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842 Commits

Author SHA1 Message Date
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
Rafael Espindola
da64b6aa50 Fix relocations with weak definitions. 
llvm-svn: 121114
 2010-12-07 05:57:28 +00:00
Rafael Espindola
9ede5ef045 Fix pcrel relocations that cross sections. 
llvm-svn: 121107
 2010-12-07 03:50:14 +00:00
Rafael Espindola
c98cc0b286 Fix a crash reduced from gcc produced assembly. 
llvm-svn: 121085
 2010-12-07 01:09:54 +00:00
Owen Anderson
81f8b084e6 Second attempt at converting Thumb2's LDRpci, including updating the gazillion places that need to know about it. 
llvm-svn: 121082
 2010-12-07 00:45:21 +00:00
Rafael Espindola
3e954d16f4 Second try at making direct object emission produce the same results 
as llc + llvm-mc. This time ELF is not changed and I tested that llvm-gcc
bootstrap on darwin10 using darwin9's assembler and linker.

llvm-svn: 121006
 2010-12-06 17:27:56 +00:00
Rafael Espindola
f56c11276e Don't use PadSectionToAlignment on windows. 
llvm-svn: 120978
 2010-12-06 03:03:44 +00:00
Rafael Espindola
9215947c83 There are two reasons why we might want to use 
foo = a - b
.long foo
instead of just
.long a - b

First, on darwin9 64 bits the assembler produces the wrong result. Second,
if "a" is the end of the section all darwin assemblers (9, 10 and mc) will not
consider a - b to be a constant but will if the dummy foo is created.

Split how we handle these cases. The first one is something MC should take care
of. The second one has to be handled by the caller.

llvm-svn: 120889
 2010-12-04 03:21:47 +00:00
Rafael Espindola
50b6170457 Next step: Only pad debug_line when the target is darwin. Add a FIXME to avoid 
doing that if the target is darwin10 or newer.

This fixes
*) Direct object emission was producing objects without the workaround on
   darwin9.
*) Assembly printing was producing objects with the workaround on linux.

llvm-svn: 120866
 2010-12-04 00:31:13 +00:00
Jim Grosbach
8cef570ed9 Encode the 32-bit wide Thumb (and Thumb2) instructions with the high order 
halfword being emitted to the stream first. rdar://8728174

llvm-svn: 120848
 2010-12-03 22:31:40 +00:00
Jim Grosbach
c69ad2176a When using the 'push' mnemonic for Thumb2 stmdb, be explicit when it's the 
32-bit wide version by adding the .w suffix.

llvm-svn: 120838
 2010-12-03 20:33:01 +00:00
Rafael Espindola
16b64c646a Rename temporary symbols if they conflict with artificial symbols created 
by the assembler. This was blocking parsing any large .s produced by clang for
example.

Fixes PR8596.

llvm-svn: 120603
 2010-12-01 20:46:11 +00:00
Owen Anderson
8802c68592 Add correct encodings for STRD and LDRD, including fixup support. Additionally, update these to unified syntax. 
llvm-svn: 120589
 2010-12-01 19:18:46 +00:00
Owen Anderson
e2a8781847 Add tests for more forms of Thumb2 loads and stores. 
llvm-svn: 120436
 2010-11-30 18:15:21 +00:00
Bill Wendling
ae920bcc50 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
Owen Anderson
b6e1c56c79 Correct Thumb2 encodings for a much wider range of loads and stores. 
llvm-svn: 120364
 2010-11-30 00:14:31 +00:00
Owen Anderson
14abbb1a2e Provide Thumb2 encodings for basic loads and stores. 
llvm-svn: 120340
 2010-11-29 22:44:32 +00:00
Benjamin Kramer
84bf47f2d8 Fix some broken CHECK lines. 
llvm-svn: 120332
 2010-11-29 22:34:55 +00:00
Bill Wendling
c0055893db Add more Thumb encodings. 
llvm-svn: 120279
 2010-11-29 01:07:48 +00:00
Bill Wendling
b54752da15 More Thumb encodings. 
llvm-svn: 120278
 2010-11-29 01:00:43 +00:00
Bill Wendling
8f0b624061 Add Thumb encodings for REV instructions. 
llvm-svn: 120277
 2010-11-29 00:42:50 +00:00
Bill Wendling
d233cab1eb Add more Thumb encodings. 
llvm-svn: 120272
 2010-11-29 00:18:15 +00:00
Chris Lattner
a11c5c5c32 fix PR8686, accepting a 'b' suffix at the end of all the setcc 
instructions.  I choose to handle this with an asmparser hack,
though it could be handled by changing all the instruction definitions
to allow be "setneb" instead of "setne".  The asm parser hack is
better in this case, because we want the disassembler to produce
setne, not setneb.

llvm-svn: 120260
 2010-11-28 20:23:50 +00:00
Rafael Espindola
6f5680f4a0 Implement the data16 prefix. 
llvm-svn: 120224
 2010-11-27 20:29:45 +00:00
Daniel Dunbar
6153e5cd7b macho-dump: Fix typo. 
llvm-svn: 120185
 2010-11-27 04:00:06 +00:00
Rafael Espindola
e3dc1c951c Use multiple 0x66 prefixes so that all nops up to 15 bytes are a single instruction. 
llvm-svn: 120147
 2010-11-25 17:14:16 +00:00
Rafael Espindola
a8488b04e1 Factor some code to parseSectionFlags and fix the default type of a section. 
llvm-svn: 120145
 2010-11-25 15:32:56 +00:00
Rafael Espindola
1a81f03f87 Behave a bit more like gnu as and use the symbol (instead of the section) 
for any relocation to a symbol defined in a tls section.

llvm-svn: 120121
 2010-11-24 21:57:39 +00:00
Rafael Espindola
97690e2d7d Relocate with the symbol if the relocation is of kind NTPOFF. 
Patch by David Meyer, I added the test.

llvm-svn: 120104
 2010-11-24 19:23:50 +00:00
Rafael Espindola
81ecba9559 Fix and add tests for all cases in x86 and x86_64 where gnu as implicitly 
sets the type of a symbol to STT_TLS.

llvm-svn: 120100
 2010-11-24 18:51:21 +00:00
Rafael Espindola
38daba991e Testcase for r120017. 
llvm-svn: 120099
 2010-11-24 18:03:57 +00:00
Rafael Espindola
dc299d2615 If a symbol is used as tls, mark it as tls even if not declare as so. Probably 
fixes PR8659.

llvm-svn: 120076
 2010-11-24 02:19:40 +00:00
Rafael Espindola
6f069fc35f Produce a relocation for pcrel absolute values. Based on a patch by David Meyer. 
llvm-svn: 120006
 2010-11-23 07:20:12 +00:00
Bill Wendling
a472e7be70 Add encoding for ARM "trap" instruction. 
llvm-svn: 119938
 2010-11-21 11:05:29 +00:00
Chris Lattner
4aaa7fbb98 implement PR8524, apparently mainline gas accepts movq as an alias for movd 
when transfering between i64 gprs and mmx regs.

llvm-svn: 119931
 2010-11-21 08:18:57 +00:00
Rafael Espindola
ee6aea622f Handle PCRel relocations with absolute values. Fixes PR8656. 
llvm-svn: 119917
 2010-11-21 00:48:25 +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
Bill Wendling
50a1812023 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
Bill Wendling
ef43273c51 Add support for parsing the writeback ("!") token. 
llvm-svn: 119761
 2010-11-18 23:43:05 +00:00
Owen Anderson
c0d5d13769 More tests. 
llvm-svn: 119756
 2010-11-18 23:30:10 +00:00
Owen Anderson
ca14474db4 Fix encodings for pkhbt, and fix some tests where I accidentally tested ARM mode instead of Thumb2. 
llvm-svn: 119755
 2010-11-18 23:29:56 +00:00
Owen Anderson
25dc3a4fe6 More Thumb2 encodings. 
llvm-svn: 119737
 2010-11-18 21:15:19 +00:00
Owen Anderson
eec8c82d32 Fill out the set of Thumb2 multiplication operator encodings. 
llvm-svn: 119733
 2010-11-18 20:32:18 +00:00
Owen Anderson
b7970b2c6a Try again at providing Thumb2 encodings for basic multiplication operators. 
llvm-svn: 119601
 2010-11-18 01:08:42 +00:00
Owen Anderson
e8906ba112 Revert r119593 while I figure out my testing disagrees with the buildbot. 
llvm-svn: 119597
 2010-11-18 00:42:51 +00:00