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812 Commits

Author SHA1 Message Date
Rafael Espindola
2ace1b68ac Use multiple 0x66 prefixes so that all nops up to 15 bytes are a single instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120147 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-25 17:14:16 +00:00
Rafael Espindola
6b8e4357ec Factor some code to parseSectionFlags and fix the default type of a section. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120145 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-25 15:32:56 +00:00
Rafael Espindola
25958730df 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120121 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-24 21:57:39 +00:00
Rafael Espindola
1683fcc823 Relocate with the symbol if the relocation is of kind NTPOFF. 
Patch by David Meyer, I added the test.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120104 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-24 19:23:50 +00:00
Rafael Espindola
bf8209daf8 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120100 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-24 18:51:21 +00:00
Rafael Espindola
5c7106b2e3 Testcase for r120017. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120099 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-24 18:03:57 +00:00
Rafael Espindola
97551276c5 If a symbol is used as tls, mark it as tls even if not declare as so. Probably 
fixes PR8659.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120076 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-24 02:19:40 +00:00
Rafael Espindola
d93ceeb125 Produce a relocation for pcrel absolute values. Based on a patch by David Meyer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120006 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-23 07:20:12 +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
Chris Lattner
cbf5d74e6a implement PR8524, apparently mainline gas accepts movq as an alias for movd 
when transfering between i64 gprs and mmx regs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119931 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-21 08:18:57 +00:00
Rafael Espindola
12203cc7c3 Handle PCRel relocations with absolute values. Fixes PR8656. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119917 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-21 00:48:25 +00:00
Kevin Enderby
e8e98d7f2e Added support for the Mach-O .symbol_resolver directive. rdar://8673046 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119816 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-19 18:39:33 +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
Bill Wendling
50d0f58944 Add support for parsing the writeback ("!") token. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119761 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-18 23:43:05 +00:00
Owen Anderson
d2f76ce159 More tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119756 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-18 23:30:10 +00:00
Owen Anderson
71c11825bf Fix encodings for pkhbt, and fix some tests where I accidentally tested ARM mode instead of Thumb2. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119755 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-18 23:29:56 +00:00
Owen Anderson
612fb5b9a6 More Thumb2 encodings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119737 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-18 21:15:19 +00:00
Owen Anderson
821752e2e6 Fill out the set of Thumb2 multiplication operator encodings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119733 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-18 20:32:18 +00:00
Owen Anderson
35141a9ba3 Try again at providing Thumb2 encodings for basic multiplication operators. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119601 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-18 01:08:42 +00:00
Owen Anderson
424216453f Revert r119593 while I figure out my testing disagrees with the buildbot. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119597 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-18 00:42:51 +00:00
Owen Anderson
18333616cd Provide correct Thumb2 encodings for basic multiplication operators. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119593 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-18 00:19:10 +00:00
Wesley Peck
e7c682b543 Now that the MBlaze backend is in its own directory, split the test cases into multiple files for different types of instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119580 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-17 22:54:43 +00:00
Owen Anderson
2f7aed39a3 Second attempt at correct encodings for Thumb2 bitfield instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119575 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-17 22:16:31 +00:00
Owen Anderson
5aba9f694f Revert r119551, which broke buildbots. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119555 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-17 20:48:51 +00:00
Owen Anderson
23465a06f4 Provide Thumb2 encodings for bitfield instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119551 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-17 20:35:29 +00:00
Owen Anderson
46c478e802 More miscellaneous Thumb2 encodings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119546 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-17 19:57:38 +00:00
Rafael Espindola
435279b1a6 Add support for .int. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119512 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-17 16:24:40 +00:00
Rafael Espindola
110f22aae8 Add support for .2byte, .4byte and .8byte. 
Fixes PR8631.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119511 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-17 16:15:42 +00:00
Bill Wendling
0f63075613 Proper encoding for VLDM and VSTM instructions. The register lists for these 
instructions have to distinguish between lists of single- and double-precision
registers in order for the ASM matcher to do a proper job. In all other
respects, a list of single- or double-precision registers are the same as a list
of GPR registers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119460 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-17 04:32:08 +00:00
Rafael Espindola
2c92085034 A bit more of gnu as compatibility when handling relocations with aliases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119328 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-16 04:11:46 +00:00
Bill Wendling
a295eb34a5 Test encodings for LDM and STM. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119315 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-16 01:38:20 +00:00
Owen Anderson
c56dcbf641 Add Thumb2 encodings for mov and friends. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119295 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-16 00:29:56 +00:00
Rafael Espindola
7339fb5dae Change the 11 byte nop to be a single instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119286 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-15 23:10:30 +00:00
Owen Anderson
2c4c45deb6 Provide Thumb2 encodings for sxtb and friends. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119185 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-15 21:12:05 +00:00
Owen Anderson
bb6315d1e4 Add Thumb2 encodings for comparison and shift operators. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119176 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-15 19:58:36 +00:00
Owen Anderson
a99e778ed8 Add correct Thumb2 encodings for mvn and friends. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119170 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-15 18:45:17 +00:00
Rafael Espindola
94ed5fca3f Change MCExpr::EvaluateAsRelocatableImpl of variables to return the original 
variable if recursing fails to simplify it.

Factor AliasedSymbol to be a method of MCSymbol.

Update MCAssembler::EvaluateFixup to match the change in
EvaluateAsRelocatableImpl.

Remove the WeakRefExpr hack, as the object writer now sees the weakref with
no extra effort needed.

Nothing else is using MCTargetExpr, but keep it for now.

Now that the ELF writer sees relocations with aliases, handle

    .weak    foo2
foo2:
    .weak    bar2
    .set    bar2,foo2
    .quad    bar2

the same way gas does and produce a relocation with bar2.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119152 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-15 16:33:49 +00:00
Rafael Espindola
db9835d089 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119144 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-15 14:40:36 +00:00
Rafael Espindola
1f52dfe69e Move the logic to decide with which symbol we produce a relocation (if any) to 
a central location. This also makes us a bit more compatible with gas.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119094 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-14 23:53:26 +00:00
Rafael Espindola
55d02f3a13 Fix another case of a .comm directive without a corresponding .type 
directive.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119073 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-14 21:11:16 +00:00
Rafael Espindola
765fb1a446 Fix the type of a symbol created with .comm and no corresponding .type. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119060 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-14 19:40:55 +00:00
Dale Johannesen
2ae2302abc Segregate tests by target. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119050 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-14 18:14:32 +00:00
Rafael Espindola
1f4f9e3d35 Handle a peculiar comdat case: Creating a section with an undefined 
signature symbol causes a local symbol to be created unless there is
some other use of the symbol.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119026 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-14 04:17:37 +00:00
Wesley Peck
90eff7337d Fixed error and re-enabled MBlaze MC disassembler tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118987 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-13 05:48:21 +00:00
Rafael Espindola
e13a0ff8ac Parse and record the gnu_unique_object type. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118980 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-13 04:51:02 +00:00
Dale Johannesen
4f8b791d0f This test stops after disassembling 1 instructions on 
darwin and, judging from the buildbots, Linux.
Removing it for now, but this is not the right fix,
Wesley please look at it.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118977 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-13 03:55:04 +00:00
Rafael Espindola
c50a0fd7cb 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118975 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-13 03:18:27 +00:00
Wesley Peck
7247c079f7 Add test cases that should have been committed with 118969. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118974 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-13 02:51:00 +00:00
Wesley Peck
ec57d53342 1. Adding test cases for MBlaze MC disassembler. 
2. Fixing several errors in disassembler uncovered by test cases.
3. Fixing invalid encoding of PCMPEQ and PCMPNE uncovered by test cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118969 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-13 02:37:59 +00:00
Rafael Espindola
64185cc609 Fix the encoding of negative line deltas. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118962 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-13 01:06:27 +00:00