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141 Commits

Author SHA1 Message Date
Daniel Dunbar
f291be3159 MC/X86: Rename alternate spellings of ADD{8,16,32} and mark as "code gen only" so they don't get selected by the asm matcher. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98098 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-09 22:50:46 +00:00
Daniel Dunbar
1e8ee89c21 MC/X86: Rename alternate spellings of CMP{8,16,32} and mark as "code gen only" so they don't get selected by the asm matcher. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98097 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-09 22:50:40 +00:00
Daniel Dunbar
f3a066f7c3 MC/Mach-O: For PCrel relocations, we need to compensate for the PCrel adjustment when determining if we need a scattered relocation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98082 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-09 21:27:58 +00:00
Kevin Enderby
0e822407b2 Fix the vmxon entry in the X86InstrInfo.td so it has the correct prefix bytes 
for the encoding and is not the same as vmptrld.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97992 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-08 22:17:26 +00:00
Daniel Dunbar
b2b4acd757 MC/Macho-O: Align the zerofill section itself to the maximum alignment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97991 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-08 22:03:42 +00:00
Daniel Dunbar
37fad5ce4d MC/Mach-O: Fix address compution for zero fill sections. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97984 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-08 21:10:42 +00:00
Daniel Dunbar
b93c72cda4 X86: Fix encoding for TEST{8,16,32}rr. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97982 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-08 21:10:36 +00:00
Kevin Enderby
d74acb0c78 This is a patch to the assembler frontend to detect when aligning a text 
section with TextAlignFillValue and calls EmitCodeAlignment() instead of
calling EmitValueToAlignment().  This allows x86 assembly code to be aligned
with optimal nops.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97158 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-25 18:46:04 +00:00
Chris Lattner
a08b587494 make pcrel immediate values relative to the start of the field, 
not the end of the field, fixing rdar://7651978


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96330 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-16 05:03:17 +00:00
Chris Lattner
b779033a23 add encoder support and tests for rdtscp 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96076 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-13 03:42:24 +00:00
Daniel Dunbar
e9a60eb498 MC/AsmParser: Attempt to constant fold expressions up-front. This ensures we avoid fixups for obvious cases like '-(16)'. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96064 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-13 01:28:07 +00:00
Chris Lattner
f068304b1f rip out the 'heinous' x86 MCCodeEmitter implementation. 
We still have the templated X86 JIT emitter, *and* the
almost-copy in X86InstrInfo for getting instruction sizes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96059 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-13 00:49:29 +00:00
Chris Lattner
a599de2410 remove special cases for vmlaunch, vmresume, vmxoff, and swapgs 
fix swapgs to be spelled right.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96058 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-13 00:41:14 +00:00
Daniel Dunbar
9c60f534cb MC/X86: Push immediate operands as immediates not expressions when possible. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96055 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-13 00:17:21 +00:00
Chris Lattner
ca3eeb33a8 add some disassemble testcases for weird instructions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96045 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-12 23:46:48 +00:00
Chris Lattner
4a2e5edb94 implement the rest of correct x86-64 encoder support for 
rip-relative addresses, and add a testcase.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96040 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-12 23:24:09 +00:00
Chris Lattner
c4d3f662fc fix the encodings of monitor and mwait, which were completely 
busted in both encoders.  I'm not bothering to fix it in the
old one at this point.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95947 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-12 01:06:22 +00:00
Kevin Enderby
1c5bcac7d5 Remove the few # TAILCALL comments that snuck in. As they may fail on linux. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95827 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-11 00:18:12 +00:00
Kevin Enderby
ac175e251d Update the X86 assembler matcher test case now that a few more things match 
with some of the recent changes that have gone into llvm-mc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95826 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-11 00:13:43 +00:00
Daniel Dunbar
1b6c060591 MC/X86 AsmMatcher: Fix a use after free spotted by d0k, and de-XFAIL 
x86_32-encoding.s in on expectation of it passing.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95806 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 21:19:28 +00:00
Daniel Dunbar
ac6dd79a55 XFAIL this on linux until I figure out what is happening. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95804 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 21:01:04 +00:00
Kevin Enderby
d901690b82 Replace this file containing 4 tests of x86 32-bit encodings with a file 
containing the subset of the full auto generated test case that currently
encodes correctly.  Again it is useful as we bring up the the new encoder
to make sure currently working stuff stays working.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95791 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 19:13:56 +00:00
Kevin Enderby
40fe18f66e Fix the encoding of the movntdqa X86 instruction. It was missing the 0x66 
prefix which is part of the opcode encoding.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95729 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 00:10:31 +00:00
Chris Lattner
9e8528fc5c fix X86 encoder to output [disp] only addresses with no SIB byte 
in X86-32 mode.  This is still required in x86-64 mode to avoid
forming [disp+rip] encoding.  Rewrite the SIB byte decision logic
to be actually understandable.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95693 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-09 21:47:19 +00:00
Chris Lattner
e16b0fc3cb Implement x86 asm parsing support for %st and %st(4) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95634 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-09 00:49:22 +00:00
Chris Lattner
8f60e4d679 fix incorrect encoding of SBB8mi that Kevin noticed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95448 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-05 22:56:11 +00:00
Chris Lattner
3f1118310e fix a case where we'd mis-encode fisttp because of an incorrect (and 
redundant with a correct one) pattern that was added for the disassembler.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95446 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-05 22:49:06 +00:00
Chris Lattner
c8296a0d59 remove fixme 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95444 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-05 22:46:46 +00:00
Kevin Enderby
12ce0de462 Added support for X86 instruction prefixes so llvm-mc can assemble them. The 
Lock prefix, Repeat string operation prefixes and the Segment override prefixes.
Also added versions of the move string and store string instructions without the
repeat prefixes to X86InstrInfo.td. And finally marked the rep versions of
move/store string records in X86InstrInfo.td as isCodeGenOnly = 1 so tblgen is
happy building the disassembler files.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95252 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 21:04:42 +00:00
Daniel Dunbar
e7070e9006 AsmParser/X86: Add temporary hack to allow parsing "sal". Eventually we need 
some mechanism for specifying alternative syntaxes, but I'm not sure what form
that should take yet.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95158 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-02 23:46:47 +00:00
Chris Lattner
4105155231 remove the # TAILCALL markers, which was causing the to fail. 
It's unclear if the matcher is nondeterminstic of what here,
but I'm getting matches without TAILCALL and some other hosts
are getting matches with it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95149 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-02 22:36:29 +00:00
Daniel Dunbar
197f1f0246 MCAssembler/Darwin: Add a test (on Darwin) that we assemble a bunch of 
instructions exactly like 'as', and produce equivalent .o files.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95143 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-02 22:00:15 +00:00
Daniel Dunbar
e1ec617c6a MC/Mach-O: Set SOME_INSTRUCTIONS bit for sections. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95135 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-02 21:44:01 +00:00
Chris Lattner
1de46a4ab5 this apparently depends on the host somehow. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95122 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-02 20:57:28 +00:00
Chris Lattner
d56f80358b disable this test for now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95120 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-02 20:41:39 +00:00
Kevin Enderby
82a5946939 Added another version of the X86 assembler matcher test case. 
This test case is different subset of the full auto generated test case, and a
larger subset that is in x86_32-bit.s (that set will encode correctly).  These
instructions can pass though llvm-mc as it were a logical cat(1) and then
reassemble to the same instruction.  It is useful as we bring up the parser and
matcher so we don't break things that currently work.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95107 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-02 19:05:57 +00:00
Daniel Dunbar
b834f5d13d MC/X86 AsmParser: Handle absolute memory operands correctly. We were doing 
something totally broken and parsing them as immediates, but the .td file also
had the wrong match class so things sortof worked. Except, that is, that we
would parse
  movl $0, %eax
as
  movl 0, %eax
Feel free to guess how well that worked.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94869 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-30 01:02:48 +00:00
Daniel Dunbar
50459580e7 MC/X86: Add a nice X86 assembler matcher test case from Kevin Enderby. 
- This test case is auto generated, and has been verified to round-trip
   correctly through llvm-mc by checking the assembled .o file before and after
   piping through llvm-mc. It will be extended over time as the matcher grows
   support for more instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94857 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-29 23:32:40 +00:00
Chris Lattner
d32e803073 wirte up .file and .file to the mc asmparser. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94438 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-25 19:02:58 +00:00
Chris Lattner
75f265fbbb fix a parsing problem on instructions like: 
movw	$8, (_cost_table_-L97$pb)+66(%eax)

After the parens, we could still have a binop.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94345 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-24 01:07:33 +00:00
Chris Lattner
12e555c36c teach MCAsmStreamer::EmitBytes to use .ascii and .asciz 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94259 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-23 00:15:00 +00:00
Daniel Dunbar
8a3ee718cd Mark EH_RETURN64 as CodeGenOnly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94205 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-22 20:16:37 +00:00
Chris Lattner
6113b3d323 add an MCAsmStreamer::EmitFill specialization of EmitFill that 
emits one directive instead of N.  Not doing this would be a
significant regression on the # bytes generated by .fill.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93889 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-19 18:52:28 +00:00
Chris Lattner
f4d9a555ba only darwin has zerofill 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93866 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-19 06:21:23 +00:00
Chris Lattner
516088d4ae specify a triple to use, fixing the test on non-x86-64 hosts. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91900 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 07:01:12 +00:00
Chris Lattner
665e947740 various cleanups, make the disassemble reject lines with too much 
data on them, for example:

	addb	%al, (%rax)
simple-tests.txt:11:5: error: excess data detected in input
0 0 0 0 0 
    ^



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91896 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 06:56:51 +00:00
Chris Lattner
2adbef06a6 rewrite the file parser for the disassembler, implementing support for 
comments.  Also, check in a simple testcase for the disassembler,
including a test for r91864


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91894 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 06:37:58 +00:00
Daniel Dunbar
db196e82a4 Force triple in tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84257 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-16 16:30:02 +00:00
Daniel Dunbar
75773ff00d MC: Tweak variable assignment diagnostics, and make reassignment of non-absolute 
variables and symbols invalid.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84232 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-16 01:57:39 +00:00
Daniel Dunbar
fffff915d5 MC: When parsing a variable reference, substitute absolute variables immediately 
since they are allowed to be redefined.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84230 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-16 01:34:54 +00:00