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150 Commits

Author SHA1 Message Date
Devang Patel
7220c1a021 Reduce clutter in asm output. Do not emit source location as comment for each instruction. 
llvm-svn: 129715
 2011-04-18 20:26:49 +00:00
Rafael Espindola
63f8a9ad72 Be consistent about being virtual and returning void in the cfi methods. 
Implement the ones that were missing in the asm streamer.

llvm-svn: 129413
 2011-04-12 23:59:07 +00:00
Rafael Espindola
9f6146c464 Remove LastOffset from the asm parser. 
llvm-svn: 129378
 2011-04-12 18:53:30 +00:00
Rafael Espindola
5c5bb3e9a6 Fix the case of a .cfi_rel_offset before any .cfi_def_cfa_offset. 
llvm-svn: 129362
 2011-04-12 16:12:03 +00:00
Rafael Espindola
7c4de15c7b Implement .cfi_same_value. 
llvm-svn: 129361
 2011-04-12 15:31:05 +00:00
Eric Christopher
b653bac7ce To avoid printing out multiple error messages for cases like: 
.long 80+08

go ahead and assume that if we've got an Error token that we handled it
already. Otherwise if it's a token we can't handle then go ahead and
return the default error.

llvm-svn: 129322
 2011-04-12 00:03:13 +00:00
Rafael Espindola
a1fb8a36f9 Implement cfi_rel_offset 
llvm-svn: 129306
 2011-04-11 21:49:50 +00:00
Rafael Espindola
986ec356fc implement .cfi_adjust_cfa_offset. 
llvm-svn: 129296
 2011-04-11 20:29:16 +00:00
Rafael Espindola
a27969f537 Add support for .skip. 
Patch by Roman Divacky.
Fixes PR9361.

llvm-svn: 129106
 2011-04-07 20:26:23 +00:00
Kevin Enderby
1ece39d99c Added support symbolic floating point constants in the MC assembler for Infinity 
and Nans with the same strings as GAS supports.  rdar://8673024

llvm-svn: 128488
 2011-03-29 21:11:52 +00:00
Daniel Dunbar
1cbd2c6c88 MC: Improve some diagnostics on uses of '.' pseudo-symbol. 
llvm-svn: 128289
 2011-03-25 17:47:17 +00:00
Daniel Dunbar
70235789e1 Tidyness. 
llvm-svn: 128288
 2011-03-25 17:47:14 +00:00
Joerg Sonnenberger
9c30c492df Restore r125595 (reverted in r126336) with modifications: 
Introduce a variable in the AsmParserExtension whether [] is valid in an
expression. If it is true, parse them like (). Enable this for ELF only.

llvm-svn: 126443
 2011-02-24 21:59:22 +00:00
Jim Grosbach
e7be1f2990 Revert r125595, which is an X86-only undocumented assembly syntax extension 
enabled for all targets. Non-X86 targets should not have this behavior
enabled by default.

Joerg, if you would like to resubmit with the behavior conditionalized to be
X86-ELF only, that's fine.

llvm-svn: 126336
 2011-02-23 21:26:51 +00:00
Roman Divacky
3277e18a42 Add support for parsing [expr]. 
This is submitted by Joerg Sonnenberger and fixes his PR8685.

llvm-svn: 125595
 2011-02-15 20:43:39 +00:00
Jim Grosbach
79e4b6b045 More whitespace cleanup... 
llvm-svn: 125388
 2011-02-11 19:05:56 +00:00
Benjamin Kramer
8ff71a1384 Support for .ifdef / .ifndef in the assembler parser. Patch by Joerg Sonnenberger. 
llvm-svn: 125120
 2011-02-08 22:29:56 +00:00
Bob Wilson
f6a7104e41 Do not sign extend floating-point values in the asm parser. 
llvm-svn: 124831
 2011-02-03 23:17:47 +00:00
Roman Divacky
254f2ab16a Enumerate .code16/32/64 instead of checking .code prefix. This 
unbreaks some ARM tests.

llvm-svn: 124608
 2011-01-31 21:19:43 +00:00
Roman Divacky
9a8a680ed2 Error on all .code* directives instead of just .code16 as they 
all lead to a silent miscompilation of code.

llvm-svn: 124603
 2011-01-31 20:56:49 +00:00
Roman Divacky
82612f08c2 Error on .code16 instead of producing wrong (32bit) code. 
llvm-svn: 124498
 2011-01-28 19:29:48 +00:00
Roman Divacky
c6a20d1728 Add support for parsing .float 
llvm-svn: 124485
 2011-01-28 14:20:32 +00:00
Nico Weber
66fd0e8119 PR8951: Support for .equiv in integrated assembler, patch by Jörg Sonnenberger! 
llvm-svn: 124467
 2011-01-28 03:04:41 +00:00
Roman Divacky
f817c82cf3 Add support for specifying register name in cfi-register/offset/def 
as well as register number.

llvm-svn: 124379
 2011-01-27 17:16:37 +00:00
Bill Wendling
195d8c3988 Add support for parsing a Real value. It stores the Real value as its binary 
encoding. It's up to the individual back-ends to convert it to their preferred
representation when printing.

llvm-svn: 124229
 2011-01-25 21:26:41 +00:00
Jim Grosbach
868d2877dc Make sure to propogate the error code when we fail to parse a modifier. 
llvm-svn: 123857
 2011-01-19 23:06:07 +00:00
Rafael Espindola
7b1b3f5d82 Correctly encode pcrel|indirect. 
llvm-svn: 122624
 2010-12-29 04:31:26 +00:00
Rafael Espindola
d51ed1fc6a Implement cfi_def_cfa. Also don't convert to dwarf reg numbers twice. Looks 
like 6 is a fixed point of that and so the previous tests were OK :-)

llvm-svn: 122614
 2010-12-29 01:42:56 +00:00
Rafael Espindola
3fdd045643 Implement .cfi_remember_state and .cfi_restore_state. 
llvm-svn: 122602
 2010-12-28 18:36:23 +00:00
Rafael Espindola
12c30aed07 Add support for .cfi_lsda. 
llvm-svn: 122584
 2010-12-27 15:56:22 +00:00
Rafael Espindola
e7e67fce10 Add support for the same encodings of the personality function that gnu as 
supports.

llvm-svn: 122577
 2010-12-27 00:36:05 +00:00
Rafael Espindola
99f1527316 Add basic support for .cfi_personality. 
llvm-svn: 122566
 2010-12-26 20:20:31 +00:00
Kevin Enderby
ff7e68c5e7 In llvm-mc parse a Hash token as a full line comment. Allows handling of 
preprocessed .s files and matches darwin gas.  rdar://8798690
Also fix a comment on the next line of AsmParser.cpp after this new code.

llvm-svn: 122531
 2010-12-24 00:12:02 +00:00
Nick Lewycky
c85935836b Add missing standard headers. Patch by Joerg Sonnenberger! 
llvm-svn: 122193
 2010-12-19 20:43:38 +00:00
Rafael Espindola
e20c3d7c26 Add basic CFI methods to the streamer interface. 
llvm-svn: 119972
 2010-11-22 14:27:24 +00:00
Kevin Enderby
214e641d8d Added support for the Mach-O .symbol_resolver directive. rdar://8673046 
llvm-svn: 119816
 2010-11-19 18:39:33 +00:00
Rafael Espindola
b6fcca35a2 Add support for .int. 
llvm-svn: 119512
 2010-11-17 16:24:40 +00:00
Rafael Espindola
9186952072 Add support for .2byte, .4byte and .8byte. 
Fixes PR8631.

llvm-svn: 119511
 2010-11-17 16:15:42 +00:00
Rafael Espindola
283e6bd938 Add .loc methods to the streamer. 
Next: Add support for the !HasDotLocAndDotFile case to the MCAsmStreamer
and then switch codegen to use it.

llvm-svn: 119384
 2010-11-16 21:20:32 +00:00
Rafael Espindola
dc0be5a0cc Parse and ignore some .cfi_* directives. 
llvm-svn: 119362
 2010-11-16 18:34:07 +00:00
Rafael Espindola
f6c0121c93 Fix PR8565. 
This moves most of the isUsed logic to the MCSymbol itself. With this we
get a bit more relaxed about allowing definitions after uses: uses that
don't evaluate their argument immediately (jmp foo) are accepted.

ddunbar, this was the smallest compromise I could think of that lets us
accept gcc (and clang!) assembly.

llvm-svn: 119144
 2010-11-15 14:40:36 +00:00
Rafael Espindola
00c5605efc Parse and remember discriminators in .loc line. I try to output them with 
another patch.
This lets us parse a bit more of the gcc 4.5 output.

llvm-svn: 118975
 2010-11-13 03:18:27 +00:00
Rafael Espindola
1725702868 Mark labels declared in tls sections as STT_TLS. This matches the behavior of 
gas.

llvm-svn: 118818
 2010-11-11 19:04:55 +00:00
Daniel Dunbar
a8fb354cdf Fix typo. 
llvm-svn: 118421
 2010-11-08 17:53:02 +00:00
Rafael Espindola
1db6a21aff Add support for expressions in .sleb/.uleb directives. 
llvm-svn: 118023
 2010-11-02 17:22:24 +00:00
Rafael Espindola
a7f92c500c Add support for .value. 
llvm-svn: 117922
 2010-11-01 15:29:07 +00:00
Rafael Espindola
b562975139 Add support for the .string directive. 
llvm-svn: 117592
 2010-10-28 20:02:27 +00:00
Roman Divacky
2aedee6ff2 Use the IDVal directly as there's no need to convert to std::string. 
Pointed out by Chris!

llvm-svn: 117557
 2010-10-28 16:57:58 +00:00
Roman Divacky
8555f153e9 Implement .equ directive as a synonym to .set. 
llvm-svn: 117553
 2010-10-28 16:22:58 +00:00
Daniel Dunbar
5cbb066ea3 MC/AsmParser: Fix relative precedence of {+,-} and comparison ops. 
llvm-svn: 117299
 2010-10-25 20:18:56 +00:00