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18 Commits

Author SHA1 Message Date
Richard Barton
0a552d611e Disallow YIELD and other allocated nop hints in pre-ARMv6 architectures. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155983 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-02 09:43:18 +00:00
Jim Grosbach
0780b6303b Thumb parsing and encoding support for NOP. 
The irony is not lost that this is not a completely trivial patchset.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138143 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-19 23:24:36 +00:00
Jim Grosbach
46c38aff89 Tidy up formatting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137464 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 17:01:02 +00:00
Jim Grosbach
9bb098ad3a Fix predicates for Thumb co-processor instructions. 
They're all Thumb2 only, not just some of them. More refactoring cleanup
coming.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135081 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-13 21:14:23 +00:00
Bruno Cardoso Lopes
be64b39431 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132233 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-27 23:46:09 +00:00
Owen Anderson
18901d63bf Fix encoding of Thumb BLX register instructions. Patch by Koan-Sin Tan. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131189 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-11 17:00:48 +00:00
Bruno Cardoso Lopes
a2b6e4151b 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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125489 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-14 13:09:44 +00:00
Bruno Cardoso Lopes
1b10d5be40 fix the encoding and add testcases for ARM nop, yield, wfe and wfi instructions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124288 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-26 13:28:14 +00:00
Bruno Cardoso Lopes
8dd37f7b7d Add cdp/cdp2 instructions for thumb/thumb2 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123929 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-20 18:32:09 +00:00
Bruno Cardoso Lopes
fa5bd27fbe Add mcr* and mr*c support to thumb targets 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123917 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-20 16:35:57 +00:00
Bruno Cardoso Lopes
fdcee77887 Follow the current hack set and enable the correct parsing of bkpt while in thumb mode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123772 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-18 20:55:11 +00:00
Bill Wendling
ef4a68badb 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120408 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-30 07:44:32 +00:00
Bill Wendling
2f17bf2a44 Add more Thumb encodings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120279 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-29 01:07:48 +00:00
Bill Wendling
5cbbf68e35 More Thumb encodings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120278 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-29 01:00:43 +00:00
Bill Wendling
d19ac0c75a Add Thumb encodings for REV instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120277 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-29 00:42:50 +00:00
Bill Wendling
849f2e381e Add more Thumb encodings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120272 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-29 00:18:15 +00:00
Bill Wendling
af2b573614 Add encoding for ARM "trap" instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119938 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-21 11:05:29 +00:00
Bill Wendling
602890dd8e 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...


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119774 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-19 01:33:10 +00:00