1;; Unspec defintions.
2;; Copyright (C) 2012-2018 Free Software Foundation, Inc.
3;; Contributed by ARM Ltd.
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;; UNSPEC Usage:
22;; Note: sin and cos are no-longer used.
23;; Unspec enumerators for Neon are defined in neon.md.
24;; Unspec enumerators for iwmmxt2 are defined in iwmmxt2.md
25
26(define_c_enum "unspec" [
27  UNSPEC_PUSH_MULT      ; `push multiple' operation:
28                        ;   operand 0 is the first register,
29                        ;   subsequent registers are in parallel (use ...)
30                        ;   expressions.
31  UNSPEC_PIC_SYM        ; A symbol that has been treated properly for pic
32                        ; usage, that is, we will add the pic_register
33                        ; value to it before trying to dereference it.
34  UNSPEC_PIC_BASE       ; Add PC and all but the last operand together,
35                        ; The last operand is the number of a PIC_LABEL
36                        ; that points at the containing instruction.
37  UNSPEC_PRLG_STK       ; A special barrier that prevents frame accesses
38                        ; being scheduled before the stack adjustment insn.
39  UNSPEC_REGISTER_USE   ; As USE insns are not meaningful after reload,
40                        ; this unspec is used to prevent the deletion of
41                        ; instructions setting registers for EH handling
42                        ; and stack frame generation.  Operand 0 is the
43                        ; register to "use".
44  UNSPEC_CHECK_ARCH     ; Set CCs to indicate 26-bit or 32-bit mode.
45  UNSPEC_WSHUFH         ; Used by the intrinsic form of the iWMMXt WSHUFH instruction.
46  UNSPEC_WACC           ; Used by the intrinsic form of the iWMMXt WACC instruction.
47  UNSPEC_TMOVMSK        ; Used by the intrinsic form of the iWMMXt TMOVMSK instruction.
48  UNSPEC_WSAD           ; Used by the intrinsic form of the iWMMXt WSAD instruction.
49  UNSPEC_WSADZ          ; Used by the intrinsic form of the iWMMXt WSADZ instruction.
50  UNSPEC_WMACS          ; Used by the intrinsic form of the iWMMXt WMACS instruction.
51  UNSPEC_WMACU          ; Used by the intrinsic form of the iWMMXt WMACU instruction.
52  UNSPEC_WMACSZ         ; Used by the intrinsic form of the iWMMXt WMACSZ instruction.
53  UNSPEC_WMACUZ         ; Used by the intrinsic form of the iWMMXt WMACUZ instruction.
54  UNSPEC_CLRDI          ; Used by the intrinsic form of the iWMMXt CLRDI instruction.
55  UNSPEC_WALIGNI        ; Used by the intrinsic form of the iWMMXt WALIGN instruction.
56  UNSPEC_TLS            ; A symbol that has been treated properly for TLS usage.
57  UNSPEC_PIC_LABEL      ; A label used for PIC access that does not appear in the
58                        ; instruction stream.
59  UNSPEC_PIC_OFFSET     ; A symbolic 12-bit OFFSET that has been treated
60                        ; correctly for PIC usage.
61  UNSPEC_GOTSYM_OFF     ; The offset of the start of the GOT from a
62                        ; a given symbolic address.
63  UNSPEC_THUMB1_CASESI  ; A Thumb1 compressed dispatch-table call.
64  UNSPEC_RBIT           ; rbit operation.
65  UNSPEC_SYMBOL_OFFSET  ; The offset of the start of the symbol from
66                        ; another symbolic address.
67  UNSPEC_MEMORY_BARRIER ; Represent a memory barrier.
68  UNSPEC_UNALIGNED_LOAD	; Used to represent ldr/ldrh instructions that access
69			; unaligned locations, on architectures which support
70			; that.
71  UNSPEC_UNALIGNED_STORE ; Same for str/strh.
72  UNSPEC_PIC_UNIFIED    ; Create a common pic addressing form.
73  UNSPEC_LL		; Represent an unpaired load-register-exclusive.
74  UNSPEC_VRINTZ         ; Represent a float to integral float rounding
75                        ; towards zero.
76  UNSPEC_VRINTP         ; Represent a float to integral float rounding
77                        ; towards +Inf.
78  UNSPEC_VRINTM         ; Represent a float to integral float rounding
79                        ; towards -Inf.
80  UNSPEC_VRINTR         ; Represent a float to integral float rounding
81                        ; FPSCR rounding mode.
82  UNSPEC_VRINTX         ; Represent a float to integral float rounding
83                        ; FPSCR rounding mode and signal inexactness.
84  UNSPEC_VRINTA         ; Represent a float to integral float rounding
85                        ; towards nearest, ties away from zero.
86  UNSPEC_PROBE_STACK    ; Probe stack memory reference
87  UNSPEC_NONSECURE_MEM	; Represent non-secure memory in ARMv8-M with
88			; security extension
89])
90
91(define_c_enum "unspec" [
92  UNSPEC_WADDC		; Used by the intrinsic form of the iWMMXt WADDC instruction.
93  UNSPEC_WABS		; Used by the intrinsic form of the iWMMXt WABS instruction.
94  UNSPEC_WQMULWMR	; Used by the intrinsic form of the iWMMXt WQMULWMR instruction.
95  UNSPEC_WQMULMR	; Used by the intrinsic form of the iWMMXt WQMULMR instruction.
96  UNSPEC_WQMULWM	; Used by the intrinsic form of the iWMMXt WQMULWM instruction.
97  UNSPEC_WQMULM		; Used by the intrinsic form of the iWMMXt WQMULM instruction.
98  UNSPEC_WQMIAxyn	; Used by the intrinsic form of the iWMMXt WMIAxyn instruction.
99  UNSPEC_WQMIAxy	; Used by the intrinsic form of the iWMMXt WMIAxy instruction.
100  UNSPEC_TANDC		; Used by the intrinsic form of the iWMMXt TANDC instruction.
101  UNSPEC_TORC		; Used by the intrinsic form of the iWMMXt TORC instruction.
102  UNSPEC_TORVSC		; Used by the intrinsic form of the iWMMXt TORVSC instruction.
103  UNSPEC_TEXTRC		; Used by the intrinsic form of the iWMMXt TEXTRC instruction.
104])
105
106
107;; UNSPEC_VOLATILE Usage:
108
109(define_c_enum "unspecv" [
110  VUNSPEC_BLOCKAGE      ; `blockage' insn to prevent scheduling across an
111                        ;   insn in the code.
112  VUNSPEC_EPILOGUE      ; `epilogue' insn, used to represent any part of the
113                        ;   instruction epilogue sequence that isn't expanded
114                        ;   into normal RTL.  Used for both normal and sibcall
115                        ;   epilogues.
116  VUNSPEC_THUMB1_INTERWORK ; `prologue_thumb1_interwork' insn, used to swap
117			;   modes from arm to thumb.
118  VUNSPEC_ALIGN         ; `align' insn.  Used at the head of a minipool table
119                        ;   for inlined constants.
120  VUNSPEC_POOL_END      ; `end-of-table'.  Used to mark the end of a minipool
121                        ;   table.
122  VUNSPEC_POOL_1        ; `pool-entry(1)'.  An entry in the constant pool for
123                        ;   an 8-bit object.
124  VUNSPEC_POOL_2        ; `pool-entry(2)'.  An entry in the constant pool for
125                        ;   a 16-bit object.
126  VUNSPEC_POOL_4        ; `pool-entry(4)'.  An entry in the constant pool for
127                        ;   a 32-bit object.
128  VUNSPEC_POOL_8        ; `pool-entry(8)'.  An entry in the constant pool for
129                        ;   a 64-bit object.
130  VUNSPEC_POOL_16       ; `pool-entry(16)'.  An entry in the constant pool for
131                        ;   a 128-bit object.
132  VUNSPEC_TMRC          ; Used by the iWMMXt TMRC instruction.
133  VUNSPEC_TMCR          ; Used by the iWMMXt TMCR instruction.
134  VUNSPEC_ALIGN8        ; 8-byte alignment version of VUNSPEC_ALIGN
135  VUNSPEC_WCMP_EQ       ; Used by the iWMMXt WCMPEQ instructions
136  VUNSPEC_WCMP_GTU      ; Used by the iWMMXt WCMPGTU instructions
137  VUNSPEC_WCMP_GT       ; Used by the iwMMXT WCMPGT instructions
138  VUNSPEC_EH_RETURN     ; Use to override the return address for exception
139                        ; handling.
140  VUNSPEC_ATOMIC_CAS	; Represent an atomic compare swap.
141  VUNSPEC_ATOMIC_XCHG	; Represent an atomic exchange.
142  VUNSPEC_ATOMIC_OP	; Represent an atomic operation.
143  VUNSPEC_LL		; Represent a load-register-exclusive.
144  VUNSPEC_LDRD_ATOMIC	; Represent an LDRD used as an atomic DImode load.
145  VUNSPEC_SC		; Represent a store-register-exclusive.
146  VUNSPEC_LAX		; Represent a load-register-acquire-exclusive.
147  VUNSPEC_SLX		; Represent a store-register-release-exclusive.
148  VUNSPEC_LDA		; Represent a store-register-acquire.
149  VUNSPEC_STL		; Represent a store-register-release.
150  VUNSPEC_GET_FPSCR	; Represent fetch of FPSCR content.
151  VUNSPEC_SET_FPSCR	; Represent assign of FPSCR content.
152  VUNSPEC_PROBE_STACK_RANGE ; Represent stack range probing.
153  VUNSPEC_CDP		; Represent the coprocessor cdp instruction.
154  VUNSPEC_CDP2		; Represent the coprocessor cdp2 instruction.
155  VUNSPEC_LDC		; Represent the coprocessor ldc instruction.
156  VUNSPEC_LDC2		; Represent the coprocessor ldc2 instruction.
157  VUNSPEC_LDCL		; Represent the coprocessor ldcl instruction.
158  VUNSPEC_LDC2L		; Represent the coprocessor ldc2l instruction.
159  VUNSPEC_STC		; Represent the coprocessor stc instruction.
160  VUNSPEC_STC2		; Represent the coprocessor stc2 instruction.
161  VUNSPEC_STCL		; Represent the coprocessor stcl instruction.
162  VUNSPEC_STC2L		; Represent the coprocessor stc2l instruction.
163  VUNSPEC_MCR		; Represent the coprocessor mcr instruction.
164  VUNSPEC_MCR2		; Represent the coprocessor mcr2 instruction.
165  VUNSPEC_MRC		; Represent the coprocessor mrc instruction.
166  VUNSPEC_MRC2		; Represent the coprocessor mrc2 instruction.
167  VUNSPEC_MCRR		; Represent the coprocessor mcrr instruction.
168  VUNSPEC_MCRR2		; Represent the coprocessor mcrr2 instruction.
169  VUNSPEC_MRRC		; Represent the coprocessor mrrc instruction.
170  VUNSPEC_MRRC2		; Represent the coprocessor mrrc2 instruction.
171])
172
173;; Enumerators for NEON unspecs.
174(define_c_enum "unspec" [
175  UNSPEC_ASHIFT_SIGNED
176  UNSPEC_ASHIFT_UNSIGNED
177  UNSPEC_CRC32B
178  UNSPEC_CRC32H
179  UNSPEC_CRC32W
180  UNSPEC_CRC32CB
181  UNSPEC_CRC32CH
182  UNSPEC_CRC32CW
183  UNSPEC_AESD
184  UNSPEC_AESE
185  UNSPEC_AESIMC
186  UNSPEC_AESMC
187  UNSPEC_SHA1C
188  UNSPEC_SHA1M
189  UNSPEC_SHA1P
190  UNSPEC_SHA1H
191  UNSPEC_SHA1SU0
192  UNSPEC_SHA1SU1
193  UNSPEC_SHA256H
194  UNSPEC_SHA256H2
195  UNSPEC_SHA256SU0
196  UNSPEC_SHA256SU1
197  UNSPEC_VMULLP64
198  UNSPEC_LOAD_COUNT
199  UNSPEC_VABD_F
200  UNSPEC_VABD_S
201  UNSPEC_VABD_U
202  UNSPEC_VABDL_S
203  UNSPEC_VABDL_U
204  UNSPEC_VADD
205  UNSPEC_VADDHN
206  UNSPEC_VRADDHN
207  UNSPEC_VADDL_S
208  UNSPEC_VADDL_U
209  UNSPEC_VADDW_S
210  UNSPEC_VADDW_U
211  UNSPEC_VBSL
212  UNSPEC_VCAGE
213  UNSPEC_VCAGT
214  UNSPEC_VCALE
215  UNSPEC_VCALT
216  UNSPEC_VCEQ
217  UNSPEC_VCGE
218  UNSPEC_VCGEU
219  UNSPEC_VCGT
220  UNSPEC_VCGTU
221  UNSPEC_VCLS
222  UNSPEC_VCONCAT
223  UNSPEC_VCVT
224  UNSPEC_VCVT_S
225  UNSPEC_VCVT_U
226  UNSPEC_VCVT_S_N
227  UNSPEC_VCVT_U_N
228  UNSPEC_VCVT_HF_S_N
229  UNSPEC_VCVT_HF_U_N
230  UNSPEC_VCVT_SI_S_N
231  UNSPEC_VCVT_SI_U_N
232  UNSPEC_VCVTH_S
233  UNSPEC_VCVTH_U
234  UNSPEC_VCVTA_S
235  UNSPEC_VCVTA_U
236  UNSPEC_VCVTM_S
237  UNSPEC_VCVTM_U
238  UNSPEC_VCVTN_S
239  UNSPEC_VCVTN_U
240  UNSPEC_VCVTP_S
241  UNSPEC_VCVTP_U
242  UNSPEC_VEXT
243  UNSPEC_VHADD_S
244  UNSPEC_VHADD_U
245  UNSPEC_VRHADD_S
246  UNSPEC_VRHADD_U
247  UNSPEC_VHSUB_S
248  UNSPEC_VHSUB_U
249  UNSPEC_VLD1
250  UNSPEC_VLD1_LANE
251  UNSPEC_VLD2
252  UNSPEC_VLD2_DUP
253  UNSPEC_VLD2_LANE
254  UNSPEC_VLD3
255  UNSPEC_VLD3A
256  UNSPEC_VLD3B
257  UNSPEC_VLD3_DUP
258  UNSPEC_VLD3_LANE
259  UNSPEC_VLD4
260  UNSPEC_VLD4A
261  UNSPEC_VLD4B
262  UNSPEC_VLD4_DUP
263  UNSPEC_VLD4_LANE
264  UNSPEC_VMAX
265  UNSPEC_VMAX_U
266  UNSPEC_VMAXNM
267  UNSPEC_VMIN
268  UNSPEC_VMIN_U
269  UNSPEC_VMINNM
270  UNSPEC_VMLA
271  UNSPEC_VMLA_LANE
272  UNSPEC_VMLAL_S
273  UNSPEC_VMLAL_U
274  UNSPEC_VMLAL_S_LANE
275  UNSPEC_VMLAL_U_LANE
276  UNSPEC_VMLS
277  UNSPEC_VMLS_LANE
278  UNSPEC_VMLSL_S
279  UNSPEC_VMLSL_U
280  UNSPEC_VMLSL_S_LANE
281  UNSPEC_VMLSL_U_LANE
282  UNSPEC_VMLSL_LANE
283  UNSPEC_VFMA_LANE
284  UNSPEC_VFMS_LANE
285  UNSPEC_VMOVL_S
286  UNSPEC_VMOVL_U
287  UNSPEC_VMOVN
288  UNSPEC_VMUL
289  UNSPEC_VMULL_P
290  UNSPEC_VMULL_S
291  UNSPEC_VMULL_U
292  UNSPEC_VMUL_LANE
293  UNSPEC_VMULL_S_LANE
294  UNSPEC_VMULL_U_LANE
295  UNSPEC_VPADAL_S
296  UNSPEC_VPADAL_U
297  UNSPEC_VPADD
298  UNSPEC_VPADDL_S
299  UNSPEC_VPADDL_U
300  UNSPEC_VPMAX
301  UNSPEC_VPMAX_U
302  UNSPEC_VPMIN
303  UNSPEC_VPMIN_U
304  UNSPEC_VPSMAX
305  UNSPEC_VPSMIN
306  UNSPEC_VPUMAX
307  UNSPEC_VPUMIN
308  UNSPEC_VQABS
309  UNSPEC_VQADD_S
310  UNSPEC_VQADD_U
311  UNSPEC_VQDMLAL
312  UNSPEC_VQDMLAL_LANE
313  UNSPEC_VQDMLSL
314  UNSPEC_VQDMLSL_LANE
315  UNSPEC_VQDMULH
316  UNSPEC_VQDMULH_LANE
317  UNSPEC_VQRDMULH
318  UNSPEC_VQRDMULH_LANE
319  UNSPEC_VQDMULL
320  UNSPEC_VQDMULL_LANE
321  UNSPEC_VQMOVN_S
322  UNSPEC_VQMOVN_U
323  UNSPEC_VQMOVUN
324  UNSPEC_VQNEG
325  UNSPEC_VQSHL_S
326  UNSPEC_VQSHL_U
327  UNSPEC_VQRSHL_S
328  UNSPEC_VQRSHL_U
329  UNSPEC_VQSHL_S_N
330  UNSPEC_VQSHL_U_N
331  UNSPEC_VQSHLU_N
332  UNSPEC_VQSHRN_S_N
333  UNSPEC_VQSHRN_U_N
334  UNSPEC_VQRSHRN_S_N
335  UNSPEC_VQRSHRN_U_N
336  UNSPEC_VQSHRUN_N
337  UNSPEC_VQRSHRUN_N
338  UNSPEC_VQSUB_S
339  UNSPEC_VQSUB_U
340  UNSPEC_VRECPE
341  UNSPEC_VRECPS
342  UNSPEC_VREV16
343  UNSPEC_VREV32
344  UNSPEC_VREV64
345  UNSPEC_VRSQRTE
346  UNSPEC_VRSQRTS
347  UNSPEC_VSHL_S
348  UNSPEC_VSHL_U
349  UNSPEC_VRSHL_S
350  UNSPEC_VRSHL_U
351  UNSPEC_VSHLL_S_N
352  UNSPEC_VSHLL_U_N
353  UNSPEC_VSHL_N
354  UNSPEC_VSHR_S_N
355  UNSPEC_VSHR_U_N
356  UNSPEC_VRSHR_S_N
357  UNSPEC_VRSHR_U_N
358  UNSPEC_VSHRN_N
359  UNSPEC_VRSHRN_N
360  UNSPEC_VSLI
361  UNSPEC_VSRA_S_N
362  UNSPEC_VSRA_U_N
363  UNSPEC_VRSRA_S_N
364  UNSPEC_VRSRA_U_N
365  UNSPEC_VSRI
366  UNSPEC_VST1
367  UNSPEC_VST1_LANE
368  UNSPEC_VST2
369  UNSPEC_VST2_LANE
370  UNSPEC_VST3
371  UNSPEC_VST3A
372  UNSPEC_VST3B
373  UNSPEC_VST3_LANE
374  UNSPEC_VST4
375  UNSPEC_VST4A
376  UNSPEC_VST4B
377  UNSPEC_VST4_LANE
378  UNSPEC_VSTRUCTDUMMY
379  UNSPEC_VSUB
380  UNSPEC_VSUBHN
381  UNSPEC_VRSUBHN
382  UNSPEC_VSUBL_S
383  UNSPEC_VSUBL_U
384  UNSPEC_VSUBW_S
385  UNSPEC_VSUBW_U
386  UNSPEC_VTBL
387  UNSPEC_VTBX
388  UNSPEC_VTRN1
389  UNSPEC_VTRN2
390  UNSPEC_VTST
391  UNSPEC_VUZP1
392  UNSPEC_VUZP2
393  UNSPEC_VZIP1
394  UNSPEC_VZIP2
395  UNSPEC_MISALIGNED_ACCESS
396  UNSPEC_VCLE
397  UNSPEC_VCLT
398  UNSPEC_NVRINTZ
399  UNSPEC_NVRINTP
400  UNSPEC_NVRINTM
401  UNSPEC_NVRINTX
402  UNSPEC_NVRINTA
403  UNSPEC_NVRINTN
404  UNSPEC_VQRDMLAH
405  UNSPEC_VQRDMLSH
406  UNSPEC_VRND
407  UNSPEC_VRNDA
408  UNSPEC_VRNDI
409  UNSPEC_VRNDM
410  UNSPEC_VRNDN
411  UNSPEC_VRNDP
412  UNSPEC_VRNDX
413  UNSPEC_DOT_S
414  UNSPEC_DOT_U
415  UNSPEC_VFML_LO
416  UNSPEC_VFML_HI
417])
418