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1f29c2775d
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17 Commits

Author SHA1 Message Date
Johnny Chen
1f29c2775d Modify the wrong logic in the assert of DisassembleThumb2LdStDual() (the register classes were changed), 
modify the comment to be up-to-date, and add a test case for A8.6.66 LDRD (immediate) Encoding T1.

llvm-svn: 128252
 2011-03-25 01:09:48 +00:00
Johnny Chen
a4f73530a5 delegate the disassembly of t2ADR to the more generic t2ADDri12/t2SUBri12 instructions, and add a test case for that. 
llvm-svn: 128249
 2011-03-25 00:17:42 +00:00
Johnny Chen
4a55a733b8 The opcode names ("tLDM", "tLDM_UPD") used for conflict resolution have been stale since 
the change to ("tLDMIA", "tLDMIA_UPD").  Update the conflict resolution code and add
test cases for that.

llvm-svn: 128247
 2011-03-24 23:42:31 +00:00
Johnny Chen
6345e6a882 The ARM disassembler was confused with the 16-bit tSTMIA instruction. 
According to A8.6.189 STM/STMIA/STMEA (Encoding T1), there's only tSTMIA_UPD available.
Ignore tSTMIA for the decoder emitter and add a test case for that.

llvm-svn: 128246
 2011-03-24 23:21:14 +00:00
Johnny Chen
1fc160fa19 T2 Load/Store Multiple: 
These instructions were changed to not embed the addressing mode within the MC instructions
We also need to update the corresponding assert stmt.  Also add a test case.

llvm-svn: 128240
 2011-03-24 21:36:56 +00:00
Johnny Chen
b9309ecef1 Add disassembly test cases for: 
A8.6.292 VCMPE

llvm-svn: 128120
 2011-03-22 23:08:56 +00:00
Johnny Chen
90908a8eeb A8.6.399 VSTM: 
VFP Load/Store Multiple Instructions used to embed the IA/DB addressing mode within the
MC instruction; that has been changed so that now, for example, VSTMDDB_UPD and VSTMDIA_UPD
are two instructions.  Update the ARMDisassemblerCore.cpp's DisassembleVFPLdStMulFrm()
to reflect the change.

Also add a test case.

llvm-svn: 128103
 2011-03-22 20:00:10 +00:00
Johnny Chen
14f091b6ab The disassembler for Thumb was wrongly adding 4 to the computed imm32 offset. 
Remove the offending logic and update the test cases.

llvm-svn: 127843
 2011-03-18 00:38:03 +00:00
Johnny Chen
41abb5b0f7 It used to be that t_addrmode_s4 was used for both: 
o A8.6.195 STR (register) -- Encoding T1
o A8.6.193 STR (immediate, Thumb) -- Encoding T1

It has been changed so that now they use different addressing modes
and thus different MC representation (Operand Infos).  Modify the
disassembler to reflect the change, and add relevant tests.

llvm-svn: 127833
 2011-03-17 22:04:05 +00:00
Kevin Enderby
a1c2ea4ba0 Fix the arm's disassembler for blx that was building an MCInst without the 
needed two predicate operands before the imm operand.

llvm-svn: 126662
 2011-02-28 18:46:31 +00:00
Bruno Cardoso Lopes
ad05904e0b Add assembly parsing support for "msr" and also fix its encoding. Also add 
testcases for the disassembler to make sure it still works for "msr".

llvm-svn: 125948
 2011-02-18 19:45:59 +00:00
Bruno Cardoso Lopes
e65a98b127 Fix encoding and add parsing support for the arm/thumb CPS instruction: 
- Add custom operand matching for imod and iflags.
- Rename SplitMnemonicAndCC to SplitMnemonic since it splits more than CC
  from mnemonic.
- While adding ".w" as an operand, don't change "Head" to avoid passing the
  wrong mnemonic to ParseOperand.
- Add asm parser tests.
- Add disassembler tests just to make sure it can catch all cps versions.

llvm-svn: 125489
 2011-02-14 13:09:44 +00:00
Owen Anderson
899a6d74bf Revert both r121082 (which broke a bunch of constant pool stuff) and r125074 (which worked around it). This should get us back to the old, correct behavior, though it will make the integrated assembler unhappy for the time being. 
llvm-svn: 125127
 2011-02-08 22:39:40 +00:00
Owen Anderson
81f8b084e6 Second attempt at converting Thumb2's LDRpci, including updating the gazillion places that need to know about it. 
llvm-svn: 121082
 2010-12-07 00:45:21 +00:00
Jim Grosbach
c69ad2176a When using the 'push' mnemonic for Thumb2 stmdb, be explicit when it's the 
32-bit wide version by adding the .w suffix.

llvm-svn: 120838
 2010-12-03 20:33:01 +00:00
Owen Anderson
8802c68592 Add correct encodings for STRD and LDRD, including fixup support. Additionally, update these to unified syntax. 
llvm-svn: 120589
 2010-12-01 19:18:46 +00:00
Dale Johannesen
05a7c613fa Segregate tests by target. 
llvm-svn: 119050
 2010-11-14 18:14:32 +00:00