reg_rtx (V4SImode);
1088 emit_insn (gen_vsx_xvcvdpuxws (r1, operands[1]));
1089 emit_insn (gen_vsx_xvcvdpuxws (r2, operands[2]));
1090 rs6000_expand_extract_even (operands[0], r1, r2);
1094 ;; Convert single word types to double word
1095 (define_expand "vec_unpacks_hi_v4sf"
1096 [(match_operand:V2DF 0 "vfloat_operand")
1097 (match_operand:V4SF 1 "vfloat_operand")]
1098 "VECTOR_UNIT_VSX_P (V2DFmode) && VECTOR_UNIT_ALTIVEC_OR_VSX_P (V4SFmode)"
1100 rtx reg = gen_reg_rtx (V4SFmode);
1102 rs6000_expand_interleave (reg, operands[1], operands[1], BYTES_BIG_ENDIAN);
1103 emit_insn (gen_vsx_xvcvspdp (operands[0], reg));
1107 (define_expand "vec_unpacks_lo_v4sf"
1108 [(match_operand:V2DF 0 "vfloat_operand")
1109 (match_operand:V4SF 1 "vfloat_operand")]
1110 "VECTOR_UNIT_VSX_P (V2DFmode) && VECTOR_UNIT_ALTIVEC_OR_VSX_P (V4SFmode)"
1112 rtx reg = gen_reg_rtx (V4SFmode);
1114 rs6000_expand_interleave (reg, operands[1], operands[1], !BYTES_BIG_ENDIAN);
1115 emit_insn (gen_vsx_xvcvspdp (operands[0], reg));
1119 (define_expand "vec_unpacks_float_hi_v4si"
1120 [(match_operand:V2DF 0 "vfloat_operand")
1121 (match_operand:V4SI 1 "vint_operand")]
1122 "VECTOR_UNIT_VSX_P (V2DFmode) && VECTOR_UNIT_ALTIVEC_OR_VSX_P (V4SImode)"
1124 rtx reg = gen_reg_rtx (V4SImode);
1126 rs6000_expand_interleave (reg, operands[1], operands[1], BYTES_BIG_ENDIAN);
1127 emit_insn (gen_vsx_xvcvsxwdp (operands[0], reg));
1131 (define_expand "vec_unpacks_float_lo_v4si"
1132 [(match_operand:V2DF 0 "vfloat_operand")
1133 (match_operand:V4SI 1 "vint_operand")]
1134 "VECTOR_UNIT_VSX_P (V2DFmode) && VECTOR_UNIT_ALTIVEC_OR_VSX_P (V4SImode)"
1136 rtx reg = gen_reg_rtx (V4SImode);
1138 rs6000_expand_interleave (reg, operands[1], operands[1], !BYTES_BIG_ENDIAN);
1139 emit_insn (gen_vsx_xvcvsxwdp (operands[0], reg));
1143 (define_expand "vec_unpacku_float_hi_v4si"
1144 [(match_operand:V2DF 0 "vfloat_operand")
1145 (match_operand:V4SI 1 "vint_operand")]
1146 "VECTOR_UNIT_VSX_P (V2DFmode) && VECTOR_UNIT_ALTIVEC_OR_VSX_P (V4SImode)"
1148 rtx reg = gen_reg_rtx (V4SImode);
1150 rs6000_expand_interleave (reg, operands[1], operands[1], BYTES_BIG_ENDIAN);
1151 emit_insn (gen_vsx_xvcvuxwdp (operands[0], reg));
1155 (define_expand "vec_unpacku_float_lo_v4si"
1156 [(match_operand:V2DF 0 "vfloat_operand")
1157 (match_operand:V4SI 1 "vint_operand")]
1158 "VECTOR_UNIT_VSX_P (V2DFmode) && VECTOR_UNIT_ALTIVEC_OR_VSX_P (V4SImode)"
1160 rtx reg = gen_reg_rtx (V4SImode);
1162 rs6000_expand_interleave (reg, operands[1], operands[1], !BYTES_BIG_ENDIAN);
1163 emit_insn (gen_vsx_xvcvuxwdp (operands[0], reg));
1168 ;; Align vector loads with a permute.
1169 (define_expand "vec_realign_load_<mode>"
1170 [(match_operand:VEC_K 0 "vlogical_operand")
1171 (match_operand:VEC_K 1 "vlogical_operand")
1172 (match_operand:VEC_K 2 "vlogical_operand")
1173 (match_operand:V16QI 3 "vlogical_operand")]
1174 "VECTOR_MEM_ALTIVEC_OR_VSX_P (<MODE>mode)"
1176 if (BYTES_BIG_ENDIAN)
1177 emit_insn (gen_altivec_vperm_<mode> (operands[0], operands[1],
1178 operands[2], operands[3]));
1181 /* We have changed lvsr to lvsl, so to complete the transformation
1182 of vperm for LE, we must swap the inputs. */
1183 rtx unspec = gen_rtx_UNSPEC (<MODE>mode,
1184 gen_rtvec (3, operands[2],
1185 operands[1], operands[3]),
1187 emit_move_insn (operands[0], unspec);
1192 ;; Under VSX, vectors of 4/8 byte alignments do not need to be aligned
1193 ;; since the load already handles it.
1194 (define_expand "movmisalign<mode>"
1195 [(set (match_operand:VEC_N 0 "nonimmediate_operand")
1196 (match_operand:VEC_N 1 "any_operand"))]
1197 "VECTOR_MEM_VSX_P (<MODE>mode) && TARGET_ALLOW_MOVMISALIGN"
1200 ;; Vector shift right in bits. Currently supported ony for shift
1201 ;; amounts that can be expressed as byte shifts (divisible by 8).
1202 ;; General shift amounts can be supported using vsro + vsr. We're
1203 ;; not expecting to see these yet (the vectorizer currently
1204 ;; generates only shifts by a whole number of vector elements).
1205 ;; Note that the vec_shr operation is actually defined as
1206 ;; 'shift toward element 0' so is a shr for LE and shl for BE.
1207 (define_expand "vec_shr_<mode>"
1208 [(match_operand:VEC_L 0 "vlogical_operand")
1209 (match_operand:VEC_L 1 "vlogical_operand")
1210 (match_operand:QI 2 "reg_or_short_operand")]
1213 rtx bitshift = operands[2];
1216 rtx zero_reg, op1, op2;
1217 HOST_WIDE_INT bitshift_val;
1218 HOST_WIDE_INT byteshift_val;
1220 if (! CONSTANT_P (bitshift))
1222 bitshift_val = INTVAL (bitshift);
1223 if (bitshift_val & 0x7)
1225 byteshift_val = (bitshift_val >> 3);
1226 zero_reg = gen_reg_rtx (<MODE>mode);
1227 emit_move_insn (zero_reg, CONST0_RTX (<MODE>mode));
1228 if (!BYTES_BIG_ENDIAN)
1230 byteshift_val = 16 - byteshift_val;
1240 if (TARGET_VSX && (byteshift_val & 0x3) == 0)
1242 shift = gen_rtx_CONST_INT (QImode, byteshift_val >> 2);
1243 insn = gen_vsx_xxsldwi_<mode> (operands[0], op1, op2, shift);
1247 shift = gen_rtx_CONST_INT (QImode, byteshift_val);
1248 insn = gen_altivec_vsldoi_<mode> (operands[0], op1, op2, shift);
1255 ;; Expanders for rotate each element in a vector
1256 (define_expand "vrotl<mode>3"
1257 [(set (match_operand:VEC_I 0 "vint_operand")
1258 (rotate:VEC_I (match_operand:VEC_I 1 "vint_operand")
1259 (match_operand:VEC_I 2 "vint_operand")))]
1260 "VECTOR_UNIT_ALTIVEC_OR_VSX_P (<MODE>mode)"
1263 ;; Expanders for arithmetic shift left on each vector element
1264 (define_expand "vashl<mode>3"
1265 [(set (match_operand:VEC_I 0 "vint_operand")
1266 (ashift:VEC_I (match_operand:VEC_I 1 "vint_operand")
1267 (match_operand:VEC_I 2 "vint_operand")))]
1268 "VECTOR_UNIT_ALTIVEC_OR_VSX_P (<MODE>mode)"
1271 ;; Expanders for logical shift right on each vector element
1272 (define_expand "vlshr<mode>3"
1273 [(set (match_operand:VEC_I 0 "vint_operand")
1274 (lshiftrt:VEC_I (match_operand:VEC_I 1 "vint_operand")
1275 (match_operand:VEC_I 2 "vint_operand")))]
1276 "VECTOR_UNIT_ALTIVEC_OR_VSX_P (<MODE>mode)"
1279 ;; Expanders for arithmetic shift right on each vector element
1280 (define_expand "vashr<mode>3"
1281 [(set (match_operand:VEC_I 0 "vint_operand")
1282 (ashiftrt:VEC_I (match_operand:VEC_I 1 "vint_operand")
1283 (match_operand:VEC_I 2 "vint_operand")))]
1284 "VECTOR_UNIT_ALTIVEC_OR_VSX_P (<MODE>mode)"
1287 ;; Vector reduction expanders for VSX
1288 ; The (VEC_reduc:...
1290 ; (unspec:... [(const_int 0)] UNSPEC_REDUC))
1292 ; is to allow us to use a code iterator, but not completely list all of the
1293 ; vector rotates, etc. to prevent canonicalization
1296 (define_expand "reduc_<VEC_reduc:VEC_reduc_name>_scal_<VEC_F:mode>"
1297 [(match_operand:<VEC_base> 0 "register_operand")
1298 (VEC_reduc:VEC_F (match_operand:VEC_F 1 "vfloat_operand")
1299 (unspec:VEC_F [(const_int 0)] UNSPEC_REDUC))]
1300 "VECTOR_UNIT_VSX_P (<VEC_F:MODE>mode)"
1302 rtx vec = gen_reg_rtx (<VEC_F:MODE>mode);
1303 rtx elt = BYTES_BIG_ENDIAN
1304 ? gen_int_mode (GET_MODE_NUNITS (<VEC_F:MODE>mode) - 1, QImode)
1306 emit_insn (gen_vsx_reduc_<VEC_reduc:VEC_reduc_name>_<VEC_F:mode> (vec,
1308 emit_insn (gen_vsx_extract_<VEC_F:mode> (operand0, vec, elt));