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Commit Graph

39 Commits

Author SHA1 Message Date
Craig Topper
5f1e825f93 [X86] Remove the single AdSize indicator and replace it with separate AdSize16/32/64 flags.
This removes a hardcoded list of instructions in the CodeEmitter. Eventually I intend to remove the predicates on the affected instructions since in any given mode two of them are valid if we supported addr32/addr16 prefixes in the assembler.

llvm-svn: 224809
2014-12-24 06:05:22 +00:00
Benjamin Kramer
da144ed5a2 Canonicalize header guards into a common format.
Add header guards to files that were missing guards. Remove #endif comments
as they don't seem common in LLVM (we can easily add them back if we decide
they're useful)

Changes made by clang-tidy with minor tweaks.

llvm-svn: 215558
2014-08-13 16:26:38 +00:00
Adam Nemet
09fcf8939c [X86] AVX512: Add disassembler support for compressed displacement
There are two parts here.  First is to modify tablegen to adjust the encoding
type ENCODING_RM with the scaling factor.

The second is to use the new encoding types to compute the correct
displacement in the decoder.

Fixes <rdar://problem/17608489>

llvm-svn: 213281
2014-07-17 17:04:56 +00:00
Craig Topper
80c9d78b97 [x86] Switch PAUSE instruction to use XS prefix instead of HasREPPrefix. Remove HasREPPrefix support from disassembler table generator since its now only used by CodeGenOnly instructions.
llvm-svn: 201767
2014-02-20 07:59:43 +00:00
Craig Topper
e48bd43a34 Remove unused method declaration.
llvm-svn: 201301
2014-02-13 07:12:40 +00:00
Craig Topper
882df7af18 Remove filtering concept from X86 disassembler table generation. It's no longer necessary.
llvm-svn: 201299
2014-02-13 07:07:16 +00:00
Craig Topper
f39f3fd69a Remove special case filtering for instructions with lock prefix as they are all marked with isCodeGenOnly already.
llvm-svn: 201216
2014-02-12 08:09:20 +00:00
NAKAMURA Takumi
4d643c03f2 TableGen/X86RecognizableInstr.h: Prune out-of-date "@param isSSE". [-Wdocumentation]
llvm-svn: 200628
2014-02-02 10:53:36 +00:00
Craig Topper
e916566881 Merge x86 HasOpSizePrefix/HasOpSize16Prefix into a 2-bit OpSize field with 0 meaning no 0x66 prefix in any mode. Rename Opsize16->OpSize32 and OpSize->OpSize16. The classes now refer to their operand size rather than the mode in which they need a 0x66 prefix. Hopefully can merge REX_W into this as OpSize64.
llvm-svn: 200626
2014-02-02 09:25:09 +00:00
Craig Topper
75deac3bc2 Merge HasVEXPrefix/HasEVEXPrefix/HasXOPPrefix into a 2-bit 'encoding' field in TSFlags.
llvm-svn: 200624
2014-02-02 07:08:01 +00:00
Craig Topper
e33ac72bdf Separate x86 opcode maps and 0x66/0xf2/0xf3 prefixes from each other in the TSFlags. This greatly simplifies the switch statements in the disassembler tables and the code emitters.
llvm-svn: 200522
2014-01-31 08:47:06 +00:00
Craig Topper
0754fb95c1 Move REP out of the Prefix field of the X86 format. Give it its own bit. It had special handling anyway and this enables a future patch.
llvm-svn: 200520
2014-01-31 07:00:55 +00:00
Craig Topper
57fa50f4c8 Simplify x86 disassembler table handling of when to use TYPE_Rv/TYPE_R16/TYPE_R32 now that HasOpSizePrefix only means 16-bit instructions.
llvm-svn: 199295
2014-01-15 05:02:02 +00:00
Craig Topper
d4c2e3f15e The rest of r198588. Remove SegOvrBits from X86 TSFlags since they weren't being used.
llvm-svn: 198589
2014-01-06 06:57:27 +00:00
Craig Topper
4a48c26e38 Add a new x86 specific instruction flag to force some isCodeGenOnly instructions to go through to the disassembler tables without resorting to string matches. Apply flag to all _REV instructions.
llvm-svn: 198543
2014-01-05 04:17:28 +00:00
Craig Topper
c88fd21439 Remove unused HasFROperands field from disassembler.
llvm-svn: 198332
2014-01-02 18:44:21 +00:00
Craig Topper
f98f744453 Remove unused function argument.
llvm-svn: 198291
2014-01-02 03:58:45 +00:00
Elena Demikhovsky
841cd7d09e AVX-512: added VPCONFLICT instruction and intrinsics,
added EVEX_KZ to tablegen

llvm-svn: 193959
2013-11-03 13:46:31 +00:00
Elena Demikhovsky
505373db43 Added encoding prefixes for KNL instructions (EVEX).
Added 512-bit operands printing.
Added instruction formats for KNL instructions.

llvm-svn: 187324
2013-07-28 08:28:38 +00:00
Chandler Carruth
3e8b3f66be Sort the #include lines for utils/...
I've tried to find main moudle headers where possible, but the TableGen
stuff may warrant someone else looking at it.

llvm-svn: 169251
2012-12-04 10:37:14 +00:00
Craig Topper
abbf768c15 Remove code for setting the VEX L-bit as a function of operand size from the code emitters and the disassembler table builder. Fix a couple instructions that were still missing VEX_L.
llvm-svn: 164204
2012-09-19 06:37:45 +00:00
Dmitri Gribenko
aee81e7cae Fix Doxygen issues:
* wrap code blocks in \code ... \endcode;
* refer to parameter names in paragraphs correctly (\arg is not what most
  people want -- it starts a new paragraph).

llvm-svn: 163790
2012-09-13 12:34:29 +00:00
Dmitri Gribenko
98218ea1ef Fix a bunch of -Wdocumentation warnings.
llvm-svn: 162446
2012-08-23 16:54:08 +00:00
Craig Topper
6eef81b65b Update GATHER instructions to support 2 read-write operands. Patch from myself and Manman Ren.
llvm-svn: 160110
2012-07-12 06:52:41 +00:00
Craig Topper
ab46706aa9 X86 disassembler support for jcxz, jecxz, and jrcxz. Fixes PR11643. Patch by Kay Tiong Khoo.
llvm-svn: 151510
2012-02-27 01:54:29 +00:00
Craig Topper
089be4fefa Add FMA4 instructions to disassembler.
llvm-svn: 147367
2011-12-30 05:20:36 +00:00
Craig Topper
2cd868184c Add X86 BZHI instruction as well as BMI2 feature detection.
llvm-svn: 142122
2011-10-16 07:55:05 +00:00
Craig Topper
4c6357d4af Add X86 BEXTR instruction. This instruction uses VEX.vvvv to encode Operand 3 instead of Operand 2 so needs special casing in the disassembler and code emitter. Ultimately, should pass this information from tablegen
llvm-svn: 142105
2011-10-16 03:51:13 +00:00
Craig Topper
9d32602cfd Add support in the disassembler for ignoring the L-bit on certain VEX instructions. Mark instructions that have this behavior. Fixes PR10676.
llvm-svn: 141065
2011-10-04 06:30:42 +00:00
Peter Collingbourne
01246536d9 Move TableGen's parser and entry point into a library
This is the first step towards splitting LLVM and Clang's tblgen executables.

llvm-svn: 140951
2011-10-01 16:41:13 +00:00
Craig Topper
655f8a01e6 Don't allow 32-bit only instructions to be disassembled in 64-bit mode. Fixes part of PR10700.
llvm-svn: 140370
2011-09-23 06:57:25 +00:00
Eli Friedman
f6cac8a620 Make the disassembler able to disassemble a bunch of instructions with names in the TableGen files containing "64" on x86-32. This includes a bunch of x87 instructions, like fld, and a bunch of SSSE3 instructions on MMX registers like pshufb. Part of PR8873.
llvm-svn: 135337
2011-07-16 02:41:28 +00:00
Sean Callanan
5a51ccdc0f 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.

llvm-svn: 127644
2011-03-15 01:23:15 +00:00
Michael J. Spencer
4a63404543 I swear I did a make clean and make before committing all this...
llvm-svn: 120304
2010-11-29 18:47:54 +00:00
Chris Lattner
45b1a1649c factor the operand list (and related fields/operations) out of
CodeGenInstruction into its own helper class.  No functionality change.

llvm-svn: 117893
2010-11-01 04:03:32 +00:00
Bruno Cardoso Lopes
255fda615d Reapply r105521, this time appending "LLU" to 64 bit
immediates to avoid breaking the build.

llvm-svn: 105652
2010-06-08 22:51:23 +00:00
Chris Lattner
33d0622cdc revert r105521, which is breaking the buildbots with stuff like this:
In file included from X86InstrInfo.cpp:16:
X86GenInstrInfo.inc:2789: error: integer constant is too large for 'long' type
X86GenInstrInfo.inc:2790: error: integer constant is too large for 'long' type
X86GenInstrInfo.inc:2792: error: integer constant is too large for 'long' type
X86GenInstrInfo.inc:2793: error: integer constant is too large for 'long' type
X86GenInstrInfo.inc:2808: error: integer constant is too large for 'long' type
X86GenInstrInfo.inc:2809: error: integer constant is too large for 'long' type
X86GenInstrInfo.inc:2816: error: integer constant is too large for 'long' type
X86GenInstrInfo.inc:2817: error: integer constant is too large for 'long' type

llvm-svn: 105524
2010-06-05 04:17:30 +00:00
Bruno Cardoso Lopes
b05131d907 Initial AVX support for some instructions. No patterns matched
yet, only assembly encoding support.

llvm-svn: 105521
2010-06-05 03:53:24 +00:00
Sean Callanan
18fa59f381 Table-driven disassembler for the X86 architecture (16-, 32-, and 64-bit
incarnations), integrated into the MC framework.  

The disassembler is table-driven, using a custom TableGen backend to 
generate hierarchical tables optimized for fast decode.  The disassembler 
consumes MemoryObjects and produces arrays of MCInsts, adhering to the 
abstract base class MCDisassembler (llvm/MC/MCDisassembler.h).

The disassembler is documented in detail in

- lib/Target/X86/Disassembler/X86Disassembler.cpp (disassembler runtime)
- utils/TableGen/DisassemblerEmitter.cpp (table emitter)

You can test the disassembler by running llvm-mc -disassemble for i386
or x86_64 targets.  Please let me know if you encounter any problems
with it.

llvm-svn: 91749
2009-12-19 02:59:52 +00:00