o signed/unsigned add/subtract
o signed/unsigned halving add/subtract
o unsigned sum of absolute difference [and accumulate]
o signed/unsigned saturate
o signed multiply accumulate/subtract [long] dual

llvm-svn: 96795

handled in ARMInstPrinter.cpp.

And added PLD/PLDW/PLI (Preload Data/Instruction) for disassembly only.

llvm-svn: 96719

out the canonical form (A8.6.98) instead of the pseudo-instruction as provided
via MOVs.

DBG_ARM_DISASM=YES llvm-mc -triple=arm-unknown-unknown --disassemble
0xc0 0x00 0xa0 0xe1
Opcode=29 Name=ASR Format=ARM_FORMAT_LDMISCFRM
 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10  9  8  7  6  5  4  3  2  1  0 
-------------------------------------------------------------------------------------------------
| 1: 1: 1: 0| 0: 0: 0: 1| 1: 0: 1: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 1: 1: 0: 0| 0: 0: 0: 0|
-------------------------------------------------------------------------------------------------

	asr	r0, r0, #1

llvm-svn: 96654

llvm-svn: 96619

of AI3ldsbpo, AI3ldhpo, and AI3ldshpo in ARMInstrFormats.td in the process.

llvm-svn: 96565

llvm-svn: 96540

A8.6.30

llvm-svn: 96523

B6.1.8 RFE Return From Exception loads the PC and the CPSR from the word at the
specified address and the following word respectively.

llvm-svn: 96519

A8.6.18  BFI - Bitfield insert (Encoding A1)

llvm-svn: 96462

llvm-svn: 96401

llvm-svn: 96393

llvm-svn: 96388

to have the predicate on the pattern itself instead. Support for the new
ISel. Remove definitions of CarryDefIsUnused and CarryDefIsUsed since they are
no longer used anywhere.

llvm-svn: 96384

llvm-svn: 96383

They won't work with the new ISel mechanism, as Requires predicates are no
longer allowed to reference the node being selected. Moving the predicate to
the patterns instead solves the problem.

This patch handles ARM mode. Thumb2 will follow.

llvm-svn: 96381

o Store Return State (SRSW, SRS)
o Load/Store Coprocessor (LDC/STC and friends)
o MSR (immediate)

llvm-svn: 96380

branch in ARM v4 code, since it gets clobbered by the return address before
it is used.  Instead of adding a new register class containing all the GPRs
except LR, just use the existing tGPR class.

llvm-svn: 96360

We could almost use a multiclass for the signed/unsigned instructions, but
there are only 6 of them so I guess it's not worth it.

llvm-svn: 96297

as suggested by Bob Wilson.

llvm-svn: 96153

llvm-svn: 96075

llvm-svn: 96063

Plus add two formats: MiscFrm and ThumbMiscFrm.  Some of the for disassembly
only instructions are changed from Pseudo Format to MiscFrm Format.

llvm-svn: 96032

llvm-svn: 96019

llvm-svn: 96010

llvm-svn: 95999

MRRC, MRRc2.  For disassembly only.

llvm-svn: 95955

llvm-svn: 95916

llvm-svn: 95884

as the "Permanently UNDEFINED" instruction.

llvm-svn: 95873

llvm-svn: 95784

llvm-svn: 95603

Rn operand.

llvm-svn: 95025

llvm-svn: 94955

cannot be directly interchanged for comparisons against negated values.
Disable the CMN instructions for the time being.

llvm-svn: 94119

Fix r93758. Use isel patterns instead of c++ selection code to select rbit and make sure we pick different instructions for ARM vs. Thumb2.

llvm-svn: 93829

"On ARMv6T2 this turns cttz into rbit, clz instead of the 4 instruction
 sequence it is now."

llvm-svn: 93758

clear what information these functions are actually using.

This is also a micro-optimization, as passing a SDNode * around is
simpler than passing a { SDNode *, int } by value or reference.

llvm-svn: 92564

llvm-svn: 91555

between BR_JTr and STREXD.

llvm-svn: 91339

llvm-svn: 91333