arm/tcg/a64.decode

12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15 # You should have received a copy of the GNU Lesser General Public
26 %hlm            11:1 20:2
54 @rrx_h          ........ .. .. rm:4 .... . . rn:5 rd:5  &rrx_e esz=1 idx=%hlm
76                 &qrrx_e esz=1 idx=%hlm
82 ### Data Processing - Immediate
84 # PC-rel addressing
218     # Our DGL is a NOP because we don't merge memory accesses anyway.
237   NOP           1101 0101 0000 0011 0010 ---- --- 11111
246 CLREX           1101 0101 0000 0011 0011 ---- 010 11111
247 DSB_DMB         1101 0101 0000 0011 0011 domain:2 types:2 10- 11111
248 ISB             1101 0101 0000 0011 0011 ---- 110 11111
274 # to hand-decode it.
312 CASP            0 . 001000 0 - 1 rs:5 - 11111 rn:5 rt:5 sz=%imm1_30_p2
314 CAS             sz:2 001000 1 - 1 rs:5 - 11111 rn:5 rt:5
327 NOP             11 011 0 00 ------------------- -----
332 # STNP, LDNP: Signed offset, non-temporal hint. We don't emulate caches
346 # STP and LDP: post-indexed
372 # STP and LDP: pre-indexed
441 # PRFM : prefetch memory: a no-op for QEMU
442 NOP             11 111 0 00 10 0 --------- 00 ----- -----
477 NOP             11 111 0 01 10 ------------ ----- -----
499 NOP             11 111 0 00 10 1 ----- -1- - 10 ----- -----
507 &atomic         rs rn rt a r sz
508 @atomic         sz:2 ... . .. a:1 r:1 . rs:5 . ... .. rn:5 rt:5 &atomic
539 # The 4-bit opcode in [15:12] encodes repeat count and structure elements
618 # Each of these comes in a set of three, eg SETP (prologue), SETM (main),
620 # indicate whether memory accesses should be unpriv or non-temporal.
621 # We don't distinguish temporal and non-temporal accesses, but we
659 ### Cryptographic three-register SHA
669 ### Cryptographic two-register SHA
675 ### Cryptographic three-register SHA512
685 ### Cryptographic two-register SHA512
690 ### Cryptographic four-register
696 ### Cryptographic three-register, imm2
1133 # Floating-point conditional select
1137 # Floating-point data-processing (3 source)
1186 # Floating-point Immediate
1194 # Right shifts are encoded as N - shift, where N is the element size in bits.