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18 Commits

Author SHA1 Message Date
Richard Barton 0fc56890ba Disallow YIELD and other allocated nop hints in pre-ARMv6 architectures. 
llvm-svn: 155983
 2012-05-02 09:43:18 +00:00
Jim Grosbach 2597722e07 Thumb parsing and encoding support for NOP. 
The irony is not lost that this is not a completely trivial patchset.

llvm-svn: 138143
 2011-08-19 23:24:36 +00:00
Jim Grosbach 234317d12a Tidy up formatting. 
llvm-svn: 137464
 2011-08-12 17:01:02 +00:00
Jim Grosbach adb29b6dbb Fix predicates for Thumb co-processor instructions. 
They're all Thumb2 only, not just some of them. More refactoring cleanup
coming.

llvm-svn: 135081
 2011-07-13 21:14:23 +00:00
Bruno Cardoso Lopes 787dfadc7c ARM asm parser wasn't able to parse a "mov" instruction while in Thumb 
mode (only the "mov.w" variant). Now, when parsing "mov" in thumb mode,
default to the Thumb 1 versions/encodings.

llvm-svn: 132233
 2011-05-27 23:46:09 +00:00
Owen Anderson b745623b71 Fix encoding of Thumb BLX register instructions. Patch by Koan-Sin Tan. 
llvm-svn: 131189
 2011-05-11 17:00:48 +00:00
Bruno Cardoso Lopes 90d1dfe4c6 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
Bruno Cardoso Lopes 178c1e0c9b fix the encoding and add testcases for ARM nop, yield, wfe and wfi instructions 
llvm-svn: 124288
 2011-01-26 13:28:14 +00:00
Bruno Cardoso Lopes d8f9b37f31 Add cdp/cdp2 instructions for thumb/thumb2 
llvm-svn: 123929
 2011-01-20 18:32:09 +00:00
Bruno Cardoso Lopes cf99dc7eb9 Add mcr* and mr*c support to thumb targets 
llvm-svn: 123917
 2011-01-20 16:35:57 +00:00
Bruno Cardoso Lopes e6290ccf9b Follow the current hack set and enable the correct parsing of bkpt while in thumb mode. 
llvm-svn: 123772
 2011-01-18 20:55:11 +00:00
Bill Wendling 811c936ed5 Add parsing for the Thumb t_addrmode_s4 addressing mode. This can almost 
certainly be made more generic. But it does allow us to parse something like:

          ldr     r3, [r2, r4]

correctly in Thumb mode.

llvm-svn: 120408
 2010-11-30 07:44:32 +00:00
Bill Wendling 232e52cfb7 Add more Thumb encodings. 
llvm-svn: 120279
 2010-11-29 01:07:48 +00:00
Bill Wendling ccba1a8d95 More Thumb encodings. 
llvm-svn: 120278
 2010-11-29 01:00:43 +00:00
Bill Wendling 9600e97c60 Add Thumb encodings for REV instructions. 
llvm-svn: 120277
 2010-11-29 00:42:50 +00:00
Bill Wendling 775899eb2e Add more Thumb encodings. 
llvm-svn: 120272
 2010-11-29 00:18:15 +00:00
Bill Wendling c01d679928 Add encoding for ARM "trap" instruction. 
llvm-svn: 119938
 2010-11-21 11:05:29 +00:00
Bill Wendling 945b776b6e Add MC encodings for some Thumb instructions. Test for a few of them. The "bx 
lr" instruction cannot be tested just yet. It requires matching a "condition
code", but adding one of those makes things go south quickly...

llvm-svn: 119774
 2010-11-19 01:33:10 +00:00