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1033 Commits

Author SHA1 Message Date
Johnny Chen
17f1f7c322 Fix LDRi12 immediate operand, which was changed to be the second operand in $addrmode_imm12 => (ops GPR:$base, i32imm:$offsimm). 
rdar://problem/9219356

llvm-svn: 128722
 2011-04-01 18:26:38 +00:00
Bruno Cardoso Lopes
d285a7f27e Apply again changes to support ARM memory asm parsing. I removed 
all LDR/STR changes and left them to a future patch. Passing all
checks now.

- Implement asm parsing support for LDRT, LDRBT, STRT, STRBT and
  fix the encoding wherever is possible.
- Add a new encoding bit to describe the index mode used and teach
  printAddrMode2Operand to check by the addressing mode which index
  mode to print.
- Testcases

llvm-svn: 128689
 2011-03-31 23:26:08 +00:00
Johnny Chen
a7312b9622 Add a test case for a malformed LDC/LDC2 instructions with PUDW = 0b0000, which 
amounts to an UNDEFINED instruction.

llvm-svn: 128668
 2011-03-31 20:54:30 +00:00
Johnny Chen
2c5149791a Fix single word and unsigned byte data transfer instruction encodings so that 
Inst{4} = 0.

rdar://problem/9213022

llvm-svn: 128662
 2011-03-31 19:28:35 +00:00
Johnny Chen
0bb797b2f3 Add BLXi to the instruction table for disassembly purpose. 
A8.6.23 BLX (immediate)

rdar://problem/9212921

llvm-svn: 128644
 2011-03-31 17:53:50 +00:00
Daniel Dunbar
5827f55cc7 Remove stray empty test file. 
llvm-svn: 128640
 2011-03-31 17:01:56 +00:00
Bruno Cardoso Lopes
392dbfd384 Revert r128632 again, until I figure out what break the tests 
llvm-svn: 128635
 2011-03-31 15:54:36 +00:00
Bruno Cardoso Lopes
3b2f5421ac Reapply r128585 without generating a lib depedency cycle. An updated log: 
- Implement asm parsing support for LDRT, LDRBT, STRT, STRBT and
  {STR,LDC}{2}_{PRE,POST} fixing the encoding wherever is possible.
- Move all instructions which use am2offset without a pattern to use
  addrmode2.
- Add a new encoding bit to describe the index mode used and teach
  printAddrMode2Operand to check by the addressing mode which index
  mode to print.
- Testcases

llvm-svn: 128632
 2011-03-31 14:52:28 +00:00
Matt Beaumont-Gay
325e16f668 Revert "- Implement asm parsing support for LDRT, LDRBT, STRT, STRBT and" 
This revision introduced a dependency cycle, as nlewycky mentioned by email.

llvm-svn: 128597
 2011-03-31 00:39:16 +00:00
Bruno Cardoso Lopes
cebbf7fe68 - Implement asm parsing support for LDRT, LDRBT, STRT, STRBT and 
{STR,LDC}{2}_PRE.
- Fixed the encoding in some places.
- Some of those instructions were using am2offset and now use addrmode2.
Codegen isn't affected, instructions which use SelectAddrMode2Offset were not
touched.
- Teach printAddrMode2Operand to check by the addressing mode which index
mode to print.
- This is a work in progress, more work to come. The idea is to change places
which use am2offset to use addrmode2 instead, as to unify assembly parser.
- Add testcases for assembly parser

llvm-svn: 128585
 2011-03-30 23:32:32 +00:00
Johnny Chen
326082e0b2 Add a test case for thumb stc2 instruction. 
llvm-svn: 128517
 2011-03-30 01:02:06 +00:00
Kevin Enderby
976435fa83 Adding a test for "-inf" as well. 
llvm-svn: 128495
 2011-03-29 21:54:10 +00:00
Johnny Chen
28a32ef2d7 Add a test case for MSRi. 
llvm-svn: 128494
 2011-03-29 21:52:02 +00:00
Kevin Enderby
1ece39d99c Added support symbolic floating point constants in the MC assembler for Infinity 
and Nans with the same strings as GAS supports.  rdar://8673024

llvm-svn: 128488
 2011-03-29 21:11:52 +00:00
Johnny Chen
3c4cb78640 Add a thumb test file for printf (iOS 4.3). 
llvm-svn: 128487
 2011-03-29 21:09:30 +00:00
Johnny Chen
ab342ac374 A8.6.188 STC, STC2 
The STC_OPTION and STC2_OPTION instructions should have their coprocessor option enclosed in {}.

rdar://problem/9200661

llvm-svn: 128478
 2011-03-29 19:49:38 +00:00
Johnny Chen
9a61664869 Rename invalid-VLDMSDB-arm.txt to be invalid-VLDMSDB_UPD-arm.txt. 
llvm-svn: 128477
 2011-03-29 19:10:06 +00:00
Johnny Chen
1cd323de0a Add and modify some tests. 
llvm-svn: 128476
 2011-03-29 19:08:52 +00:00
Owen Anderson
d73041e884 Get rid of the non-writeback versions VLDMDB and VSTMDB, which don't actually exist. 
llvm-svn: 128461
 2011-03-29 16:45:53 +00:00
Daniel Dunbar
5d8c7d0d36 MC: Add support for disabling "temporary label" behavior. Useful for debugging 
on Darwin.

llvm-svn: 128430
 2011-03-28 22:49:15 +00:00
Johnny Chen
8b921cebc6 Fix ARM disassembly for PLD/PLDW/PLI which suffers from code rot and add some test cases. 
Add comments to ThumbDisassemblerCore.h for recent change made for t2PLD disassembly.

llvm-svn: 128417
 2011-03-28 18:41:58 +00:00
Johnny Chen
61713b9c16 Fixed the t2PLD and friends disassembly and add two test cases. 
llvm-svn: 128322
 2011-03-26 01:32:48 +00:00
Johnny Chen
7238c61ff7 Add test for A8.6.246 UMULL to both arm-tests.txt amd thumb-tests.txt. 
llvm-svn: 128306
 2011-03-25 23:02:58 +00:00
Johnny Chen
4c59e0a556 Add two test cases t2SMLABT and t2SMMULR for DisassembleThumb2Mul(). 
llvm-svn: 128305
 2011-03-25 22:43:28 +00:00
Johnny Chen
75c4627aea Fix DisassembleThumb2DPReg()'s handling of RegClass. Cannot hardcode GPRRegClassID. 
Also add some test cases.

rdar://problem/9189829

llvm-svn: 128304
 2011-03-25 22:19:07 +00:00
Johnny Chen
5b840e19ef DisassembleThumb2LdSt() did not handle t2LDRs correctly with respect to RegClass. Add two test cases. 
rdar://problem/9182892

llvm-svn: 128299
 2011-03-25 19:35:37 +00:00
Johnny Chen
f16635a8f0 A8.6.226 TBB, TBH: 
Add two test cases.

llvm-svn: 128295
 2011-03-25 18:40:21 +00:00
Johnny Chen
c69c7b19ae Modify DisassembleThumb2LdStEx() to be more robust/correct in light of recent change to 
t2LDREX/t2STREX instructions.  Add two test cases.

llvm-svn: 128293
 2011-03-25 18:29:49 +00:00
Daniel Dunbar
1cbd2c6c88 MC: Improve some diagnostics on uses of '.' pseudo-symbol. 
llvm-svn: 128289
 2011-03-25 17:47:17 +00:00
Johnny Chen
f19366e37b Instruction formats of SWP/SWPB were changed from LdStExFrm to MiscFrm. Modify the disassembler to handle that. 
rdar://problem/9184053

llvm-svn: 128285
 2011-03-25 17:31:16 +00:00
Johnny Chen
583b7cb25e Also need to handle invalid imod values for CPS2p. 
rdar://problem/9186136

llvm-svn: 128283
 2011-03-25 17:03:12 +00:00
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
9672fe0126 Handle the added VBICiv*i* NEON instructions, too. 
llvm-svn: 128243
 2011-03-24 22:04:39 +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
Benjamin Kramer
a9c4afdeec Plug a leak in the arm disassembler and put the tests back. 
llvm-svn: 128238
 2011-03-24 21:14:28 +00:00
Bruno Cardoso Lopes
a5de5df6d8 Add asm parsing support w/ testcases for strex/ldrex family of instructions 
llvm-svn: 128236
 2011-03-24 21:04:58 +00:00
Johnny Chen
ef99d9b9eb Remove these two test files as they cause llvm-i686-linux-vg_leak build to fail 'test-llvm'. 
These two are test cases which should result in 'invalid instruction encoding' from running llvm-mc -disassemble.

llvm-svn: 128235
 2011-03-24 20:56:23 +00:00
Johnny Chen
ae5d27987a ADR was added with the wrong encoding for inst{24-21}, and the ARM decoder was fooled. 
Set the encoding bits to {0,?,?,0}, not 0.  Plus delegate the disassembly of ADR to
the more generic ADDri/SUBri instructions, and add a test case for that.

llvm-svn: 128234
 2011-03-24 20:42:48 +00:00
Johnny Chen
f6655e82b3 The r118201 added support for VORR (immediate). Update ARMDisassemblerCore.cpp to disassemble the 
VORRiv*i* instructions properly within the DisassembleN1RegModImmFrm() function.  Add a test case.

llvm-svn: 128226
 2011-03-24 18:40:38 +00:00
Johnny Chen
154393018f Add comments to the handling of opcode CPS3p to reject invalid instruction encoding, 
a test case of invalid CPS3p encoding and one for invalid VLDMSDB due to regs out of range.

llvm-svn: 128220
 2011-03-24 17:04:22 +00:00
Johnny Chen
404fb6c07f 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 two test cases.

llvm-svn: 128191
 2011-03-24 01:40:42 +00:00
Johnny Chen
0d55ce3734 STRT and STRBT was incorrectly tagged as IndexModeNone during the refactorings (r119821). 
We now tag them as IndexModePost.

llvm-svn: 128189
 2011-03-24 01:07:26 +00:00
Johnny Chen
f8507c96f1 The r128103 fix to cope with the removal of addressing modes from the MC instructions 
were incomplete.  The assert stmt needs to be updated and the operand index incrment is wrong.
Fix the bad logic and add some sanity checking to detect bad instruction encoding;
and add a test case.

llvm-svn: 128186
 2011-03-24 00:28:38 +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
beb7e880a2 LDRT and LDRBT was incorrectly tagged as IndexModeNone during the refactorings (r119821). 
We now tag them as IndexModePost.

This fixed http://llvm.org/bugs/show_bug.cgi?id=9530.

llvm-svn: 128113
 2011-03-22 22:28:49 +00:00
Johnny Chen
a31ae5ca74 Add one more test case for VFP Load/Store Multiple (vpop). 
llvm-svn: 128106
 2011-03-22 20:21:08 +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