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173 Commits

Author SHA1 Message Date
Jim Grosbach
54372eef76 ARM/Thumb2 'cmp rn, #imm' alias to cmn. 
When 'cmp rn #imm' doesn't match due to the immediate not being representable,
but 'cmn rn, #-imm' does match, use the latter in place of the former, as
it's equivalent.

rdar://10552389

llvm-svn: 146567
 2011-12-14 17:30:24 +00:00
Jim Grosbach
089ad574d8 Thumb2 assembler aliases for "mov(shifted register)" 
rdar://10549767

llvm-svn: 146520
 2011-12-13 22:45:11 +00:00
Jim Grosbach
7db50010cc Test for 146516 
llvm-svn: 146517
 2011-12-13 21:06:59 +00:00
Jim Grosbach
13d3509445 ARM thumb2 parsing of "rsb rd, rn, #0". 
rdar://10549741

llvm-svn: 146515
 2011-12-13 20:50:38 +00:00
Jim Grosbach
0ba5ba4535 ARM pre-UAL NEG mnemonic for convenience when porting old code. 
llvm-svn: 146511
 2011-12-13 20:23:22 +00:00
Jim Grosbach
1ccae84fa7 Thumb2 alias for long-form pop and friends. 
rdar://10542474

llvm-svn: 146046
 2011-12-07 18:32:28 +00:00
Jim Grosbach
dc7d42f559 Thumb2: MUL two-operand form encoding operand order fix. 
Fix the alias to encode 'mul r5, r6' as if it were 'mul r5, r6, r5' so we
match gas.

rdar://10532439

llvm-svn: 145922
 2011-12-06 05:03:45 +00:00
Jim Grosbach
8bdbe92631 Thumb2 encoding choice correction for PLD. 
Using encoding T1 for offset of #0 and encoding T2 for #-0.

rdar://10532413

llvm-svn: 145919
 2011-12-06 04:49:29 +00:00
Jim Grosbach
6584358d09 Update tests for r145860. Add a few new ones. 
llvm-svn: 145861
 2011-12-05 22:21:28 +00:00
Jim Grosbach
655b017748 Thumb2 prefer encoding T3 to T4 for ADD/SUB immediate instructions. 
rdar://10529348

llvm-svn: 145851
 2011-12-05 21:06:26 +00:00
Jim Grosbach
e4933acaa7 Testcase for r144684. 
llvm-svn: 144685
 2011-11-15 19:56:17 +00:00
Jim Grosbach
df951fa128 Thumb2 assembly parsing for mul.w in IT block fix. 
When the 3rd operand is not a low-register, and the first two operands are
the same low register, the parser was incorrectly trying to use the 16-bit
instruction encoding.

rdar://10449281

llvm-svn: 144679
 2011-11-15 19:29:45 +00:00
Jim Grosbach
bd7df609b7 Thumb2 parsing for push/pop w/ hi registers in the reglist. 
rdar://10130228.

llvm-svn: 144331
 2011-11-10 23:17:11 +00:00
Jim Grosbach
8591bd2bab Thumb2 assembly parsing STMDB w/ optional .w suffix. 
rdar://10422955

llvm-svn: 144242
 2011-11-09 23:44:23 +00:00
Jim Grosbach
f3285dba99 Add Thumb2 alias for "mov Rd, #imm" to "mvn Rd, #~imm". 
When '~imm' is encodable as a t2_so_imm but plain 'imm' is not. For example,
  mov r2, #-3
becomes
  mvn r2, #2

rdar://10349224

llvm-svn: 143235
 2011-10-28 22:36:30 +00:00
Jim Grosbach
72ab459378 Thumb2 ADD/SUB instructions encoding selection outside IT block. 
Outside an IT block, "add r3, #2" should select a 32-bit wide encoding
rather than generating an error indicating the 16-bit encoding is only
legal in an IT block (outside, the 'S' suffic is required for the 16-bit
encoding).

rdar://10348481

llvm-svn: 143201
 2011-10-28 16:57:07 +00:00
Jim Grosbach
4f7964293a Thumb2 t2LDMDB[_UPD] assembly parsing to recognize .w suffix. 
rdar://10348844

llvm-svn: 143110
 2011-10-27 17:33:59 +00:00
Jim Grosbach
e1ec953149 Thumb2 t2MVNi assembly parsing to recognize ".w" suffix. 
rdar://10348584

llvm-svn: 143108
 2011-10-27 17:16:55 +00:00
Jim Grosbach
e3c6fa663f Thumb2 ldr pc-relative encoding fixes. 
We were parsing label references to the i12 encoding, which isn't right.
They need to go to the pci variant instead.

More of rdar://10348687

llvm-svn: 143068
 2011-10-26 22:22:01 +00:00
Jim Grosbach
422576b6e8 Thumb2 assembly parsing and encoding for LDC/STC. 
llvm-svn: 141811
 2011-10-12 20:54:17 +00:00
Jim Grosbach
b503a2183e ARM Thumb2 asm parsing [SU]XT[BH] without rotate but with .w. 
Add inst alias to handle these assembly forms. Add tests, too.

rdar://10178799

llvm-svn: 140647
 2011-09-27 22:18:54 +00:00
Owen Anderson
c811b1bed2 Remove incorrect testcases. 
llvm-svn: 140572
 2011-09-26 22:13:55 +00:00
Owen Anderson
fc9a0d104c Teach the Thumb2 AsmParser to accept pre-indexed loads/stores with an offset of #-0. 
llvm-svn: 140426
 2011-09-23 22:25:02 +00:00
Owen Anderson
22ab29756b Turns out that Thumb2 ADR doesn't need special printing like LDR does. Fix other test failures I caused. 
llvm-svn: 140284
 2011-09-21 23:53:44 +00:00
Jim Grosbach
169f556004 Thumb2 assembly parsing and encoding for WFE/WFI/YIELD. 
llvm-svn: 140126
 2011-09-20 00:48:56 +00:00
Jim Grosbach
e936bdc286 Thumb2 assembly parsing and encoding for UXTAB/UXTAB16/UXTH/UXTB/UXTB16/UXTH. 
llvm-svn: 140125
 2011-09-20 00:46:54 +00:00
Jim Grosbach
79dac4bf28 Thumb2 assembly parsing and encoding for USUB8/USUB16. 
llvm-svn: 140120
 2011-09-20 00:31:57 +00:00
Jim Grosbach
5ca3bddd26 Thumb2 assembly parsing and encoding for USAX. 
llvm-svn: 140119
 2011-09-20 00:30:45 +00:00
Jim Grosbach
f6d79c7c40 Thumb2 assembly parsing and encoding for USAT16. 
llvm-svn: 140118
 2011-09-20 00:28:25 +00:00
Jim Grosbach
4768b6b0d4 Thumb2 assembly parsing and encoding for USAT. 
llvm-svn: 140117
 2011-09-20 00:27:36 +00:00
Jim Grosbach
c67e9e9885 Thumb2 assembly parsing and encoding for UQSAD8/USADA8. 
llvm-svn: 140113
 2011-09-20 00:23:51 +00:00
Jim Grosbach
0b329532eb Thumb2 assembly parsing and encoding for UQSUB16/UQSUB8. 
llvm-svn: 140112
 2011-09-20 00:20:44 +00:00
Jim Grosbach
18a65f1fe6 Thumb2 assembly parsing and encoding for UQASX/UQSAX. 
llvm-svn: 140111
 2011-09-20 00:18:52 +00:00
Jim Grosbach
f5f3242925 Thumb2 assembly parsing and encoding for UQADD16/UQADD8. 
llvm-svn: 140110
 2011-09-20 00:15:03 +00:00
Jim Grosbach
2341e082fc Thumb2 assembly parsing and encoding for UMAAL/UMLAL/UMULL. 
llvm-svn: 140095
 2011-09-19 23:31:02 +00:00
Jim Grosbach
3a7a6c8acf Thumb2 assembly parsing and encoding for UHSUB16/UHSUB8. 
llvm-svn: 140089
 2011-09-19 23:15:36 +00:00
Jim Grosbach
dd8d66f3aa Thumb2 assembly parsing and encoding for UHASX/UHSAX. 
llvm-svn: 140088
 2011-09-19 23:13:25 +00:00
Jim Grosbach
0bec90ffe5 Thumb2 assembly parsing and encoding for UHADD16/UHADD8. 
llvm-svn: 140087
 2011-09-19 23:08:24 +00:00
Jim Grosbach
ec1bd1e213 Thumb2 assembly parsing and encoding for UBFX. 
llvm-svn: 140086
 2011-09-19 23:06:38 +00:00
Jim Grosbach
a5a28c45e5 Thumb2 assembly parsing and encoding for UASX. 
llvm-svn: 140085
 2011-09-19 23:05:22 +00:00
Jim Grosbach
4d8d362374 Fix copy/past-o. Gotta remember that 'modify' step... 
llvm-svn: 140082
 2011-09-19 22:53:00 +00:00
Jim Grosbach
2ef3c31987 Thumb2 assembly parsing and encoding for UADD16/UADD8. 
llvm-svn: 140081
 2011-09-19 22:52:27 +00:00
Jim Grosbach
7941ca00ab Thumb2 assembly parsing and encoding for TST. 
llvm-svn: 140080
 2011-09-19 22:46:06 +00:00
Jim Grosbach
6da9e6b23d Thumb2 assembly parsing and encoding for TBB/TBH. 
llvm-svn: 140078
 2011-09-19 22:21:13 +00:00
Jim Grosbach
2185babd50 Thumb2 assembly parsing and encoding for TEQ. 
llvm-svn: 140070
 2011-09-19 21:41:21 +00:00
Jim Grosbach
c7fa5f0c00 Thumb2 assembly parsing and encoding for SXTB/SXTB16/SXTH. 
llvm-svn: 140047
 2011-09-19 20:29:33 +00:00
Jim Grosbach
c677995374 Thumb2 assembly parsing and encoding for SXTAB/SXTAB16/SXTAH. 
llvm-svn: 140029
 2011-09-19 17:56:37 +00:00
Jim Grosbach
06677b6b4c Thumb2 assembly parsing and encoding for SVC. 
llvm-svn: 140025
 2011-09-19 17:40:35 +00:00
Jim Grosbach
a5bdf3b221 Thumb2 assembly parsing and encoding for SUB(register). 
llvm-svn: 140024
 2011-09-19 17:37:48 +00:00
Jim Grosbach
95242bff08 Thumb2 assembly parsing and encoding for SUB(immediate). 
llvm-svn: 139966
 2011-09-16 22:58:42 +00:00