xref: /openbmc/qemu/target/hppa/insns.decode (revision efb91426)
1#
2# HPPA instruction decode definitions.
3#
4# Copyright (c) 2018 Richard Henderson <rth@twiddle.net>
5#
6# This library is free software; you can redistribute it and/or
7# modify it under the terms of the GNU Lesser General Public
8# License as published by the Free Software Foundation; either
9# version 2.1 of the License, or (at your option) any later version.
10#
11# This library is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14# Lesser General Public License for more details.
15#
16# You should have received a copy of the GNU Lesser General Public
17# License along with this library; if not, see <http://www.gnu.org/licenses/>.
18#
19
20####
21# Field definitions
22####
23
24%assemble_sr3   13:1 14:2
25%assemble_sr3x  13:1 14:2 !function=expand_sr3x
26
27%assemble_11a   0:s1 4:10            !function=expand_shl3
28%assemble_12    0:s1 2:1 3:10        !function=expand_shl2
29%assemble_12a   0:s1 3:11            !function=expand_shl2
30%assemble_17    0:s1 16:5 2:1 3:10   !function=expand_shl2
31%assemble_22    0:s1 16:10 2:1 3:10  !function=expand_shl2
32
33%assemble_21    0:s1 1:11 14:2 16:5 12:2  !function=expand_shl11
34
35%lowsign_11     0:s1 1:10
36%lowsign_14     0:s1 1:13
37
38%sm_imm         16:10 !function=expand_sm_imm
39
40%rm64           1:1 16:5
41%rt64           6:1 0:5
42%ra64           7:1 21:5
43%rb64           12:1 16:5
44%rc64           8:1 13:3 9:2
45%rc32           13:3 9:2
46
47%im5_0          0:s1 1:4
48%im5_16         16:s1 17:4
49%len5           0:5      !function=assemble_6
50%len6_8         8:1 0:5  !function=assemble_6
51%len6_12        12:1 0:5 !function=assemble_6
52%cpos6_11       11:1 5:5
53%ma_to_m        5:1 13:1 !function=ma_to_m
54%ma2_to_m       2:2      !function=ma_to_m
55%pos_to_m       0:1      !function=pos_to_m
56%neg_to_m       0:1      !function=neg_to_m
57%a_to_m         2:1      !function=neg_to_m
58%cmpbid_c       13:2     !function=cmpbid_c
59
60####
61# Argument set definitions
62####
63
64# All insns that need to form a virtual address should use this set.
65&ldst           t b x disp sp m scale size
66
67&rr_cf_d        t r cf d
68&rrr            t r1 r2
69&rrr_cf         t r1 r2 cf
70&rrr_cf_d       t r1 r2 cf d
71&rrr_sh         t r1 r2 sh
72&rrr_cf_d_sh    t r1 r2 cf d sh
73&rri            t r i
74&rri_cf         t r i cf
75&rri_cf_d       t r i cf d
76
77&rrb_c_f        disp n c f r1 r2
78&rrb_c_d_f      disp n c d f r1 r2
79&rib_c_f        disp n c f r i
80&rib_c_d_f      disp n c d f r i
81
82####
83# Format definitions
84####
85
86@rr_cf_d        ...... r:5 ..... cf:4 ...... d:1 t:5    &rr_cf_d
87@rrr            ...... r2:5 r1:5 .... ....... t:5       &rrr
88@rrr_cf         ...... r2:5 r1:5 cf:4 ....... t:5       &rrr_cf
89@rrr_cf_d       ...... r2:5 r1:5 cf:4 ...... d:1 t:5    &rrr_cf_d
90@rrr_sh         ...... r2:5 r1:5 ........ sh:2 . t:5    &rrr_sh
91@rrr_cf_d_sh    ...... r2:5 r1:5 cf:4 .... sh:2 d:1 t:5 &rrr_cf_d_sh
92@rrr_cf_d_sh0   ...... r2:5 r1:5 cf:4 ...... d:1 t:5    &rrr_cf_d_sh sh=0
93@rri_cf         ...... r:5  t:5  cf:4 . ...........     &rri_cf i=%lowsign_11
94@rri_cf_d       ...... r:5  t:5  cf:4 d:1 ...........   &rri_cf_d i=%lowsign_11
95
96@rrb_cf         ...... r2:5 r1:5 c:3 ........... n:1 .  \
97                &rrb_c_f disp=%assemble_12
98@rrb_cdf        ...... r2:5 r1:5 c:3 ........... n:1 .  \
99                &rrb_c_d_f disp=%assemble_12
100@rib_cf         ...... r:5 ..... c:3 ........... n:1 .  \
101                &rib_c_f disp=%assemble_12 i=%im5_16
102@rib_cdf        ...... r:5 ..... c:3 ........... n:1 .  \
103                &rib_c_d_f disp=%assemble_12 i=%im5_16
104
105####
106# System
107####
108
109break           000000 ----- ----- --- 00000000 -----
110
111mtsp            000000 ----- r:5   ... 11000001 00000   sp=%assemble_sr3
112mtctl           000000 t:5   r:5   --- 11000010 00000
113mtsarcm         000000 01011 r:5   --- 11000110 00000
114mtsm            000000 00000 r:5   000 11000011 00000
115
116mfia            000000 ----- 00000 ---   10100101 t:5
117mfsp            000000 ----- 00000 ...   00100101 t:5   sp=%assemble_sr3
118mfctl           000000 r:5   00000- e:1 -01000101 t:5
119
120sync            000000 ----- ----- 000 00100000 00000   # sync, syncdma
121
122ldsid           000000 b:5   ----- sp:2 0 10000101 t:5
123
124rsm             000000 ..........  000 01110011 t:5     i=%sm_imm
125ssm             000000 ..........  000 01101011 t:5     i=%sm_imm
126
127rfi             000000 ----- ----- --- 01100000 00000
128rfi_r           000000 ----- ----- --- 01100101 00000
129
130# These are artificial instructions used by QEMU firmware.
131# They are allocated from the unassigned instruction space.
132halt            1111 1111 1111 1101 1110 1010 1101 0000
133reset           1111 1111 1111 1101 1110 1010 1101 0001
134getshadowregs   1111 1111 1111 1101 1110 1010 1101 0010
135
136####
137# Memory Management
138####
139
140@addrx          ...... b:5 x:5 .. ........ m:1 .....    \
141                &ldst disp=0 scale=0 t=0 sp=0 size=0
142
143nop             000001 ----- ----- -- 11001010 0 -----         # fdc, disp
144nop_addrx       000001 ..... ..... -- 01001010 . -----  @addrx # fdc, index
145nop_addrx       000001 ..... ..... -- 01001011 . -----  @addrx # fdce
146nop_addrx       000001 ..... ..... --- 0001010 . -----  @addrx # fic 0x0a
147nop_addrx       000001 ..... ..... -- 01001111 . 00000  @addrx # fic 0x4f
148nop_addrx       000001 ..... ..... --- 0001011 . -----  @addrx # fice
149nop_addrx       000001 ..... ..... -- 01001110 . 00000  @addrx # pdc
150
151probe           000001 b:5 ri:5 sp:2 imm:1 100011 write:1 0 t:5
152
153# pa1.x tlb insert instructions
154ixtlbx          000001 b:5 r:5 sp:2 0100000 addr:1 0 00000      data=1
155ixtlbx          000001 b:5 r:5 ... 000000 addr:1 0 00000        \
156                sp=%assemble_sr3x data=0
157
158# pcxl and pcxl2 Fast TLB Insert instructions
159ixtlbxf         000001 00000 r:5 00 0 data:1 01000 addr:1 0 00000
160
161# pa2.0 tlb insert idtlbt and iitlbt instructions
162ixtlbt          000001 r2:5 r1:5 000 data:1 100000 0 00000    # idtlbt
163
164# pdtlb, pitlb
165pxtlb           000001 b:5 x:5 sp:2 01001000 m:1 ----- \
166                &ldst disp=0 scale=0 size=0 t=0
167pxtlb           000001 b:5 x:5 ...   0001000 m:1 ----- \
168                &ldst disp=0 scale=0 size=0 t=0 sp=%assemble_sr3x
169
170# ... pa20 local
171pxtlb_l         000001 b:5 x:5 sp:2 01011000 m:1 ----- \
172                &ldst disp=0 scale=0 size=0 t=0
173pxtlb_l         000001 b:5 x:5 ...   0011000 m:1 ----- \
174                &ldst disp=0 scale=0 size=0 t=0 sp=%assemble_sr3x
175
176# pdtlbe, pitlbe
177pxtlbe          000001 b:5 x:5 sp:2 01001001 m:1 ----- \
178                &ldst disp=0 scale=0 size=0 t=0
179pxtlbe          000001 b:5 x:5 ...   0001001 m:1 ----- \
180                &ldst disp=0 scale=0 size=0 t=0 sp=%assemble_sr3x
181
182lpa             000001 b:5 x:5 sp:2 01001101 m:1 t:5    \
183                &ldst disp=0 scale=0 size=0
184
185lci             000001 ----- ----- -- 01001100 0 t:5
186
187####
188# Arith/Log
189####
190
191andcm           000010 ..... ..... .... 000000 . .....  @rrr_cf_d
192and             000010 ..... ..... .... 001000 . .....  @rrr_cf_d
193or              000010 ..... ..... .... 001001 . .....  @rrr_cf_d
194xor             000010 ..... ..... .... 001010 . .....  @rrr_cf_d
195uxor            000010 ..... ..... .... 001110 . .....  @rrr_cf_d
196ds              000010 ..... ..... .... 010001 0 .....  @rrr_cf
197cmpclr          000010 ..... ..... .... 100010 . .....  @rrr_cf_d
198uaddcm          000010 ..... ..... .... 100110 . .....  @rrr_cf_d
199uaddcm_tc       000010 ..... ..... .... 100111 . .....  @rrr_cf_d
200dcor            000010 ..... 00000 .... 101110 . .....  @rr_cf_d
201dcor_i          000010 ..... 00000 .... 101111 . .....  @rr_cf_d
202
203add             000010 ..... ..... .... 0110.. . .....  @rrr_cf_d_sh
204add_l           000010 ..... ..... .... 1010.. . .....  @rrr_cf_d_sh
205add_tsv         000010 ..... ..... .... 1110.. . .....  @rrr_cf_d_sh
206{
207  add_c         000010 ..... ..... .... 011100 . .....  @rrr_cf_d_sh0
208  hshladd       000010 ..... ..... 0000 0111.. 0 .....  @rrr_sh
209}
210add_c_tsv       000010 ..... ..... .... 111100 . .....  @rrr_cf_d_sh0
211
212sub             000010 ..... ..... .... 010000 . .....  @rrr_cf_d
213sub_tsv         000010 ..... ..... .... 110000 . .....  @rrr_cf_d
214sub_tc          000010 ..... ..... .... 010011 . .....  @rrr_cf_d
215sub_tsv_tc      000010 ..... ..... .... 110011 . .....  @rrr_cf_d
216{
217  sub_b         000010 ..... ..... .... 010100 . .....  @rrr_cf_d
218  hshradd       000010 ..... ..... 0000 0101.. 0 .....  @rrr_sh
219}
220sub_b_tsv       000010 ..... ..... .... 110100 . .....  @rrr_cf_d
221
222ldil            001000 t:5 .....................        i=%assemble_21
223addil           001010 r:5 .....................        i=%assemble_21
224ldo             001101 b:5 t:5 -- ..............        i=%lowsign_14
225
226addi            101101 ..... ..... .... 0 ...........   @rri_cf
227addi_tsv        101101 ..... ..... .... 1 ...........   @rri_cf
228addi_tc         101100 ..... ..... .... 0 ...........   @rri_cf
229addi_tc_tsv     101100 ..... ..... .... 1 ...........   @rri_cf
230
231subi            100101 ..... ..... .... 0 ...........   @rri_cf
232subi_tsv        100101 ..... ..... .... 1 ...........   @rri_cf
233
234cmpiclr         100100 ..... ..... .... . ...........   @rri_cf_d
235
236hadd            000010 ..... ..... 00000011 11 0 .....  @rrr
237hadd_ss         000010 ..... ..... 00000011 01 0 .....  @rrr
238hadd_us         000010 ..... ..... 00000011 00 0 .....  @rrr
239
240havg            000010 ..... ..... 00000010 11 0 .....  @rrr
241
242hshl            111110 00000 r:5   100010 i:4  0 t:5    &rri
243hshr_s          111110 r:5   00000 110011 i:4  0 t:5    &rri
244hshr_u          111110 r:5   00000 110010 i:4  0 t:5    &rri
245
246hsub            000010 ..... ..... 00000001 11 0 .....  @rrr
247hsub_ss         000010 ..... ..... 00000001 01 0 .....  @rrr
248hsub_us         000010 ..... ..... 00000001 00 0 .....  @rrr
249
250mixh_l          111110 ..... ..... 1 00 00100000 .....  @rrr
251mixh_r          111110 ..... ..... 1 10 00100000 .....  @rrr
252mixw_l          111110 ..... ..... 1 00 00000000 .....  @rrr
253mixw_r          111110 ..... ..... 1 10 00000000 .....  @rrr
254
255permh           111110 r1:5  r2:5  0 c0:2 0 c1:2 c2:2 c3:2 0 t:5
256
257####
258# Index Mem
259####
260
261@ldstx          ...... b:5 x:5 sp:2 scale:1 ....... m:1 t:5     &ldst disp=0
262@ldim5          ...... b:5 ..... sp:2 ......... t:5     \
263                &ldst disp=%im5_16 x=0 scale=0 m=%ma_to_m
264@stim5          ...... b:5 t:5 sp:2 ......... .....     \
265                &ldst disp=%im5_0 x=0 scale=0 m=%ma_to_m
266
267ld              000011 ..... ..... .. . 1 -- 00 size:2 ......   @ldim5
268ld              000011 ..... ..... .. . 0 -- 00 size:2 ......   @ldstx
269st              000011 ..... ..... .. . 1 -- 10 size:2 ......   @stim5
270ldc             000011 ..... ..... .. . 1 -- 0111      ......   @ldim5 size=2
271ldc             000011 ..... ..... .. . 0 -- 0111      ......   @ldstx size=2
272ldc             000011 ..... ..... .. . 1 -- 0101      ......   @ldim5 size=3
273ldc             000011 ..... ..... .. . 0 -- 0101      ......   @ldstx size=3
274lda             000011 ..... ..... .. . 1 -- 0110      ......   @ldim5 size=2
275lda             000011 ..... ..... .. . 0 -- 0110      ......   @ldstx size=2
276lda             000011 ..... ..... .. . 1 -- 0100      ......   @ldim5 size=3
277lda             000011 ..... ..... .. . 0 -- 0100      ......   @ldstx size=3
278sta             000011 ..... ..... .. . 1 -- 1110      ......   @stim5 size=2
279sta             000011 ..... ..... .. . 1 -- 1111      ......   @stim5 size=3
280stby            000011 b:5 r:5 sp:2 a:1 1 -- 1100 m:1   .....   disp=%im5_0
281stdby           000011 b:5 r:5 sp:2 a:1 1 -- 1101 m:1   .....   disp=%im5_0
282
283@fldstwx        ...... b:5 x:5   sp:2 scale:1 ....... m:1 ..... \
284                &ldst t=%rt64 disp=0 size=2
285@fldstwi        ...... b:5 ..... sp:2 .       ....... .   ..... \
286                &ldst t=%rt64 disp=%im5_16 m=%ma_to_m x=0 scale=0 size=2
287
288fldw            001001 ..... ..... .. . 0 -- 000 . . .....      @fldstwx
289fldw            001001 ..... ..... .. . 1 -- 000 . . .....      @fldstwi
290fstw            001001 ..... ..... .. . 0 -- 100 . . .....      @fldstwx
291fstw            001001 ..... ..... .. . 1 -- 100 . . .....      @fldstwi
292
293@fldstdx        ...... b:5 x:5   sp:2 scale:1 ....... m:1 t:5 \
294                &ldst disp=0 size=3
295@fldstdi        ...... b:5 ..... sp:2 .       ....... .   t:5 \
296                &ldst disp=%im5_16 m=%ma_to_m x=0 scale=0 size=3
297
298fldd            001011 ..... ..... .. . 0 -- 000 0 . .....      @fldstdx
299fldd            001011 ..... ..... .. . 1 -- 000 0 . .....      @fldstdi
300fstd            001011 ..... ..... .. . 0 -- 100 0 . .....      @fldstdx
301fstd            001011 ..... ..... .. . 1 -- 100 0 . .....      @fldstdi
302
303####
304# Offset Mem
305####
306
307@ldstim11       ...... b:5 t:5 sp:2 ..............      \
308                &ldst disp=%assemble_11a m=%ma2_to_m x=0 scale=0 size=3
309@ldstim14       ...... b:5 t:5 sp:2 ..............      \
310                &ldst disp=%lowsign_14 x=0 scale=0 m=0
311@ldstim14m      ...... b:5 t:5 sp:2 ..............      \
312                &ldst disp=%lowsign_14 x=0 scale=0 m=%neg_to_m
313@ldstim12m      ...... b:5 t:5 sp:2 ..............      \
314                &ldst disp=%assemble_12a x=0 scale=0 m=%pos_to_m
315
316# LDB, LDH, LDW, LDWM
317ld              010000 ..... ..... .. ..............    @ldstim14  size=0
318ld              010001 ..... ..... .. ..............    @ldstim14  size=1
319ld              010010 ..... ..... .. ..............    @ldstim14  size=2
320ld              010011 ..... ..... .. ..............    @ldstim14m size=2
321ld              010111 ..... ..... .. ...........10.    @ldstim12m size=2
322
323# STB, STH, STW, STWM
324st              011000 ..... ..... .. ..............    @ldstim14  size=0
325st              011001 ..... ..... .. ..............    @ldstim14  size=1
326st              011010 ..... ..... .. ..............    @ldstim14  size=2
327st              011011 ..... ..... .. ..............    @ldstim14m size=2
328st              011111 ..... ..... .. ...........10.    @ldstim12m size=2
329
330fldw            010110 b:5 ..... sp:2 ..............    \
331                &ldst disp=%assemble_12a t=%rm64 m=%a_to_m x=0 scale=0 size=2
332fldw            010111 b:5 ..... sp:2 ...........0..    \
333                &ldst disp=%assemble_12a t=%rm64 m=0 x=0 scale=0 size=2
334
335fstw            011110 b:5 ..... sp:2 ..............    \
336                &ldst disp=%assemble_12a t=%rm64 m=%a_to_m x=0 scale=0 size=2
337fstw            011111 b:5 ..... sp:2 ...........0..    \
338                &ldst disp=%assemble_12a t=%rm64 m=0 x=0 scale=0 size=2
339
340ld              010100 ..... ..... .. ............0.    @ldstim11
341fldd            010100 ..... ..... .. ............1.    @ldstim11
342
343st              011100 ..... ..... .. ............0.    @ldstim11
344fstd            011100 ..... ..... .. ............1.    @ldstim11
345
346####
347# Floating-point Multiply Add
348####
349
350&mpyadd         rm1 rm2 ta ra tm
351@mpyadd         ...... rm1:5 rm2:5 ta:5 ra:5 . tm:5     &mpyadd
352
353fmpyadd_f       000110 ..... ..... ..... ..... 0 .....  @mpyadd
354fmpyadd_d       000110 ..... ..... ..... ..... 1 .....  @mpyadd
355fmpysub_f       100110 ..... ..... ..... ..... 0 .....  @mpyadd
356fmpysub_d       100110 ..... ..... ..... ..... 1 .....  @mpyadd
357
358####
359# Conditional Branches
360####
361
362bb_sar          110000 00000 r:5 c:1 1 d:1 ........... n:1 . disp=%assemble_12
363bb_imm          110001 p:5   r:5 c:1 1 d:1 ........... n:1 . disp=%assemble_12
364
365movb            110010 ..... ..... ... ........... . .  @rrb_cf f=0
366movbi           110011 ..... ..... ... ........... . .  @rib_cf f=0
367
368cmpb            100000 ..... ..... ... ........... . .  @rrb_cdf d=0 f=0
369cmpb            100010 ..... ..... ... ........... . .  @rrb_cdf d=0 f=1
370cmpb            100111 ..... ..... ... ........... . .  @rrb_cdf d=1 f=0
371cmpb            101111 ..... ..... ... ........... . .  @rrb_cdf d=1 f=1
372cmpbi           100001 ..... ..... ... ........... . .  @rib_cdf d=0 f=0
373cmpbi           100011 ..... ..... ... ........... . .  @rib_cdf d=0 f=1
374cmpbi           111011 r:5 ..... f:1 .. ........... n:1 . \
375                &rib_c_d_f d=1 disp=%assemble_12 c=%cmpbid_c i=%im5_16
376
377addb            101000 ..... ..... ... ........... . .  @rrb_cf f=0
378addb            101010 ..... ..... ... ........... . .  @rrb_cf f=1
379addbi           101001 ..... ..... ... ........... . .  @rib_cf f=0
380addbi           101011 ..... ..... ... ........... . .  @rib_cf f=1
381
382####
383# Shift, Extract, Deposit
384####
385
386shrp_sar        110100 r2:5 r1:5 c:3 00 0 d:1 0000  t:5
387shrp_imm        110100 r2:5 r1:5 c:3 01 0 cpos:5    t:5       d=0
388shrp_imm        110100 r2:5 r1:5 c:3 0. 1 .....  t:5          \
389                d=1 cpos=%cpos6_11
390
391extr_sar        110100 r:5  t:5  c:3 10 se:1 00 000 .....     d=0 len=%len5
392extr_sar        110100 r:5  t:5  c:3 10 se:1 1. 000 .....     d=1 len=%len6_8
393extr_imm        110100 r:5  t:5  c:3 11 se:1 pos:5  .....     d=0 len=%len5
394extr_imm        110110 r:5  t:5  c:3 .. se:1 ..... .....      \
395                d=1 len=%len6_12 pos=%cpos6_11
396
397dep_sar         110101 t:5 r:5   c:3 00 nz:1 00 000 .....     d=0 len=%len5
398dep_sar         110101 t:5 r:5   c:3 00 nz:1 1. 000 .....     d=1 len=%len6_8
399dep_imm         110101 t:5 r:5   c:3 01 nz:1 cpos:5 .....     d=0 len=%len5
400dep_imm         111100 t:5 r:5   c:3 .. nz:1 ..... .....      \
401                d=1 len=%len6_12 cpos=%cpos6_11
402depi_sar        110101 t:5 ..... c:3 10 nz:1 d:1 . 000 .....  \
403                i=%im5_16 len=%len6_8
404depi_imm        110101 t:5 ..... c:3 11 nz:1 cpos:5 .....     \
405                d=0 i=%im5_16 len=%len5
406depi_imm        111101 t:5 ..... c:3 .. nz:1 ..... .....      \
407                d=1 i=%im5_16 len=%len6_12 cpos=%cpos6_11
408
409####
410# Branch External
411####
412
413&BE             b l n disp sp
414@be             ...... b:5 ..... ... ........... n:1 .  \
415                &BE disp=%assemble_17 sp=%assemble_sr3
416
417be              111000 ..... ..... ... ........... . .  @be l=0
418be              111001 ..... ..... ... ........... . .  @be l=31
419
420####
421# Branch
422####
423
424&BL             l n disp
425@bl             ...... l:5 ..... ... ........... n:1 .  &BL disp=%assemble_17
426
427# B,L and B,L,PUSH
428bl              111010 ..... ..... 000 ........... .   .        @bl
429bl              111010 ..... ..... 100 ........... .   .        @bl
430# B,L (long displacement)
431bl              111010 ..... ..... 101 ........... n:1 .        &BL l=2 \
432                disp=%assemble_22
433b_gate          111010 ..... ..... 001 ........... .   .        @bl
434blr             111010 l:5   x:5   010 00000000000 n:1 0
435nopbts          111010 00000 00000 010 0---------1   0 1    # clrbts/popbts
436nopbts          111010 00000 ----- 010 00000000000   0 1    # pushbts/pushnom
437bv              111010 b:5   x:5   110 00000000000 n:1 0
438bve             111010 b:5   00000 110 10000000000 n:1 -        l=0
439bve             111010 b:5   00000 111 10000000000 n:1 -        l=2
440
441####
442# FP Fused Multiple-Add
443####
444
445fmpyfadd_f      101110 ..... ..... ... . 0 ... . . neg:1 ..... \
446                rm1=%ra64 rm2=%rb64 ra3=%rc64 t=%rt64
447fmpyfadd_d      101110 rm1:5 rm2:5 ... 0 1 ..0 0 0 neg:1 t:5    ra3=%rc32
448
449####
450# FP operations
451####
452
453&fclass01       r t
454&fclass2        r1 r2 c y
455&fclass3        r1 r2 t
456
457@f0c_0          ...... r:5  00000 ..... 00 000 0 t:5    &fclass01
458@f0c_1          ...... r:5  000.. ..... 01 000 0 t:5    &fclass01
459@f0c_2          ...... r1:5 r2:5 y:3 .. 10 000 . c:5    &fclass2
460@f0c_3          ...... r1:5 r2:5  ..... 11 000 0 t:5    &fclass3
461
462@f0e_f_0        ...... ..... 00000 ... 0 0 000 .. 0 .....  \
463                &fclass01 r=%ra64 t=%rt64
464@f0e_d_0        ...... r:5   00000 ... 0 1 000 00 0 t:5    &fclass01
465
466@f0e_ff_1       ...... ..... 000  ... 0000 010 .. 0 .....  \
467                &fclass01 r=%ra64 t=%rt64
468@f0e_fd_1       ...... ..... 000  ... 0100 010 .0 0 t:5    &fclass01 r=%ra64
469@f0e_df_1       ...... r:5   000  ... 0001 010 0. 0 .....  &fclass01 t=%rt64
470@f0e_dd_1       ...... r:5   000  ... 0101 010 00 0 t:5    &fclass01
471
472@f0e_f_2        ...... ..... ..... y:3 .0 100 .00 c:5      \
473                &fclass2 r1=%ra64 r2=%rb64
474@f0e_d_2        ...... r1:5  r2:5  y:3 01 100 000 c:5      &fclass2
475
476@f0e_f_3        ...... ..... ..... ... .0 110 ..0 .....    \
477                &fclass3 r1=%ra64 r2=%rb64 t=%rt64
478@f0e_d_3        ...... r1:5  r2:5  ... 01 110 000 t:5      &fclass3
479
480# Floating point class 0
481
482fid_f           001100 00000 00000 000 00 000000 00000
483
484fcpy_f          001100 ..... ..... 010 00 ...... .....  @f0c_0
485fabs_f          001100 ..... ..... 011 00 ...... .....  @f0c_0
486fsqrt_f         001100 ..... ..... 100 00 ...... .....  @f0c_0
487frnd_f          001100 ..... ..... 101 00 ...... .....  @f0c_0
488fneg_f          001100 ..... ..... 110 00 ...... .....  @f0c_0
489fnegabs_f       001100 ..... ..... 111 00 ...... .....  @f0c_0
490
491fcpy_d          001100 ..... ..... 010 01 ...... .....  @f0c_0
492fabs_d          001100 ..... ..... 011 01 ...... .....  @f0c_0
493fsqrt_d         001100 ..... ..... 100 01 ...... .....  @f0c_0
494frnd_d          001100 ..... ..... 101 01 ...... .....  @f0c_0
495fneg_d          001100 ..... ..... 110 01 ...... .....  @f0c_0
496fnegabs_d       001100 ..... ..... 111 01 ...... .....  @f0c_0
497
498fcpy_f          001110 ..... ..... 010 ........ .....   @f0e_f_0
499fabs_f          001110 ..... ..... 011 ........ .....   @f0e_f_0
500fsqrt_f         001110 ..... ..... 100 ........ .....   @f0e_f_0
501frnd_f          001110 ..... ..... 101 ........ .....   @f0e_f_0
502fneg_f          001110 ..... ..... 110 ........ .....   @f0e_f_0
503fnegabs_f       001110 ..... ..... 111 ........ .....   @f0e_f_0
504
505fcpy_d          001110 ..... ..... 010 ........ .....   @f0e_d_0
506fabs_d          001110 ..... ..... 011 ........ .....   @f0e_d_0
507fsqrt_d         001110 ..... ..... 100 ........ .....   @f0e_d_0
508frnd_d          001110 ..... ..... 101 ........ .....   @f0e_d_0
509fneg_d          001110 ..... ..... 110 ........ .....   @f0e_d_0
510fnegabs_d       001110 ..... ..... 111 ........ .....   @f0e_d_0
511
512# Floating point class 1
513
514# float/float
515fcnv_d_f        001100 ..... ... 000 00 01 ...... ..... @f0c_1
516fcnv_f_d        001100 ..... ... 000 01 00 ...... ..... @f0c_1
517
518fcnv_d_f        001110 ..... ... 000 .......... .....   @f0e_df_1
519fcnv_f_d        001110 ..... ... 000 .......... .....   @f0e_fd_1
520
521# int/float
522fcnv_w_f        001100 ..... ... 001 00 00 ...... ..... @f0c_1
523fcnv_q_f        001100 ..... ... 001 00 01 ...... ..... @f0c_1
524fcnv_w_d        001100 ..... ... 001 01 00 ...... ..... @f0c_1
525fcnv_q_d        001100 ..... ... 001 01 01 ...... ..... @f0c_1
526
527fcnv_w_f        001110 ..... ... 001 .......... .....   @f0e_ff_1
528fcnv_q_f        001110 ..... ... 001 .......... .....   @f0e_df_1
529fcnv_w_d        001110 ..... ... 001 .......... .....   @f0e_fd_1
530fcnv_q_d        001110 ..... ... 001 .......... .....   @f0e_dd_1
531
532# float/int
533fcnv_f_w        001100 ..... ... 010 00 00 ...... ..... @f0c_1
534fcnv_d_w        001100 ..... ... 010 00 01 ...... ..... @f0c_1
535fcnv_f_q        001100 ..... ... 010 01 00 ...... ..... @f0c_1
536fcnv_d_q        001100 ..... ... 010 01 01 ...... ..... @f0c_1
537
538fcnv_f_w        001110 ..... ... 010 .......... .....   @f0e_ff_1
539fcnv_d_w        001110 ..... ... 010 .......... .....   @f0e_df_1
540fcnv_f_q        001110 ..... ... 010 .......... .....   @f0e_fd_1
541fcnv_d_q        001110 ..... ... 010 .......... .....   @f0e_dd_1
542
543# float/int truncate
544fcnv_t_f_w      001100 ..... ... 011 00 00 ...... ..... @f0c_1
545fcnv_t_d_w      001100 ..... ... 011 00 01 ...... ..... @f0c_1
546fcnv_t_f_q      001100 ..... ... 011 01 00 ...... ..... @f0c_1
547fcnv_t_d_q      001100 ..... ... 011 01 01 ...... ..... @f0c_1
548
549fcnv_t_f_w      001110 ..... ... 011 .......... .....   @f0e_ff_1
550fcnv_t_d_w      001110 ..... ... 011 .......... .....   @f0e_df_1
551fcnv_t_f_q      001110 ..... ... 011 .......... .....   @f0e_fd_1
552fcnv_t_d_q      001110 ..... ... 011 .......... .....   @f0e_dd_1
553
554# uint/float
555fcnv_uw_f       001100 ..... ... 101 00 00 ...... ..... @f0c_1
556fcnv_uq_f       001100 ..... ... 101 00 01 ...... ..... @f0c_1
557fcnv_uw_d       001100 ..... ... 101 01 00 ...... ..... @f0c_1
558fcnv_uq_d       001100 ..... ... 101 01 01 ...... ..... @f0c_1
559
560fcnv_uw_f       001110 ..... ... 101 .......... .....   @f0e_ff_1
561fcnv_uq_f       001110 ..... ... 101 .......... .....   @f0e_df_1
562fcnv_uw_d       001110 ..... ... 101 .......... .....   @f0e_fd_1
563fcnv_uq_d       001110 ..... ... 101 .......... .....   @f0e_dd_1
564
565# float/int
566fcnv_f_uw       001100 ..... ... 110 00 00 ...... ..... @f0c_1
567fcnv_d_uw       001100 ..... ... 110 00 01 ...... ..... @f0c_1
568fcnv_f_uq       001100 ..... ... 110 01 00 ...... ..... @f0c_1
569fcnv_d_uq       001100 ..... ... 110 01 01 ...... ..... @f0c_1
570
571fcnv_f_uw       001110 ..... ... 110 .......... .....   @f0e_ff_1
572fcnv_d_uw       001110 ..... ... 110 .......... .....   @f0e_df_1
573fcnv_f_uq       001110 ..... ... 110 .......... .....   @f0e_fd_1
574fcnv_d_uq       001110 ..... ... 110 .......... .....   @f0e_dd_1
575
576# float/int truncate
577fcnv_t_f_uw     001100 ..... ... 111 00 00 ...... ..... @f0c_1
578fcnv_t_d_uw     001100 ..... ... 111 00 01 ...... ..... @f0c_1
579fcnv_t_f_uq     001100 ..... ... 111 01 00 ...... ..... @f0c_1
580fcnv_t_d_uq     001100 ..... ... 111 01 01 ...... ..... @f0c_1
581
582fcnv_t_f_uw     001110 ..... ... 111 .......... .....   @f0e_ff_1
583fcnv_t_d_uw     001110 ..... ... 111 .......... .....   @f0e_df_1
584fcnv_t_f_uq     001110 ..... ... 111 .......... .....   @f0e_fd_1
585fcnv_t_d_uq     001110 ..... ... 111 .......... .....   @f0e_dd_1
586
587# Floating point class 2
588
589ftest           001100 00000 00000 y:3 00 10000 1 c:5
590
591fcmp_f          001100 ..... ..... ... 00 ..... 0 ..... @f0c_2
592fcmp_d          001100 ..... ..... ... 01 ..... 0 ..... @f0c_2
593
594fcmp_f          001110 ..... ..... ... ..... ... .....  @f0e_f_2
595fcmp_d          001110 ..... ..... ... ..... ... .....  @f0e_d_2
596
597# Floating point class 3
598
599fadd_f          001100 ..... ..... 000 00 ...... .....  @f0c_3
600fsub_f          001100 ..... ..... 001 00 ...... .....  @f0c_3
601fmpy_f          001100 ..... ..... 010 00 ...... .....  @f0c_3
602fdiv_f          001100 ..... ..... 011 00 ...... .....  @f0c_3
603
604fadd_d          001100 ..... ..... 000 01 ...... .....  @f0c_3
605fsub_d          001100 ..... ..... 001 01 ...... .....  @f0c_3
606fmpy_d          001100 ..... ..... 010 01 ...... .....  @f0c_3
607fdiv_d          001100 ..... ..... 011 01 ...... .....  @f0c_3
608
609fadd_f          001110 ..... ..... 000 ..... ... .....  @f0e_f_3
610fsub_f          001110 ..... ..... 001 ..... ... .....  @f0e_f_3
611fmpy_f          001110 ..... ..... 010 ..... ... .....  @f0e_f_3
612fdiv_f          001110 ..... ..... 011 ..... ... .....  @f0e_f_3
613
614fadd_d          001110 ..... ..... 000 ..... ... .....  @f0e_d_3
615fsub_d          001110 ..... ..... 001 ..... ... .....  @f0e_d_3
616fmpy_d          001110 ..... ..... 010 ..... ... .....  @f0e_d_3
617fdiv_d          001110 ..... ..... 011 ..... ... .....  @f0e_d_3
618
619xmpyu           001110 ..... ..... 010 .0111 .00 t:5    r1=%ra64 r2=%rb64
620
621# diag
622diag            000101 i:26
623