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52 Commits

Author SHA1 Message Date
Joerg Sonnenberger
9cc1fad5ad Fix typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166945 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-29 17:56:15 +00:00
Craig Topper
76b29b518d Add a new compression type to ModRM table that detects when the memory modRM byte represent 8 instructions and the reg modRM byte represents up to 64 instructions. Reduces modRM table from 43k entreis to 25k entries. Based on a patch from Manman Ren. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163774 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-13 05:45:42 +00:00
Roman Divacky
b438615abd Use const properly so that we dont remove const qualifier from region and MII 
by casting. Found with gcc48.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163247 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-05 21:17:34 +00:00
Richard Smith
1144af3c9b Fix integer undefined behavior due to signed left shift overflow in LLVM. 
Reviewed offline by chandlerc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162623 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-08-24 23:29:28 +00:00
Craig Topper
5a2c607153 Add more indirection to the disassembler tables to reduce amount of space used to store the operand types and encodings. Store only the unique combinations in a separate table and store indices in the instruction table. Saves about 32K of static data. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161101 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-08-01 07:39:18 +00:00
Craig Topper
769bbfd951 Add support for AVX enhanced comparison predicates. Patch from Kay Tiong Khoo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153935 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-03 05:20:24 +00:00
Benjamin Kramer
63155f967c C files in llvm still have to be C89 compliant, remove C++-style comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152495 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-03-10 15:10:06 +00:00
Kevin Enderby
faf72ffda3 Fix the x86 disassembler to at least print the lock prefix if it is the first 
prefix.  Added a FIXME to remind us this still does not work when it is not the
first prefix.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152414 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-03-09 17:52:49 +00:00
Craig Topper
930a1ebd92 X86 disassembler support for jcxz, jecxz, and jrcxz. Fixes PR11643. Patch by Kay Tiong Khoo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151510 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-27 01:54:29 +00:00
Kevin Enderby
b80d571ea8 Updated the llvm-mc disassembler C API to support for the X86 target. 
rdar://10873652

As part of this I updated the llvm-mc disassembler C API to always call the
SymbolLookUp call back even if there is no getOpInfo call back.  If there is a
getOpInfo call back that is tried first and then if that gets no information
then the  SymbolLookUp is called.  I also made the code more robust by
memset(3)'ing to zero the LLVMOpInfo1 struct before then setting
SymbolicOp.Value before for the call to getOpInfo.  And also don't use any
values from the  LLVMOpInfo1 struct if getOpInfo returns 0.  And also don't
use any of the ReferenceType or ReferenceName values from SymbolLookUp if it
returns NULL. rdar://10873563 and rdar://10873683

For the X86 target also fixed bugs so the annotations get printed. 

Also fixed a few places in the ARM target that was not producing symbolic
operands for some instructions.  rdar://10878166


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151267 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-23 18:18:17 +00:00
Ahmed Charles
b0934ab7d8 Remove dead code. Improve llvm_unreachable text. Simplify some control flow. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150918 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-19 11:37:01 +00:00
Jia Liu
31d157ae1a Emacs-tag and some comment fix for all ARM, CellSPU, Hexagon, MBlaze, MSP430, PPC, PTX, Sparc, X86, XCore. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150878 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-18 12:03:15 +00:00
Benjamin Kramer
6b30274e27 Don't mix declarations and code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150305 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-11 16:01:02 +00:00
Benjamin Kramer
953362cdfb Reuse the enum names from X86Desc in the X86Disassembler. 
This requires some gymnastics to make it available for C code. Remove the names
from the disassembler tables, making them relocation free.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150303 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-11 14:50:54 +00:00
Craig Topper
f41ab77847 More tweaks to get the size of the X86 disassembler tables down. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150167 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-09 08:58:07 +00:00
Craig Topper
ce8f4c58d8 Flatten some of the arrays in the X86 disassembler tables to reduce space needed to store pointers on 64-bit hosts and reduce relocations needed at startup. Part of PR11953. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150161 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-09 07:45:30 +00:00
Duncan Sands
5b8a1db7ea Persuade GCC that there is nothing worth warning about here (there isn't). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149834 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-05 14:20:11 +00:00
David Blaikie
2bd335470f Remove unnecessary default cases in switches that cover all enum values. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147855 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-10 16:47:17 +00:00
Benjamin Kramer
a5f8942e05 Silence warnings of a mysterious compiler that still defaults to C89. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147553 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-04 22:06:45 +00:00
Benjamin Kramer
8943574b44 X86Disassembler: Fix undefined behavior found by GCC 4.6 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147404 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-01 17:55:36 +00:00
Craig Topper
06f554d06a Add disassembler support for VPERMIL2PD and VPERMIL2PS. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147368 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-30 06:23:39 +00:00
Craig Topper
c8eb880a7f More AVX2 instructions and their intrinsics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143895 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-06 23:04:08 +00:00
Craig Topper
29480fd798 Fix disassembling of popcntw. Also remove some code that says it accounts for 64BIT_REXW_XD not existing, but it does exist. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141642 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-11 04:34:23 +00:00
Craig Topper
41e59c7c34 Change C++ style comments to C style comments in X86 disassembler. Patch from Joe Abbey. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141162 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-05 03:29:32 +00:00
Craig Topper
6744a17dcf Add support in the disassembler for ignoring the L-bit on certain VEX instructions. Mark instructions that have this behavior. Fixes PR10676. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141065 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-04 06:30:42 +00:00
Craig Topper
04c5be9f12 Treat VEX.vvvv as a 3-bit field outside of 64-bit mode. Prevents access to registers xmm8-xmm15 outside 64-bit mode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140997 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-03 08:14:29 +00:00
Craig Topper
7b22976de3 Fix VEX disassembling to ignore REX.RXBW bits in 32-bit mode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140993 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-03 07:51:09 +00:00
Craig Topper
146c6d77f0 Special case disassembler handling of REX.B prefix on NOP instruction to decode as XCHG R8D, EAX instead. Fixes PR10344. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140971 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-02 16:56:09 +00:00
Craig Topper
100d86ada5 Fix VEX decoding in i386 mode. Fixes PR11008. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140515 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-26 05:12:43 +00:00
Craig Topper
4bbeb18f76 Only disassembler instructions with vvvv != 1111 if the instruction actually uses the vvvv field to encode an operand. Fixes PR10851. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139591 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-13 07:37:44 +00:00
Joerg Sonnenberger
4a8ac8de1d Add support for the VIA PadLock instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128826 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-04 16:58:13 +00:00
Sean Callanan
a21e2eae3d X86 table-generator and disassembler support for the AVX 
instruction set.  This code adds support for the VEX prefix
and for the YMM registers accessible on AVX-enabled
architectures.  Instruction table support that enables AVX
instructions for the disassembler is in an upcoming patch.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127644 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-15 01:23:15 +00:00
Benjamin Kramer
9e9bb0871d Silence enum conversion warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126578 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-27 18:13:53 +00:00
Sean Callanan
1e1901a294 Fixed a bug in the disassembler where the mandatory 0x66 
prefix would be misinterpreted in some cases on 32-bit
x86 platforms.  Thanks to Olivier Meurant for identifying
the bug.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124709 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-02 01:09:02 +00:00
Ted Kremenek
584520e8e2 Null initialize a few variables flagged by 
clang's -Wuninitialized-experimental warning.
While these don't look like real bugs, clang's
-Wuninitialized-experimental analysis is stricter
than GCC's, and these fixes have the benefit
of being general nice cleanups.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124073 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-23 17:05:06 +00:00
Rafael Espindola
2f867a63da Correctly disassemble truncated asm. 
Patch by Richard Simth.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122962 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-06 16:48:42 +00:00
Benjamin Kramer
4d1dca92bd Make the disassembler tables const so they end up in read-only memory. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117206 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-23 09:10:44 +00:00
Chandler Carruth
5117709a1d Remove a define which is never referenced. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117202 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-23 08:25:16 +00:00
Sean Callanan
751752e7ca Fixed handling of immediate operand sizes, which 
weren't properly reflecting the OperandSize attribute
of the instruction leading to improper decoding of
certain instructions with the 66H prefix.  Also added
a test case for this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117084 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-22 01:24:11 +00:00
Sean Callanan
1a8b789a4b Eliminated the classification of control registers into %ecr_ 
and %rcr_, leaving just %cr_ which is what people expect.
Updated the disassembler to support this unified register set.
Added a testcase to verify that the registers continue to be
decoded correctly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103196 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-06 20:59:00 +00:00
Chris Lattner
aef1fea3d3 add a missing break back, patch by Nico Schmidt! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101538 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 21:15:15 +00:00
Sean Callanan
5edca81626 Fixed a bug where the disassembler would allow an immediate 
argument that had to be between 0 and 7 to have any value,
firing an assert later in the AsmPrinter.  Now, the
disassembler rejects instructions with out-of-range values
for that immediate.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100694 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-07 21:42:19 +00:00
Sean Callanan
a144c3f34d Fixes to the X86 disassembler. The disassembler will now 
return an error status in all failure cases, printing
messages to debugs() only when debugging is enabled.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100229 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-02 21:23:51 +00:00
Benjamin Kramer
7c97ed7d07 Try to fix a valgrind error on 32 bit platforms: use %zu instead of %llu to format a size_t. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98819 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-18 12:18:36 +00:00
Sean Callanan
542eabcba6 Removed the "inline" keyword from the disassembler decoder, 
because the Visual C++ build does not build .c files as C99


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91935 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 22:51:40 +00:00
Sean Callanan
06b766d1c0 Changed REG_* to MODRM_REG_* to avoid conflicts 
with symbols in AuroraUX's global namespace.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91879 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 02:07:42 +00:00
Daniel Dunbar
baf2e35e18 Fix some may-be-uninitialized var warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91878 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 01:41:37 +00:00
Sean Callanan
0122c9051a Fixed library dependencies between the X86 disassembler and 
X86 codegen that were causing circular symbol dependencies.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91871 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 01:11:26 +00:00
Daniel Dunbar
c814346c9d #if 0 out X86 disassembler for now, it is breaking the build in multiple places. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91778 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-19 17:11:53 +00:00
Nuno Lopes
392bbd99b6 rename dprintf to dbgpritnf, in order to fix build with glibc (which already defines dprintf in stdio.h 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91775 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-19 12:07:00 +00:00