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3a36dd4a0b
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60 Commits

Author SHA1 Message Date
Chris Lattner
3a36dd4a0b split MaybeParseRegister into its two logical uses, eliminating malloc+free traffic. 
llvm-svn: 117769
 2010-10-30 04:09:10 +00:00
Bill Wendling
b68e0d0ee3 Some instructions end with an "ls" prefix, but it doesn't indicate that they are 
conditional. Check for those instructions explicitly.

llvm-svn: 117747
 2010-10-29 23:50:21 +00:00
Jim Grosbach
e811e91d02 add FIXME 
llvm-svn: 117718
 2010-10-29 21:56:51 +00:00
Jim Grosbach
edec5cc6b8 Handle ARM addrmode5 instructions with an offset. 
llvm-svn: 117672
 2010-10-29 17:41:25 +00:00
Jim Grosbach
6f257bd31b Revert 117660. Apparently it's not as trivial as that... 
llvm-svn: 117663
 2010-10-29 16:50:53 +00:00
Jim Grosbach
8c9a2ee86e ARM addrmode5 instructions have neither writeback nor post-indexed modes. 
llvm-svn: 117660
 2010-10-29 16:38:59 +00:00
Jim Grosbach
29961ebfc5 Trailing whitespace. 
llvm-svn: 117651
 2010-10-29 14:46:02 +00:00
Benjamin Kramer
f2442da5f6 ARMAsmParser: Plug a memory leak. 
llvm-svn: 117648
 2010-10-29 09:43:39 +00:00
Eric Christopher
930a767468 Add an unreachable to silence warning - the switch is actually 
fully enumerated.

llvm-svn: 117647
 2010-10-29 09:26:59 +00:00
Chris Lattner
115cd02d22 add simple support for addrmode5 operands, allowing 
vldr.64 to work.  I have no idea if this is fully right, but 
it is in the right direction.

llvm-svn: 117626
 2010-10-29 00:27:31 +00:00
Chris Lattner
ef237e6013 give better error diagnostics, for example: 
t.s:1:14: error: invalid operand for instruction
vldr.64	d17, [r0]   
       	     ^

instead of:

t.s:1:1: error: unrecognized instruction
vldr.64	d17, [r0]   
^

llvm-svn: 117611
 2010-10-28 21:41:58 +00:00
Chris Lattner
4210ffb9c5 move a method out of line. 
llvm-svn: 117605
 2010-10-28 21:28:01 +00:00
Chris Lattner
b6c7a9e204 remove the rest of hte owningptr's, no functionality change. 
llvm-svn: 117603
 2010-10-28 20:52:15 +00:00
Chris Lattner
0a21ad2553 rearrange ParseRegisterList. 
llvm-svn: 117560
 2010-10-28 17:23:41 +00:00
Chris Lattner
a9c0f00f10 refactor some code to simplify it, eliminating some owningptr's. 
llvm-svn: 117559
 2010-10-28 17:20:03 +00:00
Chandler Carruth
55850cad48 Remove remaining uses of ATTRIBUTE_UNUSED on variables, and delete three 
#includes in the process.

llvm-svn: 116919
 2010-10-20 08:27:02 +00:00
Chris Lattner
cbecb9a4d3 implement rdar://8456378 and PR7557 - support for the fstsw, 
an instruction that requires a WHOLE NEW wonderful kind of alias.

llvm-svn: 115015
 2010-09-29 01:50:45 +00:00
Chris Lattner
9b9a847b8c change the protocol TargetAsmPArser::MatchInstruction method to take an 
MCStreamer to emit into instead of an MCInst to fill in.  This allows the
matcher extra flexibility and is more convenient.

llvm-svn: 115014
 2010-09-29 01:42:58 +00:00
Chris Lattner
ffe1efe7ef fix the asmparser so that the target is responsible for skipping to 
the end of the line on a parser error, allowing skipping to happen
for syntactic errors but not for semantic errors.  Before we would
miss emitting a diagnostic about the second line, because we skipped
it due to the semantic error on the first line:

  foo %eax
  bar %al

This fixes rdar://8414033 - llvm-mc ignores lines after an invalid instruction mnemonic errors

llvm-svn: 113688
 2010-09-11 16:18:25 +00:00
Chris Lattner
0e0f9094e9 change the MC "ParseInstruction" interface to make it the 
implementation's job to check for and lex the EndOfStatement
marker.

llvm-svn: 113347
 2010-09-08 05:10:46 +00:00
Chris Lattner
6bfa0d9988 in the case where an instruction only has one implementation 
of a mneumonic, report operand errors with better location
info.  For example, we now report:

t.s:6:14: error: invalid operand for instruction
        cwtl $1
             ^

but we fail for common cases like:

t.s:11:4: error: invalid operand for instruction
   addl $1, $1
   ^

because we don't know if this is supposed to be the reg/imm or imm/reg
form.

llvm-svn: 113178
 2010-09-06 22:11:18 +00:00
Chris Lattner
22bb9cb511 change MatchInstructionImpl to return an enum instead of bool. 
llvm-svn: 113165
 2010-09-06 19:22:17 +00:00
Chris Lattner
45a204be76 have AsmMatcherEmitter.cpp produce the hunk of code that gets included 
into the middle of the class, and rework how the different sections of
the generated file are conditionally included for simplicity.

llvm-svn: 113163
 2010-09-06 19:11:01 +00:00
Chris Lattner
b911e51b26 zap dead code. 
llvm-svn: 112712
 2010-09-01 16:04:34 +00:00
Daniel Dunbar
f2b4982344 MC/AsmParser: Push the burdon of emitting diagnostics about unmatched 
instructions onto the target specific parser, which can do a better job.

llvm-svn: 110889
 2010-08-12 00:55:38 +00:00
Daniel Dunbar
0a98bc5619 tblgen/AsmMatcher: Always emit the match function as 'MatchInstructionImpl', 
target specific parsers can adapt the TargetAsmParser to this.

llvm-svn: 110888
 2010-08-12 00:55:32 +00:00
Daniel Dunbar
bc7c0a60da MC/ARM: Add basic support for handling predication by parsing it out of the mnemonic into a separate operand form. 
llvm-svn: 110794
 2010-08-11 06:37:20 +00:00
Daniel Dunbar
63628f1443 MC/ARM: Split mnemonic on '.' characters. 
llvm-svn: 110793
 2010-08-11 06:37:16 +00:00
Daniel Dunbar
bbaa88a848 MC/ARM: Fill in ARMOperand::dump a bit. 
llvm-svn: 110792
 2010-08-11 06:37:12 +00:00
Daniel Dunbar
ee80a239ed MCAsmParser: Add dump() hook to MCParsedAsmOperand. 
llvm-svn: 110790
 2010-08-11 06:37:04 +00:00
Daniel Dunbar
74ed9321a3 MC/ARM: Add an ARMOperand class for condition codes. 
llvm-svn: 110788
 2010-08-11 06:36:53 +00:00
Daniel Dunbar
89a64ee590 MC/ARM: Switch to using the generated match functions instead of stub implementations. 
llvm-svn: 110783
 2010-08-11 05:24:50 +00:00
Daniel Dunbar
150021561c Target: Give the TargetAsmParser access to the TargetMachine. 
- Unfortunate, but necessary for now to handle subtarget instruction matching. Eventually we should factor out the lower level target machine information so we don't need to do this.

llvm-svn: 108664
 2010-07-19 00:33:49 +00:00
Benjamin Kramer
da3e6cdb26 Don't pass StringRef by reference. 
llvm-svn: 108366
 2010-07-14 22:38:02 +00:00
Duncan Sands
f7b98e2b1e Convert some tab stops into spaces. 
llvm-svn: 108130
 2010-07-12 08:16:59 +00:00
Duncan Sands
9eff796264 Remove unused variable Loc and pointless variables unified_syntax 
and thumb_mode.

llvm-svn: 107133
 2010-06-29 13:04:35 +00:00
Sean Callanan
8ac8cf3f10 Added an AsmLexer for the ARM target, which uses 
a simple mapping of register names to IDs to
identify register tokens.

llvm-svn: 100685
 2010-04-07 20:29:34 +00:00
Sean Callanan
d04b3e0657 Added support for reporting operand token ranges 
to the ARM AsmParser.

llvm-svn: 100232
 2010-04-02 22:27:05 +00:00
Chris Lattner
9a84d96edf create a new MCParser library and move some stuff into it. 
llvm-svn: 94129
 2010-01-22 01:44:57 +00:00
Sean Callanan
4bb95fd7d6 Promoted the getTok() method to MCAsmParser so that 
the two token accessor functions are declared consistently.
Modified the clients of MCAsmParser to reflect this change.

llvm-svn: 93916
 2010-01-19 21:44:56 +00:00
Sean Callanan
7fa5ebbed0 Propagated the parser-side Lex function's declaration to 
MCAsmParser, and changed the target-specific AsmParsers
to use it.

llvm-svn: 93900
 2010-01-19 20:27:46 +00:00
Chris Lattner
336c2b0d47 Generalize mcasmstreamer data emission APIs to take an address space 
identifier.  There is no way to work around it.

llvm-svn: 93896
 2010-01-19 19:46:13 +00:00
Chris Lattner
882cb240a6 Split the TargetAsmParser "ParseInstruction" interface in half: 
the new ParseInstruction method just parses and returns a list of
target operands.  A new MatchInstruction interface is used to
turn the operand list into an MCInst.

This requires new/deleting all the operands, but it also gives 
targets the ability to use polymorphic operands if they want to. 

llvm-svn: 93469
 2010-01-14 22:21:20 +00:00
Chris Lattner
ceabb11a5e prune #includes in TargetAsmParser.h 
Pass in SMLoc of instr opcode into ParseInstruction.
Make AsmToken be a class, not a struct.

llvm-svn: 93457
 2010-01-14 21:32:45 +00:00
Chris Lattner
c0321eb1aa introduce MCParsedAsmOperand 
llvm-svn: 93455
 2010-01-14 21:21:40 +00:00
Bill Wendling
baec6e54f4 Add an "ATTRIBUTE_UNUSED" macro (and use it). It's for variables which are 
mainly used in debugging and/or assert situations. It should make the compiler
and the static analyzer stop nagging us about them.

llvm-svn: 92181
 2009-12-28 01:20:29 +00:00
John McCall
e3df19422d Every anonymous namespace is different. Caught by clang++. 
llvm-svn: 91481
 2009-12-16 00:15:28 +00:00
Kevin Enderby
633b294095 Fix ARMAsmParser::ParseMemoryOffsetReg() where the parameter OffsetRegNum should 
have been passed as a reference.

llvm-svn: 85823
 2009-11-02 20:14:39 +00:00
Kevin Enderby
c8d047130a Updates to the ARM target assembler for llvm-mc per review comments from 
Daniel Dunbar.
- Reordered the fields in the ARMOperand Mem struct to make the struct smaller.
Making bool's into 1 bit fields and put the MCExpr* fields adjacent to each
other.
- Fixed a number of places in ARMAsmParser.cpp so they have doxygen comments.
- Change the name of ARMAsmParser::ParseRegister() to MaybeParseRegister and
added the bool ParseWriteBack parameter.
- Changed ARMAsmParser::ParseMemory() to call MaybeParseRegister().
- Added ARMAsmParser::ParseMemoryOffsetReg to factor out parsing the offset of a
memory operand.  And use it for both parsing both preindexed and post indexing
addressing forms in ARMAsmParser::ParseMemory.
- Changed the first argument to ParseShift() to a reference.
- Changed ParseShift() to check for Rrx first and return to reduce nesting.

llvm-svn: 85632
 2009-10-30 22:55:57 +00:00
Daniel Dunbar
87b361d3d6 Wire up the ARM MCInst printer, for llvm-mc. 
llvm-svn: 84600
 2009-10-20 05:15:36 +00:00