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886 Commits

Author SHA1 Message Date
Rafael Espindola
64814fff0b Correctly disassemble truncated asm. 
Patch by Richard Simth.

llvm-svn: 122962
 2011-01-06 16:48:42 +00:00
Evan Cheng
5f20fa7fed Convert MC tests to .s so codegen changes won't break them. 
llvm-svn: 122786
 2011-01-03 23:47:14 +00:00
Rafael Espindola
e223c0aa14 Fix PR8878. 
llvm-svn: 122658
 2011-01-01 19:05:35 +00:00
Nick Lewycky
5cb84ee2cf Add another non-commutable instruction that gas accepts commuted forms for. 
Fixes PR8861.

llvm-svn: 122641
 2010-12-30 22:10:49 +00:00
Daniel Dunbar
9ee74282a6 MC/Mach-O/Thumb: Set the thumb bit in the symbol table. 
llvm-svn: 122630
 2010-12-29 14:14:06 +00:00
Rafael Espindola
7b1b3f5d82 Correctly encode pcrel|indirect. 
llvm-svn: 122624
 2010-12-29 04:31:26 +00:00
Rafael Espindola
0408a378e9 Fix bug when trying to output uint16_t or uint32_t. 
llvm-svn: 122615
 2010-12-29 02:30:49 +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
257de5c4a2 Implement cfi_def_cfa_register. 
llvm-svn: 122612
 2010-12-29 00:26:06 +00:00
Rafael Espindola
061209eaf3 Initial .cfi_offset implementation. 
llvm-svn: 122611
 2010-12-29 00:09:59 +00:00
Rafael Espindola
d93ec3572d Don't produce a "DW_CFA_advance_loc 0". 
llvm-svn: 122609
 2010-12-28 23:38:03 +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
c97d642bf7 Relax address updates in the eh_frame section. 
llvm-svn: 122591
 2010-12-28 05:39:27 +00:00
Rafael Espindola
0552cb0638 Start adding basic support for emitting the call frame instructions. 
llvm-svn: 122590
 2010-12-28 04:15:37 +00:00
Rafael Espindola
12c30aed07 Add support for .cfi_lsda. 
llvm-svn: 122584
 2010-12-27 15:56:22 +00:00
Daniel Dunbar
2d0cf8e149 MC/Mach-O/Thumb: Select appropriate relocation types for Thumb. 
llvm-svn: 122583
 2010-12-27 14:49:49 +00:00
Rafael Espindola
7f947794d7 Handle reloc_riprel_4byte_movq_load. Should make the bots happy. 
llvm-svn: 122579
 2010-12-27 02:03:24 +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
2ebe553431 Add support for @note. Patch by Jörg Sonnenberger. 
llvm-svn: 122568
 2010-12-26 21:30:59 +00:00
Rafael Espindola
99f1527316 Add basic support for .cfi_personality. 
llvm-svn: 122566
 2010-12-26 20:20:31 +00:00
Chris Lattner
2129ce0891 Generalize a previous change, fixing PR8855 - an valid large immediate 
rejected by the mc assembler.

llvm-svn: 122557
 2010-12-25 21:36:35 +00:00
Daniel Dunbar
592854a10a MC/Mach-O/ARM: Start handling some Thumb branches. 
llvm-svn: 122547
 2010-12-24 16:41:46 +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
Daniel Dunbar
e6ec0e7149 MC/Mach-O/ARM: Don't try to use scattered relocs for BR24 fixups. 
llvm-svn: 122441
 2010-12-22 21:26:43 +00:00
Rafael Espindola
5004de4d8b Add reduced test from 8845. 
llvm-svn: 122438
 2010-12-22 21:15:13 +00:00
Daniel Dunbar
cb8ac619a2 MC/Mach-O/ARM: We always use the SECTDIFF reloc type on ARM, which is 
esp. important given that the LOCAL_SECTDIFF enumeration got redefined.

llvm-svn: 122412
 2010-12-22 16:52:19 +00:00
Daniel Dunbar
e44a2c1166 MC/Mach-O/ARM: Add enough relocation logic to get BR24 relocations. 
llvm-svn: 122407
 2010-12-22 16:19:24 +00:00
Rafael Espindola
7c995a90fc Simplify the handling of .size expressions. 
llvm-svn: 122404
 2010-12-22 16:03:00 +00:00
Wesley Peck
e8ec7a4d1f Teach the MBlaze disassembler to disassemble special purpose registers. 
llvm-svn: 122269
 2010-12-20 21:18:04 +00:00
Roman Divacky
42b3eee794 Set the value of absolute symbols. 
llvm-svn: 122268
 2010-12-20 21:14:39 +00:00
Roman Divacky
13b5260f62 Print all 64bits for st_value and st_size. Adjust tests accordingly. 
llvm-svn: 122263
 2010-12-20 20:49:43 +00:00
Wesley Peck
af2890a051 Teach the MBlaze asm parser how to parse special purpose register names. 
llvm-svn: 122261
 2010-12-20 20:43:24 +00:00
Roman Divacky
ed5bb14415 Add support for lexing single quotes like 'c'. 
This fixed 8615.

llvm-svn: 122150
 2010-12-18 08:56:37 +00:00
Rafael Espindola
4c1b83e53f Add a test that shows that we produce no fixups when computing the difference 
of two symbols in the same fragment.

llvm-svn: 122145
 2010-12-18 05:07:45 +00:00
Rafael Espindola
dff6c18a5e Test for push being relaxed. 
llvm-svn: 122124
 2010-12-18 01:16:59 +00:00
Daniel Dunbar
1f9fd0b79b MC/Expr: Implemnt more aggressive folding during symbol evaluation using 
IsSymbolRefDifferenceFullyResolved(). For example, we will now fold away
something like:
--
_a:
...
L0:
...
L1:
...
.long (L1 - L0) / 2
--

llvm-svn: 122043
 2010-12-17 05:50:33 +00:00
Rafael Espindola
bd13ceed72 "Fix" FDE alignment to match what gas does. 
llvm-svn: 122006
 2010-12-17 00:28:02 +00:00
Rafael Espindola
3ee4530406 Make pushq produce signed relocations. 
llvm-svn: 122005
 2010-12-16 22:50:01 +00:00
Bob Wilson
438a9a1367 Add Neon VCVT instructions for f32 <-> f16 conversions. 
Clang is now providing intrinsics for these and so we need to support them
in the backend.  Radar 8068427.

llvm-svn: 121902
 2010-12-15 22:14:12 +00:00
Bob Wilson
1082705e72 Fix misspelled target triples in MC/ARM test commands. 
llvm-svn: 121901
 2010-12-15 22:14:01 +00:00
Rafael Espindola
94d026d157 Relax alignment fragments. 
With this we don't need the EffectiveSize field anymore. Without that field
LayoutFragment only updates offsets and we don't need to invalidate the
current fragment when it is relaxed (only the ones following it).

This is also a very small improvement in the accuracy of the layout info as
we now use the after relaxation size immediately.

llvm-svn: 121857
 2010-12-15 08:45:53 +00:00
Rafael Espindola
f55f520a7a Patch by David Meyer to avoid a O(N^2) behaviour when relaxing fragments. 
Since we now don't update addresses so early, we might relax a bit more than
we need to. This is simillar to the issue in PR8467.

llvm-svn: 121856
 2010-12-15 07:39:29 +00:00
Kevin Enderby
6b3ae489f8 Add some more MC tests for ARM arithmetic instructions that update or don't 
update the condition codes.  These come from my test generator and are just
the ones that MC currently assembles correctly.

llvm-svn: 121830
 2010-12-15 01:24:36 +00:00
Daniel Dunbar
3f9b9dc852 MC/ARM: Fix-up fixup offset for fixup_arm_branch target specific fixup. 
llvm-svn: 121772
 2010-12-14 17:37:16 +00:00
Rafael Espindola
0e665e502d Fixed version of 121434 with no new memory leaks. 
llvm-svn: 121471
 2010-12-10 07:39:47 +00:00
Rafael Espindola
011e168728 Revert my previous patch to make the valgrind bots happy. 
llvm-svn: 121461
 2010-12-10 04:01:09 +00:00
Rafael Espindola
03ad1e8f1f Initial support for the cfi directives. This is just enough to get 
f:
        .cfi_startproc
        nop
        .cfi_endproc

assembled (on ELF).

llvm-svn: 121434
 2010-12-09 23:48:29 +00:00
Kevin Enderby
55cb19813e Add support for parsing ARM arithmetic instructions that update or don't update 
the condition codes.  Where the ones that do have an 's' suffix and the ones
that don't don't have the suffix.  The trick is if MatchInstructionImpl() fails
we try again after adding a CCOut operand with the correct value and removing
the 's' if present.  Four simple test cases added for now, lots more to come.

llvm-svn: 121401
 2010-12-09 19:19:43 +00:00
Kevin Enderby
988dab6b5c Allow a slash, '/', as a prefix separator for X86. rdar://8741045 
llvm-svn: 121320
 2010-12-08 23:57:59 +00:00
Rafael Espindola
866531d633 Fix absolute recording of differences of symbols in two sections. Reduced from ctor_dtor_count-2.cpp. 
llvm-svn: 121152
 2010-12-07 17:12:32 +00:00