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f803121396
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124 Commits

Author SHA1 Message Date
Daniel Dunbar
f803121396 MC/X86: Rename alternate spellings of {ADD64,CMP64} and mark as "code gen only" so they don't get selected by the asm matcher. 
llvm-svn: 98972
 2010-03-19 18:07:48 +00:00
Daniel Dunbar
3ef39d497f X86: Fix encoding for TEST64rr. 
llvm-svn: 98919
 2010-03-19 01:15:03 +00:00
Daniel Dunbar
1a50b05aff X86MCCodeEmitter: Fix two minor issues with reloc_riprel_4byte_movq_load, we 
were missing it on some movq instructions and were not including the appropriate
PCrel bias.

llvm-svn: 98880
 2010-03-18 21:53:54 +00:00
Daniel Dunbar
ab14df376a MC/X86/AsmMatcher: Use the new instruction cleanup routine to implement a 
temporary workaround for matching inc/dec on x86_64 to the correct instruction.
 - This hack will eventually be replaced with a robust mechanism for handling
   matching instructions based on the available target features.

llvm-svn: 98858
 2010-03-18 20:06:02 +00:00
Chris Lattner
bf3e096258 fix an x86-64 encoding bug Daniel found. 
llvm-svn: 98855
 2010-03-18 20:04:36 +00:00
Chris Lattner
45ab55ccec add a special relocation type for movq loads for object 
files that produce special relocation types where the 
linker changes movq's into lea's.

llvm-svn: 98839
 2010-03-18 18:10:56 +00:00
Chris Lattner
3e251f1db0 xfail these tests temporarily to get teh buildbots back to happy land. 
llvm-svn: 98476
 2010-03-14 07:32:48 +00:00
Daniel Dunbar
a6526284f4 X86: Fix ADD64i32 encoding. 
llvm-svn: 98457
 2010-03-13 22:49:39 +00:00
Daniel Dunbar
6d5fa0c9d6 MC/X86_64: Fix matching of leaq. 
llvm-svn: 98444
 2010-03-13 19:31:44 +00:00
Daniel Dunbar
de2f4ae158 MC/X86_64: Fix matching of callq. 
llvm-svn: 98443
 2010-03-13 19:31:38 +00:00
Daniel Dunbar
9ffe22ec23 MC/X86: Add temporary hack to match shrl $1,%eax correctly, to support testing 
other functionality on 403.gcc compiled at -O0.

llvm-svn: 98405
 2010-03-13 00:47:29 +00:00
Daniel Dunbar
3eab04b641 MC/X86: Add an XFAIL test where we aren't matching the correct instruction 
because we don't understand how the specific instruction is doing sign
extension.

llvm-svn: 98404
 2010-03-13 00:47:25 +00:00
Daniel Dunbar
0bc3059b94 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. 
llvm-svn: 98098
 2010-03-09 22:50:46 +00:00
Daniel Dunbar
d92e9bc7c1 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. 
llvm-svn: 98097
 2010-03-09 22:50:40 +00:00
Daniel Dunbar
66c79cf44d X86: Fix encoding for TEST{8,16,32}rr. 
llvm-svn: 97982
 2010-03-08 21:10:36 +00:00
Chris Lattner
b29b154904 make pcrel immediate values relative to the start of the field, 
not the end of the field, fixing rdar://7651978

llvm-svn: 96330
 2010-02-16 05:03:17 +00:00
Chris Lattner
8530ba626c add encoder support and tests for rdtscp 
llvm-svn: 96076
 2010-02-13 03:42:24 +00:00
Daniel Dunbar
09733841aa MC/AsmParser: Attempt to constant fold expressions up-front. This ensures we avoid fixups for obvious cases like '-(16)'. 
llvm-svn: 96064
 2010-02-13 01:28:07 +00:00
Chris Lattner
d4fe983f23 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.

llvm-svn: 96059
 2010-02-13 00:49:29 +00:00
Chris Lattner
5b01ab848c remove special cases for vmlaunch, vmresume, vmxoff, and swapgs 
fix swapgs to be spelled right.

llvm-svn: 96058
 2010-02-13 00:41:14 +00:00
Daniel Dunbar
4ef0be5df5 MC/X86: Push immediate operands as immediates not expressions when possible. 
llvm-svn: 96055
 2010-02-13 00:17:21 +00:00
Chris Lattner
4170bb81da implement the rest of correct x86-64 encoder support for 
rip-relative addresses, and add a testcase.

llvm-svn: 96040
 2010-02-12 23:24:09 +00:00
Chris Lattner
9307e00dc0 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.

llvm-svn: 95947
 2010-02-12 01:06:22 +00:00
Kevin Enderby
b1094f1489 Remove the few # TAILCALL comments that snuck in. As they may fail on linux. 
llvm-svn: 95827
 2010-02-11 00:18:12 +00:00
Kevin Enderby
3763f70025 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.

llvm-svn: 95826
 2010-02-11 00:13:43 +00:00
Daniel Dunbar
b20be19ae6 MC/X86 AsmMatcher: Fix a use after free spotted by d0k, and de-XFAIL 
x86_32-encoding.s in on expectation of it passing.

llvm-svn: 95806
 2010-02-10 21:19:28 +00:00
Daniel Dunbar
7f6e51fc2a XFAIL this on linux until I figure out what is happening. 
llvm-svn: 95804
 2010-02-10 21:01:04 +00:00
Kevin Enderby
9be8c4c590 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.

llvm-svn: 95791
 2010-02-10 19:13:56 +00:00
Kevin Enderby
f31bc700f1 Fix the encoding of the movntdqa X86 instruction. It was missing the 0x66 
prefix which is part of the opcode encoding.

llvm-svn: 95729
 2010-02-10 00:10:31 +00:00
Chris Lattner
2457a30898 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.

llvm-svn: 95693
 2010-02-09 21:47:19 +00:00
Chris Lattner
682f64dc8d Implement x86 asm parsing support for %st and %st(4) 
llvm-svn: 95634
 2010-02-09 00:49:22 +00:00
Chris Lattner
e1b8c529a4 fix incorrect encoding of SBB8mi that Kevin noticed. 
llvm-svn: 95448
 2010-02-05 22:56:11 +00:00
Chris Lattner
9d4e878b6a 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.

llvm-svn: 95446
 2010-02-05 22:49:06 +00:00
Chris Lattner
bec530a499 remove fixme 
llvm-svn: 95444
 2010-02-05 22:46:46 +00:00
Kevin Enderby
57859abd72 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.

llvm-svn: 95252
 2010-02-03 21:04:42 +00:00
Daniel Dunbar
c6f8382263 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.

llvm-svn: 95158
 2010-02-02 23:46:47 +00:00
Chris Lattner
c49053be3f 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.

llvm-svn: 95149
 2010-02-02 22:36:29 +00:00
Chris Lattner
7c37b4942d this apparently depends on the host somehow. 
llvm-svn: 95122
 2010-02-02 20:57:28 +00:00
Chris Lattner
136eeef6b6 disable this test for now. 
llvm-svn: 95120
 2010-02-02 20:41:39 +00:00
Kevin Enderby
a10566900d 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.

llvm-svn: 95107
 2010-02-02 19:05:57 +00:00
Daniel Dunbar
23e8bc782c 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.

llvm-svn: 94869
 2010-01-30 01:02:48 +00:00
Daniel Dunbar
b0a870919b 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.

llvm-svn: 94857
 2010-01-29 23:32:40 +00:00
Chris Lattner
5f919913e8 wirte up .file and .file to the mc asmparser. 
llvm-svn: 94438
 2010-01-25 19:02:58 +00:00
Chris Lattner
5d31547fec fix a parsing problem on instructions like: 
movw	$8, (_cost_table_-L97$pb)+66(%eax)

After the parens, we could still have a binop.

llvm-svn: 94345
 2010-01-24 01:07:33 +00:00
Chris Lattner
e46549ed67 teach MCAsmStreamer::EmitBytes to use .ascii and .asciz 
llvm-svn: 94259
 2010-01-23 00:15:00 +00:00
Daniel Dunbar
5d1a686840 Mark EH_RETURN64 as CodeGenOnly. 
llvm-svn: 94205
 2010-01-22 20:16:37 +00:00
Chris Lattner
7c3ff46d45 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.

llvm-svn: 93889
 2010-01-19 18:52:28 +00:00
Chris Lattner
79166b498e only darwin has zerofill 
llvm-svn: 93866
 2010-01-19 06:21:23 +00:00
Daniel Dunbar
9483297711 Force triple in tests. 
llvm-svn: 84257
 2009-10-16 16:30:02 +00:00
Daniel Dunbar
af3162e523 MC: Tweak variable assignment diagnostics, and make reassignment of non-absolute 
variables and symbols invalid.

llvm-svn: 84232
 2009-10-16 01:57:39 +00:00