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61 Commits

Author SHA1 Message Date
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
Bob Wilson
e7ac2389b2 PR9030: Fix disassembly of ARM "mov pc, lr" instruction. 
Patch by Jyun-Yan You.

llvm-svn: 124492
 2011-01-28 17:50:30 +00:00
Owen Anderson
4f5dac3541 As far as I can tell, unified syntax uses c0-c15 instead of cr0-cr15 for mcr and friends. 
llvm-svn: 123407
 2011-01-13 22:38:16 +00:00
Rafael Espindola
64814fff0b Correctly disassemble truncated asm. 
Patch by Richard Simth.

llvm-svn: 122962
 2011-01-06 16:48:42 +00:00
Wesley Peck
e8ec7a4d1f Teach the MBlaze disassembler to disassemble special purpose registers. 
llvm-svn: 122269
 2010-12-20 21:18:04 +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
Wesley Peck
890a8357af Now that the MBlaze backend is in its own directory, split the test cases into multiple files for different types of instructions. 
llvm-svn: 119580
 2010-11-17 22:54:43 +00:00
Dale Johannesen
05a7c613fa Segregate tests by target. 
llvm-svn: 119050
 2010-11-14 18:14:32 +00:00
Wesley Peck
4a2644f203 Fixed error and re-enabled MBlaze MC disassembler tests. 
llvm-svn: 118987
 2010-11-13 05:48:21 +00:00
Dale Johannesen
7a2e75185a This test stops after disassembling 1 instructions on 
darwin and, judging from the buildbots, Linux.
Removing it for now, but this is not the right fix,
Wesley please look at it.

llvm-svn: 118977
 2010-11-13 03:55:04 +00:00
Wesley Peck
5c8b28f1fe Add test cases that should have been committed with 118969. 
llvm-svn: 118974
 2010-11-13 02:51:00 +00:00
Chris Lattner
5bf66af7ed chase owen. 
llvm-svn: 118124
 2010-11-02 23:55:24 +00:00
Chris Lattner
e6e3c0e4cf tweak this to pass. 
llvm-svn: 118122
 2010-11-02 23:50:17 +00:00
Chris Lattner
0cfbc490da temporarily xfail this. 
llvm-svn: 118120
 2010-11-02 23:44:50 +00:00
Sean Callanan
9a40554de4 Fixed handling of immediate operand sizes, which 
weren't properly reflecting the OperandSize attribute
of the instruction leading to improper decoding of
certain instructions with the 66H prefix.  Also added
a test case for this.

llvm-svn: 117084
 2010-10-22 01:24:11 +00:00
Bob Wilson
fcc42f2f3a ARM instructions that are both predicated and set the condition codes 
have been printed with the "S" modifier after the predicate.  With ARM's
unified syntax, they are supposed to go in the other order.  We fixed this
for Thumb when we switched to unified syntax but missed changing it for
ARM.  Apparently we don't generate these instructions often because no one
noticed until now.  Thanks to Bill Wendling for the testcase!

llvm-svn: 116563
 2010-10-15 03:23:44 +00:00
Jim Grosbach
1699d40f80 Refactor the ARM 'setend' instruction pattern. Use a single instruction pattern 
and handle the operand explicitly. Flesh out encoding information. Add an
explicit disassembler testcase for the instruction.

llvm-svn: 116432
 2010-10-13 21:00:04 +00:00
Sean Callanan
be873cd53a Added a testcase for the ENTER instruction. 
llvm-svn: 115580
 2010-10-05 00:21:40 +00:00
Benjamin Kramer
1cad9b6521 Fix vmov.f64 disassembly on targets where sizeof(long) != 8. 
llvm-svn: 114240
 2010-09-17 23:48:07 +00:00
Jim Grosbach
75ae6f4ebb add a test of an edge case value for the FP immediate (needs all digits of 
precision)

llvm-svn: 114028
 2010-09-15 21:52:13 +00:00
Jim Grosbach
90aca3a6bf Teach the MC disassembler to handle vmov.f32 and vmov.f64 immediate to register 
moves. Previously, the immediate was printed as the encoded integer value,
which is incorrect.

llvm-svn: 114021
 2010-09-15 21:04:54 +00:00
Jim Grosbach
901a646188 Reapply r113875 with additional cleanups. 
"The register specified for a dregpair is the corresponding Q register, so to
get the pair, we need to look up the sub-regs based on the qreg. Create a
lookup function since we don't have access to TargetRegisterInfo here to
be able to use getSubReg(ARM::dsub_[01])."

Additionaly, fix the NEON VLD1* and VST1* instruction patterns not to use
the dregpair modifier for the 2xdreg versions. Explicitly specifying the two
registers as operands is more correct and more consistent with the other
instruction patterns. This enables further cleanup of special case code in the
disassembler as a nice side-effect.

llvm-svn: 113903
 2010-09-14 23:54:06 +00:00
Bob Wilson
e382fce916 Change ARM PKHTB and PKHBT instructions to use a shift_imm operand to avoid 
printing "lsl #0".  This fixes the remaining parts of pr7792.  Make
corresponding changes for encoding/decoding these instructions.

llvm-svn: 111251
 2010-08-17 17:23:19 +00:00
Bob Wilson
92bf5a7425 Add a Thumb2 t2RSBrr instruction for disassembly only. 
This fixes another part of PR7792.

llvm-svn: 111057
 2010-08-13 23:24:25 +00:00
Bob Wilson
0883c6aae3 Move the Thumb2 SSAT and USAT optional shift operator out of the 
instruction opcode.  This fixes part of PR7792.

llvm-svn: 111047
 2010-08-13 21:48:10 +00:00
Johnny Chen
78345b1dfe Cleaned up the for-disassembly-only entries in the arm instruction table so that 
the memory barrier variants (other than 'SY' full system domain read and write)
are treated as one instruction with option operand.

llvm-svn: 110951
 2010-08-12 20:46:17 +00:00
Johnny Chen
fef1367b50 The autogened decoder was confusing the ARM STRBT for ARM USAT, because the .td 
entry for ARM STRBT is actually a super-instruction for A8.6.199 STRBT A1 & A2.
Recover by looking for ARM:USAT encoding pattern before delegating to the auto-
gened decoder.

Added a "usat" test case to arm-tests.txt.

llvm-svn: 110894
 2010-08-12 01:40:54 +00:00
Johnny Chen
9a37d16281 Changed the format of DMBsy, DSBsy, and friends from Pseudo to MiscFrm. 
Added two test cases to arm-tests.txt.

llvm-svn: 110880
 2010-08-11 23:35:12 +00:00
Bob Wilson
3582107cf8 Move the ARM SSAT and USAT optional shift amount operand out of the 
instruction opcode.  This also fixes part of PR7792.

llvm-svn: 110875
 2010-08-11 23:10:46 +00:00
Bob Wilson
4ba3c0a5e1 Add an ARM RSCrr instruction for disassembly only. 
Partial fix for PR7792.

llvm-svn: 110361
 2010-08-05 18:59:36 +00:00
Bob Wilson
9fbaea3765 Add an ARM RSBrr instruction for disassembly only. 
Partial fix for PR7792.

llvm-svn: 110358
 2010-08-05 18:23:43 +00:00
Bob Wilson
214b004717 ARM "rrx" shift operands do not have an immediate. PR7790. 
llvm-svn: 110292
 2010-08-05 00:34:42 +00:00
Bob Wilson
439e7b1d73 Add support for disassembling VMVN (immediate) instructions. PR7747. 
llvm-svn: 109946
 2010-07-31 05:57:44 +00:00
Chris Lattner
ddb09ea6ad my work on adding segment registers to LEA missed the 
disassembler.  Remove some code from the disassembler to
compensate, unbreaking disassembly of lea's.

llvm-svn: 108226
 2010-07-13 04:23:55 +00:00
Sean Callanan
4331428e24 Eliminated the classification of control registers into %ecr_ 
and %rcr_, leaving just %cr_ which is what people expect.
Updated the disassembler to support this unified register set.
Added a testcase to verify that the registers continue to be
decoded correctly.

llvm-svn: 103196
 2010-05-06 20:59:00 +00:00
Johnny Chen
6e4b1607ee Thumb instructions which have reglist operands at the end and predicate operands 
before reglist were not properly handled with respect to IT Block.  Fix that by
creating a new method ARMBasicMCBuilder::DoPredicateOperands() used by those
instructions for disassembly.  Add a test case.

llvm-svn: 101974
 2010-04-21 01:01:19 +00:00
Johnny Chen
9998480f92 When doing Thumb disassembly, there's no need to consider t2ADDrSPi12/t2SUBrSPi12, 
as their generic counterparts t2ADDri12/t2SUBri12 should suffice.

llvm-svn: 101929
 2010-04-20 18:45:24 +00:00
Johnny Chen
bd5bf58029 For t2LDRT, t2LDRBT, t2LDRHT, t2LDRSBT, and t2LDRSHT, if Rn(Inst{19-16})=='1111', 
transform the Opcode to the corresponding t2LDR*pci counterpart.

Ref: A8.6.86 LDRT, A8.6.65 LDRBT, A8.6.77 LDRHT, A8.6.81 LDRSBT, A8.6.85 LDRSHT
llvm-svn: 101915
 2010-04-20 17:28:50 +00:00
Johnny Chen
fe24cdbba8 According to A8.6.16 B (Encoding T3) and A8.3 Conditional execution -- A8.3.1 
Pseudocode details of conditional, Condition bits '111x' indicate the
instruction is always executed.  That is, '1111' is a leagl condition field
value, which is now mapped to ARMCC::AL.

Also add a test case for condition field '1111'.

llvm-svn: 101817
 2010-04-19 21:19:52 +00:00
Johnny Chen
091c01cb2f ARM disassembler did not react to recent changes to the NEON instruction table. 
VLD1q*_UPD and VST1q*_UPD have the ${dst:dregpair} operand now.

llvm-svn: 101784
 2010-04-19 16:20:34 +00:00
Chris Lattner
80a22bfcdb testcase for r101538, patch by Nico Schmidt! 
llvm-svn: 101642
 2010-04-17 17:22:06 +00:00
Johnny Chen
1b78f89844 Minor change to make the test case comply with Vd<0> == '0' when Q == '1'. 
llvm-svn: 101559
 2010-04-16 22:48:31 +00:00
Johnny Chen
44087236da Fixed a bug in DisassembleN1RegModImmFrm() where a break stmt was missing for a 
case.  Also, the 0xFF hex literal involved in the shift for ESize64 should be
suffixed "ul" to preserve the shift result.

Implemented printHex*ImmOperand() by copying from ARMAsmPrinter.cpp and added a
test case for DisassembleN1RegModImmFrm()/printHex64ImmOperand().

llvm-svn: 101557
 2010-04-16 22:40:20 +00:00
Johnny Chen
7ac96eac03 In the same spirit of r101524, which removed the assert() from printAddrMode2OffsetOperand(), 
this patch removes the assert() from printAddrMode3OffsetOperand() and adds a test case.

llvm-svn: 101529
 2010-04-16 19:57:21 +00:00
Johnny Chen
3cc0200f74 Multiclass LdStCop was using pre-UAL syntax LDC<c>L for the L fragment. Changed 
to the UAL syntax of LDCL<c>, instead.

Add a test case for this change which also tests the removal of assert() from
printAddrMode2OffsetOperand().

llvm-svn: 101527
 2010-04-16 19:33:23 +00:00
Johnny Chen
0017916a36 Added another test case for am3offset operand, testing Rn, #+/-imm8. 
Previous checkin tested Rn, #+/-Rm.

llvm-svn: 101418
 2010-04-15 23:23:40 +00:00
Johnny Chen
53225c4582 Fixed a bug in ARM disassembly where LDRSBT should have am3offset operand, not 
am2offset.  Modified the instruction table entry and added a new test case.

llvm-svn: 101415
 2010-04-15 23:12:47 +00:00
Daniel Dunbar
cc40ce33de tests: MC/Disassembler tests depend on ARM support being compiler in. 
llvm-svn: 101337
 2010-04-15 03:47:20 +00:00